test: epoc32/include/stdapis/math.h@2fe1408b6811

     1 /*--------------------------------------------------------------------

     2  *© Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

     3  *--------------------------------------------------------------------

     4 */

     5 /*

     6  * ====================================================

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

     8  *

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

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

    11  * software is freely granted, provided that this notice

    12  * is preserved.

    13  * ====================================================

    14  * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.

    15  */

    17 /*

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

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

    20  */

    22 #ifndef _MATH_H_

    23 #define	_MATH_H_

    26 #ifdef __SYMBIAN32__

    27 #ifdef __VC32__

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

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

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

    31  */

    32 #pragma warning( disable: 4056 )

    33 #endif

    34 #ifdef __ARMCC__

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

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

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

    38 */

    39 #pragma diag_suppress 222

    40 #pragma diag_suppress 39

    41 #pragma diag_suppress 2874

    42 #endif

    43 #endif //__SYMBIAN32__

    45 #ifdef __SYMBIAN32__

    46 #include <_ansi.h>

    47 #endif //__SYMBIAN32__

    49 #include <sys/cdefs.h>

    50 #include <sys/_types.h>

    51 #include <machine/_limits.h>

    53 #ifdef  __SYMBIAN32__

    54 #include <libm_aliases.h>

    55 #endif  //__SYMBIAN32__

    56 #ifdef __SYMBIAN32__

    57 #include "signgam.h"

    59 // IEC 559 math functionality

    60 #define __STDC_IEC_559__		1

    61 #endif //__SYMBIAN32__

    63 /*

    64  * ANSI/POSIX

    65  */

    66 #ifndef __SYMBIAN32__

    67 extern const union __infinity_un {

    68 	unsigned char	__uc[8];

    69 	double		__ud;

    70 } __infinity;

    72 extern const union __nan_un {

    73 	unsigned char	__uc[sizeof(float)];

    74 	float		__uf;

    75 } __nan;

    76 #endif //__SYMBIAN32__

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

    79 #define	__MATH_BUILTIN_CONSTANTS

    80 #endif

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

    83 #define	__MATH_BUILTIN_RELOPS

    84 #endif

    86 #ifdef __SYMBIAN32__

    87 #define	HUGE_VAL	__infinite(1.0)

    88 #else

    89 #ifdef __MATH_BUILTIN_CONSTANTS

    90 #define	HUGE_VAL	__builtin_huge_val()

    91 #else

    92 #define	HUGE_VAL	(__infinity.__ud)

    93 #endif

    94 #endif //__SYMBIAN32__

    96 #if __ISO_C_VISIBLE >= 1999

    97 #define	FP_ILOGB0	(-__INT_MAX)

    98 #define	FP_ILOGBNAN	__INT_MAX

   100 #ifdef __MATH_BUILTIN_CONSTANTS

   101 #define	HUGE_VALF	__builtin_huge_valf()

   102 #define	HUGE_VALL	__builtin_huge_vall()

   103 #define	INFINITY	__builtin_inf()

   104 #define	NAN		__builtin_nan("")

   105 #else

   106 #define	HUGE_VALF	(float)HUGE_VAL

   107 #define	HUGE_VALL	(long double)HUGE_VAL

   108 #define	INFINITY	HUGE_VALF

   109 #ifdef __SYMBIAN32__

   110 #define NAN		nanvalf()

   111 #else

   112 #define	NAN		(__nan.__uf)

   113 #endif //__SYMBIAN32__

   114 #endif /* __MATH_BUILTIN_CONSTANTS */

   116 #define	MATH_ERRNO	1

   117 #define	MATH_ERREXCEPT	2

   118 #define	math_errhandling	MATH_ERREXCEPT

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

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

   122 #define	FP_FAST_FMA

   123 #endif

   124 #ifdef __ia64__

   125 #define	FP_FAST_FMAL

   126 #endif

   127 #define	FP_FAST_FMAF

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

   130 #define	FP_INFINITE	0x01

   131 #define	FP_NAN		0x02

   132 #define	FP_NORMAL	0x04

   133 #define	FP_SUBNORMAL	0x08

   134 #define	FP_ZERO		0x10

   136 #define	fpclassify(x) \

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

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

   139     : __fpclassifyl(x))

