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fd589f3919
This macro has some advantages over the standard library one: - It prints the place where the macro was triggered - It "references" the condition even in Release to avoid warnings - In release, if possible, it gives compiler hints It is basically is stripped down version of the ASSERT macros I wrote for the Daemon engine in src/common/Assert.h This commit also removes the stray "backend" namespaces for common/ code.
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef COMMON_MATH_H_
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#define COMMON_MATH_H_
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#include <cstddef>
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#include <cstdint>
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// The following are not valid for 0
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uint32_t ScanForward(uint32_t bits);
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uint32_t Log2(uint32_t value);
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bool IsPowerOfTwo(size_t n);
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bool IsAligned(const void* ptr, size_t alignment);
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void* AlignVoidPtr(void* ptr, size_t alignment);
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template<typename T>
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T* Align(T* ptr, size_t alignment) {
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return reinterpret_cast<T*>(AlignVoidPtr(ptr, alignment));
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}
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template<typename T>
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const T* Align(const T* ptr, size_t alignment) {
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return reinterpret_cast<const T*>(AlignVoidPtr(const_cast<T*>(ptr), alignment));
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}
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#endif // COMMON_MATH_H_
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