Restoring authorship annotation for <shadchin@yandex-team.ru>. Commit 2 of 2.

31 files changed, 835 insertions, 835 deletions

diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c
index ce8a84586c..85c608fadf 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,11 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
+
+#include <assert.h>
 #include <stdio.h>
- 
-#include "basearith.h" 
+
+#include "basearith.h"
 #include "constants.h"
 #include "typearith.h"
 
@@ -337,7 +337,7 @@ _mpd_basedivmod(mpd_uint_t *q, mpd_uint_t *r,
 
     /* D2: loop */
     for (j=m; j != MPD_SIZE_MAX; j--) {
-        assert(2 <= j+n && j+n <= nplusm); /* annotation for scan-build */ 
+        assert(2 <= j+n && j+n <= nplusm); /* annotation for scan-build */
 
         /* D3: calculate qhat and rhat */
         rhat = _mpd_shortdiv(w2, u+j+n-1, 2, v[n-1]);
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.h
index 0aac9ba0f9..d35925aadd 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_BASEARITH_H_ 
-#define LIBMPDEC_BASEARITH_H_ 
+#ifndef LIBMPDEC_BASEARITH_H_
+#define LIBMPDEC_BASEARITH_H_
 
 
 #include "mpdecimal.h"
@@ -215,4 +215,4 @@ _mpd_isallnine(const mpd_uint_t *data, mpd_ssize_t len)
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_BASEARITH_H_ */ 
+#endif /* LIBMPDEC_BASEARITH_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/bits.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/bits.h
index 85ad10ad3a..aa9c3e7798 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/bits.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/bits.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_BITS_H_ 
-#define LIBMPDEC_BITS_H_ 
+#ifndef LIBMPDEC_BITS_H_
+#define LIBMPDEC_BITS_H_
 
 
 #include "mpdecimal.h"
@@ -185,4 +185,4 @@ mpd_bsf(mpd_size_t a)
 #endif /* BSR/BSF */
 
 
-#endif /* LIBMPDEC_BITS_H_ */ 
+#endif /* LIBMPDEC_BITS_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c
index c5dcfdb582..4c4de622bc 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.h
index 48fc359a06..7c1db839c2 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,15 +26,15 @@
  */
 
 
-#ifndef LIBMPDEC_CONSTANTS_H_ 
-#define LIBMPDEC_CONSTANTS_H_ 
+#ifndef LIBMPDEC_CONSTANTS_H_
+#define LIBMPDEC_CONSTANTS_H_
 
 
 #include "mpdecimal.h"
 
-#include <stdint.h> 
+#include <stdint.h>
+
 
- 
 /* Internal header file: all symbols have local scope in the DSO */
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
 
@@ -86,4 +86,4 @@ extern const mpd_uint_t UH_P1P2;
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_CONSTANTS_H_ */ 
+#endif /* LIBMPDEC_CONSTANTS_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c
index cc2e965e49..9cbc205095 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,16 +27,16 @@
 
 
 #include "mpdecimal.h"
- 
-#include <signal.h> 
+
+#include <signal.h>
 #include <stdio.h>
 #include <string.h>
 
 
 void
-mpd_dflt_traphandler(mpd_context_t *ctx) 
+mpd_dflt_traphandler(mpd_context_t *ctx)
 {
-    (void)ctx; 
+    (void)ctx;
     raise(SIGFPE);
 }
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c
index 5de2570538..4bc8e8b5fd 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -29,7 +29,7 @@
 #include "mpdecimal.h"
 #include "bits.h"
 #include "constants.h"
-#include "convolute.h" 
+#include "convolute.h"
 #include "fnt.h"
 #include "fourstep.h"
 #include "numbertheory.h"
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.h
index 18716b23ff..62edb3e457 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_CONVOLUTE_H_ 
-#define LIBMPDEC_CONVOLUTE_H_ 
+#ifndef LIBMPDEC_CONVOLUTE_H_
+#define LIBMPDEC_CONVOLUTE_H_
 
 
 #include "mpdecimal.h"
@@ -46,4 +46,4 @@ int fnt_autoconvolute(mpd_uint_t *c1, mpd_size_t n, int modnum);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_CONVOLUTE_H_ */ 
+#endif /* LIBMPDEC_CONVOLUTE_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c
index dd8418671d..613274ee0c 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,14 +27,14 @@
 
 
 #include "mpdecimal.h"
- 
+
 #include <assert.h>
- 
-#include "constants.h" 
-#include "crt.h" 
+
+#include "constants.h"
+#include "crt.h"
 #include "numbertheory.h"
 #include "umodarith.h"
-#include "typearith.h" 
+#include "typearith.h"
 
 
 /* Bignum: Chinese Remainder Theorem, extends the maximum transform length. */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.h
index ae0765ee10..15a347d4cb 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_CRT_H_ 
-#define LIBMPDEC_CRT_H_ 
+#ifndef LIBMPDEC_CRT_H_
+#define LIBMPDEC_CRT_H_
 
 
 #include "mpdecimal.h"
@@ -43,4 +43,4 @@ void crt3(mpd_uint_t *x1, mpd_uint_t *x2, mpd_uint_t *x3, mpd_size_t nmemb);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_CRT_H_ */ 
+#endif /* LIBMPDEC_CRT_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c
index 661783cc15..049ecff65b 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,12 +27,12 @@
 
 
 #include "mpdecimal.h"
- 
+
 #include <assert.h>
- 
+
 #include "bits.h"
-#include "constants.h" 
-#include "difradix2.h" 
+#include "constants.h"
+#include "difradix2.h"
 #include "numbertheory.h"
 #include "umodarith.h"
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.h
index 868878e439..cdcbcf9a71 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_DIFRADIX2_H_ 
-#define LIBMPDEC_DIFRADIX2_H_ 
+#ifndef LIBMPDEC_DIFRADIX2_H_
+#define LIBMPDEC_DIFRADIX2_H_
 
 
 #include "mpdecimal.h"
@@ -44,4 +44,4 @@ void fnt_dif2(mpd_uint_t a[], mpd_size_t n, struct fnt_params *tparams);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_DIFRADIX2_H_ */ 
+#endif /* LIBMPDEC_DIFRADIX2_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c
index 56f39dcfda..0dbe98fc71 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,13 +27,13 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
+
+#include <assert.h>
 #include <stdio.h>
- 
+
 #include "bits.h"
 #include "difradix2.h"
-#include "fnt.h" 
+#include "fnt.h"
 #include "numbertheory.h"
 
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.h
index 92f352d43d..5222c476a3 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_FNT_H_ 
-#define LIBMPDEC_FNT_H_ 
+#ifndef LIBMPDEC_FNT_H_
+#define LIBMPDEC_FNT_H_
 
 
 #include "mpdecimal.h"
@@ -44,4 +44,4 @@ int std_inv_fnt(mpd_uint_t a[], mpd_size_t n, int modnum);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_FNT_H_ */ 
+#endif /* LIBMPDEC_FNT_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c
index c54f39561d..fb173ed5a5 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,11 +27,11 @@
 
 
 #include "mpdecimal.h"
- 
+
 #include <assert.h>
- 
-#include "constants.h" 
-#include "fourstep.h" 
+
+#include "constants.h"
+#include "fourstep.h"
 #include "numbertheory.h"
 #include "sixstep.h"
 #include "umodarith.h"
@@ -189,7 +189,7 @@ four_step_fnt(mpd_uint_t *a, mpd_size_t n, int modnum)
 #if 0
     /* An unordered transform is sufficient for convolution. */
     /* Transpose the matrix. */
-    #include "transpose.h" 
+    #include "transpose.h"
     transpose_3xpow2(a, R, C);
 #endif
 
@@ -220,7 +220,7 @@ inv_four_step_fnt(mpd_uint_t *a, mpd_size_t n, int modnum)
 #if 0
     /* An unordered transform is sufficient for convolution. */
     /* Transpose the matrix, producing an R*C matrix. */
-    #include "transpose.h" 
+    #include "transpose.h"
     transpose_3xpow2(a, C, R);
 #endif
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.h
index 123d59b57b..5ffb6fcc8e 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_FOURSTEP_H_ 
-#define LIBMPDEC_FOURSTEP_H_ 
+#ifndef LIBMPDEC_FOURSTEP_H_
+#define LIBMPDEC_FOURSTEP_H_
 
 
 #include "mpdecimal.h"
@@ -44,4 +44,4 @@ int inv_four_step_fnt(mpd_uint_t *a, mpd_size_t n, int modnum);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_FOURSTEP_H_ */ 
+#endif /* LIBMPDEC_FOURSTEP_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c
index c873fd1670..03f2acfc1a 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,16 +27,16 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
-#include <ctype.h> 
-#include <errno.h> 
-#include <limits.h> 
-#include <locale.h> 
+
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
- 
+
 #include "typearith.h"
 #include "mpd_io.h"
 
@@ -277,7 +277,7 @@ mpd_qset_string(mpd_t *dec, const char *s, const mpd_context_t *ctx,
             }
         }
 
-        digits = end - coeff; 
+        digits = end - coeff;
         if (dpoint) {
             size_t fracdigits = end-dpoint-1;
             if (dpoint > coeff) digits--;
@@ -326,22 +326,22 @@ conversion_error:
     mpd_seterror(dec, MPD_Conversion_syntax, status);
 }
 
