diff options
Diffstat (limited to 'math')
| -rw-r--r-- | math/mathcalls.h | 87 |
1 files changed, 47 insertions, 40 deletions
diff --git a/math/mathcalls.h b/math/mathcalls.h index 656352e..13c33e8 100644 --- a/math/mathcalls.h +++ b/math/mathcalls.h @@ -1,21 +1,21 @@ /* Prototype declarations for math functions; helper file for <math.h>. -Copyright (C) 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. + Copyright (C) 1996 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. */ /* NOTE: Because of the special way this file is used by <math.h>, this file must NOT be protected from multiple inclusion as header files @@ -73,7 +73,7 @@ __MATHCALL (sinh,, (_Mdouble_ __x)); /* Hyperbolic tangent of X. */ __MATHCALL (tanh,, (_Mdouble_ __x)); -#ifdef __USE_MISC +#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) /* Hyperbolic arc cosine of X. */ __MATHCALL (acosh,, (_Mdouble_ __x)); /* Hyperbolic arc sine of X. */ @@ -99,12 +99,15 @@ __MATHCALL (log,, (_Mdouble_ __x)); /* Base-ten logarithm of X. */ __MATHCALL (log10,, (_Mdouble_ __x)); -#ifdef __USE_MISC +#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) /* Return exp(X) - 1. */ __MATHCALL (expm1,, (_Mdouble_ __x)); /* Return log(1 + X). */ __MATHCALL (log1p,, (_Mdouble_ __x)); + +/* Return the base 2 signed integral exponent of X. */ +__MATHCALL (logb,, (_Mdouble_ __x)); #endif /* Break VALUE into integral and fractional parts. */ @@ -119,7 +122,7 @@ __MATHCALL (pow,, (_Mdouble_ __x, _Mdouble_ __y)); /* Return the square root of X. */ __MATHCALL (sqrt,, (_Mdouble_ __x)); -#ifdef __USE_MISC +#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) /* Return the cube root of X. */ __MATHCALL (cbrt,, (_Mdouble_ __x)); #endif @@ -146,9 +149,6 @@ __MATHCALL (fmod,, (_Mdouble_ __x, _Mdouble_ __y)); is +Infinity, -1 if it is -Infinity. */ __MATHDECL (int, isinf,, (_Mdouble_ __value)); -/* Return nonzero if VALUE is not a number. */ -__MATHDECL (int, isnan,, (_Mdouble_ __value)); - /* Return nonzero if VALUE is finite and not NaN. */ __MATHDECL (int, finite,, (_Mdouble_ __value)); @@ -164,24 +164,11 @@ __MATHCALL (infnan,, (int __error)); __MATHCALL (copysign,, (_Mdouble_ __x, _Mdouble_ __y)); /* Return X times (2 to the Nth power). */ -__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n)); - -/* Return X times (2 to the Nth power). */ __MATHCALL (scalbn,, (_Mdouble_ __x, int __n)); /* Return the remainder of X/Y. */ __MATHCALL (drem,, (_Mdouble_ __x, _Mdouble_ __y)); -/* Return the base 2 signed integral exponent of X. */ -__MATHCALL (logb,, (_Mdouble_ __x)); - -/* Return the integer nearest X in the direction of the - prevailing rounding mode. */ -__MATHCALL (rint,, (_Mdouble_ __x)); - -/* Return `sqrt(X*X + Y*Y)'. */ -__MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y)); - struct __MATH_PRECNAME(__cabs_complex,) { _Mdouble_ x, y; @@ -191,18 +178,21 @@ struct __MATH_PRECNAME(__cabs_complex,) __MATHCALL (cabs,, (struct __MATH_PRECNAME(__cabs_complex,))); -/* Return X + epsilon if X < Y, X - epsilon if X > Y. */ -__MATHCALL (nextafter,, (_Mdouble_ __x, _Mdouble_ __y)); +/* Return the fractional part of X after dividing out `ilogb (X)'. */ +__MATHCALL (significand,, (_Mdouble_ __x)); +#endif /* Use misc. */ -/* Return the remainder of integer divison X / Y with infinite precision. */ -__MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y)); + +#if defined(__USE_MISC) || defined(__USE_XOPEN) + +/* Return nonzero if VALUE is not a number. */ +__MATHDECL (int, isnan,, (_Mdouble_ __value)); /* Return the binary exponent of X, which must be nonzero. */ __MATHDECL (int, ilogb,, (_Mdouble_ __x)); -/* Return the fractional part of X after dividing out `ilogb (X)'. */ -__MATHCALL (significand,, (_Mdouble_ __x)); - +/* Return `sqrt(X*X + Y*Y)'. */ +__MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y)); /* Error, gamma, and Bessel functions. */ @@ -229,4 +219,21 @@ __MATHCALL (gamma,_r, (_Mdouble_, int *)); __MATHCALL (lgamma,_r, (_Mdouble_, int *)); #endif + +#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED) + +/* Return the integer nearest X in the direction of the + prevailing rounding mode. */ +__MATHCALL (rint,, (_Mdouble_ __x)); + +/* Return X times (2 to the Nth power). */ +__MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n)); + +/* Return X + epsilon if X < Y, X - epsilon if X > Y. */ +__MATHCALL (nextafter,, (_Mdouble_ __x, _Mdouble_ __y)); + +/* Return the remainder of integer divison X / Y with infinite precision. */ +__MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y)); +#endif + #endif /* Use misc. */ |