geopm  3.1.1.dev214+gba4f9f6d
GEOPM - Global Extensible Open Power Manager
geopm_field.h
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1 /*
2  * Copyright (c) 2015 - 2024 Intel Corporation
3  * SPDX-License-Identifier: BSD-3-Clause
4  */
5 
6 #ifndef GEOPM_FIELD_H_INCLUDE
7 #define GEOPM_FIELD_H_INCLUDE
8 #include <stdint.h>
9 #include <string.h>
10 
11 #include "geopm_public.h"
12 
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16 
24 static inline uint64_t geopm_signal_to_field(double signal)
25 {
26  uint64_t result;
27  static_assert(sizeof result == sizeof signal,
28  "geopm_signal_to_field requires that signals and fields are the same size");
29  memcpy(&result, &signal, sizeof(result));
30  return result;
31 }
32 
39 static inline double geopm_field_to_signal(uint64_t field)
40 {
41  double result;
42  static_assert(sizeof result == sizeof field,
43  "geopm_field_to_signal requires that signals and fields are the same size");
44  memcpy(&result, &field, sizeof(result));
45  return result;
46 }
47 
48 #ifdef __cplusplus
49 }
50 #endif
51 #endif