-/* convert a character string to a decimal, use a maxcontext for conversion */ 
-void 
-mpd_qset_string_exact(mpd_t *dec, const char *s, uint32_t *status) 
-{ 
-    mpd_context_t maxcontext; 
- 
-    mpd_maxcontext(&maxcontext); 
-    mpd_qset_string(dec, s, &maxcontext, status); 
- 
-    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) { 
-        /* we want exact results */ 
-        mpd_seterror(dec, MPD_Invalid_operation, status); 
-    } 
-    *status &= MPD_Errors; 
-} 
- 
+/* convert a character string to a decimal, use a maxcontext for conversion */
+void
+mpd_qset_string_exact(mpd_t *dec, const char *s, uint32_t *status)
+{
+    mpd_context_t maxcontext;
+
+    mpd_maxcontext(&maxcontext);
+    mpd_qset_string(dec, s, &maxcontext, status);
+
+    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) {
+        /* we want exact results */
+        mpd_seterror(dec, MPD_Invalid_operation, status);
+    }
+    *status &= MPD_Errors;
+}
+
 /* Print word x with n decimal digits to string s. dot is either NULL
    or the location of a decimal point. */
 #define EXTRACT_DIGIT(s, x, d, dot) \
@@ -555,8 +555,8 @@ _mpd_to_string(char **result, const mpd_t *dec, int flags, mpd_ssize_t dplace)
                 dplace = -1 + mod_mpd_ssize_t(dec->exp+2, 3);
             }
             else { /* ldigits-1 is the adjusted exponent, which
-                    * should be divisible by three. If not, move 
-                    * dplace one or two places to the right. */ 
+                    * should be divisible by three. If not, move
+                    * dplace one or two places to the right. */
                 dplace += mod_mpd_ssize_t(ldigits-1, 3);
             }
         }
@@ -1263,7 +1263,7 @@ mpd_qformat_spec(const mpd_t *dec, const mpd_spec_t *spec,
     }
 
