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📄 e_acos.c(3.38 KB)
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📄 e_acosh.c(1.63 KB)
📄 e_acoshf.c(1.27 KB)
📄 e_acoshl.c(2.19 KB)
📄 e_acosl.c(2.16 KB)
📄 e_asin.c(3.55 KB)
📄 e_asinf.c(1.58 KB)
📄 e_asinl.c(1.85 KB)
📄 e_atan2.c(3.74 KB)
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📄 e_atan2l.c(3.42 KB)
📄 e_atanh.c(1.64 KB)
📄 e_atanhf.c(1.12 KB)
📄 e_atanhl.c(1.76 KB)
📄 e_cosh.c(2.21 KB)
📄 e_coshf.c(1.45 KB)
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📄 e_exp.c(5.07 KB)
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📄 e_fmod.c(3.34 KB)
📄 e_fmodf.c(2.59 KB)
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📄 e_gamma.c(725 B)
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📄 e_gammaf_r.c(890 B)
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📄 e_hypotf.c(2.15 KB)
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📄 e_j0.c(14.39 KB)
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📄 e_j1f.c(9.98 KB)
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📄 e_jnf.c(4.75 KB)
📄 e_lgamma.c(819 B)
📄 e_lgamma_r.c(10.7 KB)
📄 e_lgammaf.c(820 B)
📄 e_lgammaf_r.c(5.82 KB)
📄 e_lgammal.c(599 B)
📄 e_log.c(4.42 KB)
📄 e_log10.c(2.5 KB)
📄 e_log10f.c(1.93 KB)
📄 e_log2.c(3.64 KB)
📄 e_log2f.c(2.37 KB)
📄 e_logf.c(2.36 KB)
📄 e_pow.c(9.84 KB)
📄 e_powf.c(7.34 KB)
📄 e_rem_pio2.c(4.7 KB)
📄 e_rem_pio2f.c(1.96 KB)
📄 e_remainder.c(1.75 KB)
📄 e_remainderf.c(1.41 KB)
📄 e_remainderl.c(1.55 KB)
📄 e_scalb.c(1.07 KB)
📄 e_scalbf.c(1.06 KB)
📄 e_sinh.c(2.03 KB)
📄 e_sinhf.c(1.43 KB)
📄 e_sinhl.c(4.12 KB)
📄 e_sqrt.c(14.12 KB)
📄 e_sqrtf.c(1.91 KB)
📄 e_sqrtl.c(4.28 KB)
📄 fenv-softfloat.h(4.96 KB)
📄 imprecise.c(2.08 KB)
📄 k_cos.c(2.75 KB)
📄 k_cosf.c(1.23 KB)
📄 k_exp.c(3.55 KB)
📄 k_expf.c(2.67 KB)
📄 k_log.h(3.34 KB)
📄 k_logf.h(992 B)
📄 k_rem_pio2.c(15.51 KB)
📄 k_sin.c(2.27 KB)
📄 k_sincos.h(1.7 KB)
📄 k_sincosf.h(1.38 KB)
📄 k_sincosl.h(4.82 KB)
📄 k_sinf.c(1.21 KB)
📄 k_tan.c(3.93 KB)
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📄 math.h(13.92 KB)
📄 math_private.h(24.72 KB)
📄 s_asinh.c(1.64 KB)
📄 s_asinhf.c(1.32 KB)
📄 s_asinhl.c(2.41 KB)
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📄 s_atanl.c(2.32 KB)
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📄 s_ccosh.c(5.01 KB)
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📄 s_ceil.c(1.73 KB)
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📄 s_ceill.c(2.38 KB)
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📄 s_cexpf.c(2.85 KB)
📄 s_cimag.c(1.53 KB)
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📄 s_clog.c(5.06 KB)
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📄 s_copysign.c(808 B)
📄 s_copysignf.c(905 B)
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📄 s_cos.c(2.19 KB)
