newlib-cygwin/newlib/libc/include/math.h

625 lines
20 KiB
C
Raw Normal View History

2000-02-18 03:39:52 +08:00
#ifndef _MATH_H_
2000-02-18 03:39:52 +08:00
#define _MATH_H_
#include <sys/reent.h>
#include <sys/cdefs.h>
2000-02-18 03:39:52 +08:00
#include <machine/ieeefp.h>
#include "_ansi.h"
_BEGIN_STD_C
/* __dmath, __fmath, and __ldmath are only here for backwards compatibility
* in case any code used them. They are no longer used by Newlib, itself,
* other than legacy. */
2000-02-18 03:39:52 +08:00
union __dmath
{
double d;
__ULong i[2];
2000-02-18 03:39:52 +08:00
};
union __fmath
{
float f;
__ULong i[1];
};
#if defined(_HAVE_LONG_DOUBLE)
union __ldmath
{
long double ld;
__ULong i[4];
};
#endif
/* Natural log of 2 */
#define _M_LN2 0.693147180559945309417
#if __GNUC_PREREQ (3, 3)
/* gcc >= 3.3 implicitly defines builtins for HUGE_VALx values. */
# ifndef HUGE_VAL
# define HUGE_VAL (__builtin_huge_val())
# endif
# ifndef HUGE_VALF
# define HUGE_VALF (__builtin_huge_valf())
# endif
# ifndef HUGE_VALL
# define HUGE_VALL (__builtin_huge_vall())
# endif
# ifndef INFINITY
# define INFINITY (__builtin_inff())
# endif
# ifndef NAN
# define NAN (__builtin_nanf(""))
# endif
#else /* !gcc >= 3.3 */
/* No builtins. Use fixed defines instead. (All 3 HUGE plus the INFINITY
* and NAN macros are required to be constant expressions. Using a variable--
* even a static const--does not meet this requirement, as it cannot be
* evaluated at translation time.)
* The infinities are done using numbers that are far in excess of
* something that would be expected to be encountered in a floating-point
* implementation. (A more certain way uses values from float.h, but that is
* avoided because system includes are not supposed to include each other.)
* This method might produce warnings from some compilers. (It does in
* newer GCCs, but not for ones that would hit this #else.) If this happens,
* please report details to the Newlib mailing list. */
#ifndef HUGE_VAL
#define HUGE_VAL (1.0e999999999)
#endif
#ifndef HUGE_VALF
#define HUGE_VALF (1.0e999999999F)
#endif
#if !defined(HUGE_VALL) && defined(_HAVE_LONG_DOUBLE)
#define HUGE_VALL (1.0e999999999L)
#endif
#if !defined(INFINITY)
#define INFINITY (HUGE_VALF)
#endif
#if !defined(NAN)
#if defined(__GNUC__) && defined(__cplusplus)
/* Exception: older g++ versions warn about the divide by 0 used in the
* normal case (even though older gccs do not). This trick suppresses the
* warning, but causes errors for plain gcc, so is only used in the one
* special case. */
static const union { __ULong __i[1]; float __d; } __Nanf = {0x7FC00000};
#define NAN (__Nanf.__d)
#else
#define NAN (0.0F/0.0F)
#endif
#endif
2000-02-18 03:39:52 +08:00
#endif /* !gcc >= 3.3 */
2000-02-18 03:39:52 +08:00
/* Reentrant ANSI C functions. */
#ifndef __math_68881
extern double atan _PARAMS((double));
extern double cos _PARAMS((double));
extern double sin _PARAMS((double));
extern double tan _PARAMS((double));
extern double tanh _PARAMS((double));
extern double frexp _PARAMS((double, int *));
extern double modf _PARAMS((double, double *));
extern double ceil _PARAMS((double));
extern double fabs _PARAMS((double));
extern double floor _PARAMS((double));
#endif /* ! defined (__math_68881) */
/* Non reentrant ANSI C functions. */
#ifndef _REENT_ONLY
#ifndef __math_68881
2000-02-18 03:39:52 +08:00
extern double acos _PARAMS((double));
extern double asin _PARAMS((double));
extern double atan2 _PARAMS((double, double));
extern double cosh _PARAMS((double));
extern double sinh _PARAMS((double));
extern double exp _PARAMS((double));
extern double ldexp _PARAMS((double, int));
extern double log _PARAMS((double));
extern double log10 _PARAMS((double));
extern double pow _PARAMS((double, double));
extern double sqrt _PARAMS((double));
extern double fmod _PARAMS((double, double));
#endif /* ! defined (__math_68881) */
#endif /* ! defined (_REENT_ONLY) */
#if __ISO_C_VISIBLE >= 1999
2002-06-08 05:59:57 +08:00
/* ISO C99 types and macros. */
/* FIXME: FLT_EVAL_METHOD should somehow be gotten from float.h (which is hard,
* considering that the standard says the includes it defines should not
* include other includes that it defines) and that value used. (This can be
* solved, but autoconf has a bug which makes the solution more difficult, so
* it has been skipped for now.) */
#if !defined(FLT_EVAL_METHOD) && defined(__FLT_EVAL_METHOD__)
#define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
#define __TMP_FLT_EVAL_METHOD
2002-06-08 05:59:57 +08:00
#endif /* FLT_EVAL_METHOD */
#if defined FLT_EVAL_METHOD
