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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* CMetrics
* ========
* Copyright 2021-2022 The CMetrics Authors
*
* 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.
*/
#ifndef CMT_MATH_H
#define CMT_MATH_H
#include <inttypes.h>
#include <string.h>
union val_union {
uint64_t u;
double d;
};
/*
* This is not rocket-science and to make things easier we assume that operating on
* floating pointer numbers we will lose precision. So we just do simple casts.
*/
static inline uint64_t cmt_math_d64_to_uint64(double val)
{
union val_union u;
u.d = val;
return u.u;
}
static inline double cmt_math_uint64_to_d64(uint64_t val)
{
union val_union u;
u.u = val;
return u.d;
}
#endif
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