glibc/math/w_hypotl.c

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Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * sysdeps/mach/hurd/getlogin_r.c: New file. Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com> * io/Makefile (routines): Add ttyname_r. * resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A. * sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S, sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S, sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S, sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S, sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S, sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S, sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S, sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S, sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions of `long double' math functions. * sysdeps/libm-ieee754/k_standard.c: Add handling for errors in long double functions. * sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c, sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions of `long double' math functions. * sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string alias for __isinfl. * sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c, sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c, sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c, sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c, sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c, sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c, sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c, sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c, sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c, sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c, sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c, sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c, sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions around long double function implementations. * sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN to determine length of directory entry name. * posix/Makefile (routines): Add getlogin_r. * posix/unistd.h: Add prototype for getlogin_r. * sysdeps/stub/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Stub version. * sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of ttyname. This avoids saving and restoring the old content. Also use setutent_r, getutline_r and endutent_r instead of accing UTMP file directly. * sysdeps/unix/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com> * sysdeps/libm-i387/s_finitef.S: Fix mask for exponent. * elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols _GNU_libc_dl_{open,close,symbol} and resolve them to dl functions. * elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global. * elf/link.h: Declare _dl_rtld_map. * elf/dl-lookup.c (_dl_symbol_value): New function. * elf/link.h: Declare it. stdio-common/vfscanf.c: Prepare for reentrant libio. Used in reentrant libio.
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/* w_hypotl.c -- long double version of w_hypot.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.
* ====================================================
*/
/*
* wrapper hypotl(x,y)
*/
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#include <math.h>
#include <math_private.h>
Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * sysdeps/mach/hurd/getlogin_r.c: New file. Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com> * io/Makefile (routines): Add ttyname_r. * resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A. * sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S, sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S, sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S, sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S, sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S, sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S, sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S, sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S, sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions of `long double' math functions. * sysdeps/libm-ieee754/k_standard.c: Add handling for errors in long double functions. * sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c, sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions of `long double' math functions. * sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string alias for __isinfl. * sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c, sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c, sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c, sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c, sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c, sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c, sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c, sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c, sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c, sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c, sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c, sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c, sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions around long double function implementations. * sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN to determine length of directory entry name. * posix/Makefile (routines): Add getlogin_r. * posix/unistd.h: Add prototype for getlogin_r. * sysdeps/stub/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Stub version. * sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of ttyname. This avoids saving and restoring the old content. Also use setutent_r, getutline_r and endutent_r instead of accing UTMP file directly. * sysdeps/unix/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com> * sysdeps/libm-i387/s_finitef.S: Fix mask for exponent. * elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols _GNU_libc_dl_{open,close,symbol} and resolve them to dl functions. * elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global. * elf/link.h: Declare _dl_rtld_map. * elf/dl-lookup.c (_dl_symbol_value): New function. * elf/link.h: Declare it. stdio-common/vfscanf.c: Prepare for reentrant libio. Used in reentrant libio.
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long double
__hypotl(long double x, long double y)
Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * sysdeps/mach/hurd/getlogin_r.c: New file. Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com> * io/Makefile (routines): Add ttyname_r. * resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A. * sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S, sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S, sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S, sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S, sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S, sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S, sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S, sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S, sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions of `long double' math functions. * sysdeps/libm-ieee754/k_standard.c: Add handling for errors in long double functions. * sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c, sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions of `long double' math functions. * sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string alias for __isinfl. * sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c, sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c, sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c, sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c, sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c, sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c, sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c, sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c, sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c, sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c, sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c, sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c, sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions around long double function implementations. * sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN to determine length of directory entry name. * posix/Makefile (routines): Add getlogin_r. * posix/unistd.h: Add prototype for getlogin_r. * sysdeps/stub/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Stub version. * sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of ttyname. This avoids saving and restoring the old content. Also use setutent_r, getutline_r and endutent_r instead of accing UTMP file directly. * sysdeps/unix/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com> * sysdeps/libm-i387/s_finitef.S: Fix mask for exponent. * elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols _GNU_libc_dl_{open,close,symbol} and resolve them to dl functions. * elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global. * elf/link.h: Declare _dl_rtld_map. * elf/dl-lookup.c (_dl_symbol_value): New function. * elf/link.h: Declare it. stdio-common/vfscanf.c: Prepare for reentrant libio. Used in reentrant libio.
