diff options
Diffstat (limited to 'newlib/libm/common/sf_isinf.c')
-rw-r--r-- | newlib/libm/common/sf_isinf.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/newlib/libm/common/sf_isinf.c b/newlib/libm/common/sf_isinf.c deleted file mode 100644 index 6595a681c..000000000 --- a/newlib/libm/common/sf_isinf.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * isinff(x) returns 1 if x is +-infinity, else 0; - * - * isinf is a <math.h> macro in the C99 standard. It was previously - * implemented as isinf and isinff functions by newlib and are still declared - * as such in <ieeefp.h>. Newlib supplies it here as a function if the user - * chooses to use <ieeefp.h> or needs to link older code compiled with the - * previous <math.h> declaration. - */ - -#include "fdlibm.h" -#include <ieeefp.h> - -#undef isinff - -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 - -#undef isinf - -int -_DEFUN (isinf, (x), - double x) -{ - return isinff((float) x); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |