test: epoc32/include/stdapis/math.h@837f303aceeb

     2 /*

     3  * ====================================================

     4  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

     5  *

     6  * Developed at SunPro, a Sun Microsystems, Inc. business.

     7  * Permission to use, copy, modify, and distribute this

     8  * software is freely granted, provided that this notice

     9  * is preserved.

    10  * ====================================================

    11  *  Portions Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

    12  */

    14 /*

    15  * from: @(#)fdlibm.h 5.1 93/09/24

    16  * $FreeBSD: src/lib/msun/src/math.h,v 1.61 2005/04/16 21:12:47 das Exp $

    17  */

    19 #ifndef _MATH_H_

    20 #define	_MATH_H_

    23 #ifdef __SYMBIAN32__

    24 #ifdef __VC32__

    25 /* warning C4056: overflow in floating-point constant arithmetic

    26  * Caused by negative floating point constants, it seems!

    27  * For example, static double foo = -1.0;

    28  */

    29 #pragma warning( disable: 4056 )

    30 #endif

    31 #ifdef __ARMCC__

    32 /* Warning:  #222-D: floating-point operation result is out of range

    33  * The compiler detects constant math that overflows, we want overflow though!

    34  * Warning:  #39-D: division by zero

    35 */

    36 #pragma diag_suppress 222

    37 #pragma diag_suppress 39

    38 #pragma diag_suppress 2874

    39 #endif

    40 #endif //__SYMBIAN32__

    42 #ifdef __SYMBIAN32__

    43 #include <_ansi.h>

    44 #endif //__SYMBIAN32__

    46 #include <sys/cdefs.h>

    47 #include <sys/_types.h>

    48 #include <stdapis/machine/_limits.h>

    50 #ifdef  __SYMBIAN32__

    51 #include <libm_aliases.h>

    52 #endif  //__SYMBIAN32__

    53 #ifdef __SYMBIAN32__

    54 #include "signgam.h"

    56 // IEC 559 math functionality

    57 #define __STDC_IEC_559__		1

    58 #endif //__SYMBIAN32__

    60 /*

    61  * ANSI/POSIX

    62  */

    63 #ifndef __SYMBIAN32__

    64 extern const union __infinity_un {

    65 	unsigned char	__uc[8];

    66 	double		__ud;

    67 } __infinity;

    69 extern const union __nan_un {

    70 	unsigned char	__uc[sizeof(float)];

    71 	float		__uf;

    72 } __nan;

    73 #endif //__SYMBIAN32__

    75 #if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)

    76 #define	__MATH_BUILTIN_CONSTANTS

    77 #endif

    79 #if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER)

    80 #define	__MATH_BUILTIN_RELOPS

    81 #endif

    83 #ifdef __SYMBIAN32__

    84 #define	HUGE_VAL	__infinite(1.0)

    85 #else

    86 #ifdef __MATH_BUILTIN_CONSTANTS

    87 #define	HUGE_VAL	__builtin_huge_val()

    88 #else

    89 #define	HUGE_VAL	(__infinity.__ud)

    90 #endif

    91 #endif //__SYMBIAN32__

    93 #if __ISO_C_VISIBLE >= 1999

    94 #define	FP_ILOGB0	(-__INT_MAX)

    95 #define	FP_ILOGBNAN	__INT_MAX

    97 #ifdef __MATH_BUILTIN_CONSTANTS

    98 #define	HUGE_VALF	__builtin_huge_valf()

    99 #define	HUGE_VALL	__builtin_huge_vall()

   100 #define	INFINITY	__builtin_inf()

   101 #define	NAN		__builtin_nan("")

   102 #else

   103 #define	HUGE_VALF	(float)HUGE_VAL

   104 #define	HUGE_VALL	(long double)HUGE_VAL

   105 #define	INFINITY	HUGE_VALF

   106 #ifdef __SYMBIAN32__

   107 #define NAN		nanvalf()

   108 #else

   109 #define	NAN		(__nan.__uf)

