epoc32/include/stdapis/math.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
equal deleted inserted replaced
1:666f914201fb 2:2fe1408b6811
     1 math.h
     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  */
       
    16 
       
    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  */
       
    21 
       
    22 #ifndef _MATH_H_
       
    23 #define	_MATH_H_
       
    24 
       
    25 
       
    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__
       
    44 
       
    45 #ifdef __SYMBIAN32__
       
    46 #include <_ansi.h>
       
    47 #endif //__SYMBIAN32__
       
    48 
       
    49 #include <sys/cdefs.h>
       
    50 #include <sys/_types.h>
       
    51 #include <machine/_limits.h>
       
    52 
       
    53 #ifdef  __SYMBIAN32__
       
    54 #include <libm_aliases.h>
       
    55 #endif  //__SYMBIAN32__
       
    56 #ifdef __SYMBIAN32__
       
    57 #include "signgam.h"
       
    58 
       
    59 // IEC 559 math functionality
       
    60 #define __STDC_IEC_559__		1
       
    61 #endif //__SYMBIAN32__
       
    62 
       
    63 /*
       
    64  * ANSI/POSIX
       
    65  */
       
    66 #ifndef __SYMBIAN32__
       
    67 extern const union __infinity_un {
       
    68 	unsigned char	__uc[8];
       
    69 	double		__ud;
       
    70 } __infinity;
       
    71 
       
    72 extern const union __nan_un {
       
    73 	unsigned char	__uc[sizeof(float)];
       
    74 	float		__uf;
       
    75 } __nan;
       
    76 #endif //__SYMBIAN32__
       
    77 
       
    78 #if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
       
    79 #define	__MATH_BUILTIN_CONSTANTS
       
    80 #endif
       
    81 
       
    82 #if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER)
       
    83 #define	__MATH_BUILTIN_RELOPS
       
    84 #endif
       
    85 
       
    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__
       
    95 
       
    96 #if __ISO_C_VISIBLE >= 1999
       
    97 #define	FP_ILOGB0	(-__INT_MAX)
       
    98 #define	FP_ILOGBNAN	__INT_MAX
       
    99 
       
   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 */
       
   115 
       
   116 #define	MATH_ERRNO	1
       
   117 #define	MATH_ERREXCEPT	2
       
   118 #define	math_errhandling	MATH_ERREXCEPT
       
   119 
       
   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
       
   128 
       
   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
       
   135 
       
   136 #define	fpclassify(x) \
       
   137     ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \
       
   138     : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \
       
   139     : __fpclassifyl(x))
       
   140 
       
   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))
       
   157 
       
   158 
       
   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 */
       
   175 
       
   176 #define	signbit(x)					\
       
   177     ((sizeof (x) == sizeof (float)) ? __signbitf(x)	\
       
   178     : (sizeof (x) == sizeof (double)) ? __signbit(x)	\
       
   179     : __signbitl(x))
       
   180 
       
   181 typedef	__double_t	double_t;
       
   182 typedef	__float_t	float_t;
       
   183 #endif /* __ISO_C_VISIBLE >= 1999 */
       
   184 
       
   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) */
       
   202 
       
   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 */
       
   212 
       
   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 */
       
   221 
       
   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);
       
   234 
       
   235 IMPORT_C double nanval(void );
       
   236 IMPORT_C float  nanvalf(void );
       
   237 #endif //__SYMBIAN32__
       
   238 
       
   239 
       
   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;
       
   260 
       
   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);
       
   268 
       
   269 IMPORT_C double	cosh(double);
       
   270 IMPORT_C double	sinh(double);
       
   271 IMPORT_C double	tanh(double);
       
   272 
       
   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 */
       
   279 
       
   280 IMPORT_C double	pow(double, double);
       
   281 IMPORT_C double	sqrt(double);
       
   282 
       
   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);
       
   287 
       
   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);
       
   302 
       
   303 
       
   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 */
       
   321 
       
   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);
       
   330 
       
   331 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
       
   332 IMPORT_C double	gamma(double);
       
   333 #endif
       
   334 #endif /* __BSD_VISIBLE || __XSI_VISIBLE */
       
   335 
       
   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
       
   347 
       
   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;
       
   355 
       
   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 *);
       
   361 
       
   362 /*
       
   363  * IEEE Test Vector
       
   364  */
       
   365 IMPORT_C double	significand(double);
       
   366 #endif /* __BSD_VISIBLE */
       
   367 
       
   368 /* float versions of ANSI/POSIX functions */
       
   369 #if __ISO_C_VISIBLE >= 1999
       
   370 IMPORT_C float	acosf(float);
       
   371 
       
   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);
       
   379 
       
   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 */
       
   395 
       
   396 IMPORT_C float	powf(float, float);
       
   397 IMPORT_C float	sqrtf(float);
       
   398 
       
   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);
       
   404 
       
   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);
       
   409 
       
   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);
       
   428 
       
   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
       
   434 
       
   435 /*
       
   436  * float versions of BSD math library entry points
       
   437  */
       
   438 #if __BSD_VISIBLE
       
   439 
       
   440 #ifdef __SYMBIAN_COMPILE_UNUSED__
       
   441 float	dremf(float, float);
       
   442 #endif
       
   443 
       
   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);
       
   453 
       
   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 *);
       
   460 
       
   461 /*
       
   462  * float version of IEEE Test Vector
       
   463  */
       
   464 IMPORT_C float	significandf(float);
       
   465 #endif	/* __BSD_VISIBLE */
       
   466 
       
   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);
       
   569 
       
   570 #endif /* __ISO_C_VISIBLE >= 1999 */
       
   571 __END_DECLS
       
   572 
       
   573 #endif /* !_MATH_H_ */