#if FLT_EVAL_METHOD == 0
typedef float float_t;
typedef double double_t;
#elif FLT_EVAL_METHOD == 1
typedef double float_t;
typedef double double_t;
#elif FLT_EVAL_METHOD == 2
typedef long double float_t;
typedef long double double_t;
#else
/* Implementation-defined. Assume float_t and double_t have been
* defined previously for this configuration (e.g. config.h). */
#endif
#else
/* Assume basic definitions. */
typedef float float_t;
typedef double double_t;
#endif
#if defined(__TMP_FLT_EVAL_METHOD)
#undef FLT_EVAL_METHOD
#endif
2002-06-08 05:59:57 +08:00
#define FP_NAN 0
#define FP_INFINITE 1
#define FP_ZERO 2
#define FP_SUBNORMAL 3
#define FP_NORMAL 4
#ifndef FP_ILOGB0
# define FP_ILOGB0 (-INT_MAX)
#endif
#ifndef FP_ILOGBNAN
# define FP_ILOGBNAN INT_MAX
#endif
#ifndef MATH_ERRNO
# define MATH_ERRNO 1
#endif
#ifndef MATH_ERREXCEPT
# define MATH_ERREXCEPT 2
#endif
#ifndef math_errhandling
# define math_errhandling MATH_ERRNO
#endif
extern int __isinff (float x);
extern int __isinfd (double x);
extern int __isnanf (float x);
extern int __isnand (double x);
2002-06-08 05:59:57 +08:00
extern int __fpclassifyf (float x);
extern int __fpclassifyd (double x);
extern int __signbitf (float x);
extern int __signbitd (double x);
2002-06-08 05:59:57 +08:00
#define fpclassify(__x) \
((sizeof(__x) == sizeof(float)) ? __fpclassifyf(__x) : \
__fpclassifyd(__x))
2002-06-08 05:59:57 +08:00
#ifndef isfinite
#define isfinite(__y) \
(__extension__ ({int __cy = fpclassify(__y); \
__cy != FP_INFINITE && __cy != FP_NAN;}))
#endif
/* Note: isinf and isnan were once functions in newlib that took double
* arguments. C99 specifies that these names are reserved for macros
* supporting multiple floating point types. Thus, they are
* now defined as macros. Implementations of the old functions
* taking double arguments still exist for compatibility purposes
* (prototypes for them are in <ieeefp.h>). */
#ifndef isinf
#define isinf(y) (fpclassify(y) == FP_INFINITE)
#endif
#ifndef isnan
#define isnan(y) (fpclassify(y) == FP_NAN)
#endif
#define isnormal(y) (fpclassify(y) == FP_NORMAL)
#define signbit(__x) \
((sizeof(__x) == sizeof(float)) ? __signbitf(__x) : \
__signbitd(__x))
2002-06-08 05:59:57 +08:00
#define isgreater(x,y) \
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
!isunordered(__x,__y) && (__x > __y);}))
#define isgreaterequal(x,y) \
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
!isunordered(__x,__y) && (__x >= __y);}))
#define isless(x,y) \
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
!isunordered(__x,__y) && (__x < __y);}))
#define islessequal(x,y) \
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
!isunordered(__x,__y) && (__x <= __y);}))
#define islessgreater(x,y) \
(__extension__ ({__typeof__(x) __x = (x); __typeof__(y) __y = (y); \
!isunordered(__x,__y) && (__x < __y || __x > __y);}))
#define isunordered(a,b) \
(__extension__ ({__typeof__(a) __a = (a); __typeof__(b) __b = (b); \
fpclassify(__a) == FP_NAN || fpclassify(__b) == FP_NAN;}))
2002-06-08 05:59:57 +08:00
* libc/include/complex.h (cabsl): Add prototype. (cimagl): Add prototype. (creall): Add prototype. * libc/include/ieeefp.h: Include float.h. (EXT_EXPBITS, EXT_FRACHBITS, EXT_FRACLBITS) (EXT_EXP_INFNAN. EXT_EXP_BIAS, EXT_FRACBITS): Define. (struct ieee_ext, union ieee_ext_u): New types for long double support. * libc/include/math.h (finitel): Add prototype. (hypotl): Add prototype. (sqrtl): Add prototype. * libm/common/Makefile.am (lsrc): Add sl_finite.c. * libm/common/Makefile.in: Regenerate. * libm/common/fdlibm.h (__ieee754_hypotl): Add prototype. * libm/common/hypotl.c (hypotl): Add implementation for when long double is larger than double. * libm/common/sqrtl.c (sqrtl): Likewise. * libm/common/sl_finite.c: New file. Adds implementation of the finitel function. * libm/complex/Makefile.am (lsrc): Define. (libcomplex_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/complex/Makefile.in: Regenerate. * libm/complex/cabs.c: Add documentation of cabsl function. * libm/complex/cimag.c: Add documentation of cimagl function. * libm/complex/creall.c: Add documentation of creall function. * libm/complex/cabsl.c: New file. Adds implementation of the cabsl function. * libm/complex/cimagl.c: New file. Adds implementation of the cimagl function. * libm/complex/creall.c: New file. Adds implementation of the creall function. * libm/math/Makefile.am (lsrc): Define. (libmath_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/math/Makefile.in: Regenerate. * libm/math/el_hypot.c: New file. Adds implementation of the __ieee754_hypotl function.
2015-02-07 00:14:04 +08:00
/* Non ANSI long double precision functions. */
extern int finitel _PARAMS((long double));
2000-02-18 03:39:52 +08:00
/* Non ANSI double precision functions. */
extern double infinity _PARAMS((void));
extern double nan _PARAMS((const char *));
2000-02-18 03:39:52 +08:00
extern int finite _PARAMS((double));
extern double copysign _PARAMS((double, double));
extern double logb _PARAMS((double));
2000-02-18 03:39:52 +08:00
extern int ilogb _PARAMS((double));
extern double asinh _PARAMS((double));
extern double cbrt _PARAMS((double));
extern double nextafter _PARAMS((double, double));
extern double rint _PARAMS((double));
extern double scalbn _PARAMS((double, int));
2002-06-08 05:59:57 +08:00
extern double exp2 _PARAMS((double));
extern double scalbln _PARAMS((double, long int));
extern double tgamma _PARAMS((double));
extern double nearbyint _PARAMS((double));
extern long int lrint _PARAMS((double));
extern long long int llrint _PARAMS((double));
2002-06-08 05:59:57 +08:00
extern double round _PARAMS((double));
extern long int lround _PARAMS((double));
2009-03-25 Craig Howland <howland@LGSInnovations.com> * libc/include/math.h: (llround, llroundf): Declare. * libm/common/s_llround.c: New file, implementing llround(). * libm/common/sf_llround.c: New file, implementing llroundf(). * libm/common/sf_lround.c: Remove spurious cast in _DOUBLE_IS_32BITS version of function. * libm/common/sf_lrint.c: Ditto. * libm/common/sf_logb.c: Corrected return for subnormal argument by replacing existing function with a version created from sf_ilogb.c. * libm/common/s_logb.c: Ditto, except starting point s_ilogb.c. Also added documentation for logb() and logbf(). * libm/common/s_signbit.c: Add signbit() documentation. * libm/common/s_log2.c: Update return values to match what w_log2.c has, since log2 uses log(); add note about being derived instead of direct. * libm/common/sf_fma.c: Add casts to attempt to get correct results, as well as comments pointing out problems with the implementation. * libm/common/s_fma.c: Add fma() and fmaf() documentation. * libm/common/sf_remquo.c: Incorrect quotient returns for large values corrected by discarding existing function and replacing with Sun verion, with some enhancements. * libm/common/s_remquo.c: Ditto. Add remquo() and remquof() documentation. * libm/common/s_fmax.c: Add fmax() and fmaxf() documentation. * libm/common/s_fmin.c: Add fmin() and fminf() documentation. * libm/common/s_fdim.c: Return NAN for NAN arg, add fdim() and fdimf() documentation. * libm/common/sf_fdim.c: Return NAN for NAN arg, HUGE_VALF for inf arg. * libm/common/s_trunc.c: Add trunc() and truncf() documentation. * libm/common/s_rint.c: Add rint() and rintf() documentation. * libm/common/s_round.c: Add round() and roundf() documentation. * libm/common/s_scalbn.c: Add scalbln() and scalblnf() documentation. * libm/common/s_infinity.c: Add infinity() and infinityf() documentation. * libm/common/s_lround.c: Add lround(), lroundf(), llround(), and llroundf() documentation. * libm/common/s_lrint.c: Add lrint(), lrintf(), llrint(), and llrintf() documentation. * libm/common/isgreater.c: New file for documenting math.h function-like macros isgreater(), isgreaterequal(), isless(), islessequal(), islessgreater(), and isunordered(). * libm/common/s_isnan.c: Add documentation for function-like macros fpclassify(), isfinite(), isinf(), isnan(), and isnormal(). * libm/common/s_nearbyint.c: Add nearbyint() and nearbyintf() documentation. * libm/common/Makefile.am: Add s_llround.c (src); sf_llround.c (fsrc); s_fdim.def, s_fma.def, s_fmax.def, s_fmin.def, s_logb.def, s_lrint.def, s_lround.def, s_nearbyint.def, s_remquo.def, s_rint.def, s_round.def, s_signbit.def, s_trunc.def, and isgreater.def (chobj); re-name all existing chew files (chobj) to match source file base names (put in underscores), delete all special targets for chew files (leaving all to be generated by rule). * libm/common/Makefile.in: regenerate. * libm/math/w_exp2.c: Add "base 2" to documentation description (and delete TRAD_SYNOPSIS). * libm/math/w_gamma.c: Add tgamma() and tgammaf() documentation, along with some history behind the function names. * libm/math/math.tex: Add includes for newly-added documentation (see .def additions to common/Makefile.am and math/Makefile.am in this ChangeLog list), adjusted existing .def file names to match source file base names (added underscores); add mention of HUGE_VALF; rename "Version of library" section to "Error Handling" and add some text about floating-point exception; added section "Standards Compliance And Portability". * libm/math/Makefile.am: Add w_exp2.def (chobj); re-name all existing chew files (chobj) to match source file base names, delete all special targets for chew files (leaving all to be generated by rule). * libm/math/Makefile.in: regenerated * doc/makedoc.c: Change silent ignoring of commands < 5 characters to a failure when reading macro file for commands < 4 characters; add -v (verbose) option for printing some debugging information; get rid of spurious translation of "@*" to "*" (no source files used @*, so no existing doc pages were affected); clean up some compiler warnings. * doc/doc.str: add BUGS and SEEALSO sections (to match texi2pod.pl which has them); Remove ITEM command (redundant with makedoc built-in "o", not used in any present source file so nothing is lost, anyway). * HOWTO: New file to hold information for maintainers regarding how to do things. Initial sections on documentation and ELIX levels.
2009-03-26 03:13:24 +08:00
extern long long int llround _PARAMS((double));
2002-06-08 05:59:57 +08:00
extern double trunc _PARAMS((double));
extern double remquo _PARAMS((double, double, int *));
extern double fdim _PARAMS((double, double));
extern double fmax _PARAMS((double, double));
extern double fmin _PARAMS((double, double));
extern double fma _PARAMS((double, double, double));
2000-02-18 03:39:52 +08:00
#ifndef __math_68881
extern double log1p _PARAMS((double));
extern double expm1 _PARAMS((double));
#endif /* ! defined (__math_68881) */
#ifndef _REENT_ONLY
extern double acosh _PARAMS((double));
extern double atanh _PARAMS((double));
extern double remainder _PARAMS((double, double));
extern double gamma _PARAMS((double));
extern double lgamma _PARAMS((double));
extern double erf _PARAMS((double));
extern double erfc _PARAMS((double));
extern double log2 _PARAMS((double));
#if !defined(__cplusplus)
#define log2(x) (log (x) / _M_LN2)
#endif
2000-02-18 03:39:52 +08:00
#ifndef __math_68881
extern double hypot _PARAMS((double, double));
#endif
#endif /* ! defined (_REENT_ONLY) */
/* Single precision versions of ANSI functions. */
extern float atanf _PARAMS((float));
extern float cosf _PARAMS((float));
extern float sinf _PARAMS((float));
extern float tanf _PARAMS((float));
extern float tanhf _PARAMS((float));
extern float frexpf _PARAMS((float, int *));
extern float modff _PARAMS((float, float *));
extern float ceilf _PARAMS((float));
extern float fabsf _PARAMS((float));
extern float floorf _PARAMS((float));
#ifndef _REENT_ONLY
extern float acosf _PARAMS((float));
extern float asinf _PARAMS((float));
extern float atan2f _PARAMS((float, float));
extern float coshf _PARAMS((float));
extern float sinhf _PARAMS((float));
extern float expf _PARAMS((float));
extern float ldexpf _PARAMS((float, int));
extern float logf _PARAMS((float));
extern float log10f _PARAMS((float));
extern float powf _PARAMS((float, float));
extern float sqrtf _PARAMS((float));
extern float fmodf _PARAMS((float, float));
#endif /* ! defined (_REENT_ONLY) */
/* Other single precision functions. */
2002-06-08 05:59:57 +08:00
extern float exp2f _PARAMS((float));
extern float scalblnf _PARAMS((float, long int));
extern float tgammaf _PARAMS((float));
extern float nearbyintf _PARAMS((float));
extern long int lrintf _PARAMS((float));
extern long long int llrintf _PARAMS((float));
2002-06-08 05:59:57 +08:00
extern float roundf _PARAMS((float));
extern long int lroundf _PARAMS((float));
2009-03-25 Craig Howland <howland@LGSInnovations.com> * libc/include/math.h: (llround, llroundf): Declare. * libm/common/s_llround.c: New file, implementing llround(). * libm/common/sf_llround.c: New file, implementing llroundf(). * libm/common/sf_lround.c: Remove spurious cast in _DOUBLE_IS_32BITS version of function. * libm/common/sf_lrint.c: Ditto. * libm/common/sf_logb.c: Corrected return for subnormal argument by replacing existing function with a version created from sf_ilogb.c. * libm/common/s_logb.c: Ditto, except starting point s_ilogb.c. Also added documentation for logb() and logbf(). * libm/common/s_signbit.c: Add signbit() documentation. * libm/common/s_log2.c: Update return values to match what w_log2.c has, since log2 uses log(); add note about being derived instead of direct. * libm/common/sf_fma.c: Add casts to attempt to get correct results, as well as comments pointing out problems with the implementation. * libm/common/s_fma.c: Add fma() and fmaf() documentation. * libm/common/sf_remquo.c: Incorrect quotient returns for large values corrected by discarding existing function and replacing with Sun verion, with some enhancements. * libm/common/s_remquo.c: Ditto. Add remquo() and remquof() documentation. * libm/common/s_fmax.c: Add fmax() and fmaxf() documentation. * libm/common/s_fmin.c: Add fmin() and fminf() documentation. * libm/common/s_fdim.c: Return NAN for NAN arg, add fdim() and fdimf() documentation. * libm/common/sf_fdim.c: Return NAN for NAN arg, HUGE_VALF for inf arg. * libm/common/s_trunc.c: Add trunc() and truncf() documentation. * libm/common/s_rint.c: Add rint() and rintf() documentation. * libm/common/s_round.c: Add round() and roundf() documentation. * libm/common/s_scalbn.c: Add scalbln() and scalblnf() documentation. * libm/common/s_infinity.c: Add infinity() and infinityf() documentation. * libm/common/s_lround.c: Add lround(), lroundf(), llround(), and llroundf() documentation. * libm/common/s_lrint.c: Add lrint(), lrintf(), llrint(), and llrintf() documentation. * libm/common/isgreater.c: New file for documenting math.h function-like macros isgreater(), isgreaterequal(), isless(), islessequal(), islessgreater(), and isunordered(). * libm/common/s_isnan.c: Add documentation for function-like macros fpclassify(), isfinite(), isinf(), isnan(), and isnormal(). * libm/common/s_nearbyint.c: Add nearbyint() and nearbyintf() documentation. * libm/common/Makefile.am: Add s_llround.c (src); sf_llround.c (fsrc); s_fdim.def, s_fma.def, s_fmax.def, s_fmin.def, s_logb.def, s_lrint.def, s_lround.def, s_nearbyint.def, s_remquo.def, s_rint.def, s_round.def, s_signbit.def, s_trunc.def, and isgreater.def (chobj); re-name all existing chew files (chobj) to match source file base names (put in underscores), delete all special targets for chew files (leaving all to be generated by rule). * libm/common/Makefile.in: regenerate. * libm/math/w_exp2.c: Add "base 2" to documentation description (and delete TRAD_SYNOPSIS). * libm/math/w_gamma.c: Add tgamma() and tgammaf() documentation, along with some history behind the function names. * libm/math/math.tex: Add includes for newly-added documentation (see .def additions to common/Makefile.am and math/Makefile.am in this ChangeLog list), adjusted existing .def file names to match source file base names (added underscores); add mention of HUGE_VALF; rename "Version of library" section to "Error Handling" and add some text about floating-point exception; added section "Standards Compliance And Portability". * libm/math/Makefile.am: Add w_exp2.def (chobj); re-name all existing chew files (chobj) to match source file base names, delete all special targets for chew files (leaving all to be generated by rule). * libm/math/Makefile.in: regenerated * doc/makedoc.c: Change silent ignoring of commands < 5 characters to a failure when reading macro file for commands < 4 characters; add -v (verbose) option for printing some debugging information; get rid of spurious translation of "@*" to "*" (no source files used @*, so no existing doc pages were affected); clean up some compiler warnings. * doc/doc.str: add BUGS and SEEALSO sections (to match texi2pod.pl which has them); Remove ITEM command (redundant with makedoc built-in "o", not used in any present source file so nothing is lost, anyway). * HOWTO: New file to hold information for maintainers regarding how to do things. Initial sections on documentation and ELIX levels.
2009-03-26 03:13:24 +08:00
extern long long int llroundf _PARAMS((float));
2002-06-08 05:59:57 +08:00
extern float truncf _PARAMS((float));
extern float remquof _PARAMS((float, float, int *));
extern float fdimf _PARAMS((float, float));
extern float fmaxf _PARAMS((float, float));
extern float fminf _PARAMS((float, float));
extern float fmaf _PARAMS((float, float, float));
2000-02-18 03:39:52 +08:00
extern float infinityf _PARAMS((void));
extern float nanf _PARAMS((const char *));
2000-02-18 03:39:52 +08:00
extern int finitef _PARAMS((float));
extern float copysignf _PARAMS((float, float));
extern float logbf _PARAMS((float));
2000-02-18 03:39:52 +08:00
extern int ilogbf _PARAMS((float));
extern float asinhf _PARAMS((float));
extern float cbrtf _PARAMS((float));
extern float nextafterf _PARAMS((float, float));
extern float rintf _PARAMS((float));
extern float scalbnf _PARAMS((float, int));
extern float log1pf _PARAMS((float));
extern float expm1f _PARAMS((float));
2000-02-18 03:39:52 +08:00
#ifndef _REENT_ONLY
extern float acoshf _PARAMS((float));
extern float atanhf _PARAMS((float));
extern float remainderf _PARAMS((float, float));
extern float gammaf _PARAMS((float));
extern float lgammaf _PARAMS((float));
extern float erff _PARAMS((float));
extern float erfcf _PARAMS((float));
extern float log2f _PARAMS((float));
extern float hypotf _PARAMS((float, float));
#endif /* ! defined (_REENT_ONLY) */
/* On platforms where long double equals double. */
#ifdef _LDBL_EQ_DBL
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
/* Reentrant ANSI C functions. */
#ifndef __math_68881
extern long double atanl _PARAMS((long double));
extern long double cosl _PARAMS((long double));
extern long double sinl _PARAMS((long double));
extern long double tanl _PARAMS((long double));
extern long double tanhl _PARAMS((long double));
extern long double frexpl _PARAMS((long double, int *));
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
extern long double modfl _PARAMS((long double, long double *));
extern long double ceill _PARAMS((long double));
extern long double fabsl _PARAMS((long double));
extern long double floorl _PARAMS((long double));
extern long double log1pl _PARAMS((long double));
