source: trunk/libs/newlib/src/newlib/libm/mathfp/sf_acos.c @ 471

Last change on this file since 471 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 556 bytes
Line 
1
2/* @(#)z_acosf.c 1.0 98/08/13 */
3/******************************************************************
4 * Arccosine
5 *
6 * Input:
7 *   x - floating point value
8 *
9 * Output:
10 *   arccosine of x
11 *
12 * Description:
13 *   This routine returns the arccosine of x.
14 *
15 *****************************************************************/
16
17#include "fdlibm.h"
18#include "zmath.h"
19
20float
21acosf (float x)
22{
23  return (asinef (x, 1));
24}
25
26#ifdef _DOUBLE_IS_32BITS
27double acos (double x)
28{
29  return (double) asinef ((float) x, 1);
30}
31
32#endif /* defined(_DOUBLE_IS_32BITS) */
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