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author | Ulrich Drepper <drepper@redhat.com> | 2001-02-17 01:47:54 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2001-02-17 01:47:54 +0000 |
commit | e275093526937799cdc38d11696ce19a9bce22c4 (patch) | |
tree | 33262c29a0b759e21be916f5e4de0a7329830ff3 /sysdeps/generic/w_jnl.c | |
parent | 78b385b834d450d4c633279eb26aba04d8aa509b (diff) | |
download | glibc-e275093526937799cdc38d11696ce19a9bce22c4.tar.gz glibc-e275093526937799cdc38d11696ce19a9bce22c4.tar.xz glibc-e275093526937799cdc38d11696ce19a9bce22c4.zip |
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.
Diffstat (limited to 'sysdeps/generic/w_jnl.c')
-rw-r--r-- | sysdeps/generic/w_jnl.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sysdeps/generic/w_jnl.c b/sysdeps/generic/w_jnl.c new file mode 100644 index 0000000000..866e3cdb00 --- /dev/null +++ b/sysdeps/generic/w_jnl.c @@ -0,0 +1,96 @@ +/* w_jnl.c -- long double version of w_jn.c. + * Conversion to long double by Ulrich Drepper, + * Cygnus Support, drepper@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. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: $"; +#endif + +/* + * wrapper jn(int n, double x), yn(int n, double x) + * floating point Bessel's function of the 1st and 2nd kind + * of order n + * + * Special cases: + * y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal; + * y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal. + * Note 2. About jn(n,x), yn(n,x) + * For n=0, j0(x) is called, + * for n=1, j1(x) is called, + * for n<x, forward recursion us used starting + * from values of j0(x) and j1(x). + * for n>x, a continued fraction approximation to + * j(n,x)/j(n-1,x) is evaluated and then backward + * recursion is used starting from a supposed value + * for j(n,x). The resulting value of j(0,x) is + * compared with the actual value to correct the + * supposed value of j(n,x). + * + * yn(n,x) is similar in all respects, except + * that forward recursion is used for all + * values of n>1. + * + */ + +#include "math.h" +#include "math_private.h" + +#ifdef __STDC__ + long double jnl(int n, long double x) /* wrapper jnl */ +#else + long double jnl(n,x) /* wrapper jnl */ + long double x; int n; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_jnl(n,x); +#else + long double z; + z = __ieee754_jnl(n,x); + if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z; + if(fabsl(x)>X_TLOSS) { + return __kernel_standard((double)n,x,238); /* jn(|x|>X_TLOSS,n) */ + } else + return z; +#endif +} + +#ifdef __STDC__ + long double ynl(int n, long double x) /* wrapper ynl */ +#else + long double ynl(n,x) /* wrapper ynl */ + long double x; int n; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_ynl(n,x); +#else + long double z; + z = __ieee754_ynl(n,x); + if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z; + if(x <= 0.0){ + if(x==0.0) + /* d= -one/(x-x); */ + return __kernel_standard((double)n,x,212); + else + /* d = zero/(x-x); */ + return __kernel_standard((double)n,x,213); + } + if(x>X_TLOSS) { + return __kernel_standard((double)n,x,239); /* yn(x>X_TLOSS,n) */ + } else + return z; +#endif +} |