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