Symaptic: os/ossrv/ossrv_pub/math_operations_api/inc/stdapis/math.h@bde4ae8d615e

     1 /*

     2 * Portions Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

     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  */

    13 /*

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

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

    16  */

    18 #ifndef _MATH_H_

    19 #define	_MATH_H_

    21 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))

    22 #define SYMBIAN

    23 #endif

    25 #ifdef __SYMBIAN32__

    26 #ifdef __VC32__

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

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

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

    30  */

    31 #pragma warning( disable: 4056 )

    32 #endif

    33 #ifdef __ARMCC__

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

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

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

    37 */

    38 #pragma diag_suppress 222

    39 #pragma diag_suppress 39

    40 #pragma diag_suppress 2874

    41 #endif

    42 #endif //__SYMBIAN32__

    44 #ifdef __SYMBIAN32__

    45 #include <_ansi.h>

    46 #endif //__SYMBIAN32__

    48 #include <sys/cdefs.h>

    49 #include <sys/_types.h>

    50 #include <machine/_limits.h>

    52 #ifdef  __SYMBIAN32__

    53 #include <libm_aliases.h>

    54 #endif  //__SYMBIAN32__

    55 #ifdef __SYMBIAN32__

    56 #include <signgam.h>

    58 // IEC 559 math functionality

    59 #define __STDC_IEC_559__		1

    60 #endif //__SYMBIAN32__

    62 /*

    63  * ANSI/POSIX

    64  */

    65 #ifndef __SYMBIAN32__

    66 extern const union __infinity_un {

    67 	unsigned char	__uc[8];

    68 	double		__ud;

    69 } __infinity;

    71 extern const union __nan_un {

    72 	unsigned char	__uc[sizeof(float)];

    73 	float		__uf;

    74 } __nan;

    75 #endif //__SYMBIAN32__

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

    78 #define	__MATH_BUILTIN_CONSTANTS

    79 #endif

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

    82 #define	__MATH_BUILTIN_RELOPS

    83 #endif

    85 #ifdef __SYMBIAN32__

    86 #define	HUGE_VAL	__infinite(1.0)

    87 #else

    88 #ifdef __MATH_BUILTIN_CONSTANTS

    89 #define	HUGE_VAL	__builtin_huge_val()

    90 #else

    91 #define	HUGE_VAL	(__infinity.__ud)

    92 #endif

    93 #endif //__SYMBIAN32__

    95 #if __ISO_C_VISIBLE >= 1999

    96 #define	FP_ILOGB0	(-__INT_MAX)

    97 #define	FP_ILOGBNAN	__INT_MAX

    99 #ifdef __MATH_BUILTIN_CONSTANTS

   100 #define	HUGE_VALF	__builtin_huge_valf()

   101 #define	HUGE_VALL	__builtin_huge_vall()

   102 #define	INFINITY	__builtin_inf()

   103 #define	NAN		__builtin_nan("")

   104 #else

   105 #define	HUGE_VALF	(float)HUGE_VAL

   106 #define	HUGE_VALL	(long double)HUGE_VAL

   107 #define	INFINITY	HUGE_VALF

   108 #ifdef __SYMBIAN32__

   109 #define NAN		nanvalf()

   110 #else

   111 #define	NAN		(__nan.__uf)

   112 #endif //__SYMBIAN32__

   113 #endif /* __MATH_BUILTIN_CONSTANTS */

   115 #define	MATH_ERRNO	1

   116 #define	MATH_ERREXCEPT	2

   117 #define	math_errhandling	MATH_ERREXCEPT

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

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

   121 #define	FP_FAST_FMA

   122 #endif

   123 #ifdef __ia64__

   124 #define	FP_FAST_FMAL

   125 #endif

   126 #define	FP_FAST_FMAF

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

   129 #define	FP_INFINITE	0x01

   130 #define	FP_NAN		0x02

   131 #define	FP_NORMAL	0x04

   132 #define	FP_SUBNORMAL	0x08

   133 #define	FP_ZERO		0x10

   135 #define	fpclassify(x) \

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

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

   138     : __fpclassifyl(x))

   140 #define	isfinite(x)					\

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

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

   143     : __isfinitel(x))

   144 #define	isinf(x)					\

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

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

   147     : __isinfl(x))

   148 #define	isnan(x)					\

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

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

   151     : __isnanl(x))

   152 #define	isnormal(x)					\

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

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

   155     : __isnormall(x))

   158 #ifdef __MATH_BUILTIN_RELOPS

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

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

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

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

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

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

   165 #else

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

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

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

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

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

   171 					((x) > (y) || (y) > (x)))

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

   173 #endif /* __MATH_BUILTIN_RELOPS */

   175 #define	signbit(x)					\

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

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

   178     : __signbitl(x))

