-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Declarations for math functions.
+ Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/*
- * ANSI Standard: 4.5 MATHEMATICS <math.h>
+ * ISO C Standard: 4.5 MATHEMATICS <math.h>
*/
#ifndef _MATH_H
-
#define _MATH_H 1
-#include <features.h>
+#include <features.h>
-#define __need_Emath
-#include <errno.h>
+__BEGIN_DECLS
-/* Get machine-dependent HUGE_VAL value (returned on overflow). */
-#include <huge_val.h>
+/* Get machine-dependent HUGE_VAL value (returned on overflow).
+ On all IEEE754 machines, this is +Infinity. */
+#include <bits/huge_val.h>
/* Get machine-dependent NAN value (returned for some domain errors). */
-#ifdef __USE_GNU
-#include <nan.h>
+#ifdef __USE_ISOC9X
+# include <bits/nan.h>
#endif
-#ifndef __CONSTVALUE
-#ifdef __GNUC__
-/* The `const' keyword tells GCC that a function's return value is
- based solely on its arguments, and there are no side-effects. */
-#define __CONSTVALUE __const
-#else
-#define __CONSTVALUE
-#endif /* GCC. */
-#endif /* __CONSTVALUE not defined. */
-
-
-/* Trigonometric functions. */
-
-/* Arc cosine of X. */
-extern __CONSTVALUE double EXFUN(acos, (double __x));
-/* Arc sine of X. */
-extern __CONSTVALUE double EXFUN(asin, (double __x));
-/* Arc tangent of X. */
-extern __CONSTVALUE double EXFUN(atan, (double __x));
-/* Arc tangent of Y/X. */
-extern __CONSTVALUE double EXFUN(atan2, (double __y, double __x));
-
-/* Cosine of X. */
-extern __CONSTVALUE double EXFUN(cos, (double __x));
-/* Sine of X. */
-extern __CONSTVALUE double EXFUN(sin, (double __x));
-/* Tangent of X. */
-extern __CONSTVALUE double EXFUN(tan, (double __x));
-
-
-/* Hyperbolic functions. */
-
-/* Hyperbolic cosine of X. */
-extern __CONSTVALUE double EXFUN(cosh, (double __x));
-/* Hyperbolic sine of X. */
-extern __CONSTVALUE double EXFUN(sinh, (double __x));
-/* Hyperbolic tangent of X. */
-extern __CONSTVALUE double EXFUN(tanh, (double __x));
-
-#ifdef __USE_MISC
-/* Hyperbolic arc cosine of X. */
-extern __CONSTVALUE double EXFUN(acosh, (double __x));
-/* Hyperbolic arc sine of X. */
-extern __CONSTVALUE double EXFUN(asinh, (double __x));
-/* Hyperbolic arc tangent of X. */
-extern __CONSTVALUE double EXFUN(atanh, (double __x));
+/* The file <bits/mathcalls.h> contains the prototypes for all the
+ actual math functions. These macros are used for those prototypes,
+ so we can easily declare each function as both `name' and `__name',
+ and can declare the float versions `namef' and `__namef'. */
+
+#define __MATHCALL(function,suffix, args) \
+ __MATHDECL (_Mdouble_,function,suffix, args)
+#define __MATHDECL(type, function,suffix, args) \
+ __MATHDECL_1(type, function,suffix, args); \
+ __MATHDECL_1(type, __CONCAT(__,function),suffix, args)
+#define __MATHCALLX(function,suffix, args, attrib) \
+ __MATHDECLX (_Mdouble_,function,suffix, args, attrib)
+#define __MATHDECLX(type, function,suffix, args, attrib) \
+ __MATHDECL_1(type, function,suffix, args) __attribute__ (attrib); \
+ __MATHDECL_1(type, __CONCAT(__,function),suffix, args) __attribute__ (attrib)
+#define __MATHDECL_1(type, function,suffix, args) \
+ extern type __MATH_PRECNAME(function,suffix) args
+
+#define _Mdouble_ double
+#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
+#include <bits/mathcalls.h>
+#undef _Mdouble_
+#undef __MATH_PRECNAME
