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base / numerics / ranges.h [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_NUMERICS_RANGES_H_
#define BASE_NUMERICS_RANGES_H_
#include <cmath>
#include <type_traits>
namespace base {
template <typename T>
constexpr bool IsApproximatelyEqual(T lhs, T rhs, T tolerance) {
static_assert(std::is_arithmetic_v<T>, "Argument must be arithmetic");
return std::abs(rhs - lhs) <= tolerance;
}
} // namespace base
#endif // BASE_NUMERICS_RANGES_H_