/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
* Portions Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
*/
/*
* from: @(#)fdlibm.h 5.1 93/09/24
* $FreeBSD: src/lib/msun/src/math.h,v 1.61 2005/04/16 21:12:47 das Exp $
*/
#ifndef _MATH_H_
#define _MATH_H_
#ifdef __SYMBIAN32__
#ifdef __VC32__
/* warning C4056: overflow in floating-point constant arithmetic
* Caused by negative floating point constants, it seems!
* For example, static double foo = -1.0;
*/
#pragma warning( disable: 4056 )
#endif
#ifdef __ARMCC__
/* Warning: #222-D: floating-point operation result is out of range
* The compiler detects constant math that overflows, we want overflow though!
* Warning: #39-D: division by zero
*/
#pragma diag_suppress 222
#pragma diag_suppress 39
#pragma diag_suppress 2874
#endif
#endif //__SYMBIAN32__
#ifdef __SYMBIAN32__
#include <_ansi.h>
#ifdef __WINSCW__
#ifndef __SOFTFP
#define __SOFTFP
#endif /* __SOFTFP */
#endif//__WINSCW__
#endif //__SYMBIAN32__
#include <sys/cdefs.h>
#include <sys/_types.h>
#include <stdapis/machine/_limits.h>
#ifdef __SYMBIAN32__
#include <libm_aliases.h>
#endif //__SYMBIAN32__
#ifdef __SYMBIAN32__
#include "signgam.h"
// IEC 559 math functionality
#define __STDC_IEC_559__ 1
#endif //__SYMBIAN32__
/*
* ANSI/POSIX
*/
#ifndef __SYMBIAN32__
extern const union __infinity_un {
unsigned char __uc[8];
double __ud;
} __infinity;
extern const union __nan_un {
unsigned char __uc[sizeof(float)];
float __uf;
} __nan;
#endif //__SYMBIAN32__
#if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
#define __MATH_BUILTIN_CONSTANTS
#endif
#if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER)
#define __MATH_BUILTIN_RELOPS
#endif
#ifdef __SYMBIAN32__
#define HUGE_VAL __infinite(1.0)
#else
#ifdef __MATH_BUILTIN_CONSTANTS
#define HUGE_VAL __builtin_huge_val()
#else
#define HUGE_VAL (__infinity.__ud)
#endif
#endif //__SYMBIAN32__
#if __ISO_C_VISIBLE >= 1999
#define FP_ILOGB0 (-__INT_MAX)
#define FP_ILOGBNAN __INT_MAX
#ifdef __MATH_BUILTIN_CONSTANTS
#define HUGE_VALF __builtin_huge_valf()
#define HUGE_VALL __builtin_huge_vall()
#define INFINITY __builtin_inf()
#define NAN __builtin_nan("")
#else
#define HUGE_VALF (float)HUGE_VAL
#define HUGE_VALL (long double)HUGE_VAL
#define INFINITY HUGE_VALF
#ifdef __SYMBIAN32__
#define NAN nanvalf()
#else
#define NAN (__nan.__uf)
#endif //__SYMBIAN32__
#endif /* __MATH_BUILTIN_CONSTANTS */
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
#define math_errhandling MATH_ERREXCEPT
/* XXX We need a <machine/math.h>. */
#if defined(__ia64__) || defined(__sparc64__)
#define FP_FAST_FMA
#endif
#ifdef __ia64__
#define FP_FAST_FMAL
#endif
#define FP_FAST_FMAF
/* Symbolic constants to classify floating point numbers. */
#define FP_INFINITE 0x01
#define FP_NAN 0x02
#define FP_NORMAL 0x04
#define FP_SUBNORMAL 0x08
#define FP_ZERO 0x10
#define fpclassify(x) \
((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \
: (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \
: __fpclassifyl(x))
#define isfinite(x) \
((sizeof (x) == sizeof (float)) ? __isfinitef(x) \
: (sizeof (x) == sizeof (double)) ? __isfinite(x) \
: __isfinitel(x))
#define isinf(x) \
((sizeof (x) == sizeof (float)) ? __isinff(x) \
: (sizeof (x) == sizeof (double)) ? __isinf(x) \
: __isinfl(x))
#define isnan(x) \
((sizeof (x) == sizeof (float)) ? __isnanf(x) \
: (sizeof (x) == sizeof (double)) ? __isnan(x) \
: __isnanl(x))
#define isnormal(x) \
((sizeof (x) == sizeof (float)) ? __isnormalf(x) \