+
+#if defined __USE_MISC || defined __USE_ISOC9X
+
+
+/* Include the file of declarations again, this time using `float'
+ instead of `double' and appending f to each function name. */
+
+# ifndef _Mfloat_
+# define _Mfloat_ float
+# endif
+# define _Mdouble_ _Mfloat_
+# ifdef __STDC__
+# define __MATH_PRECNAME(name,r) name##f##r
+# else
+# define __MATH_PRECNAME(name,r) name/**/f/**/r
+# endif
+# include <bits/mathcalls.h>
+# undef _Mdouble_
+# undef __MATH_PRECNAME
+
+# if __STDC__ - 0 || __GNUC__ - 0
+/* Include the file of declarations again, this time using `long double'
+ instead of `double' and appending l to each function name. */
+
+# ifndef _Mlong_double_
+# define _Mlong_double_ long double
+# endif
+# define _Mdouble_ _Mlong_double_
+# ifdef __STDC__
+# define __MATH_PRECNAME(name,r) name##l##r
+# else
+# define __MATH_PRECNAME(name,r) name/**/l/**/r
+# endif
+# include <bits/mathcalls.h>
+# undef _Mdouble_
+# undef __MATH_PRECNAME
+
+# endif /* __STDC__ || __GNUC__ */
+
+#endif /* Use misc or ISO C 9X. */
+#undef __MATHDECL_1
+#undef __MATHDECL
+#undef __MATHCALL
+
+
+#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC9X
+/* This variable is used by `gamma' and `lgamma'. */
+extern int signgam;
#endif
-/* Exponential and logarithmic functions. */
-/* Exponentional function of X. */
-extern __CONSTVALUE double EXFUN(exp, (double __x));
+/* ISO C 9X defines some generic macros which work on any data type. */
+#if __USE_ISOC9X
-/* Break VALUE into a normalized fraction and an integral power of 2. */
-extern double EXFUN(frexp, (double __value, int *__exp));
+/* Get the architecture specific values describing the floating-point
+ evaluation. The following symbols will get defined:
-/* X times (two to the EXP power). */
-extern __CONSTVALUE double EXFUN(ldexp, (double __x, int __exp));
+ float_t floating-point type at least as wide as `float' used
+ to evaluate `float' expressions
+ double_t floating-point type at least as wide as `double' used
+ to evaluate `double' expressions
-/* Natural logarithm of X. */
-extern __CONSTVALUE double EXFUN(log, (double __x));
+ FLT_EVAL_METHOD
+ Defined to
+ 0 if `float_t' is `float' and `double_t' is `double'
+ 1 if `float_t' and `double_t' are `double'
+ 2 if `float_t' and `double_t' are `long double'
+ else `float_t' and `double_t' are unspecified
-/* Base-ten logarithm of X. */
-extern __CONSTVALUE double EXFUN(log10, (double __x));
+ INFINITY representation of the infinity value of type `float'
-#ifdef __USE_MISC
-/* Return exp(X) - 1. */
-extern __CONSTVALUE double EXFUN(expm1, (double __x));
+ FP_FAST_FMA
+ FP_FAST_FMAF
+ FP_FAST_FMAL
+ If defined it indicates that the `fma' function
+ generally executes about as fast as a multiply and an add.
+ This macro is defined only iff the `fma' function is
+ implemented directly with a hardware multiply-add instructions.
-/* Return log(1 + X). */
-extern __CONSTVALUE double EXFUN(log1p, (double __x));
-#endif
+ FP_ILOGB0 Expands to a value returned by `ilogb (0.0)'.
+ FP_ILOGBNAN Expands to a value returned by `ilogb (NAN)'.
-/* Break VALUE into integral and fractional parts. */
-extern double EXFUN(modf, (double __value, double *__iptr));
+ DECIMAL_DIG Number of decimal digits supported by conversion between
+ decimal and all internal floating-point formats.