     if (isupper((uchar)type)) {
-        type = (char)tolower((uchar)type); 
+        type = (char)tolower((uchar)type);
         flags |= MPD_FMT_UPPER;
     }
     if (spec->sign == ' ') {
@@ -1281,7 +1281,7 @@ mpd_qformat_spec(const mpd_t *dec, const mpd_spec_t *spec,
             stackspec.align = '>';
             spec = &stackspec;
         }
-        assert(strlen(spec->fill) == 1); /* annotation for scan-build */ 
+        assert(strlen(spec->fill) == 1); /* annotation for scan-build */
         if (type == '%') {
             flags |= MPD_FMT_PERCENT;
         }
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c
index 04a42e7058..eb5ee7a807 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c
@@ -1,356 +1,356 @@
-/* 
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- */ 
- 
- 
-#include "mpdecimal.h" 
- 
-#include <assert.h> 
-#include <stdio.h> 
-#include <stdlib.h> 
-#include <string.h> 
- 
-#include "mpalloc.h" 
-#include "typearith.h" 
- 
- 
-#if defined(_MSC_VER) 
-  #pragma warning(disable : 4232) 
-#endif 
- 
- 
-/* Guaranteed minimum allocation for a coefficient. May be changed once 
-   at program start using mpd_setminalloc(). */ 
-mpd_ssize_t MPD_MINALLOC = MPD_MINALLOC_MIN; 
- 
-/* Custom allocation and free functions */ 
-void *(* mpd_mallocfunc)(size_t size) = malloc; 
-void *(* mpd_reallocfunc)(void *ptr, size_t size) = realloc; 
-void *(* mpd_callocfunc)(size_t nmemb, size_t size) = calloc; 
-void (* mpd_free)(void *ptr) = free; 
- 
- 
-/* emulate calloc if it is not available */ 
-void * 
-mpd_callocfunc_em(size_t nmemb, size_t size) 
-{ 
-    void *ptr; 
-    size_t req; 
-    mpd_size_t overflow; 
- 
-#if MPD_SIZE_MAX < SIZE_MAX 
-    /* full_coverage test only */ 
-    if (nmemb > MPD_SIZE_MAX || size > MPD_SIZE_MAX) { 
-        return NULL; 
-    } 
-#endif 
- 
-    req = mul_size_t_overflow((mpd_size_t)nmemb, (mpd_size_t)size, 
-                              &overflow); 
-    if (overflow) { 
-        return NULL; 
-    } 
- 
-    ptr = mpd_mallocfunc(req); 
-    if (ptr == NULL) { 
-        return NULL; 
-    } 
-    /* used on uint32_t or uint64_t */ 
-    memset(ptr, 0, req); 
- 
-    return ptr; 
-} 
- 
- 
-/* malloc with overflow checking */ 
-void * 
-mpd_alloc(mpd_size_t nmemb, mpd_size_t size) 
-{ 
-    mpd_size_t req, overflow; 
- 
-    req = mul_size_t_overflow(nmemb, size, &overflow); 
-    if (overflow) { 
-        return NULL; 
-    } 
- 
-    return mpd_mallocfunc(req); 
-} 
- 
-/* calloc with overflow checking */ 
-void * 
-mpd_calloc(mpd_size_t nmemb, mpd_size_t size) 
-{ 
-    mpd_size_t overflow; 
- 
-    (void)mul_size_t_overflow(nmemb, size, &overflow); 
-    if (overflow) { 
-        return NULL; 
-    } 
- 
-    return mpd_callocfunc(nmemb, size); 
-} 
- 
-/* realloc with overflow checking */ 
-void * 
-mpd_realloc(void *ptr, mpd_size_t nmemb, mpd_size_t size, uint8_t *err) 
-{ 
-    void *new; 
-    mpd_size_t req, overflow; 
- 
-    req = mul_size_t_overflow(nmemb, size, &overflow); 
-    if (overflow) { 
-        *err = 1; 
-        return ptr; 
-    } 
- 
-    new = mpd_reallocfunc(ptr, req); 
-    if (new == NULL) { 
-        *err = 1; 
-        return ptr; 
-    } 
- 
-    return new; 
-} 
- 
-/* struct hack malloc with overflow checking */ 
-void * 
-mpd_sh_alloc(mpd_size_t struct_size, mpd_size_t nmemb, mpd_size_t size) 
-{ 
-    mpd_size_t req, overflow; 
- 
-    req = mul_size_t_overflow(nmemb, size, &overflow); 
-    if (overflow) { 
-        return NULL; 
-    } 
- 
-    req = add_size_t_overflow(req, struct_size, &overflow); 
-    if (overflow) { 
-        return NULL; 
-    } 
- 
-    return mpd_mallocfunc(req); 
-} 
- 
- 
-/* Allocate a new decimal with a coefficient of length 'nwords'. In case 
-   of an error the return value is NULL. */ 
-mpd_t * 
-mpd_qnew_size(mpd_ssize_t nwords) 
-{ 
-    mpd_t *result; 
- 
-    nwords = (nwords < MPD_MINALLOC) ? MPD_MINALLOC : nwords; 
- 
-    result = mpd_alloc(1, sizeof *result); 
-    if (result == NULL) { 
-        return NULL; 
-    } 
- 
-    result->data = mpd_alloc(nwords, sizeof *result->data); 
-    if (result->data == NULL) { 
-        mpd_free(result); 
-        return NULL; 
-    } 
- 
-    result->flags = 0; 
-    result->exp = 0; 
-    result->digits = 0; 
-    result->len = 0; 
-    result->alloc = nwords; 
- 
-    return result; 
-} 
- 
-/* Allocate a new decimal with a coefficient of length MPD_MINALLOC. 
-   In case of an error the return value is NULL. */ 
-mpd_t * 
-mpd_qnew(void) 
-{ 
-    return mpd_qnew_size(MPD_MINALLOC); 
-} 
- 
-/* Allocate new decimal. Caller can check for NULL or MPD_Malloc_error. 
-   Raises on error. */ 
-mpd_t * 
-mpd_new(mpd_context_t *ctx) 
-{ 
-    mpd_t *result; 
- 
-    result = mpd_qnew(); 
-    if (result == NULL) { 
-        mpd_addstatus_raise(ctx, MPD_Malloc_error); 
-    } 
-    return result; 
-} 
- 
-/* 
- * Input: 'result' is a static mpd_t with a static coefficient. 
- * Assumption: 'nwords' >= result->alloc. 
- * 
- * Resize the static coefficient to a larger dynamic one and copy the 
- * existing data. If successful, the value of 'result' is unchanged. 
- * Otherwise, set 'result' to NaN and update 'status' with MPD_Malloc_error. 
- */ 
-int 
-mpd_switch_to_dyn(mpd_t *result, mpd_ssize_t nwords, uint32_t *status) 
-{ 
-    mpd_uint_t *p = result->data; 
- 
-    assert(nwords >= result->alloc); 
- 
-    result->data = mpd_alloc(nwords, sizeof *result->data); 
-    if (result->data == NULL) { 
-        result->data = p; 
-        mpd_set_qnan(result); 
-        mpd_set_positive(result); 
-        result->exp = result->digits = result->len = 0; 
-        *status |= MPD_Malloc_error; 
-        return 0; 
-    } 
- 
-    memcpy(result->data, p, result->alloc * (sizeof *result->data)); 
-    result->alloc = nwords; 
-    mpd_set_dynamic_data(result); 
-    return 1; 
-} 
- 
-/* 
- * Input: 'result' is a static mpd_t with a static coefficient. 
- * 
- * Convert the coefficient to a dynamic one that is initialized to zero. If 
- * malloc fails, set 'result' to NaN and update 'status' with MPD_Malloc_error. 
- */ 
-int 
-mpd_switch_to_dyn_zero(mpd_t *result, mpd_ssize_t nwords, uint32_t *status) 
-{ 
-    mpd_uint_t *p = result->data; 
- 
-    result->data = mpd_calloc(nwords, sizeof *result->data); 
-    if (result->data == NULL) { 
-        result->data = p; 
-        mpd_set_qnan(result); 
-        mpd_set_positive(result); 
-        result->exp = result->digits = result->len = 0; 
-        *status |= MPD_Malloc_error; 
-        return 0; 
-    } 
- 
-    result->alloc = nwords; 
-    mpd_set_dynamic_data(result); 
- 
-    return 1; 
-} 
- 
-/* 
- * Input: 'result' is a static or a dynamic mpd_t with a dynamic coefficient. 
- * Resize the coefficient to length 'nwords': 
- *   Case nwords > result->alloc: 
- *     If realloc is successful: 
- *       'result' has a larger coefficient but the same value. Return 1. 
- *     Otherwise: 
- *       Set 'result' to NaN, update status with MPD_Malloc_error and return 0. 
- *   Case nwords < result->alloc: 
- *     If realloc is successful: 
- *       'result' has a smaller coefficient. result->len is undefined. Return 1. 
- *     Otherwise (unlikely): 
- *       'result' is unchanged. Reuse the now oversized coefficient. Return 1. 
- */ 
-int 
-mpd_realloc_dyn(mpd_t *result, mpd_ssize_t nwords, uint32_t *status) 
-{ 
-    uint8_t err = 0; 
- 
-    result->data = mpd_realloc(result->data, nwords, sizeof *result->data, &err); 
-    if (!err) { 
-        result->alloc = nwords; 
-    } 
-    else if (nwords > result->alloc) { 
-        mpd_set_qnan(result); 
-        mpd_set_positive(result); 
-        result->exp = result->digits = result->len = 0; 
-        *status |= MPD_Malloc_error; 
-        return 0; 
-    } 
- 
-    return 1; 
-} 
- 
-/* 
- * Input: 'result' is a static mpd_t with a static coefficient. 
- * Assumption: 'nwords' >= result->alloc. 
- * 
- * Resize the static coefficient to a larger dynamic one and copy the 
- * existing data. 
- * 
- * On failure the value of 'result' is unchanged. 
- */ 
-int 
-mpd_switch_to_dyn_cxx(mpd_t *result, mpd_ssize_t nwords) 
-{ 
-    assert(nwords >= result->alloc); 
- 
-    mpd_uint_t *data = mpd_alloc(nwords, sizeof *result->data); 
-    if (data == NULL) { 
-        return 0; 
-    } 
- 
-    memcpy(data, result->data, result->alloc * (sizeof *result->data)); 
-    result->data = data; 
-    result->alloc = nwords; 
-    mpd_set_dynamic_data(result); 
-    return 1; 
-} 
- 
-/* 
- * Input: 'result' is a static or a dynamic mpd_t with a dynamic coefficient. 
- * Resize the coefficient to length 'nwords': 
- *   Case nwords > result->alloc: 
- *     If realloc is successful: 
- *       'result' has a larger coefficient but the same value. Return 1. 
- *     Otherwise: 
- *       'result' has a the same coefficient. Return 0. 
- *   Case nwords < result->alloc: 
- *     If realloc is successful: 
- *       'result' has a smaller coefficient. result->len is undefined. Return 1. 
- *     Otherwise (unlikely): 
- *       'result' is unchanged. Reuse the now oversized coefficient. Return 1. 
- */ 
-int 
-mpd_realloc_dyn_cxx(mpd_t *result, mpd_ssize_t nwords) 
-{ 
-    uint8_t err = 0; 
- 
-    mpd_uint_t *p = mpd_realloc(result->data, nwords, sizeof *result->data, &err); 
-    if (!err) { 
-        result->data = p; 
-        result->alloc = nwords; 
-    } 
-    else if (nwords > result->alloc) { 
-        return 0; 
-    } 
- 
-    return 1; 
-} 
+/*
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+#include "mpdecimal.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mpalloc.h"
+#include "typearith.h"
+
+
+#if defined(_MSC_VER)
+  #pragma warning(disable : 4232)
+#endif
+
+
+/* Guaranteed minimum allocation for a coefficient. May be changed once
+   at program start using mpd_setminalloc(). */
+mpd_ssize_t MPD_MINALLOC = MPD_MINALLOC_MIN;
+
+/* Custom allocation and free functions */
+void *(* mpd_mallocfunc)(size_t size) = malloc;
+void *(* mpd_reallocfunc)(void *ptr, size_t size) = realloc;
+void *(* mpd_callocfunc)(size_t nmemb, size_t size) = calloc;
+void (* mpd_free)(void *ptr) = free;
+
+
+/* emulate calloc if it is not available */
+void *
+mpd_callocfunc_em(size_t nmemb, size_t size)
+{
+    void *ptr;
+    size_t req;
+    mpd_size_t overflow;
+
+#if MPD_SIZE_MAX < SIZE_MAX
+    /* full_coverage test only */
+    if (nmemb > MPD_SIZE_MAX || size > MPD_SIZE_MAX) {
+        return NULL;
+    }
+#endif
+
+    req = mul_size_t_overflow((mpd_size_t)nmemb, (mpd_size_t)size,
+                              &overflow);
+    if (overflow) {
+        return NULL;
+    }
+
+    ptr = mpd_mallocfunc(req);
+    if (ptr == NULL) {
+        return NULL;
+    }
+    /* used on uint32_t or uint64_t */
+    memset(ptr, 0, req);
+
+    return ptr;
+}
+
+
+/* malloc with overflow checking */
+void *
+mpd_alloc(mpd_size_t nmemb, mpd_size_t size)
+{
+    mpd_size_t req, overflow;
+
+    req = mul_size_t_overflow(nmemb, size, &overflow);
+    if (overflow) {
+        return NULL;
+    }
+
+    return mpd_mallocfunc(req);
+}
+
+/* calloc with overflow checking */
+void *
+mpd_calloc(mpd_size_t nmemb, mpd_size_t size)
+{
+    mpd_size_t overflow;
+
+    (void)mul_size_t_overflow(nmemb, size, &overflow);
+    if (overflow) {
+        return NULL;
+    }
+
+    return mpd_callocfunc(nmemb, size);
+}
+
+/* realloc with overflow checking */
+void *
+mpd_realloc(void *ptr, mpd_size_t nmemb, mpd_size_t size, uint8_t *err)
+{
+    void *new;
+    mpd_size_t req, overflow;
+
+    req = mul_size_t_overflow(nmemb, size, &overflow);
+    if (overflow) {
+        *err = 1;
+        return ptr;
+    }
+
+    new = mpd_reallocfunc(ptr, req);
+    if (new == NULL) {
+        *err = 1;
+        return ptr;
+    }
+
+    return new;
+}
+
+/* struct hack malloc with overflow checking */
+void *
+mpd_sh_alloc(mpd_size_t struct_size, mpd_size_t nmemb, mpd_size_t size)
+{
+    mpd_size_t req, overflow;
+
+    req = mul_size_t_overflow(nmemb, size, &overflow);
+    if (overflow) {
+        return NULL;
+    }
+
+    req = add_size_t_overflow(req, struct_size, &overflow);
+    if (overflow) {
+        return NULL;
+    }
+
+    return mpd_mallocfunc(req);
+}
+
+
+/* Allocate a new decimal with a coefficient of length 'nwords'. In case
+   of an error the return value is NULL. */
+mpd_t *
+mpd_qnew_size(mpd_ssize_t nwords)
+{
+    mpd_t *result;
+
+    nwords = (nwords < MPD_MINALLOC) ? MPD_MINALLOC : nwords;
+
+    result = mpd_alloc(1, sizeof *result);
+    if (result == NULL) {
+        return NULL;
+    }
+
+    result->data = mpd_alloc(nwords, sizeof *result->data);
+    if (result->data == NULL) {
+        mpd_free(result);
+        return NULL;
+    }
+
+    result->flags = 0;
+    result->exp = 0;
+    result->digits = 0;
+    result->len = 0;
+    result->alloc = nwords;
+
+    return result;
+}
+
+/* Allocate a new decimal with a coefficient of length MPD_MINALLOC.
+   In case of an error the return value is NULL. */
+mpd_t *
+mpd_qnew(void)
+{
+    return mpd_qnew_size(MPD_MINALLOC);
+}
+
+/* Allocate new decimal. Caller can check for NULL or MPD_Malloc_error.
+   Raises on error. */
+mpd_t *
+mpd_new(mpd_context_t *ctx)
+{
+    mpd_t *result;
+
+    result = mpd_qnew();
+    if (result == NULL) {
+        mpd_addstatus_raise(ctx, MPD_Malloc_error);
+    }
+    return result;
+}
+
+/*
+ * Input: 'result' is a static mpd_t with a static coefficient.
+ * Assumption: 'nwords' >= result->alloc.
+ *
+ * Resize the static coefficient to a larger dynamic one and copy the
+ * existing data. If successful, the value of 'result' is unchanged.
+ * Otherwise, set 'result' to NaN and update 'status' with MPD_Malloc_error.
+ */
+int
+mpd_switch_to_dyn(mpd_t *result, mpd_ssize_t nwords, uint32_t *status)
+{
+    mpd_uint_t *p = result->data;
+
+    assert(nwords >= result->alloc);
+
+    result->data = mpd_alloc(nwords, sizeof *result->data);
+    if (result->data == NULL) {
+        result->data = p;
+        mpd_set_qnan(result);
+        mpd_set_positive(result);
+        result->exp = result->digits = result->len = 0;
+        *status |= MPD_Malloc_error;
+        return 0;
+    }
+
+    memcpy(result->data, p, result->alloc * (sizeof *result->data));
+    result->alloc = nwords;
+    mpd_set_dynamic_data(result);
+    return 1;
+}
+
+/*
+ * Input: 'result' is a static mpd_t with a static coefficient.
+ *
+ * Convert the coefficient to a dynamic one that is initialized to zero. If
+ * malloc fails, set 'result' to NaN and update 'status' with MPD_Malloc_error.
+ */
+int
+mpd_switch_to_dyn_zero(mpd_t *result, mpd_ssize_t nwords, uint32_t *status)
+{
+    mpd_uint_t *p = result->data;
+
+    result->data = mpd_calloc(nwords, sizeof *result->data);
+    if (result->data == NULL) {
+        result->data = p;
+        mpd_set_qnan(result);
+        mpd_set_positive(result);
+        result->exp = result->digits = result->len = 0;
+        *status |= MPD_Malloc_error;
+        return 0;
+    }
+
+    result->alloc = nwords;
+    mpd_set_dynamic_data(result);
+
+    return 1;
+}
+
+/*
+ * Input: 'result' is a static or a dynamic mpd_t with a dynamic coefficient.
+ * Resize the coefficient to length 'nwords':
+ *   Case nwords > result->alloc:
+ *     If realloc is successful:
+ *       'result' has a larger coefficient but the same value. Return 1.
+ *     Otherwise:
+ *       Set 'result' to NaN, update status with MPD_Malloc_error and return 0.
+ *   Case nwords < result->alloc:
+ *     If realloc is successful:
+ *       'result' has a smaller coefficient. result->len is undefined. Return 1.
+ *     Otherwise (unlikely):
+ *       'result' is unchanged. Reuse the now oversized coefficient. Return 1.
+ */
+int
+mpd_realloc_dyn(mpd_t *result, mpd_ssize_t nwords, uint32_t *status)
+{
+    uint8_t err = 0;
+
+    result->data = mpd_realloc(result->data, nwords, sizeof *result->data, &err);
+    if (!err) {
+        result->alloc = nwords;
+    }
+    else if (nwords > result->alloc) {
+        mpd_set_qnan(result);
+        mpd_set_positive(result);
+        result->exp = result->digits = result->len = 0;
+        *status |= MPD_Malloc_error;
+        return 0;
+    }
+
+    return 1;
+}
+
+/*
+ * Input: 'result' is a static mpd_t with a static coefficient.
+ * Assumption: 'nwords' >= result->alloc.
+ *
+ * Resize the static coefficient to a larger dynamic one and copy the
+ * existing data.
+ *
+ * On failure the value of 'result' is unchanged.
+ */
+int
+mpd_switch_to_dyn_cxx(mpd_t *result, mpd_ssize_t nwords)
+{
+    assert(nwords >= result->alloc);
+
+    mpd_uint_t *data = mpd_alloc(nwords, sizeof *result->data);
+    if (data == NULL) {
+        return 0;
+    }
+
+    memcpy(data, result->data, result->alloc * (sizeof *result->data));
+    result->data = data;
+    result->alloc = nwords;
+    mpd_set_dynamic_data(result);
+    return 1;
+}
+
+/*
+ * Input: 'result' is a static or a dynamic mpd_t with a dynamic coefficient.
+ * Resize the coefficient to length 'nwords':
+ *   Case nwords > result->alloc:
+ *     If realloc is successful:
+ *       'result' has a larger coefficient but the same value. Return 1.
+ *     Otherwise:
+ *       'result' has a the same coefficient. Return 0.
+ *   Case nwords < result->alloc:
+ *     If realloc is successful:
+ *       'result' has a smaller coefficient. result->len is undefined. Return 1.
+ *     Otherwise (unlikely):
+ *       'result' is unchanged. Reuse the now oversized coefficient. Return 1.
+ */
+int
+mpd_realloc_dyn_cxx(mpd_t *result, mpd_ssize_t nwords)
+{
+    uint8_t err = 0;
+
+    mpd_uint_t *p = mpd_realloc(result->data, nwords, sizeof *result->data, &err);
+    if (!err) {
+        result->data = p;
+        result->alloc = nwords;
+    }
+    else if (nwords > result->alloc) {
+        return 0;
+    }
+
+    return 1;
+}
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.h
index f8f3ae2e5c..186808457b 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,15 +26,15 @@
  */
 