   110 #endif //__SYMBIAN32__

   111 #endif /* __MATH_BUILTIN_CONSTANTS */

   113 #define	MATH_ERRNO	1

   114 #define	MATH_ERREXCEPT	2

   115 #define	math_errhandling	MATH_ERREXCEPT

   117 /* XXX We need a <machine/math.h>. */

   118 #if defined(__ia64__) || defined(__sparc64__)

   119 #define	FP_FAST_FMA

   120 #endif

   121 #ifdef __ia64__

   122 #define	FP_FAST_FMAL

   123 #endif

   124 #define	FP_FAST_FMAF

   126 /* Symbolic constants to classify floating point numbers. */

   127 #define	FP_INFINITE	0x01

   128 #define	FP_NAN		0x02

   129 #define	FP_NORMAL	0x04

   130 #define	FP_SUBNORMAL	0x08

   131 #define	FP_ZERO		0x10

   133 #define	fpclassify(x) \

   134     ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \

   135     : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \

   136     : __fpclassifyl(x))

   138 #define	isfinite(x)					\

   139     ((sizeof (x) == sizeof (float)) ? __isfinitef(x)	\

   140     : (sizeof (x) == sizeof (double)) ? __isfinite(x)	\

   141     : __isfinitel(x))

   142 #define	isinf(x)					\

   143     ((sizeof (x) == sizeof (float)) ? __isinff(x)	\

   144     : (sizeof (x) == sizeof (double)) ? __isinf(x)	\

   145     : __isinfl(x))

   146 #define	isnan(x)					\

   147     ((sizeof (x) == sizeof (float)) ? __isnanf(x)		\

   148     : (sizeof (x) == sizeof (double)) ? __isnan(x)	\

   149     : __isnanl(x))

   150 #define	isnormal(x)					\

   151     ((sizeof (x) == sizeof (float)) ? __isnormalf(x)	\

   152     : (sizeof (x) == sizeof (double)) ? __isnormal(x)	\

   153     : __isnormall(x))

   156 #ifdef __MATH_BUILTIN_RELOPS

   157 #define	isgreater(x, y)		__builtin_isgreater((x), (y))

   158 #define	isgreaterequal(x, y)	__builtin_isgreaterequal((x), (y))

   159 #define	isless(x, y)		__builtin_isless((x), (y))

   160 #define	islessequal(x, y)	__builtin_islessequal((x), (y))

   161 #define	islessgreater(x, y)	__builtin_islessgreater((x), (y))

   162 #define	isunordered(x, y)	__builtin_isunordered((x), (y))

   163 #else

   164 #define	isgreater(x, y)		(!isunordered((x), (y)) && (x) > (y))

   165 #define	isgreaterequal(x, y)	(!isunordered((x), (y)) && (x) >= (y))

   166 #define	isless(x, y)		(!isunordered((x), (y)) && (x) < (y))

   167 #define	islessequal(x, y)	(!isunordered((x), (y)) && (x) <= (y))

   168 #define	islessgreater(x, y)	(!isunordered((x), (y)) && \

   169 					((x) > (y) || (y) > (x)))

   170 #define	isunordered(x, y)	(isnan(x) || isnan(y))

   171 #endif /* __MATH_BUILTIN_RELOPS */

   173 #define	signbit(x)					\

   174     ((sizeof (x) == sizeof (float)) ? __signbitf(x)	\

   175     : (sizeof (x) == sizeof (double)) ? __signbit(x)	\

   176     : __signbitl(x))

   178 typedef	__double_t	double_t;

   179 typedef	__float_t	float_t;

