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authorJeff Johnston <jjohnstn@redhat.com>2007-04-26 19:23:37 +0000
committerJeff Johnston <jjohnstn@redhat.com>2007-04-26 19:23:37 +0000
commit976e9d281b2900f988e14ef541b5716dbdd4849e (patch)
treec72d4d6ea88acd594efb1ec689bc2199fd3f28e5 /newlib/libm/machine/spu/sf_fpclassify.c
parent0e78d0f67513028d06a6be52f0f42d1aa97ad06a (diff)
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2007-04-26 Patrick Mansfield <patmans@us.ibm.com>
* libc/include/ieeefp.h: use prefixed __ieeefp_ macros that can be overridden via machine/ieeefp.h. * libc/include/machine/ieeefp.h: Add SPU specific C99 and ieeefp macros for isnan and related macros. * libc/include/math.h: Allow C99 isfinite, isinf, and isnan to be overridden via machine/ieeefp.h. * libm/machine/spu/Makefile.am: Add new files. * libm/machine/spu/Makefile.in: Autogenerate with new files. * libm/machine/spu/sf_fpclassify.c: Add SPU specific __fpclassifyf. * libm/machine/spu/sf_finite.c: Add SPU specific finitef. * libm/machine/spu/sf_isinf.c: Add SPU specific isinff. * libm/machine/spu/sf_isinff.c: Add SPU specific __isinff. * libm/machine/spu/sf_isnan.c: Add SPU specific isnanf. * libm/machine/spu/sf_isnanf.c: Add SPU specific __isnanf. * libm/machine/spu/sf_nan.c: Add SPU specific nanf.
Diffstat (limited to 'newlib/libm/machine/spu/sf_fpclassify.c')
-rw-r--r--newlib/libm/machine/spu/sf_fpclassify.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/newlib/libm/machine/spu/sf_fpclassify.c b/newlib/libm/machine/spu/sf_fpclassify.c
new file mode 100644
index 000000000..36cf8ba90
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_fpclassify.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include "fdlibm.h"
+
+/*
+ * On the SPU, single precision floating point returns only FP_NORMAL and
+ * FP_ZERO, since FP_NAN, FP_INFINITE, and FP_SUBNORMAL are not
+ * supported, base on the common f_fpclassify.c.
+ */
+int
+__fpclassifyf (float x)
+{
+ __uint32_t w;
+
+ GET_FLOAT_WORD(w,x);
+
+ if (w == 0x00000000 || w == 0x80000000)
+ return FP_ZERO;
+ return FP_NORMAL;
+}