extern long double expm1l _PARAMS((long double));
#endif /* ! defined (__math_68881) */
/* Non reentrant ANSI C functions. */
#ifndef _REENT_ONLY
#ifndef __math_68881
extern long double acosl _PARAMS((long double));
extern long double asinl _PARAMS((long double));
extern long double atan2l _PARAMS((long double, long double));
extern long double coshl _PARAMS((long double));
extern long double sinhl _PARAMS((long double));
extern long double expl _PARAMS((long double));
extern long double ldexpl _PARAMS((long double, int));
extern long double logl _PARAMS((long double));
extern long double log10l _PARAMS((long double));
extern long double powl _PARAMS((long double, long double));
extern long double sqrtl _PARAMS((long double));
extern long double fmodl _PARAMS((long double, long double));
extern long double hypotl _PARAMS((long double, long double));
#endif /* ! defined (__math_68881) */
#endif /* ! defined (_REENT_ONLY) */
extern long double copysignl _PARAMS((long double, long double));
extern long double nanl _PARAMS((const char *));
extern int ilogbl _PARAMS((long double));
extern long double asinhl _PARAMS((long double));
extern long double cbrtl _PARAMS((long double));
extern long double nextafterl _PARAMS((long double, long double));
extern float nexttowardf _PARAMS((float, long double));
extern double nexttoward _PARAMS((double, long double));
extern long double nexttowardl _PARAMS((long double, long double));
extern long double logbl _PARAMS((long double));
extern long double log2l _PARAMS((long double));
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
extern long double rintl _PARAMS((long double));
extern long double scalbnl _PARAMS((long double, int));
extern long double exp2l _PARAMS((long double));
extern long double scalblnl _PARAMS((long double, long));
extern long double tgammal _PARAMS((long double));
extern long double nearbyintl _PARAMS((long double));
extern long int lrintl _PARAMS((long double));
extern long long int llrintl _PARAMS((long double));
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
extern long double roundl _PARAMS((long double));
extern long lroundl _PARAMS((long double));
extern long long int llroundl _PARAMS((long double));
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
extern long double truncl _PARAMS((long double));
extern long double remquol _PARAMS((long double, long double, int *));
extern long double fdiml _PARAMS((long double, long double));
extern long double fmaxl _PARAMS((long double, long double));
extern long double fminl _PARAMS((long double, long double));
extern long double fmal _PARAMS((long double, long double, long double));
#ifndef _REENT_ONLY
extern long double acoshl _PARAMS((long double));
extern long double atanhl _PARAMS((long double));
extern long double remainderl _PARAMS((long double, long double));
extern long double lgammal _PARAMS((long double));
extern long double erfl _PARAMS((long double));
extern long double erfcl _PARAMS((long double));
#endif /* ! defined (_REENT_ONLY) */
#else /* !_LDBL_EQ_DBL */
* libc/include/complex.h (cabsl): Add prototype. (cimagl): Add prototype. (creall): Add prototype. * libc/include/ieeefp.h: Include float.h. (EXT_EXPBITS, EXT_FRACHBITS, EXT_FRACLBITS) (EXT_EXP_INFNAN. EXT_EXP_BIAS, EXT_FRACBITS): Define. (struct ieee_ext, union ieee_ext_u): New types for long double support. * libc/include/math.h (finitel): Add prototype. (hypotl): Add prototype. (sqrtl): Add prototype. * libm/common/Makefile.am (lsrc): Add sl_finite.c. * libm/common/Makefile.in: Regenerate. * libm/common/fdlibm.h (__ieee754_hypotl): Add prototype. * libm/common/hypotl.c (hypotl): Add implementation for when long double is larger than double. * libm/common/sqrtl.c (sqrtl): Likewise. * libm/common/sl_finite.c: New file. Adds implementation of the finitel function. * libm/complex/Makefile.am (lsrc): Define. (libcomplex_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/complex/Makefile.in: Regenerate. * libm/complex/cabs.c: Add documentation of cabsl function. * libm/complex/cimag.c: Add documentation of cimagl function. * libm/complex/creall.c: Add documentation of creall function. * libm/complex/cabsl.c: New file. Adds implementation of the cabsl function. * libm/complex/cimagl.c: New file. Adds implementation of the cimagl function. * libm/complex/creall.c: New file. Adds implementation of the creall function. * libm/math/Makefile.am (lsrc): Define. (libmath_la_SOURCES): Add lsrc. (lib_a_SOURCES): Add lsrc. * libm/math/Makefile.in: Regenerate. * libm/math/el_hypot.c: New file. Adds implementation of the __ieee754_hypotl function.
