feat: 集成Tesseract源码到项目中

Description:   由于仓库中的Tesseract不是最新版本导致产生了一个bug，因此将Tesseract源码集成到项目中

Log: no
Change-Id: I088de95d6c6ab670406daa8d47ed2ed46929c2c0

3rdparty/tesseract_ocr/tesseract/src/arch/dotproduct.h

@@ -0,0 +1,36 @@
+///////////////////////////////////////////////////////////////////////
+// File:        dotproduct.h
+// Description: Native dot product function.
+//
+// (C) Copyright 2018, 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_DOTPRODUCT_H_
+#define TESSERACT_ARCH_DOTPRODUCT_H_
+
+namespace tesseract {
+
+// Computes and returns the dot product of the n-vectors u and v.
+double DotProductNative(const double *u, const double *v, int n);
+
+// Uses Intel AVX intrinsics to access the SIMD instruction set.
+double DotProductAVX(const double *u, const double *v, int n);
+
+// Use Intel FMA.
+double DotProductFMA(const double *u, const double *v, int n);
+
+// Uses Intel SSE intrinsics to access the SIMD instruction set.
+double DotProductSSE(const double *u, const double *v, int n);
+
+} // namespace tesseract.
+
+#endif // TESSERACT_ARCH_DOTPRODUCT_H_