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📄 s_cosl.c(2.55 KB)
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📄 s_cpowl.c(1.83 KB)
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📄 s_creal.c(1.45 KB)
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📄 s_csinh.c(5.01 KB)
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📄 s_csqrt.c(3.29 KB)
📄 s_csqrtf.c(2.65 KB)
📄 s_csqrtl.c(3.78 KB)
📄 s_ctanh.c(4.32 KB)
📄 s_ctanhf.c(2.45 KB)
📄 s_erf.c(11 KB)
📄 s_erff.c(5.11 KB)
📄 s_exp2.c(14.03 KB)
📄 s_exp2f.c(4.14 KB)
📄 s_expm1.c(7.18 KB)
📄 s_expm1f.c(3.41 KB)
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📄 s_fabsf.c(765 B)
📄 s_fabsl.c(1.68 KB)
📄 s_fdim.c(1.7 KB)
📄 s_finite.c(700 B)
📄 s_finitef.c(796 B)
📄 s_floor.c(1.74 KB)
📄 s_floorf.c(1.41 KB)
📄 s_floorl.c(2.38 KB)
📄 s_fma.c(7.92 KB)
📄 s_fmaf.c(2.57 KB)
📄 s_fmal.c(7.38 KB)
📄 s_fmax.c(2.01 KB)
📄 s_fmaxf.c(1.88 KB)
📄 s_fmaxl.c(1.98 KB)
📄 s_fmin.c(2.01 KB)
📄 s_fminf.c(1.88 KB)
📄 s_fminl.c(1.98 KB)
📄 s_frexp.c(1.31 KB)
📄 s_frexpf.c(1.02 KB)
📄 s_frexpl.c(2 KB)
📄 s_ilogb.c(1.14 KB)
📄 s_ilogbf.c(976 B)
📄 s_ilogbl.c(1.21 KB)
📄 s_isfinite.c(1.72 KB)
📄 s_isnan.c(2.1 KB)
📄 s_isnormal.c(1.78 KB)
📄 s_llrint.c(156 B)
📄 s_llrintf.c(157 B)
📄 s_llrintl.c(163 B)
📄 s_llround.c(215 B)
📄 s_llroundf.c(216 B)
📄 s_llroundl.c(222 B)
📄 s_log1p.c(5.6 KB)
📄 s_log1pf.c(3.14 KB)
📄 s_logb.c(1.13 KB)
📄 s_logbf.c(1023 B)
📄 s_logbl.c(1.24 KB)
📄 s_lrint.c(2.1 KB)
📄 s_lrintf.c(151 B)
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📄 s_lround.c(2.45 KB)
📄 s_lroundf.c(208 B)
📄 s_lroundl.c(214 B)
📄 s_modf.c(1.88 KB)
📄 s_modff.c(1.39 KB)
📄 s_modfl.c(3.41 KB)
📄 s_nan.c(3.32 KB)
📄 s_nearbyint.c(2.29 KB)
📄 s_nextafter.c(2.03 KB)
📄 s_nextafterf.c(1.61 KB)
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📄 s_nexttoward.c(1.75 KB)
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📄 s_remquo.c(3.86 KB)
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📄 s_rint.c(2.33 KB)
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📄 s_rintl.c(2.77 KB)
📄 s_round.c(1.83 KB)
📄 s_roundf.c(1.74 KB)
📄 s_roundl.c(1.84 KB)
📄 s_scalbln.c(1.82 KB)
📄 s_scalbn.c(1.9 KB)
📄 s_scalbnf.c(1.67 KB)
📄 s_scalbnl.c(1.9 KB)
📄 s_signbit.c(1.7 KB)
📄 s_signgam.c(61 B)
📄 s_significand.c(727 B)
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📄 s_sin.c(2.18 KB)
📄 s_sincos.c(1.6 KB)
📄 s_sincosf.c(2.57 KB)
📄 s_sincosl.c(2.67 KB)
📄 s_sinf.c(2.18 KB)
📄 s_sinl.c(2.49 KB)
📄 s_tan.c(2.02 KB)
📄 s_tanf.c(1.97 KB)
📄 s_tanh.c(2.02 KB)
📄 s_tanhf.c(1.39 KB)
📄 s_tanhl.c(5.09 KB)
📄 s_tanl.c(2.6 KB)
📄 s_tgammaf.c(1.75 KB)
📄 s_trunc.c(1.5 KB)
📄 s_truncf.c(1.21 KB)
📄 s_truncl.c(1.61 KB)
📄 w_cabs.c(365 B)
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📄 w_drem.c(211 B)
📄 w_dremf.c(254 B)

