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author | Jeff Johnston <jjohnstn@redhat.com> | 2007-04-26 19:23:37 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2007-04-26 19:23:37 +0000 |
commit | 976e9d281b2900f988e14ef541b5716dbdd4849e (patch) | |
tree | c72d4d6ea88acd594efb1ec689bc2199fd3f28e5 /newlib/libm/machine/spu/sf_fpclassify.c | |
parent | 0e78d0f67513028d06a6be52f0f42d1aa97ad06a (diff) | |
download | cygnal-976e9d281b2900f988e14ef541b5716dbdd4849e.tar.gz cygnal-976e9d281b2900f988e14ef541b5716dbdd4849e.tar.bz2 cygnal-976e9d281b2900f988e14ef541b5716dbdd4849e.zip |
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.c | 24 |
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; +} |