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

1 files changed, 229 insertions, 229 deletions

diff --git a/contrib/tools/python3/src/Include/pymath.h b/contrib/tools/python3/src/Include/pymath.h
index 69dc16b1bd..63ca972784 100644
--- a/contrib/tools/python3/src/Include/pymath.h
+++ b/contrib/tools/python3/src/Include/pymath.h
@@ -1,232 +1,232 @@
-#ifndef Py_PYMATH_H 
-#define Py_PYMATH_H 
- 
-#include "pyconfig.h" /* include for defines */ 
- 
-/************************************************************************** 
-Symbols and macros to supply platform-independent interfaces to mathematical 
-functions and constants 
-**************************************************************************/ 
- 
-/* Python provides implementations for copysign, round and hypot in 
- * Python/pymath.c just in case your math library doesn't provide the 
- * functions. 
- * 
- *Note: PC/pyconfig.h defines copysign as _copysign 
- */ 
-#ifndef HAVE_COPYSIGN 
-extern double copysign(double, double); 
-#endif 
- 
-#ifndef HAVE_ROUND 
-extern double round(double); 
-#endif 
- 
-#ifndef HAVE_HYPOT 
-extern double hypot(double, double); 
-#endif 
- 
-/* extra declarations */ 
-#ifndef _MSC_VER 
-#ifndef __STDC__ 
-extern double fmod (double, double); 
-extern double frexp (double, int *); 
-extern double ldexp (double, int); 
-extern double modf (double, double *); 
-extern double pow(double, double); 
-#endif /* __STDC__ */ 
-#endif /* _MSC_VER */ 
- 
-/* High precision definition of pi and e (Euler) 
- * The values are taken from libc6's math.h. 
- */ 
-#ifndef Py_MATH_PIl 
-#define Py_MATH_PIl 3.1415926535897932384626433832795029L 
-#endif 
-#ifndef Py_MATH_PI 
-#define Py_MATH_PI 3.14159265358979323846 
-#endif 
- 
-#ifndef Py_MATH_El 
-#define Py_MATH_El 2.7182818284590452353602874713526625L 
-#endif 
- 
-#ifndef Py_MATH_E 
-#define Py_MATH_E 2.7182818284590452354 
-#endif 
- 
-/* Tau (2pi) to 40 digits, taken from tauday.com/tau-digits. */ 
-#ifndef Py_MATH_TAU 
-#define Py_MATH_TAU 6.2831853071795864769252867665590057683943L 
-#endif 
- 
- 
-/* On x86, Py_FORCE_DOUBLE forces a floating-point number out of an x87 FPU 
-   register and into a 64-bit memory location, rounding from extended 
-   precision to double precision in the process.  On other platforms it does 
-   nothing. */ 
- 
-/* we take double rounding as evidence of x87 usage */ 
-#ifndef Py_LIMITED_API 
-#ifndef Py_FORCE_DOUBLE 
-#  ifdef X87_DOUBLE_ROUNDING 
-PyAPI_FUNC(double) _Py_force_double(double); 
-#    define Py_FORCE_DOUBLE(X) (_Py_force_double(X)) 
-#  else 
-#    define Py_FORCE_DOUBLE(X) (X) 
-#  endif 
-#endif 
-#endif 
- 
-#ifndef Py_LIMITED_API 
-#ifdef HAVE_GCC_ASM_FOR_X87 
-PyAPI_FUNC(unsigned short) _Py_get_387controlword(void); 
-PyAPI_FUNC(void) _Py_set_387controlword(unsigned short); 
-#endif 
-#endif 
- 
-/* Py_IS_NAN(X) 
- * Return 1 if float or double arg is a NaN, else 0. 
- * Caution: 
- *     X is evaluated more than once. 
- *     This may not work on all platforms.  Each platform has *some* 
- *     way to spell this, though -- override in pyconfig.h if you have 
- *     a platform where it doesn't work. 
- * Note: PC/pyconfig.h defines Py_IS_NAN as _isnan 
- */ 
-#ifndef Py_IS_NAN 
-#if defined HAVE_DECL_ISNAN && HAVE_DECL_ISNAN == 1 
-#define Py_IS_NAN(X) isnan(X) 
-#else 
-#define Py_IS_NAN(X) ((X) != (X)) 
-#endif 
-#endif 
- 
-/* Py_IS_INFINITY(X) 
- * Return 1 if float or double arg is an infinity, else 0. 