: (sizeof (x) == sizeof (double)) ? __isnormal(x) \
: __isnormall(x))
#ifdef __MATH_BUILTIN_RELOPS
#define isgreater(x, y) __builtin_isgreater((x), (y))
#define isgreaterequal(x, y) __builtin_isgreaterequal((x), (y))
#define isless(x, y) __builtin_isless((x), (y))
#define islessequal(x, y) __builtin_islessequal((x), (y))
#define islessgreater(x, y) __builtin_islessgreater((x), (y))
#define isunordered(x, y) __builtin_isunordered((x), (y))
#else
#define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y))
#define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y))
#define isless(x, y) (!isunordered((x), (y)) && (x) < (y))
#define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y))
#define islessgreater(x, y) (!isunordered((x), (y)) && \
((x) > (y) || (y) > (x)))
#define isunordered(x, y) (isnan(x) || isnan(y))
#endif /* __MATH_BUILTIN_RELOPS */
#define signbit(x) \
((sizeof (x) == sizeof (float)) ? __signbitf(x) \
: (sizeof (x) == sizeof (double)) ? __signbit(x) \
: __signbitl(x))
typedef __double_t double_t;
typedef __float_t float_t;
#endif /* __ISO_C_VISIBLE >= 1999 */
/*
* XOPEN/SVID
*/
#if __BSD_VISIBLE || __XSI_VISIBLE
#define M_E 2.7182818284590452354 /* e */
#define M_LOG2E 1.4426950408889634074 /* log 2e */
#define M_LOG10E 0.43429448190325182765 /* log 10e */
#define M_LN2 0.69314718055994530942 /* log e2 */
#define M_LN10 2.30258509299404568402 /* log e10 */
#define M_PI 3.14159265358979323846 /* pi */
#define M_PI_2 1.57079632679489661923 /* pi/2 */
#define M_PI_4 0.78539816339744830962 /* pi/4 */
#define M_1_PI 0.31830988618379067154 /* 1/pi */
#define M_2_PI 0.63661977236758134308 /* 2/pi */
#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
#define MAXFLOAT ((float)3.40282346638528860e+38)
#ifdef __SYMBIAN32__
#ifndef __WINSCW__
extern int _signgam;
#endif //__WINSCW__
#else
extern int signgam;
#endif //__SYMBIAN32__
#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
#if __BSD_VISIBLE
#if 0
/* Old value from 4.4BSD-Lite math.h; this is probably better. */
#define HUGE HUGE_VAL
#else
#define HUGE MAXFLOAT
#endif
#endif /* __BSD_VISIBLE */
/*
* Most of these functions depend on the rounding mode and have the side
* effect of raising floating-point exceptions, so they are not declared
* as __pure2. In C99, FENV_ACCESS affects the purity of these functions.
*/
__BEGIN_DECLS
/*
* ANSI/POSIX
*/
#ifdef __SYMBIAN32__
IMPORT_C double __infinite(double x) __SOFTFP;
IMPORT_C float __infinitef(float x) __SOFTFP;
IMPORT_C double nanval(void )__SOFTFP;
IMPORT_C float nanvalf(void ) __SOFTFP;
#endif //__SYMBIAN32__
IMPORT_C int __fpclassifyd(double) __SOFTFP __pure2;
IMPORT_C int __fpclassifyf(float) __SOFTFP __pure2;
IMPORT_C int __fpclassifyl(long double) __SOFTFP __pure2;
IMPORT_C int __isfinitef(float) __SOFTFP __pure2;
IMPORT_C int __isfinite(double) __SOFTFP __pure2;
IMPORT_C int __isfinitel(long double) __SOFTFP __pure2;
IMPORT_C int __isinf(double) __SOFTFP __pure2;
IMPORT_C int __isinff(float) __SOFTFP __pure2;
IMPORT_C int __isinfl(long double) __SOFTFP __pure2;
#ifdef __SYMBIAN32__
IMPORT_C int __isnan(double) __SOFTFP __pure2;
IMPORT_C int __isnanf(float) __SOFTFP __pure2;
#endif //__SYMBIAN32__
IMPORT_C int __isnanl(long double) __SOFTFP __pure2;
IMPORT_C int __isnormalf(float) __SOFTFP __pure2;
IMPORT_C int __isnormal(double) __SOFTFP __pure2;
IMPORT_C int __isnormall(long double) __SOFTFP __pure2;
IMPORT_C int __signbit(double) __SOFTFP __pure2;
