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| author | Thomas Fitzsimmons <fitzsim@redhat.com> | 2002-06-07 21:59:57 +0000 |
|---|---|---|
| committer | Thomas Fitzsimmons <fitzsim@redhat.com> | 2002-06-07 21:59:57 +0000 |
| commit | 0953fe640f177b565578ed7ecc77169ec1a914fa (patch) | |
| tree | f63c2a55e4d0e5a067da91cea95ae88a7c15af7e /newlib/libm/math/wf_exp2.c | |
| parent | 2bd6505b3991588a15c865618e1edb76d4a6373c (diff) | |
| download | cygnal-0953fe640f177b565578ed7ecc77169ec1a914fa.tar.gz cygnal-0953fe640f177b565578ed7ecc77169ec1a914fa.tar.bz2 cygnal-0953fe640f177b565578ed7ecc77169ec1a914fa.zip | |
* libm/common/s_fdim.c: New file.
* libm/common/s_fma.c: Likewise.
* libm/common/s_fmax.c: Likewise.
* libm/common/s_fmin.c: Likewise.
* libm/common/s_fpclassify.c: Likewise.
* libm/common/s_lrint.c: Likewise.
* libm/common/s_lround.c: Likewise.
* libm/common/s_nearbyint.c: Likewise.
* libm/common/s_remquo.c: Likewise.
* libm/common/s_round.c: Likewise.
* libm/common/s_scalbln.c: Likewise.
* libm/common/s_signbit.c: Likewise.
* libm/common/s_trunc.c: Likewise.
* libm/common/sf_fdim.c: Likewise.
* libm/common/sf_fma.c: Likewise.
* libm/common/sf_fmax.c: Likewise.
* libm/common/sf_fmin.c: Likewise.
* libm/common/sf_lrint.c: Likewise.
* libm/common/sf_lround.c: Likewise.
* libm/common/sf_nearbyint.c: Likewise.
* libm/common/sf_remquo.c: Likewise.
* libm/common/sf_round.c: Likewise.
* libm/common/sf_scalbln.c: Likewise.
* libm/common/sf_trunc.c: Likewise.
* libm/math/w_exp2.c: Likewise.
* libm/math/w_tgamma.c: Likewise.
* libm/math/wf_exp2.c: Likewise.
* libm/math/wf_tgamma.c: Likewise.
* libm/mathfp/s_exp2.c: Likewise.
* libm/mathfp/s_tgamma.c: Likewise.
* libm/mathfp/sf_exp2.c: Likewise.
* libm/mathfp/sf_tgamma.c: Likewise.
* libm/math/er_gamma.c: Fix return value.
* libm/math/erf_gamma.c: Likewise.
* libm/mathfp/er_gamma.c: Likewise.
* libm/mathfp/erf_gamma.c: Likewise.
* libc/include/math.h (!__STRICT_ANSI__): Include ISOC99-specific
declarations and macros.
Regenerated all Makefile.in, aclocal.m4 and configure files to
use new libtool macros in top-level libtool.m4
Diffstat (limited to 'newlib/libm/math/wf_exp2.c')
| -rw-r--r-- | newlib/libm/math/wf_exp2.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/newlib/libm/math/wf_exp2.c b/newlib/libm/math/wf_exp2.c new file mode 100644 index 000000000..944031405 --- /dev/null +++ b/newlib/libm/math/wf_exp2.c @@ -0,0 +1,46 @@ +/* wf_exp2.c -- float version of w_exp2.c. + * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. + */ + +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* + * wrapper exp2f(x) + */ + +#include "fdlibm.h" +#include <errno.h> +#include <math.h> + +#ifdef __STDC__ + float exp2f(float x) /* wrapper exp2f */ +#else + float exp2f(x) /* wrapper exp2f */ + float x; +#endif +{ + return powf(2.0, x); +} + +#ifdef _DOUBLE_IS_32BITS + +#ifdef __STDC__ + double exp2(double x) +#else + double exp2(x) + double x; +#endif +{ + return (double) exp2f((float) x); +} + +#endif /* defined(_DOUBLE_IS_32BITS) */ |