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| author | Jeff Johnston <jjohnstn@redhat.com> | 2006-02-27 23:51:28 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2006-02-27 23:51:28 +0000 |
| commit | e48682cff514c0480aff58a3e752edf7eb9ff228 (patch) | |
| tree | 0e9c096a2b54e60d287d32cec39017b36714871c /newlib/libm/common/sf_isinff.c | |
| parent | 47a5b664e5095434abe0630008fce5dc9f323130 (diff) | |
| download | cygnal-e48682cff514c0480aff58a3e752edf7eb9ff228.tar.gz cygnal-e48682cff514c0480aff58a3e752edf7eb9ff228.tar.bz2 cygnal-e48682cff514c0480aff58a3e752edf7eb9ff228.zip | |
2006-02-27 Jeff Johnston <jjohnstn@redhat.com>
* Makefile.am (MATHOBJS_IN_LIBC): Add s_isinfd, sf_isinff,
s_isnand, and sf_isnanf object files.
* Makefile.in: Regenerated.
* libc/include/ieeefp.h: Undef isnan and isinf to avoid
conflict if <math.h> has previously been included.
* libc/include/math.h
* libm/common/Makefile.am: Add new s_isinfd, s_isnand, sf_isinff,
and sf_isnanf files. Also support s_isnan, sf_isnan, s_isinf, and
sf_isinf files which have been moved from math/mathfp directories.
* libm/common/Makefile.in: Regenerated.
* libm/common/s_isinfd.c: New file.
* libm/common/s_isnand.c: Ditto.
* libm/common/sf_isinff.c: Ditto.
* libm/common/sf_isnanf.c: Ditto.
* libm/common/s_isinf.c: Moved from libm/math directory.
* libm/common/s_isnan.c: Ditto.
* libm/common/sf_isinf.c: Ditto.
* libm/common/sf_isnan.c: Ditto.
* libm/math/Makefile.am: Remove isinf and isnan family functions
which have been moved into common directory.
* libm/mathfp/Makefile.am: Ditto.
* libm/math/Makefile.in: Regenerated.
* libm/mathfp/Makefile.in: Ditto.
* libm/math/s_isinf.c: Removed.
* libm/math/s_isnan.c: Ditto.
* libm/math/sf_isinf.c: Ditto.
* libm/math/sf_isnan.c: Ditto.
* libm/mathfp/s_isinf.c: Ditto.
* libm/mathfp/s_isnan.c: Ditto.
* libm/mathfp/sf_isinf.c: Ditto.
* libm/mathfp/sf_isnan.c: Ditto.
Diffstat (limited to 'newlib/libm/common/sf_isinff.c')
| -rw-r--r-- | newlib/libm/common/sf_isinff.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/newlib/libm/common/sf_isinff.c b/newlib/libm/common/sf_isinff.c new file mode 100644 index 000000000..9d0e742e5 --- /dev/null +++ b/newlib/libm/common/sf_isinff.c @@ -0,0 +1,27 @@ +/* + * __isinff(x) returns 1 if x is +-infinity, else 0; + * Added by Cygnus Support. + */ + +#include "fdlibm.h" + +int +_DEFUN (__isinff, (x), + float x) +{ + __int32_t ix; + GET_FLOAT_WORD(ix,x); + ix &= 0x7fffffff; + return FLT_UWORD_IS_INFINITE(ix); +} + +#ifdef _DOUBLE_IS_32BITS + +int +_DEFUN (__isinfd, (x), + double x) +{ + return __isinff((float) x); +} + +#endif /* defined(_DOUBLE_IS_32BITS) */ |