From e275093526937799cdc38d11696ce19a9bce22c4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 17 Feb 2001 01:47:54 +0000 Subject: Update. * math/w_acos.c: Move to ... * sysdeps/generic/w_acos.c: ...here. New file. * math/w_acosf.c: Move to ... * sysdeps/generic/w_acosf.c: ...here. New file. * math/w_acosh.c: Move to ... * sysdeps/generic/w_acosh.c: ...here. New file. * math/w_acoshf.c: Move to ... * sysdeps/generic/w_acoshf.c: ...here. New file. * math/w_acoshl.c: Move to ... * sysdeps/generic/w_acoshl.c: ...here. New file. * math/w_acosl.c: Move to ... * sysdeps/generic/w_acosl.c: ...here. New file. * math/w_asin.c: Move to ... * sysdeps/generic/w_asin.c: ...here. New file. * math/w_asinf.c: Move to ... * sysdeps/generic/w_asinf.c: ...here. New file. * math/w_asinl.c: Move to ... * sysdeps/generic/w_asinl.c: ...here. New file. * math/w_atan2.c: Move to ... * sysdeps/generic/w_atan2.c: ...here. New file. * math/w_atan2f.c: Move to ... * sysdeps/generic/w_atan2f.c: ...here. New file. * math/w_atan2l.c: Move to ... * sysdeps/generic/w_atan2l.c: ...here. New file. * math/w_atanh.c: Move to ... * sysdeps/generic/w_atanh.c: ...here. New file. * math/w_atanhf.c: Move to ... * sysdeps/generic/w_atanhf.c: ...here. New file. * math/w_atanhl.c: Move to ... * sysdeps/generic/w_atanhl.c: ...here. New file. * math/w_cosh.c: Move to ... * sysdeps/generic/w_cosh.c: ...here. New file. * math/w_coshf.c: Move to ... * sysdeps/generic/w_coshf.c: ...here. New file. * math/w_coshl.c: Move to ... * sysdeps/generic/w_coshl.c: ...here. New file. * math/w_drem.c: Move to ... * sysdeps/generic/w_drem.c: ...here. New file. * math/w_dremf.c: Move to ... * sysdeps/generic/w_dremf.c: ...here. New file. * math/w_dreml.c: Move to ... * sysdeps/generic/w_dreml.c: ...here. New file. * math/w_exp10.c: Move to ... * sysdeps/generic/w_exp10.c: ...here. New file. * math/w_exp10f.c: Move to ... * sysdeps/generic/w_exp10f.c: ...here. New file. * math/w_exp10l.c: Move to ... * sysdeps/generic/w_exp10l.c: ...here. New file. * math/w_exp2.c: Move to ... * sysdeps/generic/w_exp2.c: ...here. New file. * math/w_exp2f.c: Move to ... * sysdeps/generic/w_exp2f.c: ...here. New file. * math/w_exp2l.c: Move to ... * sysdeps/generic/w_exp2l.c: ...here. New file. * math/w_fmod.c: Move to ... * sysdeps/generic/w_fmod.c: ...here. New file. * math/w_fmodf.c: Move to ... * sysdeps/generic/w_fmodf.c: ...here. New file. * math/w_fmodl.c: Move to ... * sysdeps/generic/w_fmodl.c: ...here. New file. * math/w_hypot.c: Move to ... * sysdeps/generic/w_hypot.c: ...here. New file. * math/w_hypotf.c: Move to ... * sysdeps/generic/w_hypotf.c: ...here. New file. * math/w_hypotl.c: Move to ... * sysdeps/generic/w_hypotl.c: ...here. New file. * math/w_j0.c: Move to ... * sysdeps/generic/w_j0.c: ...here. New file. * math/w_j0f.c: Move to ... * sysdeps/generic/w_j0f.c: ...here. New file. * math/w_j0l.c: Move to ... * sysdeps/generic/w_j0l.c: ...here. New file. * math/w_j1.c: Move to ... * sysdeps/generic/w_j1.c: ...here. New file. * math/w_j1f.c: Move to ... * sysdeps/generic/w_j1f.c: ...here. New file. * math/w_j1l.c: Move to ... * sysdeps/generic/w_j1l.c: ...here. New file. * math/w_jn.c: Move to ... * sysdeps/generic/w_jn.c: ...here. New file. * math/w_jnf.c: Move to ... * sysdeps/generic/w_jnf.c: ...here. New file. * math/w_jnl.c: Move to ... * sysdeps/generic/w_jnl.c: ...here. New file. * math/w_lgamma.c: Move to ... * sysdeps/generic/w_lgamma.c: ...here. New file. * math/w_lgammaf.c: Move to ... * sysdeps/generic/w_lgammaf.c: ...here. New file. * math/w_lgammaf_r.c: Move to ... * sysdeps/generic/w_lgammaf_r.c: ...here. New file. * math/w_lgammal.c: Move to ... * sysdeps/generic/w_lgammal.c: ...here. New file. * math/w_lgammal_r.c: Move to ... * sysdeps/generic/w_lgammal_r.c: ...here. New file. * math/w_lgamma_r.c: Move to ... * sysdeps/generic/w_lgamma_r.c: ...here. New file. * math/w_log10.c: Move to ... * sysdeps/generic/w_log10.c: ...here. New file. * math/w_log10f.c: Move to ... * sysdeps/generic/w_log10f.c: ...here. New file. * math/w_log10l.c: Move to ... * sysdeps/generic/w_log10l.c: ...here. New file. * math/w_log.c: Move to ... * sysdeps/generic/w_log.c: ...here. New file. * math/w_logf.c: Move to ... * sysdeps/generic/w_logf.c: ...here. New file. * math/w_logl.c: Move to ... * sysdeps/generic/w_logl.c: ...here. New file. * math/w_pow.c: Move to ... * sysdeps/generic/w_pow.c: ...here. New file. * math/w_powf.c: Move to ... * sysdeps/generic/w_powf.c: ...here. New file. * math/w_powl.c: Move to ... * sysdeps/generic/w_powl.c: ...here. New file. * math/w_remainder.c: Move to ... * sysdeps/generic/w_remainder.c: ...here. New file. * math/w_remainderf.c: Move to ... * sysdeps/generic/w_remainderf.c: ...here. New file. * math/w_remainderl.c: Move to ... * sysdeps/generic/w_remainderl.c: ...here. New file. * math/w_scalb.c: Move to ... * sysdeps/generic/w_scalb.c: ...here. New file. * math/w_scalbf.c: Move to ... * sysdeps/generic/w_scalbf.c: ...here. New file. * math/w_scalbl.c: Move to ... * sysdeps/generic/w_scalbl.c: ...here. New file. * math/w_sinh.c: Move to ... * sysdeps/generic/w_sinh.c: ...here. New file. * math/w_sinhf.c: Move to ... * sysdeps/generic/w_sinhf.c: ...here. New file. * math/w_sinhl.c: Move to ... * sysdeps/generic/w_sinhl.c: ...here. New file. * math/w_sqrtl.c: Move to ... * sysdeps/generic/w_sqrtl.c: ...here. New file. * math/w_tgamma.c: Move to ... * sysdeps/generic/w_tgamma.c: ...here. New file. * math/w_tgammaf.c: Move to ... * sysdeps/generic/w_tgammaf.c: ...here. New file. * math/w_tgammal.c: Move to ... * sysdeps/generic/w_tgammal.c: ...here. New file. --- sysdeps/generic/w_exp2.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 sysdeps/generic/w_exp2.c (limited to 'sysdeps/generic/w_exp2.c') diff --git a/sysdeps/generic/w_exp2.c b/sysdeps/generic/w_exp2.c new file mode 100644 index 0000000..126aa09 --- /dev/null +++ b/sysdeps/generic/w_exp2.c @@ -0,0 +1,36 @@ +/* + * wrapper exp2(x) + */ + +#include +#include "math.h" +#include "math_private.h" + +static const double o_threshold= (double) DBL_MAX_EXP; +static const double u_threshold= (double) DBL_MIN_EXP; + +double +__exp2 (double x) /* wrapper exp2 */ +{ +#ifdef _IEEE_LIBM + return __ieee754_exp2 (x); +#else + double z; + z = __ieee754_exp2 (x); + if (_LIB_VERSION != _IEEE_ && __finite (x)) + { + if (x > o_threshold) + /* exp2 overflow */ + return __kernel_standard (x, x, 44); + else if (x < u_threshold) + /* exp2 underflow */ + return __kernel_standard (x, x, 45); + } + return z; +#endif +} +weak_alias (__exp2, exp2) +#ifdef NO_LONG_DOUBLE +strong_alias (__exp2, __expl2) +weak_alias (__exp2, expl2) +#endif -- cgit v1.1