diff options
Diffstat (limited to 'newlib/libm/common/s_fdim.c')
| -rw-r--r-- | newlib/libm/common/s_fdim.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/newlib/libm/common/s_fdim.c b/newlib/libm/common/s_fdim.c deleted file mode 100644 index 8eb878209..000000000 --- a/newlib/libm/common/s_fdim.c +++ /dev/null @@ -1,61 +0,0 @@ -/* 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. - */ -/* -FUNCTION -<<fdim>>, <<fdimf>>--positive difference -INDEX - fdim -INDEX - fdimf - -ANSI_SYNOPSIS - #include <math.h> - double fdim(double <[x]>, double <[y]>); - float fdimf(float <[x]>, float <[y]>); - -DESCRIPTION -The <<fdim>> functions determine the positive difference between their -arguments, returning: -. <[x]> - <[y]> if <[x]> > <[y]>, or - @ifnottex -. +0 if <[x]> <= <[y]>, or - @end ifnottex - @tex -. +0 if <[x]> $\leq$ <[y]>, or - @end tex -. NAN if either argument is NAN. -A range error may occur. - -RETURNS -The <<fdim>> functions return the positive difference value. - -PORTABILITY -ANSI C, POSIX. - -*/ - -#include "fdlibm.h" - -#ifndef _DOUBLE_IS_32BITS - -#ifdef __STDC__ - double fdim(double x, double y) -#else - double fdim(x,y) - double x; - double y; -#endif -{ - int c = __fpclassifyd(x); - if (c == FP_NAN) return(x); - if (__fpclassifyd(y) == FP_NAN) return(y); - if (c == FP_INFINITE) - return HUGE_VAL; - - return x > y ? x - y : 0.0; -} - -#endif /* _DOUBLE_IS_32BITS */ |