+*/
+# include <bits/mathdef.h>
-/* Power functions. */
-
-/* Return X to the Y power. */
-extern __CONSTVALUE double EXFUN(pow, (double __x, double __y));
+/* All floating-point numbers can be put in one of these categories. */
+enum
+ {
+ FP_NAN,
+# define FP_NAN FP_NAN
+ FP_INFINITE,
+# define FP_INFINITE FP_INFINITE
+ FP_ZERO,
+# define FP_ZERO FP_ZERO
+ FP_SUBNORMAL,
+# define FP_SUBNORMAL FP_SUBNORMAL
+ FP_NORMAL
+# define FP_NORMAL FP_NORMAL
+ };
-/* Return the square root of X. */
-extern __CONSTVALUE double EXFUN(sqrt, (double __x));
+/* Return number of classification appropriate for X. */
+# define fpclassify(x) \
+ (sizeof (x) == sizeof (float) ? \
+ __fpclassifyf (x) \
+ : sizeof (x) == sizeof (double) ? \
+ __fpclassify (x) : __fpclassifyl (x))
+
+/* Return nonzero value if sign of X is negative. */
+# define signbit(x) \
+ (sizeof (x) == sizeof (float) ? \
+ __signbitf (x) \
+ : sizeof (x) == sizeof (double) ? \
+ __signbit (x) : __signbitl (x))
+
+/* Return nonzero value if X is not +-Inf or NaN. */
+# define isfinite(x) \
+ (sizeof (x) == sizeof (float) ? \
+ __finitef (x) \
+ : sizeof (x) == sizeof (double) ? \
+ __finite (x) : __finitel (x))
+
+/* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */
+# define isnormal(x) (fpclassify (x) == FP_NORMAL)
+
+/* Return nonzero value if X is a NaN. We could use `fpclassify' but
+ we already have this functions `__isnan' and it is faster. */
+# define isnan(x) \
+ (sizeof (x) == sizeof (float) ? \
+ __isnanf (x) \
+ : sizeof (x) == sizeof (double) ? \
+ __isnan (x) : __isnanl (x))
+
+#endif /* Use ISO C 9X. */
#ifdef __USE_MISC
-/* Return the cube root of X. */
-extern __CONSTVALUE double EXFUN(cbrt, (double __x));
+/* Support for various different standard error handling behaviors. */
+typedef enum
+{
+ _IEEE_ = -1, /* According to IEEE 754/IEEE 854. */
+ _SVID_, /* According to System V, release 4. */
+ _XOPEN_, /* Nowadays also Unix98. */
+ _POSIX_,
+ _ISOC_ /* Actually this is ISO C 9X. */
+} _LIB_VERSION_TYPE;
+
+/* This variable can be changed at run-time to any of the values above to
+ affect floating point error handling behavior (it may also be necessary
+ to change the hardware FPU exception settings). */
+extern _LIB_VERSION_TYPE _LIB_VERSION;
#endif
-/* Nearest integer, absolute value, and remainder functions. */
-
-/* Smallest integral value not less than X. */
-extern __CONSTVALUE double EXFUN(ceil, (double __x));
+#ifdef __USE_SVID
+/* In SVID error handling, `matherr' is called with this description
+ of the exceptional condition.
-/* Absolute value of X. */
-extern __CONSTVALUE double EXFUN(fabs, (double __x));
-
-/* Largest integer not greater than X. */
-extern __CONSTVALUE double EXFUN(floor, (double __x));
-
-/* Floating-point modulo remainder of X/Y. */
-extern __CONSTVALUE double EXFUN(fmod, (double __x, double __y));
-
-
-/* Return 0 if VALUE is finite or NaN, +1 if it
- is +Infinity, -1 if it is -Infinity. */
-extern __CONSTVALUE int EXFUN(__isinf, (double __value));
-
-/* Return nonzero if VALUE is not a number. */
-extern __CONSTVALUE int EXFUN(__isnan, (double __value));
+ We have a problem when using C++ since `exception' is a reserved
+ name in C++. */
+# ifdef __cplusplus
+struct __exception
+# else
+struct exception
+# endif
+ {
+ int type;
+ char *name;
+ double arg1;
+ double arg2;
+ double retval;
+ };
-/* Return nonzero if VALUE is finite and not NaN. */
-extern __CONSTVALUE int EXFUN(__finite, (double __value));
-#ifdef __OPTIMIZE__
-#define __finite(value) (!__isinf(value))
+# ifdef __cplusplus
+extern int __matherr __P ((struct __exception *__exc));
+extern int matherr __P ((struct __exception *__exc));
+# else
+extern int __matherr __P ((struct exception *__exc));
+extern int matherr __P ((struct exception *__exc));
+# endif
+
+# define X_TLOSS 1.41484755040568800000e+16
+
+/* Types of exceptions in the `type' field. */
+# define DOMAIN 1
+# define SING 2
+# define OVERFLOW 3
+# define UNDERFLOW 4
+# define TLOSS 5
+# define PLOSS 6
+
+/* SVID mode specifies returning this large value instead of infinity. */
+# define HUGE FLT_MAX
+# include <float.h> /* Defines FLT_MAX. */
+
+#else /* !SVID */
+
+# ifdef __USE_XOPEN
+/* X/Open wants another strange constant. */
+# define MAXFLOAT FLT_MAX
+# include <float.h>
+# endif
+
+#endif /* SVID */
+
+
+/* Some useful constants. */
+#if defined __USE_BSD || defined __USE_UNIX98
+# define M_E 2.7182818284590452354 /* e */
+# define M_LOG2E 1.4426950408889634074 /* log_2 e */
+# define M_LOG10E 0.43429448190325182765 /* log_10 e */
+# define M_LN2 0.69314718055994530942 /* log_e 2 */
+# define M_LN10 2.30258509299404568402 /* log_e 10 */
+# define M_PI 3.14159265358979323846 /* pi */
+# define M_PI_2 1.57079632679489661923 /* pi/2 */
+# define M_PI_4 0.78539816339744830962 /* pi/4 */
+# define M_1_PI 0.31830988618379067154 /* 1/pi */
+# define M_2_PI 0.63661977236758134308 /* 2/pi */
+# define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
+# define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
+# define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
#endif
-/* Deal with an infinite or NaN result.