 
-#ifndef LIBMPDEC_MPALLOC_H_ 
-#define LIBMPDEC_MPALLOC_H_ 
+#ifndef LIBMPDEC_MPALLOC_H_
+#define LIBMPDEC_MPALLOC_H_
 
 
 #include "mpdecimal.h"
 
-#include <stdint.h> 
+#include <stdint.h>
+
 
- 
 /* Internal header file: all symbols have local scope in the DSO */
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
 
@@ -43,11 +43,11 @@ int mpd_switch_to_dyn(mpd_t *result, mpd_ssize_t size, uint32_t *status);
 int mpd_switch_to_dyn_zero(mpd_t *result, mpd_ssize_t size, uint32_t *status);
 int mpd_realloc_dyn(mpd_t *result, mpd_ssize_t size, uint32_t *status);
 
-int mpd_switch_to_dyn_cxx(mpd_t *result, mpd_ssize_t size); 
-int mpd_realloc_dyn_cxx(mpd_t *result, mpd_ssize_t size); 
+int mpd_switch_to_dyn_cxx(mpd_t *result, mpd_ssize_t size);
+int mpd_realloc_dyn_cxx(mpd_t *result, mpd_ssize_t size);
+
 
- 
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_MPALLOC_H_ */ 
+#endif /* LIBMPDEC_MPALLOC_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpd_io.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpd_io.h
index 2c7a37c3dd..79d7c05ce3 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpd_io.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpd_io.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,20 +26,20 @@
  */
 
 
-#ifndef LIBMPDEC_IO_H_ 
-#define LIBMPDEC_IO_H_ 
+#ifndef LIBMPDEC_IO_H_
+#define LIBMPDEC_IO_H_
 
 
 #include "mpdecimal.h"
 
-#include <stdint.h> 
+#include <stdint.h>
+
 
- 
 #if SIZE_MAX == MPD_SIZE_MAX
   #define mpd_strtossize _mpd_strtossize
 #else
-#include <errno.h> 
- 
+#include <errno.h>
+
 static inline mpd_ssize_t
 mpd_strtossize(const char *s, char **end, int base)
 {
@@ -59,4 +59,4 @@ mpd_strtossize(const char *s, char **end, int base)
 #endif
 
 
-#endif /* LIBMPDEC_IO_H_ */ 
+#endif /* LIBMPDEC_IO_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c
index a73d20bd68..28b639ccb4 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,17 +27,17 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
-#include <limits.h> 
-#include <math.h> 
+
+#include <assert.h>
+#include <limits.h>
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
- 
+
 #include "basearith.h"
 #include "bits.h"
-#include "constants.h" 
+#include "constants.h"
 #include "convolute.h"
 #include "crt.h"
 #include "mpalloc.h"
@@ -64,7 +64,7 @@
 
 #if defined(_MSC_VER)
   #define ALWAYS_INLINE __forceinline
-#elif defined(__IBMC__) || defined(LEGACY_COMPILER) 
+#elif defined(__IBMC__) || defined(LEGACY_COMPILER)
   #define ALWAYS_INLINE
   #undef inline
   #define inline
@@ -244,7 +244,7 @@ mpd_lsd(mpd_uint_t word)
 }
 
 /* Coefficient size needed to store 'digits' */
-mpd_ssize_t 
+mpd_ssize_t
 mpd_digits_to_size(mpd_ssize_t digits)
 {
     mpd_ssize_t q, r;
@@ -263,9 +263,9 @@ mpd_exp_digits(mpd_ssize_t exp)
 
 /* Canonical */
 ALWAYS_INLINE int
-mpd_iscanonical(const mpd_t *dec) 
+mpd_iscanonical(const mpd_t *dec)
 {
-    (void)dec; 
+    (void)dec;
     return 1;
 }
 
@@ -516,28 +516,28 @@ mpd_qresize(mpd_t *result, mpd_ssize_t nwords, uint32_t *status)
     return mpd_realloc_dyn(result, nwords, status);
 }
 