   141 #define	isfinite(x)					\

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

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

   144     : __isfinitel(x))

   145 #define	isinf(x)					\

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

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

   148     : __isinfl(x))

   149 #define	isnan(x)					\

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

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

   152     : __isnanl(x))

   153 #define	isnormal(x)					\

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

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

   156     : __isnormall(x))

   159 #ifdef __MATH_BUILTIN_RELOPS

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

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

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

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

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

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

   166 #else

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

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

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

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

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

   172 					((x) > (y) || (y) > (x)))

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

   174 #endif /* __MATH_BUILTIN_RELOPS */

   176 #define	signbit(x)					\

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

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

   179     : __signbitl(x))

   181 typedef	__double_t	double_t;

   182 typedef	__float_t	float_t;

   183 #endif /* __ISO_C_VISIBLE >= 1999 */

   185 /*

   186  * XOPEN/SVID

   187  */

   188 #if __BSD_VISIBLE || __XSI_VISIBLE

   189 #define	M_E		2.7182818284590452354	/* e */

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

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

   192 #define	M_LN2		0.69314718055994530942	/* log e2 */

   193 #define	M_LN10		2.30258509299404568402	/* log e10 */

   194 #define	M_PI		3.14159265358979323846	/* pi */

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

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

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

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

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

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

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

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

   204 #ifdef __SYMBIAN32__

   205 #ifndef __WINSCW__

   206 extern int _signgam;

   207 #endif //__WINSCW__

   208 #else

   209 extern int signgam;

   210 #endif //__SYMBIAN32__

   211 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   213 #if __BSD_VISIBLE