- * Caution: 
- *    X is evaluated more than once. 
- *    This implementation may set the underflow flag if |X| is very small; 
- *    it really can't be implemented correctly (& easily) before C99. 
- *    Override in pyconfig.h if you have a better spelling on your platform. 
- *  Py_FORCE_DOUBLE is used to avoid getting false negatives from a 
- *    non-infinite value v sitting in an 80-bit x87 register such that 
- *    v becomes infinite when spilled from the register to 64-bit memory. 
- * Note: PC/pyconfig.h defines Py_IS_INFINITY as _isinf 
- */ 
-#ifndef Py_IS_INFINITY 
-#  if defined HAVE_DECL_ISINF && HAVE_DECL_ISINF == 1 
-#    define Py_IS_INFINITY(X) isinf(X) 
-#  else 
-#    define Py_IS_INFINITY(X) ((X) &&                                   \ 
-                               (Py_FORCE_DOUBLE(X)*0.5 == Py_FORCE_DOUBLE(X))) 
-#  endif 
-#endif 
- 
-/* Py_IS_FINITE(X) 
- * Return 1 if float or double arg is neither infinite nor NAN, else 0. 
+#ifndef Py_PYMATH_H
+#define Py_PYMATH_H
+
+#include "pyconfig.h" /* include for defines */
+
+/**************************************************************************
+Symbols and macros to supply platform-independent interfaces to mathematical
+functions and constants
+**************************************************************************/
+
+/* Python provides implementations for copysign, round and hypot in
+ * Python/pymath.c just in case your math library doesn't provide the
+ * functions.
+ *
+ *Note: PC/pyconfig.h defines copysign as _copysign
+ */
+#ifndef HAVE_COPYSIGN
+extern double copysign(double, double);
+#endif
+
+#ifndef HAVE_ROUND
+extern double round(double);
+#endif
+
+#ifndef HAVE_HYPOT
+extern double hypot(double, double);
+#endif
+
+/* extra declarations */
+#ifndef _MSC_VER
+#ifndef __STDC__
+extern double fmod (double, double);
+extern double frexp (double, int *);
+extern double ldexp (double, int);
+extern double modf (double, double *);
+extern double pow(double, double);
+#endif /* __STDC__ */
+#endif /* _MSC_VER */
+
+/* High precision definition of pi and e (Euler)
+ * The values are taken from libc6's math.h.
+ */
+#ifndef Py_MATH_PIl
+#define Py_MATH_PIl 3.1415926535897932384626433832795029L
+#endif
+#ifndef Py_MATH_PI
+#define Py_MATH_PI 3.14159265358979323846
+#endif
+
+#ifndef Py_MATH_El
+#define Py_MATH_El 2.7182818284590452353602874713526625L
+#endif
+
+#ifndef Py_MATH_E
+#define Py_MATH_E 2.7182818284590452354
+#endif
+
+/* Tau (2pi) to 40 digits, taken from tauday.com/tau-digits. */
+#ifndef Py_MATH_TAU
+#define Py_MATH_TAU 6.2831853071795864769252867665590057683943L
+#endif
+
+
+/* On x86, Py_FORCE_DOUBLE forces a floating-point number out of an x87 FPU
+   register and into a 64-bit memory location, rounding from extended
+   precision to double precision in the process.  On other platforms it does
+   nothing. */
+
+/* we take double rounding as evidence of x87 usage */
+#ifndef Py_LIMITED_API
+#ifndef Py_FORCE_DOUBLE
+#  ifdef X87_DOUBLE_ROUNDING
+PyAPI_FUNC(double) _Py_force_double(double);
+#    define Py_FORCE_DOUBLE(X) (_Py_force_double(X))
+#  else
+#    define Py_FORCE_DOUBLE(X) (X)
+#  endif
+#endif
+#endif
+
+#ifndef Py_LIMITED_API
+#ifdef HAVE_GCC_ASM_FOR_X87
+PyAPI_FUNC(unsigned short) _Py_get_387controlword(void);
+PyAPI_FUNC(void) _Py_set_387controlword(unsigned short);
+#endif
+#endif
+
+/* Py_IS_NAN(X)
+ * Return 1 if float or double arg is a NaN, else 0.