-/* Same as mpd_qresize, but do not set the result no NaN on failure. */ 
-static ALWAYS_INLINE int 
-mpd_qresize_cxx(mpd_t *result, mpd_ssize_t nwords) 
-{ 
-    assert(!mpd_isconst_data(result)); /* illegal operation for a const */ 
-    assert(!mpd_isshared_data(result)); /* illegal operation for a shared */ 
-    assert(MPD_MINALLOC <= result->alloc); 
- 
-    nwords = (nwords <= MPD_MINALLOC) ? MPD_MINALLOC : nwords; 
-    if (nwords == result->alloc) { 
-        return 1; 
-    } 
-    if (mpd_isstatic_data(result)) { 
-        if (nwords > result->alloc) { 
-            return mpd_switch_to_dyn_cxx(result, nwords); 
-        } 
-        return 1; 
-    } 
- 
-    return mpd_realloc_dyn_cxx(result, nwords); 
-} 
- 
+/* Same as mpd_qresize, but do not set the result no NaN on failure. */
+static ALWAYS_INLINE int
+mpd_qresize_cxx(mpd_t *result, mpd_ssize_t nwords)
+{
+    assert(!mpd_isconst_data(result)); /* illegal operation for a const */
+    assert(!mpd_isshared_data(result)); /* illegal operation for a shared */
+    assert(MPD_MINALLOC <= result->alloc);
+
+    nwords = (nwords <= MPD_MINALLOC) ? MPD_MINALLOC : nwords;
+    if (nwords == result->alloc) {
+        return 1;
+    }
+    if (mpd_isstatic_data(result)) {
+        if (nwords > result->alloc) {
+            return mpd_switch_to_dyn_cxx(result, nwords);
+        }
+        return 1;
+    }
+
+    return mpd_realloc_dyn_cxx(result, nwords);
+}
+
 /* Same as mpd_qresize, but the complete coefficient (including the old
  * memory area!) is initialized to zero. */
 ALWAYS_INLINE int
@@ -1218,7 +1218,7 @@ _c32setu64(mpd_t *result, uint64_t u, uint8_t sign, uint32_t *status)
         result->data[i] = w[i];
     }
 
-    mpd_set_flags(result, sign); 
+    mpd_set_flags(result, sign);
     result->exp = 0;
     result->len = len;
     mpd_setdigits(result);
@@ -1270,26 +1270,26 @@ mpd_qset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx,
 #endif
 }
 
-/* quietly set a decimal from an int64_t, use a maxcontext for conversion */ 
-void 
-mpd_qset_i64_exact(mpd_t *result, int64_t a, uint32_t *status) 
-{ 
-    mpd_context_t maxcontext; 
- 
-    mpd_maxcontext(&maxcontext); 
-#ifdef CONFIG_64 
-    mpd_qset_ssize(result, a, &maxcontext, status); 
-#else 
-    _c32_qset_i64(result, a, &maxcontext, status); 
-#endif 
- 
-    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) { 
-        /* we want exact results */ 
-        mpd_seterror(result, MPD_Invalid_operation, status); 
-    } 
-    *status &= MPD_Errors; 
-} 
- 
+/* quietly set a decimal from an int64_t, use a maxcontext for conversion */
+void
+mpd_qset_i64_exact(mpd_t *result, int64_t a, uint32_t *status)
+{
+    mpd_context_t maxcontext;
+
+    mpd_maxcontext(&maxcontext);
+#ifdef CONFIG_64
+    mpd_qset_ssize(result, a, &maxcontext, status);
+#else
+    _c32_qset_i64(result, a, &maxcontext, status);
+#endif
+
+    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) {
+        /* we want exact results */
+        mpd_seterror(result, MPD_Invalid_operation, status);
+    }
+    *status &= MPD_Errors;
+}
+
 /* quietly set a decimal from a uint64_t */
 void
 mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx,
@@ -1301,26 +1301,26 @@ mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx,
     _c32_qset_u64(result, a, ctx, status);
 #endif
 }
- 
-/* quietly set a decimal from a uint64_t, use a maxcontext for conversion */ 
-void 
-mpd_qset_u64_exact(mpd_t *result, uint64_t a, uint32_t *status) 
-{ 
-    mpd_context_t maxcontext; 
- 
-    mpd_maxcontext(&maxcontext); 
-#ifdef CONFIG_64 
-    mpd_qset_uint(result, a, &maxcontext, status); 
-#else 
-    _c32_qset_u64(result, a, &maxcontext, status); 
-#endif 
- 
-    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) { 
-        /* we want exact results */ 
-        mpd_seterror(result, MPD_Invalid_operation, status); 
-    } 
-    *status &= MPD_Errors; 
-} 
+
+/* quietly set a decimal from a uint64_t, use a maxcontext for conversion */
+void
+mpd_qset_u64_exact(mpd_t *result, uint64_t a, uint32_t *status)
+{
+    mpd_context_t maxcontext;
+
+    mpd_maxcontext(&maxcontext);
+#ifdef CONFIG_64
+    mpd_qset_uint(result, a, &maxcontext, status);
+#else
+    _c32_qset_u64(result, a, &maxcontext, status);
+#endif
+
+    if (*status & (MPD_Inexact|MPD_Rounded|MPD_Clamped)) {
+        /* we want exact results */
+        mpd_seterror(result, MPD_Invalid_operation, status);
+    }
+    *status &= MPD_Errors;
+}
 #endif /* !LEGACY_COMPILER */
 
 /*
@@ -1410,13 +1410,13 @@ mpd_qabs_uint(const mpd_t *a, uint32_t *status)
 mpd_ssize_t
 mpd_qget_ssize(const mpd_t *a, uint32_t *status)
 {
-    uint32_t workstatus = 0; 
+    uint32_t workstatus = 0;
     mpd_uint_t u;
     int isneg;
 
-    u = mpd_qabs_uint(a, &workstatus); 
-    if (workstatus&MPD_Invalid_operation) { 
-        *status |= workstatus; 
+    u = mpd_qabs_uint(a, &workstatus);
+    if (workstatus&MPD_Invalid_operation) {
+        *status |= workstatus;
         return MPD_SSIZE_MAX;
     }
 
@@ -1536,11 +1536,11 @@ mpd_qget_i64(const mpd_t *a, uint32_t *status)
 uint32_t
 mpd_qget_u32(const mpd_t *a, uint32_t *status)
 {
-    uint32_t workstatus = 0; 
-    uint64_t x = mpd_qget_uint(a, &workstatus); 
+    uint32_t workstatus = 0;
+    uint64_t x = mpd_qget_uint(a, &workstatus);
 
-    if (workstatus&MPD_Invalid_operation) { 
-        *status |= workstatus; 
+    if (workstatus&MPD_Invalid_operation) {
+        *status |= workstatus;
         return UINT32_MAX;
     }
     if (x > UINT32_MAX) {
@@ -1555,11 +1555,11 @@ mpd_qget_u32(const mpd_t *a, uint32_t *status)
 int32_t
 mpd_qget_i32(const mpd_t *a, uint32_t *status)
 {
-    uint32_t workstatus = 0; 
-    int64_t x = mpd_qget_ssize(a, &workstatus); 
+    uint32_t workstatus = 0;
+    int64_t x = mpd_qget_ssize(a, &workstatus);
 
-    if (workstatus&MPD_Invalid_operation) { 
-        *status |= workstatus; 
+    if (workstatus&MPD_Invalid_operation) {
+        *status |= workstatus;
         return INT32_MAX;
     }
     if (x < INT32_MIN || x > INT32_MAX) {
@@ -1575,20 +1575,20 @@ mpd_qget_i32(const mpd_t *a, uint32_t *status)
 uint64_t
 mpd_qget_u64(const mpd_t *a, uint32_t *status)
 {
-    uint32_t workstatus = 0; 
-    uint64_t x = _c32_qget_u64(1, a, &workstatus); 
-    *status |= workstatus; 
-    return x; 
+    uint32_t workstatus = 0;
+    uint64_t x = _c32_qget_u64(1, a, &workstatus);
+    *status |= workstatus;
+    return x;
 }
 
 /* quietly get an int64_t from a decimal */
 int64_t
 mpd_qget_i64(const mpd_t *a, uint32_t *status)
 {
-    uint32_t workstatus = 0; 
-    int64_t x = _c32_qget_i64(a, &workstatus); 
-    *status |= workstatus; 
-    return x; 
+    uint32_t workstatus = 0;
+    int64_t x = _c32_qget_i64(a, &workstatus);
+    *status |= workstatus;
+    return x;
 }
 #endif
 
@@ -2014,25 +2014,25 @@ mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status)
     return 1;
 }
 
