mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-05 21:20:38 +00:00
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
//
|
|
// Copyright 2018 The Abseil 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.
|
|
//
|
|
// This test helper library contains a table of powers of 10, to guarantee
|
|
// precise values are computed across the full range of doubles. We can't rely
|
|
// on the pow() function, because not all standard libraries ship a version
|
|
// that is precise.
|
|
#ifndef ABSL_STRINGS_POW10_HELPER_H_
|
|
#define ABSL_STRINGS_POW10_HELPER_H_
|
|
|
|
#include <vector>
|
|
|
|
namespace absl {
|
|
inline namespace lts_2018_12_18 {
|
|
namespace strings_internal {
|
|
|
|
// Computes the precise value of 10^exp. (I.e. the nearest representable
|
|
// double to the exact value, rounding to nearest-even in the (single) case of
|
|
// being exactly halfway between.)
|
|
double Pow10(int exp);
|
|
|
|
} // namespace strings_internal
|
|
} // inline namespace lts_2018_12_18
|
|
} // namespace absl
|
|
|
|
#endif // ABSL_STRINGS_POW10_HELPER_H_
|