--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Include/pymath.h Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,182 @@
+#ifndef Py_PYMATH_H
+#define Py_PYMATH_H
+
+#include "pyconfig.h" /* include for defines */
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+/**************************************************************************
+Symbols and macros to supply platform-independent interfaces to mathematical
+functions and constants
+**************************************************************************/
+
+/* Python provides implementations for copysign, acosh, asinh, atanh,
+ * log1p 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_ACOSH
+extern double acosh(double);
+#endif
+
+#ifndef HAVE_ASINH
+extern double asinh(double);
+#endif
+
+#ifndef HAVE_ATANH
+extern double atanh(double);
+#endif
+
+#ifndef HAVE_LOG1P
+extern double log1p(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 */
+
+#ifdef _OSF_SOURCE
+/* OSF1 5.1 doesn't make these available with XOPEN_SOURCE_EXTENDED defined */
+extern int finite(double);
+extern double copysign(double, double);
+#endif
+
+/* High precision defintion 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
+
+/* 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
+#ifdef HAVE_ISNAN
+#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.
+ * Note: PC/pyconfig.h defines Py_IS_INFINITY as _isinf
+ */
+#ifndef Py_IS_INFINITY
+#ifdef HAVE_ISINF
+#define Py_IS_INFINITY(X) isinf(X)
+#else
+#define Py_IS_INFINITY(X) ((X) && (X)*0.5 == (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 intrisics 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
+#ifdef 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)
+#define Py_NAN (Py_HUGE_VAL * 0.)
+#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
+
+#endif /* Py_PYMATH_H */