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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:15 +0300
commit72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch)
treeda2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/cxxsupp/builtins/divdc3.c
parent778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff)
downloadydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/divdc3.c')
-rw-r--r--contrib/libs/cxxsupp/builtins/divdc3.c120
1 files changed, 60 insertions, 60 deletions
diff --git a/contrib/libs/cxxsupp/builtins/divdc3.c b/contrib/libs/cxxsupp/builtins/divdc3.c
index 3c88390b5e..57f4ce4c3c 100644
--- a/contrib/libs/cxxsupp/builtins/divdc3.c
+++ b/contrib/libs/cxxsupp/builtins/divdc3.c
@@ -1,60 +1,60 @@
-/* ===-- divdc3.c - Implement __divdc3 -------------------------------------===
- *
- * The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- *
- * This file implements __divdc3 for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
-
-#include "int_lib.h"
-#include "int_math.h"
-
-/* Returns: the quotient of (a + ib) / (c + id) */
-
-COMPILER_RT_ABI Dcomplex
-__divdc3(double __a, double __b, double __c, double __d)
-{
- int __ilogbw = 0;
- double __logbw = crt_logb(crt_fmax(crt_fabs(__c), crt_fabs(__d)));
- if (crt_isfinite(__logbw))
- {
- __ilogbw = (int)__logbw;
- __c = crt_scalbn(__c, -__ilogbw);
- __d = crt_scalbn(__d, -__ilogbw);
- }
- double __denom = __c * __c + __d * __d;
- Dcomplex z;
- COMPLEX_REAL(z) = crt_scalbn((__a * __c + __b * __d) / __denom, -__ilogbw);
- COMPLEX_IMAGINARY(z) = crt_scalbn((__b * __c - __a * __d) / __denom, -__ilogbw);
- if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z)))
- {
- if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b)))
- {
- COMPLEX_REAL(z) = crt_copysign(CRT_INFINITY, __c) * __a;
- COMPLEX_IMAGINARY(z) = crt_copysign(CRT_INFINITY, __c) * __b;
- }
- else if ((crt_isinf(__a) || crt_isinf(__b)) &&
- crt_isfinite(__c) && crt_isfinite(__d))
- {
- __a = crt_copysign(crt_isinf(__a) ? 1.0 : 0.0, __a);
- __b = crt_copysign(crt_isinf(__b) ? 1.0 : 0.0, __b);
- COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d);
- COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d);
- }
- else if (crt_isinf(__logbw) && __logbw > 0.0 &&
- crt_isfinite(__a) && crt_isfinite(__b))
- {
- __c = crt_copysign(crt_isinf(__c) ? 1.0 : 0.0, __c);
- __d = crt_copysign(crt_isinf(__d) ? 1.0 : 0.0, __d);
- COMPLEX_REAL(z) = 0.0 * (__a * __c + __b * __d);
- COMPLEX_IMAGINARY(z) = 0.0 * (__b * __c - __a * __d);
- }
- }
- return z;
-}
+/* ===-- divdc3.c - Implement __divdc3 -------------------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __divdc3 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+#include "int_math.h"
+
+/* Returns: the quotient of (a + ib) / (c + id) */
+
+COMPILER_RT_ABI Dcomplex
+__divdc3(double __a, double __b, double __c, double __d)
+{
+ int __ilogbw = 0;
+ double __logbw = crt_logb(crt_fmax(crt_fabs(__c), crt_fabs(__d)));
+ if (crt_isfinite(__logbw))
+ {
+ __ilogbw = (int)__logbw;
+ __c = crt_scalbn(__c, -__ilogbw);
+ __d = crt_scalbn(__d, -__ilogbw);
+ }
+ double __denom = __c * __c + __d * __d;
+ Dcomplex z;
+ COMPLEX_REAL(z) = crt_scalbn((__a * __c + __b * __d) / __denom, -__ilogbw);
+ COMPLEX_IMAGINARY(z) = crt_scalbn((__b * __c - __a * __d) / __denom, -__ilogbw);
+ if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z)))
+ {
+ if ((__denom == 0.0) && (!crt_isnan(__a) || !crt_isnan(__b)))
+ {
+ COMPLEX_REAL(z) = crt_copysign(CRT_INFINITY, __c) * __a;
+ COMPLEX_IMAGINARY(z) = crt_copysign(CRT_INFINITY, __c) * __b;
+ }
+ else if ((crt_isinf(__a) || crt_isinf(__b)) &&
+ crt_isfinite(__c) && crt_isfinite(__d))
+ {
+ __a = crt_copysign(crt_isinf(__a) ? 1.0 : 0.0, __a);
+ __b = crt_copysign(crt_isinf(__b) ? 1.0 : 0.0, __b);
+ COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c + __b * __d);
+ COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__b * __c - __a * __d);
+ }
+ else if (crt_isinf(__logbw) && __logbw > 0.0 &&
+ crt_isfinite(__a) && crt_isfinite(__b))
+ {
+ __c = crt_copysign(crt_isinf(__c) ? 1.0 : 0.0, __c);
+ __d = crt_copysign(crt_isinf(__d) ? 1.0 : 0.0, __d);
+ COMPLEX_REAL(z) = 0.0 * (__a * __c + __b * __d);
+ COMPLEX_IMAGINARY(z) = 0.0 * (__b * __c - __a * __d);
+ }
+ }
+ return z;
+}