   180 #endif /* __ISO_C_VISIBLE >= 1999 */

   182 /*

   183  * XOPEN/SVID

   184  */

   185 #if __BSD_VISIBLE || __XSI_VISIBLE

   186 #define	M_E		2.7182818284590452354	/* e */

   187 #define	M_LOG2E		1.4426950408889634074	/* log 2e */

   188 #define	M_LOG10E	0.43429448190325182765	/* log 10e */

   189 #define	M_LN2		0.69314718055994530942	/* log e2 */

   190 #define	M_LN10		2.30258509299404568402	/* log e10 */

   191 #define	M_PI		3.14159265358979323846	/* pi */

   192 #define	M_PI_2		1.57079632679489661923	/* pi/2 */

   193 #define	M_PI_4		0.78539816339744830962	/* pi/4 */

   194 #define	M_1_PI		0.31830988618379067154	/* 1/pi */

   195 #define	M_2_PI		0.63661977236758134308	/* 2/pi */

   196 #define	M_2_SQRTPI	1.12837916709551257390	/* 2/sqrt(pi) */

   197 #define	M_SQRT2		1.41421356237309504880	/* sqrt(2) */

   198 #define	M_SQRT1_2	0.70710678118654752440	/* 1/sqrt(2) */

   200 #define	MAXFLOAT	((float)3.40282346638528860e+38)

   201 #ifdef __SYMBIAN32__

   202 #ifndef __WINSCW__

   203 extern int _signgam;

   204 #endif //__WINSCW__

   205 #else

   206 extern int signgam;

   207 #endif //__SYMBIAN32__

   208 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   210 #if __BSD_VISIBLE

   211 #if 0

   212 /* Old value from 4.4BSD-Lite math.h; this is probably better. */

   213 #define	HUGE		HUGE_VAL

   214 #else

   215 #define	HUGE		MAXFLOAT

   216 #endif

   217 #endif /* __BSD_VISIBLE */

   219 /*

   220  * Most of these functions depend on the rounding mode and have the side

   221  * effect of raising floating-point exceptions, so they are not declared

   222  * as __pure2.  In C99, FENV_ACCESS affects the purity of these functions.

   223  */

   224 __BEGIN_DECLS

   225 /*

   226  * ANSI/POSIX

   227  */

   228 #ifdef __SYMBIAN32__

   229 IMPORT_C double __infinite(double x);

   230 IMPORT_C float  __infinitef(float x);

   232 IMPORT_C double nanval(void );

   233 IMPORT_C float  nanvalf(void );

   234 #endif //__SYMBIAN32__

   237 IMPORT_C int	__fpclassifyd(double) __pure2;

   238 IMPORT_C int	__fpclassifyf(float) __pure2;

   239 IMPORT_C int	__fpclassifyl(long double) __pure2;

   240 IMPORT_C int	__isfinitef(float) __pure2;

   241 IMPORT_C int	__isfinite(double) __pure2;

   242 IMPORT_C int	__isfinitel(long double) __pure2;

   243 IMPORT_C int	__isinf(double) __pure2;

   244 IMPORT_C int	__isinff(float) __pure2;

   245 IMPORT_C int	__isinfl(long double) __pure2;

   246 #ifdef __SYMBIAN32__

   247 IMPORT_C int	__isnan(double) __pure2;

   248 IMPORT_C int	__isnanf(float) __pure2;

   249 #endif //__SYMBIAN32__

   250 IMPORT_C int	__isnanl(long double) __pure2;

   251 IMPORT_C int	__isnormalf(float) __pure2;

   252 IMPORT_C int	__isnormal(double) __pure2;

   253 IMPORT_C int	__isnormall(long double) __pure2;

   254 IMPORT_C int	__signbit(double) __pure2;

   255 IMPORT_C int	__signbitf(float) __pure2;

   256 IMPORT_C int	__signbitl(long double) __pure2;

   258 IMPORT_C double	acos(double);

   259 IMPORT_C double	asin(double);

   260 IMPORT_C double	atan(double);

   261 IMPORT_C double	atan2(double, double);

   262 IMPORT_C double	cos(double);

   263 IMPORT_C double	sin(double);

   264 IMPORT_C double	tan(double);

   266 IMPORT_C double	cosh(double);

   267 IMPORT_C double	sinh(double);

   268 IMPORT_C double	tanh(double);

   270 IMPORT_C double	exp(double);

   271 IMPORT_C double	frexp(double, int *);	/* fundamentally !__pure2 */

   272 IMPORT_C double	ldexp(double, int);

   273 IMPORT_C double	log(double);

   274 IMPORT_C double	log10(double);

   275 IMPORT_C double	modf(double, double *);	/* fundamentally !__pure2 */

   277 IMPORT_C double	pow(double, double);

   278 IMPORT_C double	sqrt(double);

   280 IMPORT_C double	ceil(double);

   281 IMPORT_C double	fabs(double) __pure2;

   282 IMPORT_C double	floor(double);

   283 IMPORT_C double	fmod(double, double);

   285 /*

   286  * These functions are not in C90.

