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

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [mathfp/] [s_ispos.c] - Blame information for rev 1777

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


 
/* @(#)z_ispos.c 1.0 98/08/13 */
/******************************************************************
 * Numtest
 *
 * Input:
 *   x - pointer to a floating point value
 *
 * Output:
 *   An integer that indicates if the number is positive.
 *
 * Description:
 *   This routine returns an integer that indicates if the number
 *   passed in is positive (1) or negative (0).
 *
 *****************************************************************/
 
#include "fdlibm.h"
#include "zmath.h"
 
#ifndef _DOUBLE_IS_32BITS
 
int ispos (double x)
{
  __uint32_t hx;
 
  GET_HIGH_WORD (hx, x);
 
  if (hx & 0x80000000)
    return (0);
  else
    return (1);
}
 
#endif /* _DOUBLE_IS_32BITS */

Line No.	Rev	Author	Line
1	56	joel
2			`/* @(#)z_ispos.c 1.0 98/08/13 */`
3			`/******************************************************************`
4			`* Numtest`
5			`*`
6			`* Input:`
7			`* x - pointer to a floating point value`
8			`*`
9			`* Output:`
10			`* An integer that indicates if the number is positive.`
11			`*`
12			`* Description:`
13			`* This routine returns an integer that indicates if the number`
14			`* passed in is positive (1) or negative (0).`
15			`*`
16			`*****************************************************************/`
17
18			`#include "fdlibm.h"`
19			`#include "zmath.h"`
20
21			`#ifndef _DOUBLE_IS_32BITS`
22
23			`int ispos (double x)`
24			`{`
25			`__uint32_t hx;`
26
27			`GET_HIGH_WORD (hx, x);`
28
29			`if (hx & 0x80000000)`
30			`return (0);`
31			`else`
32			`return (1);`
33			`}`
34
35			`#endif /* _DOUBLE_IS_32BITS */`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [newlib/] [libm/] [mathfp/] [s_ispos.c] - Blame information for rev 1777