-/* Same as mpd_qcopy, but do not set the result to NaN on failure. */ 
-int 
-mpd_qcopy_cxx(mpd_t *result, const mpd_t *a) 
-{ 
-    if (result == a) return 1; 
- 
-    if (!mpd_qresize_cxx(result, a->len)) { 
-        return 0; 
-    } 
- 
-    mpd_copy_flags(result, a); 
-    result->exp = a->exp; 
-    result->digits = a->digits; 
-    result->len = a->len; 
-    memcpy(result->data, a->data, a->len * (sizeof *result->data)); 
- 
-    return 1; 
-} 
- 
+/* Same as mpd_qcopy, but do not set the result to NaN on failure. */
+int
+mpd_qcopy_cxx(mpd_t *result, const mpd_t *a)
+{
+    if (result == a) return 1;
+
+    if (!mpd_qresize_cxx(result, a->len)) {
+        return 0;
+    }
+
+    mpd_copy_flags(result, a);
+    result->exp = a->exp;
+    result->digits = a->digits;
+    result->len = a->len;
+    memcpy(result->data, a->data, a->len * (sizeof *result->data));
+
+    return 1;
+}
+
 /*
  * Copy to a decimal with a static buffer. The caller has to make sure that
  * the buffer is big enough. Cannot fail.
@@ -3876,72 +3876,72 @@ void
 mpd_qdiv(mpd_t *q, const mpd_t *a, const mpd_t *b,
          const mpd_context_t *ctx, uint32_t *status)
 {
-    MPD_NEW_STATIC(aa,0,0,0,0); 
-    MPD_NEW_STATIC(bb,0,0,0,0); 
-    uint32_t xstatus = 0; 
- 
-    if (q == a) { 
-        if (!mpd_qcopy(&aa, a, status)) { 
-            mpd_seterror(q, MPD_Malloc_error, status); 
-            goto out; 
-        } 
-        a = &aa; 
-    } 
- 
-    if (q == b) { 
-        if (!mpd_qcopy(&bb, b, status)) { 
-            mpd_seterror(q, MPD_Malloc_error, status); 
-            goto out; 
-        } 
-        b = &bb; 
-    } 
- 
-    _mpd_qdiv(SET_IDEAL_EXP, q, a, b, ctx, &xstatus); 
- 
-    if (xstatus & (MPD_Malloc_error|MPD_Division_impossible)) { 
-        /* Inexact quotients (the usual case) fill the entire context precision, 
-         * which can lead to the above errors for very high precisions. Retry 
-         * the operation with a lower precision in case the result is exact. 
-         * 
-         * We need an upper bound for the number of digits of a_coeff / b_coeff 
-         * when the result is exact.  If a_coeff' * 1 / b_coeff' is in lowest 
-         * terms, then maxdigits(a_coeff') + maxdigits(1 / b_coeff') is a suitable 
-         * bound. 
-         * 
-         * 1 / b_coeff' is exact iff b_coeff' exclusively has prime factors 2 or 5. 
-         * The largest amount of digits is generated if b_coeff' is a power of 2 or 
-         * a power of 5 and is less than or equal to log5(b_coeff') <= log2(b_coeff'). 
-         * 
-         * We arrive at a total upper bound: 
-         * 
-         *   maxdigits(a_coeff') + maxdigits(1 / b_coeff') <= 
-         *   log10(a_coeff) + log2(b_coeff) = 
-         *   log10(a_coeff) + log10(b_coeff) / log10(2) <= 
-         *   a->digits + b->digits * 4; 
-         */ 
-        mpd_context_t workctx = *ctx; 
-        uint32_t ystatus = 0; 
- 
-        workctx.prec = a->digits + b->digits * 4; 
-        if (workctx.prec >= ctx->prec) { 
-            *status |= (xstatus&MPD_Errors); 
-            goto out;  /* No point in retrying, keep the original error. */ 
-        } 
- 
-        _mpd_qdiv(SET_IDEAL_EXP, q, a, b, &workctx, &ystatus); 
-        if (ystatus != 0) { 
-            ystatus = *status | ((ystatus|xstatus)&MPD_Errors); 
-            mpd_seterror(q, ystatus, status); 
-        } 
-    } 
-    else { 
-        *status |= xstatus; 
-    } 
- 
- 
-out: 
-    mpd_del(&aa); 
-    mpd_del(&bb); 
+    MPD_NEW_STATIC(aa,0,0,0,0);
+    MPD_NEW_STATIC(bb,0,0,0,0);
+    uint32_t xstatus = 0;
+
+    if (q == a) {
+        if (!mpd_qcopy(&aa, a, status)) {
+            mpd_seterror(q, MPD_Malloc_error, status);
+            goto out;
+        }
+        a = &aa;
+    }
+
+    if (q == b) {
+        if (!mpd_qcopy(&bb, b, status)) {
+            mpd_seterror(q, MPD_Malloc_error, status);
+            goto out;
+        }
+        b = &bb;
+    }
+
+    _mpd_qdiv(SET_IDEAL_EXP, q, a, b, ctx, &xstatus);
+
+    if (xstatus & (MPD_Malloc_error|MPD_Division_impossible)) {
+        /* Inexact quotients (the usual case) fill the entire context precision,
+         * which can lead to the above errors for very high precisions. Retry
+         * the operation with a lower precision in case the result is exact.
+         *
+         * We need an upper bound for the number of digits of a_coeff / b_coeff
+         * when the result is exact.  If a_coeff' * 1 / b_coeff' is in lowest
+         * terms, then maxdigits(a_coeff') + maxdigits(1 / b_coeff') is a suitable
+         * bound.
+         *
+         * 1 / b_coeff' is exact iff b_coeff' exclusively has prime factors 2 or 5.
+         * The largest amount of digits is generated if b_coeff' is a power of 2 or
+         * a power of 5 and is less than or equal to log5(b_coeff') <= log2(b_coeff').
+         *
+         * We arrive at a total upper bound:
+         *
+         *   maxdigits(a_coeff') + maxdigits(1 / b_coeff') <=
+         *   log10(a_coeff) + log2(b_coeff) =
+         *   log10(a_coeff) + log10(b_coeff) / log10(2) <=
+         *   a->digits + b->digits * 4;
+         */
+        mpd_context_t workctx = *ctx;
+        uint32_t ystatus = 0;
+
+        workctx.prec = a->digits + b->digits * 4;
+        if (workctx.prec >= ctx->prec) {
+            *status |= (xstatus&MPD_Errors);
+            goto out;  /* No point in retrying, keep the original error. */
+        }
+
+        _mpd_qdiv(SET_IDEAL_EXP, q, a, b, &workctx, &ystatus);
+        if (ystatus != 0) {
+            ystatus = *status | ((ystatus|xstatus)&MPD_Errors);
+            mpd_seterror(q, ystatus, status);
+        }
+    }
+    else {
+        *status |= xstatus;
+    }
+
+
+out:
+    mpd_del(&aa);
+    mpd_del(&bb);
 }
 
 /* Internal function. */
@@ -4031,7 +4031,7 @@ _mpd_qdivmod(mpd_t *q, mpd_t *r, const mpd_t *a, const mpd_t *b,
     }
 
     if (b->len == 1) {
-        assert(b->data[0] != 0); /* annotation for scan-build */ 
+        assert(b->data[0] != 0); /* annotation for scan-build */
         if (a->len == 1) {
             _mpd_div_word(&q->data[0], &r->data[0], a->data[0], b->data[0]);
         }
@@ -6376,11 +6376,11 @@ _mpd_qpow_int(mpd_t *result, const mpd_t *base, const mpd_t *exp,
     workctx.round = MPD_ROUND_HALF_EVEN;
     workctx.clamp = 0;
     if (mpd_isnegative(exp)) {
-        uint32_t workstatus = 0; 
+        uint32_t workstatus = 0;
         workctx.prec += 1;
-        mpd_qdiv(&tbase, &one, base, &workctx, &workstatus); 
-        *status |= workstatus; 
-        if (workstatus&MPD_Errors) { 
+        mpd_qdiv(&tbase, &one, base, &workctx, &workstatus);
+        *status |= workstatus;
+        if (workstatus&MPD_Errors) {
             mpd_setspecial(result, MPD_POS, MPD_NAN);
             goto finish;
         }
@@ -7115,8 +7115,8 @@ mpd_qrem_near(mpd_t *r, const mpd_t *a, const mpd_t *b,
     mpd_ssize_t expdiff, qdigits;
     int cmp, isodd, allnine;
 
-    assert(r != NULL); /* annotation for scan-build */ 
- 
+    assert(r != NULL); /* annotation for scan-build */
+
     if (mpd_isspecial(a) || mpd_isspecial(b)) {
         if (mpd_qcheck_nans(r, a, b, ctx, status)) {
             return;
@@ -7347,11 +7347,11 @@ void
 mpd_qtrunc(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
            uint32_t *status)
 {
-    if (mpd_isspecial(a)) { 
-        mpd_seterror(result, MPD_Invalid_operation, status); 
-        return; 
-    } 
- 
+    if (mpd_isspecial(a)) {
+        mpd_seterror(result, MPD_Invalid_operation, status);
+        return;
+    }
+
     (void)_mpd_qround_to_integral(TO_INT_TRUNC, result, a, ctx, status);
 }
 
@@ -7360,12 +7360,12 @@ mpd_qfloor(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
            uint32_t *status)
 {
     mpd_context_t workctx = *ctx;
- 
-    if (mpd_isspecial(a)) { 
-        mpd_seterror(result, MPD_Invalid_operation, status); 
-        return; 
-    } 
- 
+
+    if (mpd_isspecial(a)) {
+        mpd_seterror(result, MPD_Invalid_operation, status);
+        return;
+    }
+
     workctx.round = MPD_ROUND_FLOOR;
     (void)_mpd_qround_to_integral(TO_INT_SILENT, result, a,
                                   &workctx, status);
@@ -7376,12 +7376,12 @@ mpd_qceil(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
           uint32_t *status)
 {
     mpd_context_t workctx = *ctx;
- 
-    if (mpd_isspecial(a)) { 
-        mpd_seterror(result, MPD_Invalid_operation, status); 
-        return; 
-    } 
- 
+
+    if (mpd_isspecial(a)) {
+        mpd_seterror(result, MPD_Invalid_operation, status);
+        return;
+    }
+
     workctx.round = MPD_ROUND_CEILING;
     (void)_mpd_qround_to_integral(TO_INT_SILENT, result, a,
                                   &workctx, status);
@@ -7885,9 +7885,9 @@ mpd_qinvroot(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
 /* END LIBMPDEC_ONLY */
 
 /* Algorithm from decimal.py */
-static void 
-_mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, 
-           uint32_t *status) 
+static void
+_mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
+           uint32_t *status)
 {
     mpd_context_t maxcontext;
     MPD_NEW_STATIC(c,0,0,0,0);
@@ -8019,57 +8019,57 @@ malloc_error:
     goto out;
 }
 