   287  */

   288 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE

   289 IMPORT_C double	acosh(double);

   290 IMPORT_C double	asinh(double);

   291 IMPORT_C double	atanh(double);

   292 IMPORT_C double	cbrt(double);

   293 IMPORT_C double	erf(double);

   294 IMPORT_C double	erfc(double);

   295 IMPORT_C double	exp2(double);

   296 IMPORT_C double	expm1(double);

   297 IMPORT_C double	fma(double, double, double);

   298 IMPORT_C double	hypot(double, double);

   301 IMPORT_C int	ilogb(double) __pure2;

   302 /*

   303 int	(isinf)(double) __pure2;

   304 int	(isnan)(double) __pure2;

   305 */

   306 IMPORT_C double	lgamma(double);

   307 IMPORT_C long long llrint(double);

   308 IMPORT_C long long llround(double);

   309 IMPORT_C double	log1p(double);

   310 IMPORT_C double	logb(double);

   311 IMPORT_C long	lrint(double);

   312 IMPORT_C long	lround(double);

   313 IMPORT_C double	nextafter(double, double);

   314 IMPORT_C double	remainder(double, double);

   315 IMPORT_C double	remquo(double, double, int *);

   316 IMPORT_C double	rint(double);

   317 #endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */

   319 #if __BSD_VISIBLE || __XSI_VISIBLE

   320 IMPORT_C double	j0(double);

   321 IMPORT_C double	j1(double);

   322 IMPORT_C double	jn(int, double);

   323 IMPORT_C double	scalb(double, double);

   324 IMPORT_C double	y0(double);

   325 IMPORT_C double	y1(double);

   326 IMPORT_C double	yn(int, double);

   328 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE

   329 IMPORT_C double	gamma(double);

   330 #endif

   331 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   333 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999

   334 IMPORT_C double	copysign(double, double) __pure2;

   335 IMPORT_C double	fdim(double, double);

   336 IMPORT_C double	fmax(double, double) __pure2;

   337 IMPORT_C double	fmin(double, double) __pure2;

   338 IMPORT_C double	nearbyint(double);

   339 IMPORT_C double	round(double);

   340 IMPORT_C double	scalbln(double, long);

   341 IMPORT_C double	scalbn(double, int);

   342 IMPORT_C double	trunc(double);

   343 #endif

   345 /*

   346  * BSD math library entry points

   347  */

   348 #if __BSD_VISIBLE

   349 IMPORT_C double	drem(double, double);

   350 IMPORT_C int	finite(double) __pure2;

   351 IMPORT_C int	isnanf(float) __pure2;

   353 /*

   354  * Reentrant version of gamma & lgamma; passes signgam back by reference

   355  * as the second argument; user must allocate space for signgam.

   356  */

   357 IMPORT_C double	lgamma_r(double, int *);

   359 /*

   360  * IEEE Test Vector

   361  */

   362 IMPORT_C double	significand(double);

   363 #endif /* __BSD_VISIBLE */

   365 /* float versions of ANSI/POSIX functions */

   366 #if __ISO_C_VISIBLE >= 1999

   367 IMPORT_C float	acosf(float);

   369 IMPORT_C float	acosf(float);

   370 IMPORT_C float	asinf(float);

   371 IMPORT_C float	atanf(float);

   372 IMPORT_C float	atan2f(float, float);

   373 IMPORT_C float	cosf(float);

   374 IMPORT_C float	sinf(float);

   375 IMPORT_C float	tanf(float);

   377 IMPORT_C float	coshf(float);

   378 IMPORT_C float	sinhf(float);

   379 IMPORT_C float	tanhf(float);

   380 IMPORT_C float	exp2f(float);

   381 IMPORT_C float	expf(float);

   382 IMPORT_C float	expm1f(float);

   383 IMPORT_C float	frexpf(float, int *);	/* fundamentally !__pure2 */

   384 IMPORT_C int	ilogbf(float) __pure2;

   385 #ifndef __SYMBIAN32__

   386 float	ldexpf(float, int);