1996-06-05 01:07:21 +00:00
{
long double z;
z = __ieee754_hypotl(x,y);
if(__builtin_expect(!__finitel(z), 0)
&& __finitel(x) && __finitel(y) && _LIB_VERSION != _IEEE_)
return __kernel_standard(x, y, 204); /* hypot overflow */
return z;
Tue Jun 4 21:01:20 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * sysdeps/mach/hurd/getlogin_r.c: New file. Wed Jun 5 02:11:30 1996 Ulrich Drepper <drepper@cygnus.com> * io/Makefile (routines): Add ttyname_r. * resolv/res_debug.c, resolv/resolv.h: Update from bind-4.3.4-T4A. * sysdeps/libm-i387/e_asinl.S, sysdeps/libm-i387/e_atan2l.S, sysdeps/libm-i387/e_expl.S, sysdeps/libm-i387/e_fmodl.S, sysdeps/libm-i387/e_log10l.S, sysdeps/libm-i387/e_logl.S, sysdeps/libm-i387/e_remainderl.S, sysdeps/libm-i387/e_scalbl.S, sysdeps/libm-i387/e_sqrtl.S, sysdeps/libm-i387/s_atanl.S, sysdeps/libm-i387/s_cosl.S, sysdeps/libm-i387/s_ilogbl.S, sysdeps/libm-i387/s_log1pl.S, sysdeps/libm-i387/s_logbl.S, sysdeps/libm-i387/s_scalbnl.S, sysdeps/libm-i387/s_sinl.S, sysdeps/libm-i387/s_tanl.S: New files. i387 assembler versions of `long double' math functions. * sysdeps/libm-ieee754/k_standard.c: Add handling for errors in long double functions. * sysdeps/libm-ieee754/s_ilogbl.c, sysdeps/libm-ieee754/s_logbl.c, sysdeps/libm-ieee754/s_modfl.c: New files. Generic versions of `long double' math functions. * sysdeps/libm-ieee754/s_isinf.c [NO_LONG_DOUBLE]: Add string alias for __isinfl. * sysdeps/libm-ieee754/w_acoshl.c, sysdeps/libm-ieee754/w_acosl.c, sysdeps/libm-ieee754/w_asinl.c, sysdeps/libm-ieee754/w_atan2l.c, sysdeps/libm-ieee754/w_atanhl.c, sysdeps/libm-ieee754/w_cabsl.c, sysdeps/libm-ieee754/w_coshl.c, sysdeps/libm-ieee754/w_dreml.c, sysdeps/libm-ieee754/w_expl.c, sysdeps/libm-ieee754/w_fmodl.c, sysdeps/libm-ieee754/w_gammal.c, sysdeps/libm-ieee754/w_gammal_r.c, sysdeps/libm-ieee754/w_hypotl.c, sysdeps/libm-ieee754/w_j0l.c, sysdeps/libm-ieee754/w_j1l.c, sysdeps/libm-ieee754/w_jnl.c, sysdeps/libm-ieee754/w_lgammal.c, sysdeps/libm-ieee754/w_lgammal_r.c, sysdeps/libm-ieee754/w_log10l.c, sysdeps/libm-ieee754/w_logl.c, sysdeps/libm-ieee754/w_powl.c, sysdeps/libm-ieee754/w_remainderl.c, sysdeps/libm-ieee754/w_scalbl.c, sysdeps/libm-ieee754/w_sinhl.c, sysdeps/libm-ieee754/w_sqrtl.c: New files. Wrapper functions around long double function implementations. * sysdeps/posix/ttyname_r.c (ttyname_r): Use _D_EXACT_NAMLEN to determine length of directory entry name. * posix/Makefile (routines): Add getlogin_r. * posix/unistd.h: Add prototype for getlogin_r. * sysdeps/stub/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Stub version. * sysdeps/unix/getlogin.c (getlogin): Use ttyname_r instead of ttyname. This avoids saving and restoring the old content. Also use setutent_r, getutline_r and endutent_r instead of accing UTMP file directly. * sysdeps/unix/getlogin_r.c: New file. Reentrant version of getlogin function, specified in P1003.1c/D6. Tue Jun 4 20:10:09 1996 J.T. Conklin <jtc@cygnus.com> * sysdeps/libm-i387/s_finitef.S: Fix mask for exponent. * elf/dl-lookup.c (_dl_lookup_symbol): Grok magical undefined symbols _GNU_libc_dl_{open,close,symbol} and resolve them to dl functions. * elf/rtld.c (rtld_map): Renamed to _dl_rtld_map, made global. * elf/link.h: Declare _dl_rtld_map. * elf/dl-lookup.c (_dl_symbol_value): New function. * elf/link.h: Declare it. stdio-common/vfscanf.c: Prepare for reentrant libio. Used in reentrant libio.
1996-06-05 01:07:21 +00:00
}
weak_alias (__hypotl, hypotl)