   180 typedef	__double_t	double_t;

   181 typedef	__float_t	float_t;

   182 #endif /* __ISO_C_VISIBLE >= 1999 */

   184 /*

   185  * XOPEN/SVID

   186  */

   187 #if __BSD_VISIBLE || __XSI_VISIBLE

   188 #define	M_E		2.7182818284590452354	/* e */

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

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

   191 #define	M_LN2		0.69314718055994530942	/* log e2 */

   192 #define	M_LN10		2.30258509299404568402	/* log e10 */

   193 #define	M_PI		3.14159265358979323846	/* pi */

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

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

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

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

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

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

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

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

   203 #ifdef __SYMBIAN32__

   204 #ifndef __WINSCW__

   205 extern int _signgam;

   206 #endif //__WINSCW__

   207 #else

   208 extern int signgam;

   209 #endif //__SYMBIAN32__

   210 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   212 #if __BSD_VISIBLE

   213 #if 0

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

   215 #define	HUGE		HUGE_VAL

   216 #else

   217 #define	HUGE		MAXFLOAT

   218 #endif

   219 #endif /* __BSD_VISIBLE */

   221 /*

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

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

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

   225  */

   226 __BEGIN_DECLS

   227 /*

   228  * ANSI/POSIX

   229  */

   230 #ifdef __SYMBIAN32__

   231 IMPORT_C double __infinite(double x);

   232 IMPORT_C float  __infinitef(float x);

   234 IMPORT_C double nanval(void );

   235 IMPORT_C float  nanvalf(void );

   236 #endif //__SYMBIAN32__

   239 IMPORT_C int	__fpclassifyd(double) __pure2;

   240 IMPORT_C int	__fpclassifyf(float) __pure2;

   241 IMPORT_C int	__fpclassifyl(long double) __pure2;

   242 IMPORT_C int	__isfinitef(float) __pure2;

   243 IMPORT_C int	__isfinite(double) __pure2;

   244 IMPORT_C int	__isfinitel(long double) __pure2;

   245 IMPORT_C int	__isinf(double) __pure2;

   246 IMPORT_C int	__isinff(float) __pure2;

   247 IMPORT_C int	__isinfl(long double) __pure2;

   248 #ifdef __SYMBIAN32__

   249 IMPORT_C int	__isnan(double) __pure2;

   250 IMPORT_C int	__isnanf(float) __pure2;

   251 #endif //__SYMBIAN32__

   252 IMPORT_C int	__isnanl(long double) __pure2;

   253 IMPORT_C int	__isnormalf(float) __pure2;

   254 IMPORT_C int	__isnormal(double) __pure2;

   255 IMPORT_C int	__isnormall(long double) __pure2;

   256 IMPORT_C int	__signbit(double) __pure2;

   257 IMPORT_C int	__signbitf(float) __pure2;

   258 IMPORT_C int	__signbitl(long double) __pure2;

   260 IMPORT_C double	acos(double);

   261 IMPORT_C double	asin(double);

   262 IMPORT_C double	atan(double);

   263 IMPORT_C double	atan2(double, double);

   264 IMPORT_C double	cos(double);

   265 IMPORT_C double	sin(double);

   266 IMPORT_C double	tan(double);

   268 IMPORT_C double	cosh(double);

   269 IMPORT_C double	sinh(double);

   270 IMPORT_C double	tanh(double);

   272 IMPORT_C double	exp(double);

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

   274 IMPORT_C double	ldexp(double, int);

   275 IMPORT_C double	log(double);

   276 IMPORT_C double	log10(double);

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

   279 IMPORT_C double	pow(double, double);

   280 IMPORT_C double	sqrt(double);

   282 IMPORT_C double	ceil(double);

   283 IMPORT_C double	fabs(double) __pure2;

   284 IMPORT_C double	floor(double);

   285 IMPORT_C double	fmod(double, double);

   287 /*

   288  * These functions are not in C90.

   289  */

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

   291 IMPORT_C double	acosh(double);

   292 IMPORT_C double	asinh(double);

   293 IMPORT_C double	atanh(double);

   294 IMPORT_C double	cbrt(double);

   295 IMPORT_C double	erf(double);

   296 IMPORT_C double	erfc(double);

   297 IMPORT_C double	exp2(double);

   298 IMPORT_C double	expm1(double);

   299 IMPORT_C double	fma(double, double, double);

   300 IMPORT_C double	hypot(double, double);

   303 IMPORT_C int	ilogb(double) __pure2;

   304 /*

   305 int	(isinf)(double) __pure2;

   306 int	(isnan)(double) __pure2;