+ * Caution:
+ *     X is evaluated more than once.
+ *     This may not work on all platforms.  Each platform has *some*
+ *     way to spell this, though -- override in pyconfig.h if you have
+ *     a platform where it doesn't work.
+ * Note: PC/pyconfig.h defines Py_IS_NAN as _isnan
+ */
+#ifndef Py_IS_NAN
+#if defined HAVE_DECL_ISNAN && HAVE_DECL_ISNAN == 1
+#define Py_IS_NAN(X) isnan(X)
+#else
+#define Py_IS_NAN(X) ((X) != (X))
+#endif
+#endif
+
+/* Py_IS_INFINITY(X)
+ * Return 1 if float or double arg is an infinity, else 0.
+ * Caution:
+ *    X is evaluated more than once.
+ *    This implementation may set the underflow flag if |X| is very small;
+ *    it really can't be implemented correctly (& easily) before C99.
+ *    Override in pyconfig.h if you have a better spelling on your platform.
+ *  Py_FORCE_DOUBLE is used to avoid getting false negatives from a
+ *    non-infinite value v sitting in an 80-bit x87 register such that
+ *    v becomes infinite when spilled from the register to 64-bit memory.
+ * Note: PC/pyconfig.h defines Py_IS_INFINITY as _isinf
+ */
+#ifndef Py_IS_INFINITY
+#  if defined HAVE_DECL_ISINF && HAVE_DECL_ISINF == 1
+#    define Py_IS_INFINITY(X) isinf(X)
+#  else
+#    define Py_IS_INFINITY(X) ((X) &&                                   \
+                               (Py_FORCE_DOUBLE(X)*0.5 == Py_FORCE_DOUBLE(X)))
+#  endif
+#endif
+
+/* Py_IS_FINITE(X)
+ * Return 1 if float or double arg is neither infinite nor NAN, else 0.
  * Some compilers (e.g. VisualStudio) have intrinsics for this, so a special
- * macro for this particular test is useful 
- * Note: PC/pyconfig.h defines Py_IS_FINITE as _finite 
- */ 
-#ifndef Py_IS_FINITE 
-#if defined HAVE_DECL_ISFINITE && HAVE_DECL_ISFINITE == 1 
-#define Py_IS_FINITE(X) isfinite(X) 
-#elif defined HAVE_FINITE 
-#define Py_IS_FINITE(X) finite(X) 
-#else 
-#define Py_IS_FINITE(X) (!Py_IS_INFINITY(X) && !Py_IS_NAN(X)) 
-#endif 
-#endif 
- 
-/* HUGE_VAL is supposed to expand to a positive double infinity.  Python 
- * uses Py_HUGE_VAL instead because some platforms are broken in this 
- * respect.  We used to embed code in pyport.h to try to worm around that, 
- * but different platforms are broken in conflicting ways.  If you're on 
- * a platform where HUGE_VAL is defined incorrectly, fiddle your Python 
- * config to #define Py_HUGE_VAL to something that works on your platform. 
- */ 
-#ifndef Py_HUGE_VAL 
-#define Py_HUGE_VAL HUGE_VAL 
-#endif 
- 
-/* Py_NAN 
- * A value that evaluates to a NaN. On IEEE 754 platforms INF*0 or 
- * INF/INF works. Define Py_NO_NAN in pyconfig.h if your platform 
- * doesn't support NaNs. 
- */ 
-#if !defined(Py_NAN) && !defined(Py_NO_NAN) 
-#if !defined(__INTEL_COMPILER) 
-    #define Py_NAN (Py_HUGE_VAL * 0.) 
-#else /* __INTEL_COMPILER */ 
-    #if defined(ICC_NAN_STRICT) 
-        #pragma float_control(push) 
-        #pragma float_control(precise, on) 
-        #pragma float_control(except,  on) 
-        #if defined(_MSC_VER) 
-            __declspec(noinline) 
-        #else /* Linux */ 
-            __attribute__((noinline)) 
-        #endif /* _MSC_VER */ 
-        static double __icc_nan() 
-        { 
-            return sqrt(-1.0); 
-        } 
-        #pragma float_control (pop) 
-        #define Py_NAN __icc_nan() 
-    #else /* ICC_NAN_RELAXED as default for Intel Compiler */ 
-        static const union { unsigned char buf[8]; double __icc_nan; } __nan_store = {0,0,0,0,0,0,0xf8,0x7f}; 
-        #define Py_NAN (__nan_store.__icc_nan) 
-    #endif /* ICC_NAN_STRICT */ 
-#endif /* __INTEL_COMPILER */ 
-#endif 
- 
-/* Py_OVERFLOWED(X) 
- * Return 1 iff a libm function overflowed.  Set errno to 0 before calling 
- * a libm function, and invoke this macro after, passing the function 
- * result. 