- If ERROR is ERANGE, result is +Inf;
- if ERROR is - ERANGE, result is -Inf;
- otherwise result is NaN.
- This will set `errno' to either ERANGE or EDOM,
- and may return an infinity or NaN, or may do something else. */
-extern double EXFUN(__infnan, (int __error));
-
-/* Return X with its signed changed to Y's. */
-extern __CONSTVALUE double EXFUN(__copysign, (double __x, double __y));
-
-/* Return X times (2 to the Nth power). */
-extern __CONSTVALUE double EXFUN(__scalb, (double __x, int __n));
-
-#ifdef __OPTIMIZE__
-#define __scalb(x, n) ldexp ((x), (n))
+/* The above constants are not adequate for computation using `long double's.
+ Therefore we provide as an extension constants with similar names as a
+ GNU extension. Provide enough digits for the 128-bit IEEE quad. */
+#ifdef __USE_GNU
+# define M_El 2.7182818284590452353602874713526625L /* e */
+# define M_LOG2El 1.4426950408889634073599246810018922L /* log_2 e */
+# define M_LOG10El 0.4342944819032518276511289189166051L /* log_10 e */
+# define M_LN2l 0.6931471805599453094172321214581766L /* log_e 2 */
+# define M_LN10l 2.3025850929940456840179914546843642L /* log_e 10 */
+# define M_PIl 3.1415926535897932384626433832795029L /* pi */
+# define M_PI_2l 1.5707963267948966192313216916397514L /* pi/2 */
+# define M_PI_4l 0.7853981633974483096156608458198757L /* pi/4 */
+# define M_1_PIl 0.3183098861837906715377675267450287L /* 1/pi */
+# define M_2_PIl 0.6366197723675813430755350534900574L /* 2/pi */
+# define M_2_SQRTPIl 1.1283791670955125738961589031215452L /* 2/sqrt(pi) */
+# define M_SQRT2l 1.4142135623730950488016887242096981L /* sqrt(2) */
+# define M_SQRT1_2l 0.7071067811865475244008443621048490L /* 1/sqrt(2) */
#endif
-/* Return the remainder of X/Y. */
-extern __CONSTVALUE double EXFUN(__drem, (double __x, double __y));
-/* Return the base 2 signed integral exponent of X. */
-extern __CONSTVALUE double EXFUN(__logb, (double __x));
+/* Get machine-dependent inline versions (if there are any). */
+#ifdef __OPTIMIZE__
+# include <bits/mathinline.h>
+#endif
-#ifdef __USE_MISC
-/* Return the integer nearest X in the direction of the
- prevailing rounding mode. */
-extern __CONSTVALUE double EXFUN(rint, (double __x));
+#if __USE_ISOC9X
+/* ISO C 9X defines some macros to compare number while taking care
+ for unordered numbers. Since many FPUs provide special
+ instructions to support these operations and these tests are
+ defined in <bits/mathinline.h>, we define the generic macros at
+ this late point and only if they are not defined yet. */
+
+/* Return nonzero value if X is greater than Y. */
+# ifndef isgreater
+# define isgreater(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered (__x, __y) && __x > __y; }))
+# endif
+
+/* Return nonzero value if X is greater than or equal to Y. */
+# ifndef isgreaterequal
+# define isgreaterequal(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered (__x, __y) && __x >= __y; }))
+# endif
+
+/* Return nonzero value if X is less than Y. */
+# ifndef isless
+# define isless(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered (__x, __y) && __x < __y; }))
+# endif
+
+/* Return nonzero value if X is less than or equal to Y. */
+# ifndef islessequal
+# define islessequal(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered (__x, __y) && __x <= __y; }))
+# endif
+
+/* Return nonzero value if either X is less than Y or Y is less than X. */
+# ifndef islessgreater
+# define islessgreater(x, y) \
+ (__extension__ \
+ ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
+ !isunordered (__x, __y) && (__x < __y || __y < __x); }))
+# endif
+
+/* Return nonzero value if arguments are unordered. */
+# ifndef isunordered
+# define isunordered(u, v) \
+ (__extension__ \
+ ({ __typeof__(u) __u = (u); __typeof__(v) __v = (v); \
+ fpclassify (__u) == FP_NAN || fpclassify (__v) == FP_NAN; }))
+# endif
-/* Return `sqrt(X*X + Y*Y)'. */
-extern __CONSTVALUE double EXFUN(hypot, (double __x, double __y));
+#endif
-struct __complex
- {
- double __x, __y;
