blob: 5d7033719e02e5bf2866498c3349812992b46396 (
plain)
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/math.h $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include <stdint.h>
#include <builtins.h>
#ifndef _MATH_H
#define _MATH_H
#ifdef __cplusplus
extern "C"
{
#endif
ALWAYS_INLINE
static inline int64_t log2(uint64_t s)
{
int64_t n = cntlzd(s);
return 63-n;
}
double sqrt(double) __attribute__((const));
/**
* @brief power function
*
* @param[in] base - value of base
* @param[in] exp - value of exponential
*
* @return value of the value of base raised to the power of exp.
*
*/
uint64_t pow(const uint32_t base, const uint32_t exp);
#ifdef __cplusplus
};
#endif
#endif
|