   307 */

   308 IMPORT_C double	lgamma(double);

   309 IMPORT_C long long llrint(double);

   310 IMPORT_C long long llround(double);

   311 IMPORT_C double	log1p(double);

   312 IMPORT_C double	logb(double);

   313 IMPORT_C long	lrint(double);

   314 IMPORT_C long	lround(double);

   315 IMPORT_C double	nextafter(double, double);

   316 IMPORT_C double	remainder(double, double);

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

   318 IMPORT_C double	rint(double);

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

   321 #if __BSD_VISIBLE || __XSI_VISIBLE

   322 IMPORT_C double	j0(double);

   323 IMPORT_C double	j1(double);

   324 IMPORT_C double	jn(int, double);

   325 IMPORT_C double	scalb(double, double);

   326 IMPORT_C double	y0(double);

   327 IMPORT_C double	y1(double);

   328 IMPORT_C double	yn(int, double);

   330 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE

   331 IMPORT_C double	gamma(double);

   332 #endif

   333 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */

   335 #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999

   336 IMPORT_C double	copysign(double, double) __pure2;

   337 IMPORT_C double	fdim(double, double);

   338 IMPORT_C double	fmax(double, double) __pure2;

   339 IMPORT_C double	fmin(double, double) __pure2;

   340 IMPORT_C double	nearbyint(double);

   341 IMPORT_C double	round(double);

   342 IMPORT_C double	scalbln(double, long);

   343 IMPORT_C double	scalbn(double, int);

   344 IMPORT_C double	trunc(double);

   345 #endif

   347 /*

   348  * BSD math library entry points

   349  */

   350 #if __BSD_VISIBLE

   351 IMPORT_C double	drem(double, double);

   352 IMPORT_C int	finite(double) __pure2;

   354 /*

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

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

   357  */

   358 IMPORT_C double	lgamma_r(double, int *);

   360 /*

   361  * IEEE Test Vector

   362  */

   363 IMPORT_C double	significand(double);

   364 #endif /* __BSD_VISIBLE */

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

   367 #if __ISO_C_VISIBLE >= 1999

   368 IMPORT_C float	acosf(float);

   370 IMPORT_C float	acosf(float);

   371 IMPORT_C float	asinf(float);

   372 IMPORT_C float	atanf(float);

   373 IMPORT_C float	atan2f(float, float);

   374 IMPORT_C float	cosf(float);

   375 IMPORT_C float	sinf(float);

   376 IMPORT_C float	tanf(float);

   378 IMPORT_C float	coshf(float);

   379 IMPORT_C float	sinhf(float);

   380 IMPORT_C float	tanhf(float);

   381 IMPORT_C float	exp2f(float);

   382 IMPORT_C float	expf(float);

   383 IMPORT_C float	expm1f(float);

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

   385 IMPORT_C int	ilogbf(float) __pure2;

   386 #ifndef __SYMBIAN32__

   387 float	ldexpf(float, int);

   388 #endif //__SYMBIAN32__

   389 IMPORT_C float	log10f(float);

   390 IMPORT_C float	log1pf(float);

   391 IMPORT_C float	logf(float);

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

   394 IMPORT_C float	powf(float, float);

   395 IMPORT_C float	sqrtf(float);

   397 IMPORT_C float	ceilf(float);

   398 IMPORT_C float	fabsf(float) __pure2;

   399 IMPORT_C float	floorf(float);

   400 IMPORT_C float	fmodf(float, float);

   401 IMPORT_C float	roundf(float);

   403 IMPORT_C float	erff(float);

   404 IMPORT_C float	erfcf(float);

   405 IMPORT_C float	hypotf(float, float);

   406 IMPORT_C float	lgammaf(float);

   408 IMPORT_C float	acoshf(float);

   409 IMPORT_C float	asinhf(float);

   410 IMPORT_C float	atanhf(float);

   411 IMPORT_C float	cbrtf(float);

   412 IMPORT_C float	logbf(float);

   413 IMPORT_C float	copysignf(float, float) __pure2;

   414 IMPORT_C long long llrintf(float);

   415 IMPORT_C long long llroundf(float);

   416 IMPORT_C long	lrintf(float);

   417 IMPORT_C long	lroundf(float);

   418 IMPORT_C float	nearbyintf(float);

   419 IMPORT_C float	nextafterf(float, float);

   420 IMPORT_C float	remainderf(float, float);

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

   422 IMPORT_C float	rintf(float);

   423 IMPORT_C float	scalblnf(float, long);

   424 IMPORT_C float	scalbnf(float, int);

   425 IMPORT_C float	truncf(float);

   427 IMPORT_C float	fdimf(float, float);

   428 IMPORT_C float	fmaf(float, float, float);

   429 IMPORT_C float	fmaxf(float, float) __pure2;

   430 IMPORT_C float	fminf(float, float) __pure2;

   431 #endif

   433 /*

   434  * float versions of BSD math library entry points

   435  */

   436 #if __BSD_VISIBLE

   438 #ifdef __SYMBIAN_COMPILE_UNUSED__

   439 float	dremf(float, float);

