mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-25 00:07:49 +08:00
42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
///////////////////////////////////////////////////////////////////////
|
|
// File: simddetect.h
|
|
// Description: Architecture detector.
|
|
// Author: Stefan Weil (based on code from Ray Smith)
|
|
//
|
|
// (C) Copyright 2014, Google Inc.
|
|
// 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.
|
|
///////////////////////////////////////////////////////////////////////
|
|
|
|
#include "platform.h"
|
|
|
|
// Architecture detector. Add code here to detect any other architectures for
|
|
// SIMD-based faster dot product functions. Intended to be a single static
|
|
// object, but it does no real harm to have more than one.
|
|
class SIMDDetect {
|
|
public:
|
|
// Returns true if AVX is available on this system.
|
|
static inline bool IsAVXAvailable() { return detector.avx_available_; }
|
|
// Returns true if SSE4.1 is available on this system.
|
|
static inline bool IsSSEAvailable() { return detector.sse_available_; }
|
|
|
|
private:
|
|
// Constructor, must set all static member variables.
|
|
SIMDDetect();
|
|
|
|
private:
|
|
// Singleton.
|
|
static SIMDDetect detector;
|
|
// If true, then AVX has been detected.
|
|
static TESS_API bool avx_available_;
|
|
// If true, then SSe4.1 has been detected.
|
|
static TESS_API bool sse_available_;
|
|
};
|