IMPORT_C int __signbitf(float) __SOFTFP __pure2;
IMPORT_C int __signbitl(long double) __SOFTFP __pure2;
IMPORT_C double acos(double) __SOFTFP;
IMPORT_C double asin(double) __SOFTFP;
IMPORT_C double atan(double) __SOFTFP;
IMPORT_C double atan2(double, double) __SOFTFP;
IMPORT_C double cos(double) __SOFTFP;
IMPORT_C double sin(double) __SOFTFP;
IMPORT_C double tan(double) __SOFTFP;
IMPORT_C double cosh(double) __SOFTFP;
IMPORT_C double sinh(double) __SOFTFP;
IMPORT_C double tanh(double) __SOFTFP;
IMPORT_C double exp(double) __SOFTFP;
IMPORT_C double frexp(double, int *) __SOFTFP; /* fundamentally !__pure2 */
IMPORT_C double ldexp(double, int) __SOFTFP;
IMPORT_C double log(double) __SOFTFP;
IMPORT_C double log10(double) __SOFTFP;
IMPORT_C double modf(double, double *) __SOFTFP; /* fundamentally !__pure2 */
IMPORT_C double pow(double, double) __SOFTFP;
IMPORT_C double sqrt(double) __SOFTFP;
IMPORT_C double ceil(double) __SOFTFP;
IMPORT_C double fabs(double) __SOFTFP __pure2;
IMPORT_C double floor(double) __SOFTFP;
IMPORT_C double fmod(double, double) __SOFTFP;
/*
* These functions are not in C90.
*/
#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE
IMPORT_C double acosh(double) __SOFTFP;
IMPORT_C double asinh(double) __SOFTFP;
IMPORT_C double atanh(double) __SOFTFP;
IMPORT_C double cbrt(double) __SOFTFP;
IMPORT_C double erf(double) __SOFTFP;
IMPORT_C double erfc(double) __SOFTFP;
IMPORT_C double exp2(double) __SOFTFP;
IMPORT_C double expm1(double) __SOFTFP;
IMPORT_C double fma(double, double, double) __SOFTFP;
IMPORT_C double hypot(double, double) __SOFTFP;
IMPORT_C int ilogb(double) __SOFTFP __pure2;
/*
int (isinf)(double) __pure2;
int (isnan)(double) __pure2;
*/
IMPORT_C double lgamma(double) __SOFTFP;
IMPORT_C long long llrint(double) __SOFTFP;
IMPORT_C long long llround(double) __SOFTFP;
IMPORT_C double log1p(double) __SOFTFP;
IMPORT_C double logb(double) __SOFTFP;
IMPORT_C long lrint(double) __SOFTFP;
IMPORT_C long lround(double) __SOFTFP;
IMPORT_C double nextafter(double, double) __SOFTFP;
IMPORT_C double remainder(double, double) __SOFTFP;
IMPORT_C double remquo(double, double, int *) __SOFTFP;
IMPORT_C double rint(double) __SOFTFP;
#endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */
#if __BSD_VISIBLE || __XSI_VISIBLE
IMPORT_C double j0(double) __SOFTFP;
IMPORT_C double j1(double) __SOFTFP;
IMPORT_C double jn(int, double) __SOFTFP;
IMPORT_C double scalb(double, double) __SOFTFP;
IMPORT_C double y0(double) __SOFTFP;
IMPORT_C double y1(double) __SOFTFP;
IMPORT_C double yn(int, double) __SOFTFP;
#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
IMPORT_C double gamma(double) __SOFTFP;
#endif
#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
IMPORT_C double copysign(double, double) __SOFTFP __pure2;
IMPORT_C double fdim(double, double) __SOFTFP;
IMPORT_C double fmax(double, double) __SOFTFP __pure2;
IMPORT_C double fmin(double, double) __SOFTFP __pure2;
IMPORT_C double nearbyint(double) __SOFTFP;
IMPORT_C double round(double) __SOFTFP;
IMPORT_C double scalbln(double, long) __SOFTFP;
IMPORT_C double scalbn(double, int) __SOFTFP;
IMPORT_C double trunc(double) __SOFTFP;
#endif
/*
* BSD math library entry points
*/
#if __BSD_VISIBLE
IMPORT_C double drem(double, double) __SOFTFP;
IMPORT_C int finite(double) __SOFTFP __pure2;
IMPORT_C int isnanf(float) __SOFTFP __pure2;
/*
* Reentrant version of gamma & lgamma; passes signgam back by reference
* as the second argument; user must allocate space for signgam.