   387 #endif //__SYMBIAN32__

   388 IMPORT_C float	log10f(float);

   389 IMPORT_C float	log1pf(float);

   390 IMPORT_C float	logf(float);

   391 IMPORT_C float	modff(float, float *);	/* fundamentally !__pure2 */

   393 IMPORT_C float	powf(float, float);

   394 IMPORT_C float	sqrtf(float);

   396 IMPORT_C float	ceilf(float);

   397 IMPORT_C float	fabsf(float) __pure2;

   398 IMPORT_C float	floorf(float);

   399 IMPORT_C float	fmodf(float, float);

   400 IMPORT_C float	roundf(float);

   402 IMPORT_C float	erff(float);

   403 IMPORT_C float	erfcf(float);

   404 IMPORT_C float	hypotf(float, float);

   405 IMPORT_C float	lgammaf(float);

   407 IMPORT_C float	acoshf(float);

   408 IMPORT_C float	asinhf(float);

   409 IMPORT_C float	atanhf(float);

   410 IMPORT_C float	cbrtf(float);

   411 IMPORT_C float	logbf(float);

   412 IMPORT_C float	copysignf(float, float) __pure2;

   413 IMPORT_C long long llrintf(float);

   414 IMPORT_C long long llroundf(float);

   415 IMPORT_C long	lrintf(float);

   416 IMPORT_C long	lroundf(float);

   417 IMPORT_C float	nearbyintf(float);

   418 IMPORT_C float	nextafterf(float, float);

   419 IMPORT_C float	remainderf(float, float);

   420 IMPORT_C float	remquof(float, float, int *);

   421 IMPORT_C float	rintf(float);

   422 IMPORT_C float	scalblnf(float, long);

   423 IMPORT_C float	scalbnf(float, int);

   424 IMPORT_C float	truncf(float);

   426 IMPORT_C float	fdimf(float, float);

   427 IMPORT_C float	fmaf(float, float, float);

   428 IMPORT_C float	fmaxf(float, float) __pure2;

   429 IMPORT_C float	fminf(float, float) __pure2;

   430 #endif

   432 /*

   433  * float versions of BSD math library entry points

   434  */

   435 #if __BSD_VISIBLE

   437 #ifdef __SYMBIAN_COMPILE_UNUSED__

   438 float	dremf(float, float);

   439 #endif

   441 IMPORT_C int	finitef(float) __pure2;

   442 IMPORT_C float	gammaf(float);

   443 IMPORT_C float	j0f(float);

   444 IMPORT_C float	j1f(float);

   445 IMPORT_C float	jnf(int, float);

   446 IMPORT_C float	scalbf(float, float);

   447 IMPORT_C float	y0f(float);

   448 IMPORT_C float	y1f(float);

   449 IMPORT_C float	ynf(int, float);

   451 /*

   452  * Float versions of reentrant version of gamma & lgamma; passes

   453  * signgam back by reference as the second argument; user must

   454  * allocate space for signgam.

   455  */

   456 IMPORT_C float	lgammaf_r(float, int *);

   458 /*

   459  * float version of IEEE Test Vector

   460  */

   461 IMPORT_C float	significandf(float);

   462 #endif	/* __BSD_VISIBLE */

   464 /*

   465  * long double versions of ISO/POSIX math functions

   466  */

   467 #if __ISO_C_VISIBLE >= 1999

   468 #if 0

   469 long double	acoshl(long double);

   470 long double	acosl(long double);

   471 long double	asinhl(long double);

   472 long double	asinl(long double);

   473 long double	atan2l(long double, long double);

   474 long double	atanhl(long double);

   475 long double	atanl(long double);

