| /* Stub definitions for libmath subpart of libstdc++. */ |
| |
| /* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. |
| |
| This file is part of the GNU ISO C++ Library. This library is free |
| software; you can redistribute it and/or modify it under the |
| terms of the GNU General Public License as published by the |
| Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| This 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this library; see the file COPYING. If not, write to the Free |
| Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| USA. |
| |
| As a special exception, you may use this file as part of a free software |
| library without restriction. Specifically, if other files instantiate |
| templates or use macros or inline functions from this file, or you compile |
| this file and link it with other files to produce an executable, this |
| file does not by itself cause the resulting executable to be covered by |
| the GNU General Public License. This exception does not however |
| invalidate any other reasons why the executable file might be covered by |
| the GNU General Public License. */ |
| |
| #include <math.h> |
| #include "config.h" |
| |
| /* For targets which do not have support for long double versions, |
| we use the crude approximation. We'll do better later. */ |
| |
| |
| #ifndef HAVE_FABSF |
| float |
| fabsf(float x) |
| { |
| return (float) fabs(x); |
| } |
| #endif |
| |
| #ifndef HAVE_FABSL |
| long double |
| fabsl(long double x) |
| { |
| return fabs((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_ACOSF |
| float |
| acosf(float x) |
| { |
| return (float) acos(x); |
| } |
| #endif |
| |
| #ifndef HAVE_ACOSL |
| long double |
| acosl(long double x) |
| { |
| return acos((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_ASINF |
| float |
| asinf(float x) |
| { |
| return (float) asin(x); |
| } |
| #endif |
| |
| #ifndef HAVE_ASINL |
| long double |
| asinl(long double x) |
| { |
| return asin((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_ATANF |
| float |
| atanf(float x) |
| { |
| return (float) atan(x); |
| } |
| #endif |
| |
| #ifndef HAVE_ATANL |
| long double |
| atanl(long double x) |
| { |
| return atan ((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_ATAN2F |
| float |
| atan2f(float x, float y) |
| { |
| return (float) atan2(x, y); |
| } |
| #endif |
| |
| #ifndef HAVE_ATAN2L |
| long double |
| atan2l(long double x, long double y) |
| { |
| return atan2((double) x, (double) y); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_CEILF |
| float |
| ceilf(float x) |
| { |
| return (float) ceil(x); |
| } |
| #endif |
| |
| #ifndef HAVE_CEILL |
| long double |
| ceill(long double x) |
| { |
| return ceil((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_COSF |
| float |
| cosf(float x) |
| { |
| return (float) cos(x); |
| } |
| #endif |
| |
| #ifndef HAVE_COSL |
| long double |
| cosl(long double x) |
| { |
| return cos((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_COSHF |
| float |
| coshf(float x) |
| { |
| return (float) cosh(x); |
| } |
| #endif |
| |
| #ifndef HAVE_COSHL |
| long double |
| coshl(long double x) |
| { |
| return cosh((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_EXPF |
| float |
| expf(float x) |
| { |
| return (float) exp(x); |
| } |
| #endif |
| |
| #ifndef HAVE_EXPL |
| long double |
| expl(long double x) |
| { |
| return exp((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_FLOORF |
| float |
| floorf(float x) |
| { |
| return (float) floor(x); |
| } |
| #endif |
| |
| #ifndef HAVE_FLOORL |
| long double |
| floorl(long double x) |
| { |
| return floor((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_FMODF |
| float |
| fmodf(float x, float y) |
| { |
| return (float) fmod(x, y); |