- };
-/* Return `sqrt(X*X + Y*Y)'. */
-extern __CONSTVALUE double EXFUN(cabs, (struct __complex));
-
-extern __CONSTVALUE int EXFUN(isinf, (double __value));
-extern __CONSTVALUE int EXFUN(isnan, (double __value));
-extern __CONSTVALUE int EXFUN(finite, (double __value));
-extern __CONSTVALUE double EXFUN(infnan, (int __error));
-extern __CONSTVALUE double EXFUN(copysign, (double __x, double __y));
-extern __CONSTVALUE double EXFUN(scalb, (double __x, int __n));
-extern __CONSTVALUE double EXFUN(drem, (double __x, double __y));
-extern __CONSTVALUE double EXFUN(logb, (double __x));
-
-#ifdef __OPTIMIZE__
-#define isinf(value) __isinf(value)
-#define isnan(value) __isnan(value)
-#define infnan(error) __infnan(error)
-#define finite(value) __finite(value)
-#define copysign(x, y) __copysign((x), (y))
-#define scalb(x, n) __scalb((x), (n))
-#define drem(x, y) __drem((x), (y))
-#define logb(x) __logb(x)
-#endif /* Optimizing. */
-
-#endif /* Use misc. */
-
-
-#if 0
-/* The "Future Library Directions" section of the
- ANSI Standard reserves these as `float' and
- `long double' versions of the above functions. */
-
-extern __CONSTVALUE float EXFUN(acosf, (float __x));
-extern __CONSTVALUE float EXFUN(asinf, (float __x));
-extern __CONSTVALUE float EXFUN(atanf, (float __x));
-extern __CONSTVALUE float EXFUN(atan2f, (float __y, float __x));
-extern __CONSTVALUE float EXFUN(cosf, (float __x));
-extern __CONSTVALUE float EXFUN(sinf, (float __x));
-extern __CONSTVALUE float EXFUN(tanf, (float __x));
-extern __CONSTVALUE float EXFUN(coshf, (float __x));
-extern __CONSTVALUE float EXFUN(sinhf, (float __x));
-extern __CONSTVALUE float EXFUN(tanhf, (float __x));
-extern __CONSTVALUE float EXFUN(expf, (float __x));
-extern float EXFUN(frexpf, (float __value, int *__exp));
-extern __CONSTVALUE float EXFUN(ldexpf, (float __x, int __exp));
-extern __CONSTVALUE float EXFUN(logf, (float __x));
-extern __CONSTVALUE float EXFUN(log10f, (float __x));
-extern float EXFUN(modff, (float __value, float *__iptr));
-extern __CONSTVALUE float EXFUN(powf, (float __x, float __y));
-extern __CONSTVALUE float EXFUN(sqrtf, (float __x));
-extern __CONSTVALUE float EXFUN(ceilf, (float __x));
-extern __CONSTVALUE float EXFUN(fabsf, (float __x));
-extern __CONSTVALUE float EXFUN(floorf, (float __x));
-extern __CONSTVALUE float EXFUN(fmodf, (float __x, float __y));
-
-extern __CONSTVALUE LONG_DOUBLE EXFUN(acosl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(asinl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(atanl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(atan2l,
- (LONG_DOUBLE __y, LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(cosl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(sinl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(tanl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(coshl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(sinhl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(tanhl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(expl, (LONG_DOUBLE __x));
-extern LONG_DOUBLE EXFUN(frexpl, (LONG_DOUBLE __value, int *__exp));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(ldexpl, (LONG_DOUBLE __x, int __exp));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(logl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(log10l, (LONG_DOUBLE __x));
-extern LONG_DOUBLE EXFUN(modfl, (LONG_DOUBLE __value, LONG_DOUBLE *__ip));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(powl,
- (LONG_DOUBLE __x, LONG_DOUBLE __y));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(sqrtl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(ceill, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(fabsl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(floorl, (LONG_DOUBLE __x));
-extern __CONSTVALUE LONG_DOUBLE EXFUN(fmodl,
- (LONG_DOUBLE __x, LONG_DOUBLE __y));
-#endif /* 0 */
+__END_DECLS
-/* Get machine-dependent inline versions (if there are any). */
-#include <__math.h>
-#endif /* math.h */
+#endif /* math.h */