-void 
-mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx, 
-          uint32_t *status) 
-{ 
-    MPD_NEW_STATIC(aa,0,0,0,0); 
-    uint32_t xstatus = 0; 
-
-    if (result == a) { 
-        if (!mpd_qcopy(&aa, a, status)) { 
-            mpd_seterror(result, MPD_Malloc_error, status); 
-            goto out; 
-        } 
-        a = &aa; 
-    } 
- 
-    _mpd_qsqrt(result, a, ctx, &xstatus); 
- 
-    if (xstatus & (MPD_Malloc_error|MPD_Division_impossible)) { 
-        /* The above conditions can occur at very high context precisions 
-         * if intermediate values get too large. Retry the operation with 
-         * a lower context precision in case the result is exact. 
-         * 
-         * If the result is exact, an upper bound for the number of digits 
-         * is the number of digits in the input. 
-         * 
-         * NOTE: sqrt(40e9) = 2.0e+5 /\ digits(40e9) = digits(2.0e+5) = 2 
-         */ 
-        uint32_t ystatus = 0; 
-        mpd_context_t workctx = *ctx; 
- 
-        workctx.prec = a->digits; 
-        if (workctx.prec >= ctx->prec) { 
-            *status |= (xstatus|MPD_Errors); 
-            goto out; /* No point in repeating this, keep the original error. */ 
-        } 
- 
-        _mpd_qsqrt(result, a, &workctx, &ystatus); 
-        if (ystatus != 0) { 
-            ystatus = *status | ((xstatus|ystatus)&MPD_Errors); 
-            mpd_seterror(result, ystatus, status); 
-        } 
-    } 
-    else { 
-        *status |= xstatus; 
-    } 
- 
-out: 
-    mpd_del(&aa); 
-} 
- 
- 
+void
+mpd_qsqrt(mpd_t *result, const mpd_t *a, const mpd_context_t *ctx,
+          uint32_t *status)
+{
+    MPD_NEW_STATIC(aa,0,0,0,0);
+    uint32_t xstatus = 0;
+
+    if (result == a) {
+        if (!mpd_qcopy(&aa, a, status)) {
+            mpd_seterror(result, MPD_Malloc_error, status);
+            goto out;
+        }
+        a = &aa;
+    }
+
+    _mpd_qsqrt(result, a, ctx, &xstatus);
+
+    if (xstatus & (MPD_Malloc_error|MPD_Division_impossible)) {
+        /* The above conditions can occur at very high context precisions
+         * if intermediate values get too large. Retry the operation with
+         * a lower context precision in case the result is exact.
+         *
+         * If the result is exact, an upper bound for the number of digits
+         * is the number of digits in the input.
+         *
+         * NOTE: sqrt(40e9) = 2.0e+5 /\ digits(40e9) = digits(2.0e+5) = 2
+         */
+        uint32_t ystatus = 0;
+        mpd_context_t workctx = *ctx;
+
+        workctx.prec = a->digits;
+        if (workctx.prec >= ctx->prec) {
+            *status |= (xstatus|MPD_Errors);
+            goto out; /* No point in repeating this, keep the original error. */
+        }
+
+        _mpd_qsqrt(result, a, &workctx, &ystatus);
+        if (ystatus != 0) {
+            ystatus = *status | ((xstatus|ystatus)&MPD_Errors);
+            mpd_seterror(result, ystatus, status);
+        }
+    }
+    else {
+        *status |= xstatus;
+    }
+
+out:
+    mpd_del(&aa);
+}
+
+
 /******************************************************************************/
 /*                              Base conversions                              */
 /******************************************************************************/
@@ -8080,7 +8080,7 @@ mpd_sizeinbase(const mpd_t *a, uint32_t base)
 {
     double x;
     size_t digits;
-    double upper_bound; 
+    double upper_bound;
 
     assert(mpd_isinteger(a));
     assert(base >= 2);
@@ -8097,14 +8097,14 @@ mpd_sizeinbase(const mpd_t *a, uint32_t base)
     if (digits > 2711437152599294ULL) {
         return SIZE_MAX;
     }
- 
-    upper_bound = (double)((1ULL<<53)-1); 
-#else 
-    upper_bound = (double)(SIZE_MAX-1); 
+
+    upper_bound = (double)((1ULL<<53)-1);
+#else
+    upper_bound = (double)(SIZE_MAX-1);
 #endif
 
     x = (double)digits / log10(base);
-    return (x > upper_bound) ? SIZE_MAX : (size_t)x + 1; 
+    return (x > upper_bound) ? SIZE_MAX : (size_t)x + 1;
 }
 
 /* Space needed to import a base 'base' integer of length 'srclen'. */
@@ -8112,7 +8112,7 @@ static mpd_ssize_t
 _mpd_importsize(size_t srclen, uint32_t base)
 {
     double x;
-    double upper_bound; 
+    double upper_bound;
 
     assert(srclen > 0);
     assert(base >= 2);
@@ -8121,15 +8121,15 @@ _mpd_importsize(size_t srclen, uint32_t base)
     if (srclen > (1ULL<<53)) {
         return MPD_SSIZE_MAX;
     }
- 
-    assert((1ULL<<53) <= MPD_MAXIMPORT); 
-    upper_bound = (double)((1ULL<<53)-1); 
-#else 
-    upper_bound = MPD_MAXIMPORT-1; 
+
+    assert((1ULL<<53) <= MPD_MAXIMPORT);
+    upper_bound = (double)((1ULL<<53)-1);
+#else
+    upper_bound = MPD_MAXIMPORT-1;
 #endif
 
     x = (double)srclen * (log10(base)/MPD_RDIGITS);
-    return (x > upper_bound) ? MPD_SSIZE_MAX : (mpd_ssize_t)x + 1; 
+    return (x > upper_bound) ? MPD_SSIZE_MAX : (mpd_ssize_t)x + 1;
 }
 
 static uint8_t
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.h
index 10adca58de..f66f6e5920 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,42 +26,42 @@
  */
 
 
-#ifndef LIBMPDEC_MPDECIMAL_H_ 
-#define LIBMPDEC_MPDECIMAL_H_ 
+#ifndef LIBMPDEC_MPDECIMAL_H_
+#define LIBMPDEC_MPDECIMAL_H_
 
 
-#ifndef _MSC_VER 
-  #include "pyconfig.h" 
-#endif 
- 
+#ifndef _MSC_VER
+  #include "pyconfig.h"
+#endif
+
 #ifdef __cplusplus
-  #include <cinttypes> 
-  #include <climits> 
-  #include <cstdint> 
-  #include <cstdio> 
-  #include <cstdlib> 
+  #include <cinttypes>
+  #include <climits>
+  #include <cstdint>
+  #include <cstdio>
+  #include <cstdlib>
 extern "C" {
-#else 
-  #include <inttypes.h> 
-  #include <limits.h> 
-  #include <stdint.h> 
-  #include <stdio.h> 
-  #include <stdlib.h> 
+#else
+  #include <inttypes.h>
+  #include <limits.h>
+  #include <stdint.h>
+  #include <stdio.h>
+  #include <stdlib.h>
 #endif
 
 
-#if (defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) && \ 
-    defined(__GNUC__) && __GNUC__ >= 4 && !defined(__INTEL_COMPILER) 
-  #define MPD_PRAGMA(x) _Pragma(x) 
-  #define MPD_HIDE_SYMBOLS_START "GCC visibility push(hidden)" 
-  #define MPD_HIDE_SYMBOLS_END "GCC visibility pop" 
-#else 
-  #define MPD_PRAGMA(x) 
-  #define MPD_HIDE_SYMBOLS_START 
-  #define MPD_HIDE_SYMBOLS_END 
+#if (defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__)) && \
+    defined(__GNUC__) && __GNUC__ >= 4 && !defined(__INTEL_COMPILER)
+  #define MPD_PRAGMA(x) _Pragma(x)
+  #define MPD_HIDE_SYMBOLS_START "GCC visibility push(hidden)"
+  #define MPD_HIDE_SYMBOLS_END "GCC visibility pop"
+#else
+  #define MPD_PRAGMA(x)
+  #define MPD_HIDE_SYMBOLS_START
+  #define MPD_HIDE_SYMBOLS_END
 #endif
 
-#if defined(_MSC_VER) 
+#if defined(_MSC_VER)
   #include "vccompat.h"
   #define EXTINLINE extern inline
 #else
@@ -89,10 +89,10 @@ MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
 /******************************************************************************/
 
 #define MPD_MAJOR_VERSION 2
-#define MPD_MINOR_VERSION 5 
-#define MPD_MICRO_VERSION 0 
+#define MPD_MINOR_VERSION 5
+#define MPD_MICRO_VERSION 0
 
-#define MPD_VERSION "2.5.0" 
+#define MPD_VERSION "2.5.0"
 
 #define MPD_VERSION_HEX ((MPD_MAJOR_VERSION << 24) | \
                          (MPD_MINOR_VERSION << 16) | \
@@ -121,9 +121,9 @@ const char *mpd_version(void);
   #elif defined(__x86_64__)
     #define CONFIG_64
     #define ASM
-  #elif defined(__arm64__) 
-    #define CONFIG_64 
-    #define ANSI 
+  #elif defined(__arm64__)
+    #define CONFIG_64
+    #define ANSI
   #else
     #error "unknown architecture for universal build."
   #endif
@@ -412,7 +412,7 @@ void mpd_print(const mpd_t *dec);
 
