From 74b9f7cb88cd21cfac3c2e50c8efb802485df0c5 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Fri, 29 May 2015 23:06:58 +0800
Subject: init

---
 tnet_io/KaldiLib/Vector.cc | 110 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 tnet_io/KaldiLib/Vector.cc

(limited to 'tnet_io/KaldiLib/Vector.cc')

diff --git a/tnet_io/KaldiLib/Vector.cc b/tnet_io/KaldiLib/Vector.cc
new file mode 100644
index 0000000..020bae2
--- /dev/null
+++ b/tnet_io/KaldiLib/Vector.cc
@@ -0,0 +1,110 @@
+#ifndef TNet_Vector_cc
+#define TNet_Vector_cc
+
+#include <cstdlib>
+#include <cmath>
+#include <cstring>
+#include <fstream>
+#include <iomanip>
+#include "Common.h"
+
+#ifdef HAVE_ATLAS
+extern "C"{
+  #include <cblas.h>
+}
+#endif
+
+#include "Common.h"
+#include "Matrix.h"
+#include "Vector.h"
+
+namespace TNet
+{
+
+#ifdef HAVE_ATLAS
+  template<>
+     float
+    BlasDot<>(const Vector<float>& rA, const Vector<float>& rB)
+    {
+      assert(rA.mDim == rB.mDim);
+      return cblas_sdot(rA.mDim, rA.pData(), 1, rB.pData(), 1);
+    }
+
+  template<>
+     double
+    BlasDot<>(const Vector<double>& rA, const Vector<double>& rB)
+    {
+      assert(rA.mDim == rB.mDim);
+      return cblas_ddot(rA.mDim, rA.pData(), 1, rB.pData(), 1);
+    }
+
+  template<>
+     Vector<float>&
+    Vector<float>::
+    BlasAxpy(const float alpha, const Vector<float>& rV)
+    {
+      assert(mDim == rV.mDim);
+      cblas_saxpy(mDim, alpha, rV.pData(), 1, mpData, 1);
+      return *this;
+    }
+
+  template<>
+     Vector<double>&
+    Vector<double>::
+    BlasAxpy(const double alpha, const Vector<double>& rV)
+    {
+      assert(mDim == rV.mDim);
+      cblas_daxpy(mDim, alpha, rV.pData(), 1, mpData, 1);
+      return *this;
+    }
+
+  template<>
+     Vector<int>&
+    Vector<int>::
+    BlasAxpy(const int alpha, const Vector<int>& rV)
+    {
+      assert(mDim == rV.mDim);
+      for(int i=0; i<Dim(); i++) {
+        (*this)[i] += rV[i];
+      }
+      return *this;
+    }
+
+
+  template<>
+     Vector<float>&
+    Vector<float>::
+    BlasGemv(const float alpha, const Matrix<float>& rM, MatrixTrasposeType trans, const Vector<float>& rV, const float beta)
+    {
+      assert((trans == NO_TRANS && rM.Cols() == rV.mDim && rM.Rows() == mDim)
+          || (trans ==    TRANS && rM.Rows() == rV.mDim && rM.Cols() == mDim));
+
+      cblas_sgemv(CblasRowMajor, static_cast<CBLAS_TRANSPOSE>(trans), rM.Rows(), rM.Cols(), alpha, rM.pData(), rM.Stride(),
+                  rV.pData(), 1, beta, mpData, 1);
+      return *this;
+    }
+
+
+
+  template<>
+     Vector<double>&
+    Vector<double>::
+    BlasGemv(const double alpha, const Matrix<double>& rM, MatrixTrasposeType trans, const Vector<double>& rV, const double beta)
+    {
+      assert((trans == NO_TRANS && rM.Cols() == rV.mDim && rM.Rows() == mDim)
+          || (trans ==    TRANS && rM.Rows() == rV.mDim && rM.Cols() == mDim));
+
+      cblas_dgemv(CblasRowMajor, static_cast<CBLAS_TRANSPOSE>(trans), rM.Rows(), rM.Cols(), alpha, rM.pData(), rM.Stride(),
+                  rV.pData(), 1, beta, mpData, 1);
+      return *this;
+    }
+
+
+#else
+      #error Routines in this section are not implemented yet without BLAS
+#endif
+
+} // namespace TNet
+
+
+#endif // TNet_Vector_tcc
-- 
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