*/
IMPORT_C double lgamma_r(double, int *) __SOFTFP;
/*
* IEEE Test Vector
*/
IMPORT_C double significand(double) __SOFTFP;
#endif /* __BSD_VISIBLE */
/* float versions of ANSI/POSIX functions */
#if __ISO_C_VISIBLE >= 1999
IMPORT_C float acosf(float) __SOFTFP;
IMPORT_C float acosf(float) __SOFTFP;
IMPORT_C float asinf(float) __SOFTFP;
IMPORT_C float atanf(float) __SOFTFP;
IMPORT_C float atan2f(float, float) __SOFTFP;
IMPORT_C float cosf(float) __SOFTFP;
IMPORT_C float sinf(float) __SOFTFP;
IMPORT_C float tanf(float) __SOFTFP;
IMPORT_C float coshf(float) __SOFTFP;
IMPORT_C float sinhf(float) __SOFTFP;
IMPORT_C float tanhf(float) __SOFTFP;
IMPORT_C float exp2f(float) __SOFTFP;
IMPORT_C float expf(float) __SOFTFP;
IMPORT_C float expm1f(float) __SOFTFP;
IMPORT_C float frexpf(float, int *) __SOFTFP; /* fundamentally !__pure2 */
IMPORT_C int ilogbf(float) __SOFTFP __pure2;
#ifndef __SYMBIAN32__
float ldexpf(float, int);
#endif //__SYMBIAN32__
IMPORT_C float log10f(float) __SOFTFP;
IMPORT_C float log1pf(float) __SOFTFP;
IMPORT_C float logf(float) __SOFTFP;
IMPORT_C float modff(float, float *) __SOFTFP; /* fundamentally !__pure2 */
IMPORT_C float powf(float, float) __SOFTFP;
IMPORT_C float sqrtf(float) __SOFTFP;
IMPORT_C float ceilf(float) __SOFTFP;
IMPORT_C float fabsf(float) __SOFTFP __pure2;
IMPORT_C float floorf(float) __SOFTFP;
IMPORT_C float fmodf(float, float) __SOFTFP;
IMPORT_C float roundf(float) __SOFTFP;
IMPORT_C float erff(float) __SOFTFP;
IMPORT_C float erfcf(float) __SOFTFP;
IMPORT_C float hypotf(float, float) __SOFTFP;
IMPORT_C float lgammaf(float) __SOFTFP;
IMPORT_C float acoshf(float) __SOFTFP;
IMPORT_C float asinhf(float) __SOFTFP;
IMPORT_C float atanhf(float) __SOFTFP;
IMPORT_C float cbrtf(float) __SOFTFP;
IMPORT_C float logbf(float) __SOFTFP;
IMPORT_C float copysignf(float, float) __SOFTFP __pure2;
IMPORT_C long long llrintf(float) __SOFTFP;
IMPORT_C long long llroundf(float) __SOFTFP;
IMPORT_C long lrintf(float) __SOFTFP;
IMPORT_C long lroundf(float) __SOFTFP;
IMPORT_C float nearbyintf(float) __SOFTFP;
IMPORT_C float nextafterf(float, float) __SOFTFP;
IMPORT_C float remainderf(float, float) __SOFTFP;
IMPORT_C float remquof(float, float, int *) __SOFTFP;
IMPORT_C float rintf(float) __SOFTFP;
IMPORT_C float scalblnf(float, long) __SOFTFP;
IMPORT_C float scalbnf(float, int) __SOFTFP;
IMPORT_C float truncf(float) __SOFTFP;
IMPORT_C float fdimf(float, float) __SOFTFP;
IMPORT_C float fmaf(float, float, float) __SOFTFP;
IMPORT_C float fmaxf(float, float) __SOFTFP __pure2;
IMPORT_C float fminf(float, float) __SOFTFP __pure2;
#endif
/*
* float versions of BSD math library entry points
*/
#if __BSD_VISIBLE
#ifdef __SYMBIAN_COMPILE_UNUSED__
float dremf(float, float);
#endif
IMPORT_C int finitef(float) __SOFTFP __pure2;
IMPORT_C float gammaf(float) __SOFTFP;
IMPORT_C float j0f(float) __SOFTFP;
IMPORT_C float j1f(float) __SOFTFP;
IMPORT_C float jnf(int, float) __SOFTFP;
IMPORT_C float scalbf(float, float) __SOFTFP;
IMPORT_C float y0f(float) __SOFTFP;
IMPORT_C float y1f(float) __SOFTFP;
IMPORT_C float ynf(int, float) __SOFTFP;
/*
* Float versions of reentrant version of gamma & lgamma; passes
* signgam back by reference as the second argument; user must
* allocate space for signgam.
