From 05ef7ce90dbb9125cdcd6ea2525efad6d1c585b7 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 12 Nov 1999 17:23:30 +0000 Subject: Update. 1999-11-02 Andreas Jaeger * Versions.def: Add version GLIBC_2.2 for libm. * math/fenv.h: Add prototypes for fegetexcept, feenableexcept and fedisableexcept. * sysdeps/generic/feenablxcpt.c: Stub file. * sysdeps/generic/fedisblxcpt.c: Stub file. * sysdeps/generic/fegetexcept.c: Stub file. * sysdeps/i386/fpu/fedisblxcpt.c: New file. * sysdeps/i386/fpu/feenablxcpt.c: New file. * sysdeps/i386/fpu/fegetexcept.c: New file. * math/Makefile (libm-support): Add new files. * math/Versions: Add new functions with version GLIBC_2.2. * manual/arith.texi (Control Functions): Document fegetexcept, feenableexcept and fedisableexcept. --- math/fenv.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'math/fenv.h') diff --git a/math/fenv.h b/math/fenv.h index 845b5e637f..bda3ee916f 100644 --- a/math/fenv.h +++ b/math/fenv.h @@ -115,6 +115,22 @@ extern int feupdateenv (__const fenv_t *__envp) __THROW; # include #endif +#ifdef __USE_GNU + +/* Enable individual exceptions. Will not enable more exceptions than + EXCEPTS specifies. Returns the previous enabled exceptions if all + exceptions are successfull set, otherwise returns -1. */ +extern int feenableexcept (int __excepts) __THROW; + +/* Disable individual exceptions. Will not disable more exceptions than + EXCEPTS specifies. Returns the previous enabled exceptions if all + exceptions are successfull disabled, otherwise returns -1. */ +extern int fedisableexcept (int __excepts) __THROW; + +/* Return enabled exceptions. */ +extern int fegetexcept (void) __THROW; +#endif + __END_DECLS #endif /* fenv.h */ -- cgit v1.2.3