   476 long double	cbrtl(long double);

   477 #endif

   478 #ifndef __SYMBIAN32__

   479 long double	ceill(long double);

   480 #endif //__SYMBIAN32__

   481 IMPORT_C long double	copysignl(long double, long double) __pure2;

   482 #if 0

   483 long double	coshl(long double);

   484 long double	cosl(long double);

   485 long double	erfcl(long double);

   486 long double	erfl(long double);

   487 long double	exp2l(long double);

   488 long double	expl(long double);

   489 long double	expm1l(long double);

   490 #endif

   491 IMPORT_C long double	fabsl(long double) __pure2;

   492 IMPORT_C long double	fdiml(long double, long double);

   493 #ifndef __SYMBIAN32__

   494 long double	floorl(long double);

   495 long double	fmal(long double, long double, long double);

   496 #endif //__SYMBIAN32__

   497 IMPORT_C long double	fmaxl(long double, long double) __pure2;

   498 #ifndef __SYMBIAN32__

   499 long double	fminl(long double, long double) __pure2;

   500 #endif //__SYMBIAN32__

   501 #if 0

   502 long double	fmodl(long double, long double);

   503 #endif

   504 #ifndef __SYMBIAN32__

   505 long double	frexpl(long double value, int *); /* fundamentally !__pure2 */

   506 #endif //__SYMBIAN32__

   507 #if 0

   508 long double	hypotl(long double, long double);

   509 #endif

   510 IMPORT_C int		ilogbl(long double) __pure2;

   511 #ifndef __SYMBIAN32__

   512 long double	ldexpl(long double, int);

   513 #endif //__SYMBIAN32__

   514 #if 0

   515 long double	lgammal(long double);

   516 long long	llrintl(long double);

   517 #endif

   518 #ifndef __SYMBIAN32__

   519 long long	llroundl(long double);

   520 #endif //__SYMBIAN32__

   521 #if 0

   522 long double	log10l(long double);

   523 long double	log1pl(long double);

   524 long double	log2l(long double);

   525 long double	logbl(long double);

   526 long double	logl(long double);

   527 long		lrintl(long double);

   528 #endif

   529 #ifndef __SYMBIAN32__

   530 long		lroundl(long double);

   531 #endif //__SYMBIAN32__

   532 #if 0

   533 long double	modfl(long double, long double *); /* fundamentally !__pure2 */

   534 long double	nanl(const char *) __pure2;

   535 long double	nearbyintl(long double);

   536 #endif

   537 #ifndef __SYMBIAN32__

   538 long double	nextafterl(long double, long double);

   539 double		nexttoward(double, long double);

   540 #endif //__SYMBIAN32__

   541 IMPORT_C float		nexttowardf(float, long double);

   542 #ifndef __SYMBIAN32__

   543 long double	nexttowardl(long double, long double);

   544 #endif //__SYMBIAN32__

   545 #if 0

   546 long double	powl(long double, long double);

   547 long double	remainderl(long double, long double);

   548 long double	remquol(long double, long double, int *);

   549 long double	rintl(long double);

   550 #endif

   551 #ifndef __SYMBIAN32__

   552 long double	roundl(long double);

   553 #endif //__SYMBIAN32__

   554 IMPORT_C long double	scalblnl(long double, long);

   555 #ifndef __SYMBIAN32__

   556 long double	scalbnl(long double, int);

   557 #endif //__SYMBIAN32__

   558 #if 0

   559 long double	sinhl(long double);

   560 long double	sinl(long double);

   561 long double	sqrtl(long double);

   562 long double	tanhl(long double);

   563 long double	tanl(long double);

   564 #endif

   565 IMPORT_C long double	truncl(long double);

   567 #endif /* __ISO_C_VISIBLE >= 1999 */

   568 __END_DECLS

   570 #endif /* !_MATH_H_ */

author	William Roberts <williamr@symbian.org>
	Wed, 31 Mar 2010 12:33:34 +0100
branch	Symbian3
changeset 4	837f303aceeb
parent 2	2fe1408b6811
permissions	-rw-r--r--