URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [mathfp/] [sf_log.c] - Blame information for rev 1774

Go to most recent revision | Details | Compare with Previous | View Log


 
/* @(#)z_logf.c 1.0 98/08/13 */
/******************************************************************
 * Logarithm
 *
 * Input:
 *   x - floating point value
 *
 * Output:
 *   natural logarithm of x
 *
 * Description:
 *   This routine returns the natural logarithm of x.
 *
 *****************************************************************/
 
#include "fdlibm.h"
#include "zmath.h"
 
float
_DEFUN (logf, (float),
        float x)
{
  return (logarithmf (x, 0));
}
 
#ifdef _DOUBLE_IS_32BITS
 
double log (double x)
{
  return (double) logf ((float) x);
}
 
#endif /* defined(_DOUBLE_IS_32BITS) */

Line No.	Rev	Author	Line
1	56	joel
2			`/* @(#)z_logf.c 1.0 98/08/13 */`
3			`/******************************************************************`
4			`* Logarithm`
5			`*`
6			`* Input:`
7			`* x - floating point value`
8			`*`
9			`* Output:`
10			`* natural logarithm of x`
11			`*`
12			`* Description:`
13			`* This routine returns the natural logarithm of x.`
14			`*`
15			`*****************************************************************/`
16
17			`#include "fdlibm.h"`
18			`#include "zmath.h"`
19
20			`float`
21			`_DEFUN (logf, (float),`
22			`float x)`
23			`{`
24			`return (logarithmf (x, 0));`
25			`}`
26
27			`#ifdef _DOUBLE_IS_32BITS`
28
29			`double log (double x)`
30			`{`
31			`return (double) logf ((float) x);`
32			`}`
33
34			`#endif /* defined(_DOUBLE_IS_32BITS) */`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [mathfp/] [sf_log.c] - Blame information for rev 1774