- * Caution: 
- *    This isn't reliable.  C99 no longer requires libm to set errno under 
- *        any exceptional condition, but does require +- HUGE_VAL return 
- *        values on overflow.  A 754 box *probably* maps HUGE_VAL to a 
- *        double infinity, and we're cool if that's so, unless the input 
- *        was an infinity and an infinity is the expected result.  A C89 
- *        system sets errno to ERANGE, so we check for that too.  We're 
- *        out of luck if a C99 754 box doesn't map HUGE_VAL to +Inf, or 
- *        if the returned result is a NaN, or if a C89 box returns HUGE_VAL 
- *        in non-overflow cases. 
- *    X is evaluated more than once. 
- * Some platforms have better way to spell this, so expect some #ifdef'ery. 
- * 
- * OpenBSD uses 'isinf()' because a compiler bug on that platform causes 
- * the longer macro version to be mis-compiled. This isn't optimal, and 
- * should be removed once a newer compiler is available on that platform. 
- * The system that had the failure was running OpenBSD 3.2 on Intel, with 
- * gcc 2.95.3. 
- * 
- * According to Tim's checkin, the FreeBSD systems use isinf() to work 
- * around a FPE bug on that platform. 
- */ 
-#if defined(__FreeBSD__) || defined(__OpenBSD__) 
-#define Py_OVERFLOWED(X) isinf(X) 
-#else 
-#define Py_OVERFLOWED(X) ((X) != 0.0 && (errno == ERANGE ||    \ 
-                                         (X) == Py_HUGE_VAL || \ 
-                                         (X) == -Py_HUGE_VAL)) 
-#endif 
- 
-/* Return whether integral type *type* is signed or not. */ 
-#define _Py_IntegralTypeSigned(type) ((type)(-1) < 0) 
-/* Return the maximum value of integral type *type*. */ 
-#define _Py_IntegralTypeMax(type) ((_Py_IntegralTypeSigned(type)) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) 
-/* Return the minimum value of integral type *type*. */ 
-#define _Py_IntegralTypeMin(type) ((_Py_IntegralTypeSigned(type)) ? -_Py_IntegralTypeMax(type) - 1 : 0) 
-/* Check whether *v* is in the range of integral type *type*. This is most 
- * useful if *v* is floating-point, since demoting a floating-point *v* to an 
- * integral type that cannot represent *v*'s integral part is undefined 
- * behavior. */ 
-#define _Py_InIntegralTypeRange(type, v) (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) 
- 
+ * macro for this particular test is useful
+ * Note: PC/pyconfig.h defines Py_IS_FINITE as _finite
+ */
+#ifndef Py_IS_FINITE
+#if defined HAVE_DECL_ISFINITE && HAVE_DECL_ISFINITE == 1
+#define Py_IS_FINITE(X) isfinite(X)
+#elif defined HAVE_FINITE
+#define Py_IS_FINITE(X) finite(X)
+#else
+#define Py_IS_FINITE(X) (!Py_IS_INFINITY(X) && !Py_IS_NAN(X))
+#endif
+#endif
+
+/* HUGE_VAL is supposed to expand to a positive double infinity.  Python
+ * uses Py_HUGE_VAL instead because some platforms are broken in this
+ * respect.  We used to embed code in pyport.h to try to worm around that,
+ * but different platforms are broken in conflicting ways.  If you're on
+ * a platform where HUGE_VAL is defined incorrectly, fiddle your Python
+ * config to #define Py_HUGE_VAL to something that works on your platform.
+ */
+#ifndef Py_HUGE_VAL
+#define Py_HUGE_VAL HUGE_VAL
+#endif
+
+/* Py_NAN
+ * A value that evaluates to a NaN. On IEEE 754 platforms INF*0 or
+ * INF/INF works. Define Py_NO_NAN in pyconfig.h if your platform
+ * doesn't support NaNs.
