File: sf_fdim.c

package info (click to toggle)
picolibc 1.5.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 27,124 kB
  • sloc: ansic: 266,005; asm: 22,255; perl: 2,388; sh: 1,016; python: 994; exp: 282; makefile: 94; xml: 39
file content (36 lines) | stat: -rw-r--r-- 672 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* 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"

#ifdef __STDC__
	float fdimf(float x, float y)
#else
	float fdimf(x,y)
	float x;
	float y;
#endif
{
  if (__fpclassifyf(x) == FP_NAN)  return(x);
  if (__fpclassifyf(y) == FP_NAN)  return(y);

  return x > y ? x - y : 0.0;
}

#ifdef _DOUBLE_IS_32BITS

#ifdef __STDC__
	double fdim(double x, double y)
#else
	double fdim(x,y)
	double x;
	double y;
#endif
{
  return (double) fdimf((float) x, (float) y);
}

#endif /* defined(_DOUBLE_IS_32BITS) */