2015-02-07 00:14:04 +08:00
extern long double hypotl _PARAMS((long double, long double));
extern long double sqrtl _PARAMS((long double));
#ifdef __i386__
2009-04-16 Ken Werner <ken.werner@de.ibm.com> * libm/libm.texinfo: Add long double function support chapter. * libc/include/machine/ieeefp.h: Add _LDBL_EQ_DBL define. * libc/include/stdlib.h: Include <machine/ieeefp.h>. (strtold, wcstold): Declare. * libc/stdlib/strtold.c: New File. * libc/stdlib/wcstold.c: Likewise. * libc/configure.in: Add long double check. * libc/configure: Regenerate. * libc/stdlib/Makefile.am: Add strtold.c and wcstold.c. * libc/stdlib/Makefile.in: Regenerate. * libc/include/math.h (atanl, cosl, sinl, tanl, tanhl): Declare. (frexpl, modfl, ceill, fabsl, floorl, log1pl, expm1l, acosl): Ditto. (asinl, atan2l, coshl, sinhl, expl, ldexpl, logl, log10l, powl): Ditto. (sqrtl, fmodl, hypotl, copysignl, nanl, ilogbl, asinhl, cbrt): Ditto. (nextafterl, rintl, scalbnl, exp2l, scalblnl, tgammal): Ditto. (nearbyintl, lrintl, llrintl, roundl, lroundl, llround): Ditto. (llroundl, truncl, remquol, fdiml, fmaxl, fminl, fmal, acoshl): Ditto. (atanhl, remainderl, lgammal, erfl, erfcl): Ditto. * libm/common/atanl.c: New File. * libm/common/cosl.c: Likewise. * libm/common/sinl.c: Likewise. * libm/common/modfl.c: Likewise. * libm/common/frexpl.c: Likewise. * libm/common/tanhl.c: Likewise. * libm/common/tanl.c: Likewise. * libm/common/expm1l.c: Likewise. * libm/common/log1pl.c: Likewise. * libm/common/ceill.c: Likewise. * libm/common/fabsl.c: Likewise. * libm/common/floorl.c: Likewise. * libm/common/acosl.c: Likewise. * libm/common/asinl.c: Likewise. * libm/common/atan2l.c: Likewise. * libm/common/coshl.c: Likewise. * libm/common/expl.c: Likewise. * libm/common/fmodl.c: Likewise. * libm/common/hypotl.c: Likewise. * libm/common/ldexpl.c: Likewise. * libm/common/log10l.c: Likewise. * libm/common/logl.c: Likewise. * libm/common/powl.c: Likewise. * libm/common/sqrtl.c: Likewise. * libm/common/copysignl.c: Likewise. * libm/common/ilogbl.c: Likewise. * libm/common/nanl.c: Likewise. * libm/common/cbrtl.c: Likewise. * libm/common/asinhl.c: Likewise. * libm/common/nextafterl.c: Likewise. * libm/common/rintl.c: Likewise. * libm/common/scalbnl.c: Likewise. * libm/common/exp2l.c: Likewise. * libm/common/fdiml.c: Likewise. * libm/common/fmal.c: Likewise. * libm/common/fmaxl.c: Likewise. * libm/common/fminl.c: Likewise. * libm/common/lrintl.c: Likewise. * libm/common/lroundl.c: Likewise. * libm/common/nearbyintl.c: Likewise. * libm/common/remquol.c: Likewise. * libm/common/roundl.c: Likewise. * libm/common/scalblnl.c: Likewise. * libm/common/truncl.c: Likewise. * libm/common/acoshl.c: Likewise. * libm/common/atanhl.c: Likewise. * libm/common/erfcl.c: Likewise. * libm/common/erfl.c: Likewise. * libm/common/lgammal.c: Likewise. * libm/common/remainderl.c: Likewise. * libm/common/tgammal.c: Likewise. * libm/common/sinhl.c: Likewise. * libm/common/llroundl.c: Likewise. * libm/configure.in: Add long double check. * libm/configure: Regenerate. * libm/common/Makefile.am: Add new files. * libm/common/Makefile.in: Regenerate.