   440 #endif

   442 IMPORT_C int	finitef(float) __pure2;

   443 IMPORT_C float	gammaf(float);

   444 IMPORT_C float	j0f(float);

   445 IMPORT_C float	j1f(float);

   446 IMPORT_C float	jnf(int, float);

   447 IMPORT_C float	scalbf(float, float);

   448 IMPORT_C float	y0f(float);

   449 IMPORT_C float	y1f(float);

   450 IMPORT_C float	ynf(int, float);

   452 /*

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

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

   455  * allocate space for signgam.

   456  */

   457 IMPORT_C float	lgammaf_r(float, int *);

   459 /*

   460  * float version of IEEE Test Vector

   461  */

   462 IMPORT_C float	significandf(float);

   463 #endif	/* __BSD_VISIBLE */

   465 /*

   466  * long double versions of ISO/POSIX math functions

   467  */

   468 #if __ISO_C_VISIBLE >= 1999

   469 #if 0

   470 long double	acoshl(long double);

   471 long double	acosl(long double);

   472 long double	asinhl(long double);

   473 long double	asinl(long double);

   474 long double	atan2l(long double, long double);

   475 long double	atanhl(long double);

   476 long double	atanl(long double);

   477 long double	cbrtl(long double);

   478 #endif

   479 #ifndef __SYMBIAN32__

   480 long double	ceill(long double);

   481 #endif //__SYMBIAN32__

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

   483 #if 0

   484 long double	coshl(long double);

   485 long double	cosl(long double);

   486 long double	erfcl(long double);

   487 long double	erfl(long double);

   488 long double	exp2l(long double);

   489 long double	expl(long double);

   490 long double	expm1l(long double);

   491 #endif

   492 IMPORT_C long double	fabsl(long double) __pure2;

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

   494 #ifndef __SYMBIAN32__

   495 long double	floorl(long double);

   496 long double	fmal(long double, long double, long double);

   497 #endif //__SYMBIAN32__

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

   499 #ifndef __SYMBIAN32__

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

   501 #endif //__SYMBIAN32__

   502 #if 0

   503 long double	fmodl(long double, long double);

   504 #endif

   505 #ifndef __SYMBIAN32__

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

   507 #endif //__SYMBIAN32__

   508 #if 0

   509 long double	hypotl(long double, long double);

   510 #endif

   511 IMPORT_C int		ilogbl(long double) __pure2;

   512 #ifndef __SYMBIAN32__

   513 long double	ldexpl(long double, int);

   514 #endif //__SYMBIAN32__

   515 #if 0

   516 long double	lgammal(long double);

   517 long long	llrintl(long double);

   518 #endif

   519 #ifndef __SYMBIAN32__

   520 long long	llroundl(long double);

   521 #endif //__SYMBIAN32__

   522 #if 0

   523 long double	log10l(long double);

   524 long double	log1pl(long double);

   525 long double	log2l(long double);

   526 long double	logbl(long double);

   527 long double	logl(long double);

   528 long		lrintl(long double);

   529 #endif

   530 #ifndef __SYMBIAN32__

   531 long		lroundl(long double);

   532 #endif //__SYMBIAN32__

   533 #if 0

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

   535 long double	nanl(const char *) __pure2;

   536 long double	nearbyintl(long double);

   537 #endif

   538 #ifndef __SYMBIAN32__

   539 long double	nextafterl(long double, long double);

   540 double		nexttoward(double, long double);

   541 #endif //__SYMBIAN32__

   542 IMPORT_C float		nexttowardf(float, long double);

   543 #ifndef __SYMBIAN32__

   544 long double	nexttowardl(long double, long double);

   545 #endif //__SYMBIAN32__

   546 #if 0

   547 long double	powl(long double, long double);

   548 long double	remainderl(long double, long double);

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

   550 long double	rintl(long double);

   551 #endif

   552 #ifndef __SYMBIAN32__

   553 long double	roundl(long double);

   554 #endif //__SYMBIAN32__

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

   556 #ifndef __SYMBIAN32__

   557 long double	scalbnl(long double, int);

   558 #endif //__SYMBIAN32__

   559 #if 0

   560 long double	sinhl(long double);

   561 long double	sinl(long double);

   562 long double	sqrtl(long double);

   563 long double	tanhl(long double);

   564 long double	tanl(long double);

   565 #endif

   566 IMPORT_C long double	truncl(long double);

   568 #endif /* __ISO_C_VISIBLE >= 1999 */

   569 __END_DECLS

   571 #endif /* !_MATH_H_ */

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--