   214 #if 0

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

   216 #define	HUGE		HUGE_VAL

   217 #else

   218 #define	HUGE		MAXFLOAT

   219 #endif

   220 #endif /* __BSD_VISIBLE */

   222 /*

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

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

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

   226  */

   227 __BEGIN_DECLS

   228 /*

   229  * ANSI/POSIX

   230  */

   231 #ifdef __SYMBIAN32__

   232 IMPORT_C double __infinite(double x);

   233 IMPORT_C float  __infinitef(float x);

   235 IMPORT_C double nanval(void );

   236 IMPORT_C float  nanvalf(void );

   237 #endif //__SYMBIAN32__

   240 IMPORT_C int	__fpclassifyd(double) __pure2;

   241 IMPORT_C int	__fpclassifyf(float) __pure2;

   242 IMPORT_C int	__fpclassifyl(long double) __pure2;

   243 IMPORT_C int	__isfinitef(float) __pure2;

   244 IMPORT_C int	__isfinite(double) __pure2;

   245 IMPORT_C int	__isfinitel(long double) __pure2;

   246 IMPORT_C int	__isinf(double) __pure2;

   247 IMPORT_C int	__isinff(float) __pure2;

   248 IMPORT_C int	__isinfl(long double) __pure2;

   249 #ifdef __SYMBIAN32__

   250 IMPORT_C int	__isnan(double) __pure2;

   251 IMPORT_C int	__isnanf(float) __pure2;

   252 #endif //__SYMBIAN32__

   253 IMPORT_C int	__isnanl(long double) __pure2;

   254 IMPORT_C int	__isnormalf(float) __pure2;

   255 IMPORT_C int	__isnormal(double) __pure2;

   256 IMPORT_C int	__isnormall(long double) __pure2;

   257 IMPORT_C int	__signbit(double) __pure2;

   258 IMPORT_C int	__signbitf(float) __pure2;

   259 IMPORT_C int	__signbitl(long double) __pure2;

   261 IMPORT_C double	acos(double);

   262 IMPORT_C double	asin(double);

   263 IMPORT_C double	atan(double);

   264 IMPORT_C double	atan2(double, double);

   265 IMPORT_C double	cos(double);

   266 IMPORT_C double	sin(double);

   267 IMPORT_C double	tan(double);

   269 IMPORT_C double	cosh(double);

   270 IMPORT_C double	sinh(double);

   271 IMPORT_C double	tanh(double);

   273 IMPORT_C double	exp(double);

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

   275 IMPORT_C double	ldexp(double, int);

   276 IMPORT_C double	log(double);

   277 IMPORT_C double	log10(double);

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

   280 IMPORT_C double	pow(double, double);

   281 IMPORT_C double	sqrt(double);

   283 IMPORT_C double	ceil(double);

   284 IMPORT_C double	fabs(double) __pure2;

   285 IMPORT_C double	floor(double);

   286 IMPORT_C double	fmod(double, double);

   288 /*

   289  * These functions are not in C90.

   290  */

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

   292 IMPORT_C double	acosh(double);

   293 IMPORT_C double	asinh(double);

   294 IMPORT_C double	atanh(double);

   295 IMPORT_C double	cbrt(double);

   296 IMPORT_C double	erf(double);

   297 IMPORT_C double	erfc(double);

   298 IMPORT_C double	exp2(double);

   299 IMPORT_C double	expm1(double);

   300 IMPORT_C double	fma(double, double, double);

   301 IMPORT_C double	hypot(double, double);

   304 IMPORT_C int	ilogb(double) __pure2;

   305 /*

   306 int	(isinf)(double) __pure2;

   307 int	(isnan)(double) __pure2;

   308 */

   309 IMPORT_C double	lgamma(double);

   310 IMPORT_C long long llrint(double);

   311 IMPORT_C long long llround(double);

   312 IMPORT_C double	log1p(double);

   313 IMPORT_C double	logb(double);

   314 IMPORT_C long	lrint(double);

   315 IMPORT_C long	lround(double);

   316 IMPORT_C double	nextafter(double, double);

   317 IMPORT_C double	remainder(double, double);

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

   319 IMPORT_C double	rint(double);

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

   322 #if __BSD_VISIBLE || __XSI_VISIBLE

   323 IMPORT_C double	j0(double);

   324 IMPORT_C double	j1(double);

   325 IMPORT_C double	jn(int, double);

   326 IMPORT_C double	scalb(double, double);

   327 IMPORT_C double	y0(double);

   328 IMPORT_C double	y1(double);

   329 IMPORT_C double	yn(int, double);

   331 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE

   332 IMPORT_C double	gamma(double);

   333 #endif

   334 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   336 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999