Editing: fenv-softfloat.h

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2004-2011 David Schultz <das@FreeBSD.ORG>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#ifndef	_FENV_H_
#error "This file is meant to be included only by <fenv.h>."
#endif

/*
 * This file implements the functionality of <fenv.h> on platforms that
 * lack an FPU and use softfloat in libc for floating point.  To use it,
 * you must write an <fenv.h> that provides the following:
 *
 *   - a typedef for fenv_t, which may be an integer or struct type
 *   - a typedef for fexcept_t (XXX This file assumes fexcept_t is a
 *     simple integer type containing the exception mask.)
 *   - definitions of FE_* constants for the five exceptions and four
 *     rounding modes in IEEE 754, as described in fenv(3)
 *   - a definition, and the corresponding external symbol, for FE_DFL_ENV
 *   - a macro __set_env(env, flags, mask, rnd), which sets the given fenv_t
 *     from the exception flags, mask, and rounding mode
 *   - macros __env_flags(env), __env_mask(env), and __env_round(env), which
 *     extract fields from an fenv_t
 *   - a definition of __fenv_static
 *
 * If the architecture supports an optional FPU, it's recommended that you
 * define fenv_t and fexcept_t to match the hardware ABI.  Otherwise, it
 * doesn't matter how you define them.
 */

extern int __softfloat_float_exception_flags;
extern int __softfloat_float_exception_mask;
extern int __softfloat_float_rounding_mode;
void __softfloat_float_raise(int);

__fenv_static inline int
feclearexcept(int __excepts)
{

__softfloat_float_exception_flags &= ~__excepts;
	return (0);
}

__fenv_static inline int
fegetexceptflag(fexcept_t *__flagp, int __excepts)
{

*__flagp = __softfloat_float_exception_flags & __excepts;
	return (0);
}

__fenv_static inline int
fesetexceptflag(const fexcept_t *__flagp, int __excepts)
{

__softfloat_float_exception_flags &= ~__excepts;
	__softfloat_float_exception_flags |= *__flagp & __excepts;
	return (0);
}

__fenv_static inline int
feraiseexcept(int __excepts)
{

__softfloat_float_raise(__excepts);
	return (0);
}

__fenv_static inline int
fetestexcept(int __excepts)
{

return (__softfloat_float_exception_flags & __excepts);
}

__fenv_static inline int
fegetround(void)
{

return (__softfloat_float_rounding_mode);
}

__fenv_static inline int
fesetround(int __round)
{

__softfloat_float_rounding_mode = __round;
	return (0);
}

__fenv_static inline int
fegetenv(fenv_t *__envp)
{

__set_env(*__envp, __softfloat_float_exception_flags,
	    __softfloat_float_exception_mask, __softfloat_float_rounding_mode);
	return (0);
}

__fenv_static inline int
feholdexcept(fenv_t *__envp)
{
	fenv_t __env;

fegetenv(__envp);
	__softfloat_float_exception_flags = 0;
	__softfloat_float_exception_mask = 0;
	return (0);
}

__fenv_static inline int
fesetenv(const fenv_t *__envp)
{

__softfloat_float_exception_flags = __env_flags(*__envp);
	__softfloat_float_exception_mask = __env_mask(*__envp);
	__softfloat_float_rounding_mode = __env_round(*__envp);
	return (0);
}

__fenv_static inline int
feupdateenv(const fenv_t *__envp)
{
	int __oflags = __softfloat_float_exception_flags;

fesetenv(__envp);
	feraiseexcept(__oflags);
	return (0);
}

#if __BSD_VISIBLE

/* We currently provide no external definitions of the functions below. */

__fenv_static inline int
feenableexcept(int __mask)
{
	int __omask = __softfloat_float_exception_mask;

__softfloat_float_exception_mask |= __mask;
	return (__omask);
}

__fenv_static inline int
fedisableexcept(int __mask)
{
	int __omask = __softfloat_float_exception_mask;

__softfloat_float_exception_mask &= ~__mask;
	return (__omask);
}

__fenv_static inline int
fegetexcept(void)
{

return (__softfloat_float_exception_mask);
}

#endif /* __BSD_VISIBLE */

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