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/*
Copyright (C) 2014-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/
/*
WARNING: This file was generated by the dkct program (see
http://dktools.sourceforge.net/ for details).
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk3mafpe.ctr
*/
/** @file dk3mafpe.c The dk3mafpe module.
*/
#line 260 "dk3mafpe.ctr"
#include "dk3mafpe.h"
#line 266 "dk3mafpe.ctr"
#if TRACE_DEBUG
static
void
dk3mafpe_debug(dk3_ma_fpe_t fpes)
{
#line 276 "dk3mafpe.ctr"
if (NULL != dktrace_file()) {
if (0 != (fpes & DK3MAFPE_DIVBYZERO)) {
fputs("DIVBYZERO\n", dktrace_file());
}
if (0 != (fpes & DK3MAFPE_INEXACT)) {
fputs("INEXACT\n", dktrace_file());
}
if (0 != (fpes & DK3MAFPE_OVERFLOW)) {
fputs("OVERFLOW\n", dktrace_file());
}
if (0 != (fpes & DK3MAFPE_UNDERFLOW)) {
fputs("UNDERFLOW\n", dktrace_file());
}
if (0 != (fpes & DK3MAFPE_INVALID)) {
fputs("INVALID\n", dktrace_file());
}
}
#line 294 "dk3mafpe.ctr"
}
#endif
dk3_ma_fpe_t
dk3mafpe_get(void)
{
#if DK3_ON_WINDOWS
#if DK3_HAVE__CLEARFP
#if TRACE_DEBUG
dk3_ma_fpe_t back;
back = _statusfp();
dk3mafpe_debug(back);
return back;
#else
return (_statusfp());
#endif
#else
return 0;
#endif
#else
#if DK3_HAVE_FETESTEXCEPT
#if TRACE_DEBUG
dk3_ma_fpe_t back;
back = fetestexcept(FE_ALL_EXCEPT);
dk3mafpe_debug(back);
return back;
#else
return (fetestexcept(FE_ALL_EXCEPT));
#endif
#else
return 0;
#endif
#endif
}
void
dk3mafpe_clear(void)
{
#if DK3_ON_WINDOWS
#if DK3_HAVE__CLEARFP
(void)_clearfp();
#else
#endif
#else
#if DK3_HAVE_FETESTEXCEPT
feclearexcept(FE_ALL_EXCEPT);
#else
#endif
#endif
}
dk3_ma_fpe_t
dk3mafpe_get_and_clear(void)
{
#if DK3_ON_WINDOWS
#if DK3_HAVE__CLEARFP
#if TRACE_DEBUG
dk3_ma_fpe_t back;
back = _clearfp();
dk3mafpe_debug(back);
return back;
#else
return (_clearfp());
#endif
#else
return 0;
#endif
#else
#if DK3_HAVE_FETESTEXCEPT
dk3_ma_fpe_t back;
back = fetestexcept(FE_ALL_EXCEPT);
feclearexcept(FE_ALL_EXCEPT);
#if TRACE_DEBUG
dk3mafpe_debug(back);
#endif
return back;
#else
return 0;
#endif
#endif
}
int
dk3mafpe_get_handling_type(void)
{
#if DK3_ON_WINDOWS
#if DK3_HAVE__CLEARFP
return DK3_MA_FPE_HANDLING_CLEARFP;
#else
return DK3_MA_FPE_HANDLING_NONE;
#endif
#else
#if DK3_HAVE_FETESTEXCEPT
return DK3_MA_FPE_HANDLING_FETESTEXCEPT;
#else
return DK3_MA_FPE_HANDLING_NONE;
#endif
#endif
}
int
dk3mafpe_isfinite(double x)
{
#if DK3_ON_WINDOWS
int back = 0;
if (_finite(x)) {
back = 1;
}
return back;
#else
#if DK3_HAVE_ISFINITE
int back = 0;
if (isfinite(x)) {
back = 1;
}
return back;
#else
#error "No function or macro isfinite(x) available!"
return 1;
#endif
#endif
}
int
dk3mafpe_isnormal(double x)
{
#if DK3_ON_WINDOWS
int back = 0;
if (_finite(x)) {
back = 1;
switch (_fpclass(x)) {
case _FPCLASS_ND: case _FPCLASS_PD: {
back = 0;
} break;
}
}
return back;
#else
#if DK3_HAVE_ISNORMAL
int back = 0;
if (isnormal(x)) {
back = 1;
}
return back;
#else
#error "No function or macro isnormal(x) available!"
return 1;
#endif
#endif
}
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