File: log.cl

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (26 lines) | stat: -rw-r--r-- 486 bytes parent folder | download | duplicates (23) 
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
 
#include <clc/clc.h>
#include "../clcmacro.h"

/*
 *log(x) = log2(x) * (1/log2(e))
 */

_CLC_OVERLOAD _CLC_DEF float log(float x)
{
    return log2(x) * (1.0f / M_LOG2E_F);
}

_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, log, float);

#ifdef cl_khr_fp64

#pragma OPENCL EXTENSION cl_khr_fp64 : enable

_CLC_OVERLOAD _CLC_DEF double log(double x)
{
    return log2(x) * (1.0 / M_LOG2E);
}

_CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, log, double);

#endif // cl_khr_fp64