   337 IMPORT_C double	copysign(double, double) __pure2;

   338 IMPORT_C double	fdim(double, double);

   339 IMPORT_C double	fmax(double, double) __pure2;

   340 IMPORT_C double	fmin(double, double) __pure2;

   341 IMPORT_C double	nearbyint(double);

   342 IMPORT_C double	round(double);

   343 IMPORT_C double	scalbln(double, long);

   344 IMPORT_C double	scalbn(double, int);

   345 IMPORT_C double	trunc(double);

   346 #endif

   348 /*

   349  * BSD math library entry points

   350  */

   351 #if __BSD_VISIBLE

   352 IMPORT_C double	drem(double, double);

   353 IMPORT_C int	finite(double) __pure2;

   354 IMPORT_C int	isnanf(float) __pure2;

   356 /*

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

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

   359  */

   360 IMPORT_C double	lgamma_r(double, int *);

   362 /*

   363  * IEEE Test Vector

   364  */

   365 IMPORT_C double	significand(double);

   366 #endif /* __BSD_VISIBLE */

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

   369 #if __ISO_C_VISIBLE >= 1999

   370 IMPORT_C float	acosf(float);

   372 IMPORT_C float	acosf(float);

   373 IMPORT_C float	asinf(float);

   374 IMPORT_C float	atanf(float);

   375 IMPORT_C float	atan2f(float, float);

   376 IMPORT_C float	cosf(float);

   377 IMPORT_C float	sinf(float);

   378 IMPORT_C float	tanf(float);

   380 IMPORT_C float	coshf(float);

   381 IMPORT_C float	sinhf(float);

   382 IMPORT_C float	tanhf(float);

   383 IMPORT_C float	exp2f(float);

   384 IMPORT_C float	expf(float);

   385 IMPORT_C float	expm1f(float);

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

   387 IMPORT_C int	ilogbf(float) __pure2;

   388 #ifndef __SYMBIAN32__

   389 float	ldexpf(float, int);

   390 #endif //__SYMBIAN32__

   391 IMPORT_C float	log10f(float);

   392 IMPORT_C float	log1pf(float);

   393 IMPORT_C float	logf(float);

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

   396 IMPORT_C float	powf(float, float);

   397 IMPORT_C float	sqrtf(float);

   399 IMPORT_C float	ceilf(float);

   400 IMPORT_C float	fabsf(float) __pure2;

   401 IMPORT_C float	floorf(float);

   402 IMPORT_C float	fmodf(float, float);

   403 IMPORT_C float	roundf(float);

   405 IMPORT_C float	erff(float);

   406 IMPORT_C float	erfcf(float);

   407 IMPORT_C float	hypotf(float, float);

   408 IMPORT_C float	lgammaf(float);

   410 IMPORT_C float	acoshf(float);

   411 IMPORT_C float	asinhf(float);

   412 IMPORT_C float	atanhf(float);

   413 IMPORT_C float	cbrtf(float);

   414 IMPORT_C float	logbf(float);

   415 IMPORT_C float	copysignf(float, float) __pure2;

   416 IMPORT_C long long llrintf(float);

   417 IMPORT_C long long llroundf(float);

   418 IMPORT_C long	lrintf(float);

   419 IMPORT_C long	lroundf(float);

   420 IMPORT_C float	nearbyintf(float);

   421 IMPORT_C float	nextafterf(float, float);

   422 IMPORT_C float	remainderf(float, float);

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

   424 IMPORT_C float	rintf(float);

   425 IMPORT_C float	scalblnf(float, long);

   426 IMPORT_C float	scalbnf(float, int);

   427 IMPORT_C float	truncf(float);

   429 IMPORT_C float	fdimf(float, float);

   430 IMPORT_C float	fmaf(float, float, float);

   431 IMPORT_C float	fmaxf(float, float) __pure2;

   432 IMPORT_C float	fminf(float, float) __pure2;

   433 #endif

   435 /*

   436  * float versions of BSD math library entry points

   437  */

   438 #if __BSD_VISIBLE

   440 #ifdef __SYMBIAN_COMPILE_UNUSED__

   441 float	dremf(float, float);

   442 #endif

   444 IMPORT_C int	finitef(float) __pure2;

   445 IMPORT_C float	gammaf(float);

   446 IMPORT_C float	j0f(float);

   447 IMPORT_C float	j1f(float);

   448 IMPORT_C float	jnf(int, float);

   449 IMPORT_C float	scalbf(float, float);

   450 IMPORT_C float	y0f(float);

   451 IMPORT_C float	y1f(float);

   452 IMPORT_C float	ynf(int, float);

   454 /*

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

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

   457  * allocate space for signgam.

