You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.0 KiB
35 lines
1.0 KiB
// Copyright 2013 Google Inc. All Rights Reserved. |
|
// |
|
// 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. |
|
// |
|
// Helper for rounding |
|
|
|
#ifndef WOFF2_ROUND_H_ |
|
#define WOFF2_ROUND_H_ |
|
|
|
#include <limits> |
|
|
|
namespace woff2 { |
|
|
|
// Round a value up to the nearest multiple of 4. Don't round the value in the |
|
// case that rounding up overflows. |
|
template<typename T> T Round4(T value) { |
|
if (std::numeric_limits<T>::max() - value < 3) { |
|
return value; |
|
} |
|
return (value + 3) & ~3; |
|
} |
|
|
|
} // namespace woff2 |
|
|
|
#endif // WOFF2_ROUND_H_
|
|
|