| } |
| #endif |
| |
| #ifndef HAVE_FMODL |
| long double |
| fmodl(long double x, long double y) |
| { |
| return fmod((double) x, (double) y); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_FREXPF |
| float |
| frexpf(float x, int *exp) |
| { |
| return (float) frexp(x, exp); |
| } |
| #endif |
| |
| #ifndef HAVE_FREXPL |
| long double |
| frexpl(long double x, int *exp) |
| { |
| return frexp((double) x, exp); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_SQRTF |
| float |
| sqrtf(float x) |
| { |
| return (float) sqrt(x); |
| } |
| #endif |
| |
| #ifndef HAVE_SQRTL |
| long double |
| sqrtl(long double x) |
| { |
| return sqrt((double) x); |
| } |
| #endif |
| |
| |
| /* Compute the hypothenuse of a right triangle with side x and y. */ |
| #ifndef HAVE_HYPOTF |
| float |
| hypotf(float x, float y) |
| { |
| float s = fabsf(x) + fabsf(y); |
| if (s == 0.0F) |
| return s; |
| x /= s; y /= s; |
| return s * sqrtf(x * x + y * y); |
| } |
| #endif |
| |
| #ifndef HAVE_HYPOT |
| double |
| hypot(double x, double y) |
| { |
| double s = fabs(x) + fabs(y); |
| if (s == 0.0) |
| return s; |
| x /= s; y /= s; |
| return s * sqrt(x * x + y * y); |
| } |
| #endif |
| |
| #ifndef HAVE_HYPOTL |
| long double |
| hypotl(long double x, long double y) |
| { |
| long double s = fabsl(x) + fabsl(y); |
| if (s == 0.0L) |
| return s; |
| x /= s; y /= s; |
| return s * sqrtl(x * x + y * y); |
| } |
| #endif |
| |
| |
| |
| #ifndef HAVE_LDEXPF |
| float |
| ldexpf(float x, int exp) |
| { |
| return (float) ldexp(x, exp); |
| } |
| #endif |
| |
| #ifndef HAVE_LDEXPL |
| long double |
| ldexpl(long double x, int exp) |
| { |
| return ldexp((double) x, exp); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_LOGF |
| float |
| logf(float x) |
| { |
| return (float) log(x); |
| } |
| #endif |
| |
| #ifndef HAVE_LOGL |
| long double |
| logl(long double x) |
| { |
| return log((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_LOG10F |
| float |
| log10f(float x) |
| { |
| return (float) log10(x); |
| } |
| #endif |
| |
| #ifndef HAVE_LOG10L |
| long double |
| log10l(long double x) |
| { |
| return log10((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_MODFF |
| float |
| modff(float x, float *iptr) |
| { |
| double result, temp; |
| |
| result = modf(x, &temp); |
| *iptr = (float) temp; |
| return (float) result; |
| } |
| #endif |
| |
| #ifndef HAVE_MODFL |
| long double |
| modfl(long double x, long double *iptr) |
| { |
| double result, temp; |
| |
| result = modf((double) x, &temp); |
| *iptr = temp; |
| return result; |
| } |
| #endif |
| |
| |
| #ifndef HAVE_POWF |
| float |
| powf(float x, float y) |
| { |
| return (float) pow(x, y); |
| } |
| #endif |
| |
| #ifndef HAVE_POWL |
| long double |
| powl(long double x, long double y) |
| { |
| return pow((double) x, (double) y); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_SINF |
| float |
| sinf(float x) |
| { |
| return (float) sin(x); |
| } |
| #endif |
| |
| #ifndef HAVE_SINL |
| long double |
| sinl(long double x) |
| { |
| return sin((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_SINHF |
| float |
| sinhf(float x) |
| { |
| return (float) sinh(x); |
| } |
| #endif |
| |
| #ifndef HAVE_SINHL |
| long double |
| sinhl(long double x) |
| { |
| return sinh((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_TANF |
| float |
| tanf(float x) |
| { |
| return (float) tan(x); |
| } |
| #endif |
| |
| #ifndef HAVE_TANL |
| long double |
| tanl(long double x) |
| { |
| return tan((double) x); |
| } |
| #endif |
| |
| |
| #ifndef HAVE_TANHF |
| float |
| tanhf(float x) |
| { |
| return (float) tanh(x); |
| } |
| #endif |
| |
| #ifndef HAVE_TANHL |
| long double |
| tanhl(long double x) |
| { |
| return tanh((double) x); |
| } |
| #endif |