2009-04-17 02:24:35 +08:00
/* Other long double precision functions. */
extern _LONG_DOUBLE rintl _PARAMS((_LONG_DOUBLE));
extern long int lrintl _PARAMS((_LONG_DOUBLE));
extern long long int llrintl _PARAMS((_LONG_DOUBLE));
#endif /* __i386__ */
#endif /* !_LDBL_EQ_DBL */
#endif /* __ISO_C_VISIBLE >= 1999 */
#if __MISC_VISIBLE
extern double drem _PARAMS((double, double));
extern float dremf _PARAMS((float, float));
extern double gamma_r _PARAMS((double, int *));
extern double lgamma_r _PARAMS((double, int *));
extern float gammaf_r _PARAMS((float, int *));
extern float lgammaf_r _PARAMS((float, int *));
#endif
#if __MISC_VISIBLE || __XSI_VISIBLE
extern double y0 _PARAMS((double));
extern double y1 _PARAMS((double));
extern double yn _PARAMS((int, double));
extern double j0 _PARAMS((double));
extern double j1 _PARAMS((double));
extern double jn _PARAMS((int, double));
#endif
#if __MISC_VISIBLE || __XSI_VISIBLE >= 600
2000-02-18 03:39:52 +08:00
extern float y0f _PARAMS((float));
extern float y1f _PARAMS((float));
extern float ynf _PARAMS((int, float));
extern float j0f _PARAMS((float));
extern float j1f _PARAMS((float));
extern float jnf _PARAMS((int, float));
#endif
2000-02-18 03:39:52 +08:00
/* GNU extensions */
#if __GNU_VISIBLE
extern void sincos _PARAMS((double, double *, double *));
extern void sincosf _PARAMS((float, float *, float *));
# ifndef exp10
extern double exp10 _PARAMS((double));
# endif
# ifndef pow10
extern double pow10 _PARAMS((double));
# endif
# ifndef exp10f
extern float exp10f _PARAMS((float));
# endif
# ifndef pow10f
extern float pow10f _PARAMS((float));
# endif
#endif /* __GNU_VISIBLE */
2000-02-18 03:39:52 +08:00
#if __MISC_VISIBLE || __XSI_VISIBLE
2000-02-18 03:39:52 +08:00
/* The gamma functions use a global variable, signgam. */
#ifndef _REENT_ONLY
#define signgam (*__signgam())
extern int *__signgam _PARAMS((void));
#endif /* ! defined (_REENT_ONLY) */
2000-02-18 03:39:52 +08:00
#define __signgam_r(ptr) _REENT_SIGNGAM(ptr)
#endif /* __MISC_VISIBLE || __XSI_VISIBLE */
2000-02-18 03:39:52 +08:00
#if __SVID_VISIBLE
2000-02-18 03:39:52 +08:00
/* The exception structure passed to the matherr routine. */
/* We have a problem when using C++ since `exception' is a reserved
name in C++. */
2000-02-18 03:39:52 +08:00
#ifdef __cplusplus
struct __exception
2000-02-18 03:39:52 +08:00
#else
struct exception
2000-02-18 03:39:52 +08:00
#endif
{
int type;
char *name;
double arg1;
double arg2;
double retval;
int err;
};
#ifdef __cplusplus
extern int matherr _PARAMS((struct __exception *e));
#else
extern int matherr _PARAMS((struct exception *e));
#endif
/* Values for the type field of struct exception. */
#define DOMAIN 1
#define SING 2
#define OVERFLOW 3
#define UNDERFLOW 4
#define TLOSS 5
#define PLOSS 6
#endif /* __SVID_VISIBLE */
2000-02-18 03:39:52 +08:00
/* Useful constants. */
#if __BSD_VISIBLE || __XSI_VISIBLE >= 500
#define MAXFLOAT 3.40282347e+38F
2000-02-18 03:39:52 +08:00
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
2000-02-18 03:39:52 +08:00
#define M_LOG10E 0.43429448190325182765
#define M_LN2 _M_LN2
2000-02-18 03:39:52 +08:00
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
#define M_1_PI 0.31830988618379067154
#define M_2_PI 0.63661977236758134308
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT1_2 0.70710678118654752440
#endif
#if __BSD_VISIBLE
#define M_TWOPI (M_PI * 2.0)
#define M_3PI_4 2.3561944901923448370E0
#define M_SQRTPI 1.77245385090551602792981
2000-02-18 03:39:52 +08:00
#define M_LN2LO 1.9082149292705877000E-10
#define M_LN2HI 6.9314718036912381649E-1
#define M_SQRT3 1.73205080756887719000
2000-02-18 03:39:52 +08:00
#define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */
#define M_LOG2_E _M_LN2
2000-02-18 03:39:52 +08:00
#define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */
/* Global control over fdlibm error handling. */
enum __fdlibm_version
{
__fdlibm_ieee = -1,
__fdlibm_svid,
__fdlibm_xopen,
__fdlibm_posix
};
#define _LIB_VERSION_TYPE enum __fdlibm_version
#define _LIB_VERSION __fdlib_version
extern __IMPORT _LIB_VERSION_TYPE _LIB_VERSION;
2000-02-18 03:39:52 +08:00
#define _IEEE_ __fdlibm_ieee
#define _SVID_ __fdlibm_svid
#define _XOPEN_ __fdlibm_xopen
#define _POSIX_ __fdlibm_posix
#endif /* __BSD_VISIBLE */
2000-02-18 03:39:52 +08:00
_END_STD_C
2000-02-18 03:39:52 +08:00
#ifdef __FAST_MATH__
#include <machine/fastmath.h>
#endif
#endif /* _MATH_H_ */