   458  */

   459 IMPORT_C float	lgammaf_r(float, int *);

   461 /*

   462  * float version of IEEE Test Vector

   463  */

   464 IMPORT_C float	significandf(float);

   465 #endif	/* __BSD_VISIBLE */

   467 /*

   468  * long double versions of ISO/POSIX math functions

   469  */

   470 #if __ISO_C_VISIBLE >= 1999

   471 #if 0

   472 long double	acoshl(long double);

   473 long double	acosl(long double);

   474 long double	asinhl(long double);

   475 long double	asinl(long double);

   476 long double	atan2l(long double, long double);

   477 long double	atanhl(long double);

   478 long double	atanl(long double);

   479 long double	cbrtl(long double);

   480 #endif

   481 #ifndef __SYMBIAN32__

   482 long double	ceill(long double);

   483 #endif //__SYMBIAN32__

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

   485 #if 0

   486 long double	coshl(long double);

   487 long double	cosl(long double);

   488 long double	erfcl(long double);

   489 long double	erfl(long double);

   490 long double	exp2l(long double);

   491 long double	expl(long double);

   492 long double	expm1l(long double);

   493 #endif

   494 IMPORT_C long double	fabsl(long double) __pure2;

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

   496 #ifndef __SYMBIAN32__

   497 long double	floorl(long double);

   498 long double	fmal(long double, long double, long double);

   499 #endif //__SYMBIAN32__

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

   501 #ifndef __SYMBIAN32__

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

   503 #endif //__SYMBIAN32__

   504 #if 0

   505 long double	fmodl(long double, long double);

   506 #endif

   507 #ifndef __SYMBIAN32__

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

   509 #endif //__SYMBIAN32__

   510 #if 0

   511 long double	hypotl(long double, long double);

   512 #endif

   513 IMPORT_C int		ilogbl(long double) __pure2;

   514 #ifndef __SYMBIAN32__

   515 long double	ldexpl(long double, int);

   516 #endif //__SYMBIAN32__

   517 #if 0

   518 long double	lgammal(long double);

   519 long long	llrintl(long double);

   520 #endif

   521 #ifndef __SYMBIAN32__

   522 long long	llroundl(long double);

   523 #endif //__SYMBIAN32__

   524 #if 0

   525 long double	log10l(long double);

   526 long double	log1pl(long double);

   527 long double	log2l(long double);

   528 long double	logbl(long double);

   529 long double	logl(long double);

   530 long		lrintl(long double);

   531 #endif

   532 #ifndef __SYMBIAN32__

   533 long		lroundl(long double);

   534 #endif //__SYMBIAN32__

   535 #if 0

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

   537 long double	nanl(const char *) __pure2;

   538 long double	nearbyintl(long double);

   539 #endif

   540 #ifndef __SYMBIAN32__

   541 long double	nextafterl(long double, long double);

   542 double		nexttoward(double, long double);

   543 #endif //__SYMBIAN32__

   544 IMPORT_C float		nexttowardf(float, long double);

   545 #ifndef __SYMBIAN32__

   546 long double	nexttowardl(long double, long double);

   547 #endif //__SYMBIAN32__

   548 #if 0

   549 long double	powl(long double, long double);

   550 long double	remainderl(long double, long double);

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

   552 long double	rintl(long double);

   553 #endif

   554 #ifndef __SYMBIAN32__

   555 long double	roundl(long double);

   556 #endif //__SYMBIAN32__

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

   558 #ifndef __SYMBIAN32__

   559 long double	scalbnl(long double, int);

   560 #endif //__SYMBIAN32__

   561 #if 0

   562 long double	sinhl(long double);

   563 long double	sinl(long double);

   564 long double	sqrtl(long double);

   565 long double	tanhl(long double);

   566 long double	tanl(long double);

   567 #endif

   568 IMPORT_C long double	truncl(long double);

   570 #endif /* __ISO_C_VISIBLE >= 1999 */

   571 __END_DECLS

   573 #endif /* !_MATH_H_ */

author	William Roberts <williamr@symbian.org>
	Tue, 16 Mar 2010 16:12:26 +0000
branch	Symbian2
changeset 2	2fe1408b6811
parent 0	061f57f2323e
child 4	837f303aceeb
permissions	-rw-r--r--