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authorUlrich Drepper <drepper@redhat.com>1999-11-12 17:23:30 +0000
committerUlrich Drepper <drepper@redhat.com>1999-11-12 17:23:30 +0000
commit05ef7ce90dbb9125cdcd6ea2525efad6d1c585b7 (patch)
tree5102b915804cf59ef63ca6a05a2cba1127cfe649 /math/fenv.h
parentb2f46c3c0e2119545e52a01e1d73a93d21ebbc0d (diff)
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Update.
1999-11-02  Andreas Jaeger  <aj@suse.de>

	* 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.
Diffstat (limited to 'math/fenv.h')
-rw-r--r--math/fenv.h16
1 files changed, 16 insertions, 0 deletions
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 <bits/fenvinline.h>
 #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 */