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authorUlrich Drepper <drepper@redhat.com>1999-10-10 00:00:36 +0000
committerUlrich Drepper <drepper@redhat.com>1999-10-10 00:00:36 +0000
commit2293395f48cbfbd6ddf548fea8ba832e4c185356 (patch)
tree292ae8a697250541ee6b5328a2c36adc0bc33ed0 /sysdeps/powerpc/fpu/s_isnan.c
parent883c331ae9e9fb6e61c7213a012a5f4122b2bb23 (diff)
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Update.
	* nss/getXXbyYY_r.c (do_weak_alias): Remove unnecessary parenthesis.
	* sysdeps/powerpc/s_copysign.S: Move to...
	* sysdeps/powerpc/fpu/s_copysign.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_copysignf.S: Move to...
	* sysdeps/powerpc/fpu/s_copysignf.S: ...here.
	* sysdeps/powerpc/s_fabs.S: Move to...
	* sysdeps/powerpc/fpu/s_fabs.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fabsf.S: Move to...
	* sysdeps/powerpc/fpu/s_fabsf.S: ...here.
	* sysdeps/powerpc/s_fdim.c: Move to...
	* sysdeps/powerpc/fpu/s_fdim.c: ...here.
	* sysdeps/powerpc/s_fdimf.c: Move to...
	* sysdeps/powerpc/fpu/s_fdimf.c: ...here.
	* sysdeps/powerpc/s_fmax.S: Move to...
	* sysdeps/powerpc/fpu/s_fmax.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fmaxf.S: Move to...
	* sysdeps/powerpc/fpu/s_fmaxf.S: ...here.
	* sysdeps/powerpc/s_fmin.S: Move to...
	* sysdeps/powerpc/fpu/s_fmin.S: ...here.  Use portable asm syntax.
	* sysdeps/powerpc/s_fminf.S: Move to...
	* sysdeps/powerpc/fpu/s_fminf.S: ...here.
	* sysdeps/powerpc/s_isnan.S: Move to...
	* sysdeps/powerpc/fpu/s_isnan.c: ...here.
	* sysdeps/powerpc/s_isnanf.S: Move to...
	* sysdeps/powerpc/fpu/s_isnanf.S: ...here.
	* sysdeps/powerpc/s_llrint.c: Move to...
	* sysdeps/powerpc/fpu/s_llrint.c: ...here.
	* sysdeps/powerpc/s_llrintf.c: Move to...
	* sysdeps/powerpc/fpu/s_llrintf.c: ...here.
	* sysdeps/powerpc/s_llround.c: Move to...
	* sysdeps/powerpc/fpu/s_llround.c: ...here.
	* sysdeps/powerpc/s_llroundf.c: Move to...
	* sysdeps/powerpc/fpu/s_llroundf.c: ...here.
	* sysdeps/powerpc/s_lrint.c: Move to...
	* sysdeps/powerpc/fpu/s_lrint.c: ...here.
	* sysdeps/powerpc/s_lrintf.S: Move to...
	* sysdeps/powerpc/fpu/s_lrintf.S: ...here.
	* sysdeps/powerpc/s_lround.c: Move to...
	* sysdeps/powerpc/fpu/s_lround.c: ...here.
	* sysdeps/powerpc/s_lroundf.c: Move to...
	* sysdeps/powerpc/fpu/s_lroundf.c: ...here.
	* sysdeps/powerpc/s_rint.c: Move to...
	* sysdeps/powerpc/fpu/s_rint.c: ...here.
	* sysdeps/powerpc/s_rintf.c: Move to...
	* sysdeps/powerpc/fpu/s_rintf.c: ...here.
	* sysdeps/powerpc/t_sqrt.c: Move to...
	* sysdeps/powerpc/fpu/t_sqrt: ...here.
	* sysdeps/powerpc/w_sqrt.c: Move to...
	* sysdeps/powerpc/fpu/w_sqrt.c: ...here.
	* sysdeps/powerpc/w_sqrtf.c: Move to...
	* sysdeps/powerpc/fpu/w_sqrtf.c: ...here.
	* configure.in: Support platforms which have no .text pseudo-op.
	Patches partly by Jimi X <jimix@pobox.com>.
Diffstat (limited to 'sysdeps/powerpc/fpu/s_isnan.c')
-rw-r--r--sysdeps/powerpc/fpu/s_isnan.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/s_isnan.c b/sysdeps/powerpc/fpu/s_isnan.c
new file mode 100644
index 0000000000..34019fdbdb
--- /dev/null
+++ b/sysdeps/powerpc/fpu/s_isnan.c
@@ -0,0 +1,47 @@
+/* Return 1 if argument is a NaN, else 0.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+  
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+  
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+  
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "math.h"
+#include <fenv_libc.h>
+
+int __isnan(double x)
+{
+  fenv_t savedstate;
+  int result;
+  savedstate = fegetenv_register();
+  reset_fpscr_bit(FPSCR_VE);
+  result = !(x == x);
+  fesetenv_register(savedstate);
+  return result;
+}
+weak_alias (__isnan, isnan)
+/* It turns out that the 'double' version will also always work for
+   single-precision.  Use explicit assembler to stop gcc complaining
+   that 'isnanf' takes a float parameter, not double.  */
+asm ("\
+        .globl __isnanf
+        .globl isnanf
+        .weak isnanf
+	.set __isnanf,__isnan
+	.set isnanf,__isnan
+");
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif