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// Stub definitions for float math.
// Copyright (C) 2001, 2002, 2003, 2009 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 3, 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#include <cmath>
// For targets which do not have support for float versions,
// we use the following crude approximations. We keep saying that we'll do
// better later, but never do.
extern "C"
{
#ifndef _GLIBCXX_HAVE_FABSF
float
fabsf(float x)
{
return (float) fabs(x);
}
#endif
#ifndef _GLIBCXX_HAVE_ACOSF
float
acosf(float x)
{
return (float) acos(x);
}
#endif
#ifndef _GLIBCXX_HAVE_ASINF
float
asinf(float x)
{
return (float) asin(x);
}
#endif
#ifndef _GLIBCXX_HAVE_ATANF
float
atanf(float x)
{
return (float) atan(x);
}
#endif
#ifndef _GLIBCXX_HAVE_ATAN2F
float
atan2f(float x, float y)
{
return (float) atan2(x, y);
}
#endif
#ifndef _GLIBCXX_HAVE_CEILF
float
ceilf(float x)
{
return (float) ceil(x);
}
#endif
#ifndef _GLIBCXX_HAVE_COSF
float
cosf(float x)
{
return (float) cos(x);
}
#endif
#ifndef _GLIBCXX_HAVE_COSHF
float
coshf(float x)
{
return (float) cosh(x);
}
#endif
#ifndef _GLIBCXX_HAVE_EXPF
float
expf(float x)
{
return (float) exp(x);
}
#endif
#ifndef _GLIBCXX_HAVE_FLOORF
float
floorf(float x)
{
return (float) floor(x);
}
#endif
#ifndef _GLIBCXX_HAVE_FMODF
float
fmodf(float x, float y)
{
return (float) fmod(x, y);
}
#endif
#ifndef _GLIBCXX_HAVE_FREXPF
float
frexpf(float x, int *exp)
{
return (float) frexp(x, exp);
}
#endif
#ifndef _GLIBCXX_HAVE_SQRTF
float
sqrtf(float x)
{
return (float) sqrt(x);
}
#endif
#ifndef _GLIBCXX_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 _GLIBCXX_HAVE_LDEXPF
float
ldexpf(float x, int exp)
{
return (float) ldexp(x, exp);
}
#endif
#ifndef _GLIBCXX_HAVE_LOGF
float
logf(float x)
{
return (float) log(x);
}
#endif
#ifndef _GLIBCXX_HAVE_LOG10F
float
log10f(float x)
{
return (float) log10(x);
}
#endif
#ifndef _GLIBCXX_HAVE_MODFF
float
modff(float x, float *iptr)
{
double result, temp;
result = modf(x, &temp);
*iptr = (float) temp;
return (float) result;
}
#endif
#ifndef _GLIBCXX_HAVE_POWF
float
powf(float x, float y)
{
return (float) pow(x, y);
}
#endif
#ifndef _GLIBCXX_HAVE_SINF
float
sinf(float x)
{
return (float) sin(x);
}
#endif
#ifndef _GLIBCXX_HAVE_SINHF
float
sinhf(float x)
{
return (float) sinh(x);
}
#endif
#ifndef _GLIBCXX_HAVE_TANF
float
tanf(float x)
{
return (float) tan(x);
}
#endif
#ifndef _GLIBCXX_HAVE_TANHF
float
tanhf(float x)
{
return (float) tanh(x);
}
#endif
} // extern "C"
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