*/
IMPORT_C float lgammaf_r(float, int *) __SOFTFP;
/*
* float version of IEEE Test Vector
*/
IMPORT_C float significandf(float) __SOFTFP;
#endif /* __BSD_VISIBLE */
/*
* long double versions of ISO/POSIX math functions
*/
#if __ISO_C_VISIBLE >= 1999
#if 0
long double acoshl(long double);
long double acosl(long double);
long double asinhl(long double);
long double asinl(long double);
long double atan2l(long double, long double);
long double atanhl(long double);
long double atanl(long double);
long double cbrtl(long double);
#endif
#ifndef __SYMBIAN32__
long double ceill(long double);
#endif //__SYMBIAN32__
IMPORT_C long double copysignl(long double, long double) __SOFTFP __pure2;
#if 0
long double coshl(long double);
long double cosl(long double);
long double erfcl(long double);
long double erfl(long double);
long double exp2l(long double);
long double expl(long double);
long double expm1l(long double);
#endif
IMPORT_C long double fabsl(long double) __SOFTFP __pure2;
IMPORT_C long double fdiml(long double, long double) __SOFTFP;
#ifndef __SYMBIAN32__
long double floorl(long double);
long double fmal(long double, long double, long double);
#endif //__SYMBIAN32__
IMPORT_C long double fmaxl(long double, long double) __SOFTFP __pure2;
#ifndef __SYMBIAN32__
long double fminl(long double, long double) __pure2;
#endif //__SYMBIAN32__
#if 0
long double fmodl(long double, long double);
#endif
#ifndef __SYMBIAN32__
long double frexpl(long double value, int *); /* fundamentally !__pure2 */
#endif //__SYMBIAN32__
#if 0
long double hypotl(long double, long double);
#endif
IMPORT_C int ilogbl(long double) __SOFTFP __pure2;
#ifndef __SYMBIAN32__
long double ldexpl(long double, int);
#endif //__SYMBIAN32__
#if 0
long double lgammal(long double);
long long llrintl(long double);
#endif
#ifndef __SYMBIAN32__
long long llroundl(long double);
#endif //__SYMBIAN32__
#if 0
long double log10l(long double);
long double log1pl(long double);
long double log2l(long double);
long double logbl(long double);
long double logl(long double);
long lrintl(long double);
#endif
#ifndef __SYMBIAN32__
long lroundl(long double);
#endif //__SYMBIAN32__
#if 0
long double modfl(long double, long double *); /* fundamentally !__pure2 */
long double nanl(const char *) __pure2;
long double nearbyintl(long double);
#endif
#ifndef __SYMBIAN32__
long double nextafterl(long double, long double);
double nexttoward(double, long double);
#endif //__SYMBIAN32__
IMPORT_C float nexttowardf(float, long double) __SOFTFP;
#ifndef __SYMBIAN32__
long double nexttowardl(long double, long double);
#endif //__SYMBIAN32__
#if 0
long double powl(long double, long double);
long double remainderl(long double, long double);
long double remquol(long double, long double, int *);
long double rintl(long double);
#endif
#ifndef __SYMBIAN32__
long double roundl(long double);
#endif //__SYMBIAN32__
IMPORT_C long double scalblnl(long double, long) __SOFTFP;
#ifndef __SYMBIAN32__
long double scalbnl(long double, int);
#endif //__SYMBIAN32__
#if 0
long double sinhl(long double);
long double sinl(long double);
long double sqrtl(long double);
long double tanhl(long double);
long double tanl(long double);
#endif
IMPORT_C long double truncl(long double) __SOFTFP;
#endif /* __ISO_C_VISIBLE >= 1999 */
__END_DECLS
#endif /* !_MATH_H_ */