 /* assignment from a string */
 void mpd_qset_string(mpd_t *dec, const char *s, const mpd_context_t *ctx, uint32_t *status);
-void mpd_qset_string_exact(mpd_t *dec, const char *s, uint32_t *status); 
+void mpd_qset_string_exact(mpd_t *dec, const char *s, uint32_t *status);
 
 /* set to NaN with error flags */
 void mpd_seterror(mpd_t *result, uint32_t flags, uint32_t *status);
@@ -430,8 +430,8 @@ void mpd_qset_u32(mpd_t *result, uint32_t a, const mpd_context_t *ctx, uint32_t
 #ifndef LEGACY_COMPILER
 void mpd_qset_i64(mpd_t *result, int64_t a, const mpd_context_t *ctx, uint32_t *status);
 void mpd_qset_u64(mpd_t *result, uint64_t a, const mpd_context_t *ctx, uint32_t *status);
-void mpd_qset_i64_exact(mpd_t *result, int64_t a, uint32_t *status); 
-void mpd_qset_u64_exact(mpd_t *result, uint64_t a, uint32_t *status); 
+void mpd_qset_i64_exact(mpd_t *result, int64_t a, uint32_t *status);
+void mpd_qset_u64_exact(mpd_t *result, uint64_t a, uint32_t *status);
 #endif
 
 /* quietly assign a C integer type to an mpd_t with a static coefficient */
@@ -459,8 +459,8 @@ void mpd_qfinalize(mpd_t *result, const mpd_context_t *ctx, uint32_t *status);
 
 const char *mpd_class(const mpd_t *a, const mpd_context_t *ctx);
 
-int mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status); 
-int mpd_qcopy_cxx(mpd_t *result, const mpd_t *a); 
+int mpd_qcopy(mpd_t *result, const mpd_t *a, uint32_t *status);
+int mpd_qcopy_cxx(mpd_t *result, const mpd_t *a);
 mpd_t *mpd_qncopy(const mpd_t *a);
 int mpd_qcopy_abs(mpd_t *result, const mpd_t *a, uint32_t *status);
 int mpd_qcopy_negate(mpd_t *result, const mpd_t *a, uint32_t *status);
@@ -714,7 +714,7 @@ EXTINLINE mpd_uint_t mpd_lsd(mpd_uint_t word);
 EXTINLINE mpd_ssize_t mpd_digits_to_size(mpd_ssize_t digits);
 /* number of digits in the exponent, undefined for MPD_SSIZE_MIN */
 EXTINLINE int mpd_exp_digits(mpd_ssize_t exp);
-EXTINLINE int mpd_iscanonical(const mpd_t *dec); 
+EXTINLINE int mpd_iscanonical(const mpd_t *dec);
 EXTINLINE int mpd_isfinite(const mpd_t *dec);
 EXTINLINE int mpd_isinfinite(const mpd_t *dec);
 EXTINLINE int mpd_isinteger(const mpd_t *dec);
@@ -830,4 +830,4 @@ MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 #endif
 
 
-#endif /* LIBMPDEC_MPDECIMAL_H_ */ 
+#endif /* LIBMPDEC_MPDECIMAL_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c
index b476b8682c..210e0deb37 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,12 +27,12 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
+
+#include <assert.h>
 #include <stdlib.h>
- 
+
 #include "bits.h"
-#include "numbertheory.h" 
+#include "numbertheory.h"
 #include "umodarith.h"
 
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.h
index 20db08b080..47b7753b83 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,11 +26,11 @@
  */
 
 
-#ifndef LIBMPDEC_NUMBERTHEORY_H_ 
-#define LIBMPDEC_NUMBERTHEORY_H_ 
+#ifndef LIBMPDEC_NUMBERTHEORY_H_
+#define LIBMPDEC_NUMBERTHEORY_H_
 
 
-#include "mpdecimal.h" 
+#include "mpdecimal.h"
 #include "constants.h"
 
 
@@ -73,4 +73,4 @@ std_setmodulus(int modnum, mpd_uint_t *umod)
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_NUMBERTHEORY_H_ */ 
+#endif /* LIBMPDEC_NUMBERTHEORY_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c
index 8e643603ac..a4d1dbed78 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,15 +27,15 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
+
+#include <assert.h>
 #include <stdio.h>
- 
+
 #include "bits.h"
-#include "constants.h" 
+#include "constants.h"
 #include "difradix2.h"
 #include "numbertheory.h"
-#include "sixstep.h" 
+#include "sixstep.h"
 #include "transpose.h"
 #include "umodarith.h"
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.h
index 6af6243a14..89b4a33afc 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_SIXSTEP_H_ 
-#define LIBMPDEC_SIXSTEP_H_ 
+#ifndef LIBMPDEC_SIXSTEP_H_
+#define LIBMPDEC_SIXSTEP_H_
 
 
 #include "mpdecimal.h"
@@ -44,4 +44,4 @@ int inv_six_step_fnt(mpd_uint_t *a, mpd_size_t n, int modnum);
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_SIXSTEP_H_ */ 
+#endif /* LIBMPDEC_SIXSTEP_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c b/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c
index 4604335622..56321b5f39 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -27,16 +27,16 @@
 
 
 #include "mpdecimal.h"
- 
-#include <assert.h> 
-#include <limits.h> 
+
+#include <assert.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
- 
+
 #include "bits.h"
 #include "constants.h"
-#include "transpose.h" 
+#include "transpose.h"
 #include "typearith.h"
 
 
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.h
index ec6da2b7c5..e91c18d743 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,8 +26,8 @@
  */
 
 
-#ifndef LIBMPDEC_TRANSPOSE_H_ 
-#define LIBMPDEC_TRANSPOSE_H_ 
+#ifndef LIBMPDEC_TRANSPOSE_H_
+#define LIBMPDEC_TRANSPOSE_H_
 
 
 #include "mpdecimal.h"
@@ -58,4 +58,4 @@ static inline void pointerswap(mpd_uint_t **a, mpd_uint_t **b)
 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
 
 
-#endif /* LIBMPDEC_TRANSPOSE_H_ */ 
+#endif /* LIBMPDEC_TRANSPOSE_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/typearith.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/typearith.h
index 886c527296..47961788d7 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/typearith.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/typearith.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,15 +26,15 @@
  */
 
 
-#ifndef LIBMPDEC_TYPEARITH_H_ 
-#define LIBMPDEC_TYPEARITH_H_ 
+#ifndef LIBMPDEC_TYPEARITH_H_
+#define LIBMPDEC_TYPEARITH_H_
 
 
 #include "mpdecimal.h"
 
-#include <assert.h> 
+#include <assert.h>
+
 
- 
 /*****************************************************************************/
 /*                 Low level native arithmetic on basic types                */
 /*****************************************************************************/
@@ -665,4 +665,4 @@ mulmod_size_t(mpd_size_t a, mpd_size_t b, mpd_size_t m)
 }
 
 
-#endif /* LIBMPDEC_TYPEARITH_H_ */ 
+#endif /* LIBMPDEC_TYPEARITH_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/umodarith.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/umodarith.h
index 62633ae395..d7dbbbe6a7 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/umodarith.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/umodarith.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,12 +26,12 @@
  */
 
 
-#ifndef LIBMPDEC_UMODARITH_H_ 
-#define LIBMPDEC_UMODARITH_H_ 
+#ifndef LIBMPDEC_UMODARITH_H_
+#define LIBMPDEC_UMODARITH_H_
 
 
-#include "mpdecimal.h" 
- 
+#include "mpdecimal.h"
+
 #include "constants.h"
 #include "typearith.h"
 
@@ -645,4 +645,4 @@ ppro_powmod(mpd_uint_t base, mpd_uint_t exp, double *dmod, uint32_t *dinvmod)
 #endif /* CONFIG_32 */
 
 
-#endif /* LIBMPDEC_UMODARITH_H_ */ 
+#endif /* LIBMPDEC_UMODARITH_H_ */
diff --git a/contrib/tools/python3/src/Modules/_decimal/libmpdec/vccompat.h b/contrib/tools/python3/src/Modules/_decimal/libmpdec/vccompat.h
index 8e349a7cf0..e2e1c42cc0 100644
--- a/contrib/tools/python3/src/Modules/_decimal/libmpdec/vccompat.h
+++ b/contrib/tools/python3/src/Modules/_decimal/libmpdec/vccompat.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2020 Stefan Krah. All rights reserved. 
+ * Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -26,16 +26,16 @@
  */
 
 
-#ifndef LIBMPDEC_VCCOMPAT_H_ 
-#define LIBMPDEC_VCCOMPAT_H_ 
+#ifndef LIBMPDEC_VCCOMPAT_H_
+#define LIBMPDEC_VCCOMPAT_H_
 
 
-/* Visual C fixes: no snprintf ... */ 
+/* Visual C fixes: no snprintf ... */
 #ifdef _MSC_VER
-  #ifndef __cplusplus 
-    #undef inline 
-    #define inline __inline 
-  #endif 
+  #ifndef __cplusplus
+    #undef inline
+    #define inline __inline
+  #endif
   #undef random
   #define random rand
   #undef srandom
@@ -53,4 +53,4 @@
 #endif
 
 
-#endif /* LIBMPDEC_VCCOMPAT_H_ */ 
+#endif /* LIBMPDEC_VCCOMPAT_H_ */