+ */
+#if !defined(Py_NAN) && !defined(Py_NO_NAN)
+#if !defined(__INTEL_COMPILER)
+    #define Py_NAN (Py_HUGE_VAL * 0.)
+#else /* __INTEL_COMPILER */
+    #if defined(ICC_NAN_STRICT)
+        #pragma float_control(push)
+        #pragma float_control(precise, on)
+        #pragma float_control(except,  on)
+        #if defined(_MSC_VER)
+            __declspec(noinline)
+        #else /* Linux */
+            __attribute__((noinline))
+        #endif /* _MSC_VER */
+        static double __icc_nan()
+        {
+            return sqrt(-1.0);
+        }
+        #pragma float_control (pop)
+        #define Py_NAN __icc_nan()
+    #else /* ICC_NAN_RELAXED as default for Intel Compiler */
+        static const union { unsigned char buf[8]; double __icc_nan; } __nan_store = {0,0,0,0,0,0,0xf8,0x7f};
+        #define Py_NAN (__nan_store.__icc_nan)
+    #endif /* ICC_NAN_STRICT */
+#endif /* __INTEL_COMPILER */
+#endif
+
+/* Py_OVERFLOWED(X)
+ * Return 1 iff a libm function overflowed.  Set errno to 0 before calling
+ * a libm function, and invoke this macro after, passing the function
+ * result.
+ * Caution:
+ *    This isn't reliable.  C99 no longer requires libm to set errno under
+ *        any exceptional condition, but does require +- HUGE_VAL return
+ *        values on overflow.  A 754 box *probably* maps HUGE_VAL to a
+ *        double infinity, and we're cool if that's so, unless the input
+ *        was an infinity and an infinity is the expected result.  A C89
+ *        system sets errno to ERANGE, so we check for that too.  We're
+ *        out of luck if a C99 754 box doesn't map HUGE_VAL to +Inf, or
+ *        if the returned result is a NaN, or if a C89 box returns HUGE_VAL
+ *        in non-overflow cases.
+ *    X is evaluated more than once.
+ * Some platforms have better way to spell this, so expect some #ifdef'ery.
+ *
+ * OpenBSD uses 'isinf()' because a compiler bug on that platform causes
+ * the longer macro version to be mis-compiled. This isn't optimal, and
+ * should be removed once a newer compiler is available on that platform.
+ * The system that had the failure was running OpenBSD 3.2 on Intel, with
+ * gcc 2.95.3.
+ *
+ * According to Tim's checkin, the FreeBSD systems use isinf() to work
+ * around a FPE bug on that platform.
+ */
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
+#define Py_OVERFLOWED(X) isinf(X)
+#else
+#define Py_OVERFLOWED(X) ((X) != 0.0 && (errno == ERANGE ||    \
+                                         (X) == Py_HUGE_VAL || \
+                                         (X) == -Py_HUGE_VAL))
+#endif
+
+/* Return whether integral type *type* is signed or not. */
+#define _Py_IntegralTypeSigned(type) ((type)(-1) < 0)
+/* Return the maximum value of integral type *type*. */
+#define _Py_IntegralTypeMax(type) ((_Py_IntegralTypeSigned(type)) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0)
+/* Return the minimum value of integral type *type*. */
+#define _Py_IntegralTypeMin(type) ((_Py_IntegralTypeSigned(type)) ? -_Py_IntegralTypeMax(type) - 1 : 0)
+/* Check whether *v* is in the range of integral type *type*. This is most
+ * useful if *v* is floating-point, since demoting a floating-point *v* to an
+ * integral type that cannot represent *v*'s integral part is undefined
+ * behavior. */
+#define _Py_InIntegralTypeRange(type, v) (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type))
+
 /* Return the smallest integer k such that n < 2**k, or 0 if n == 0.
  * Equivalent to floor(log2(x))+1.  Also equivalent to: bitwidth_of_type -
  * count_leading_zero_bits(x)
@@ -235,4 +235,4 @@ PyAPI_FUNC(void) _Py_set_387controlword(unsigned short);
 PyAPI_FUNC(unsigned int) _Py_bit_length(unsigned long d);
 #endif
 
-#endif /* Py_PYMATH_H */ 
+#endif /* Py_PYMATH_H */