mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-03 00:49:01 +08:00
36 lines
1.4 KiB
C++
36 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////
|
|
// File: dotproductsse.h
|
|
// Description: Architecture-specific dot-product function.
|
|
// Author: Ray Smith
|
|
// Created: Wed Jul 22 10:57:05 PDT 2015
|
|
//
|
|
// (C) Copyright 2015, 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.
|
|
///////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef TESSERACT_ARCH_DOTPRODUCTSSE_H_
|
|
#define TESSERACT_ARCH_DOTPRODUCTSSE_H_
|
|
|
|
#include "host.h"
|
|
|
|
namespace tesseract {
|
|
|
|
// Computes and returns the dot product of the n-vectors u and v.
|
|
// Uses Intel SSE intrinsics to access the SIMD instruction set.
|
|
double DotProductSSE(const double* u, const double* v, int n);
|
|
// Computes and returns the dot product of the n-vectors u and v.
|
|
// Uses Intel SSE intrinsics to access the SIMD instruction set.
|
|
int32_t IntDotProductSSE(const int8_t* u, const int8_t* v, int n);
|
|
|
|
} // namespace tesseract.
|
|
|
|
#endif // TESSERACT_ARCH_DOTPRODUCTSSE_H_
|