diff ext/cblas/src/cblas_dgemm.c @ 427:905e45637745

Add the CLAPACK and CBLAS/F2C-BLAS files we use

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/cblas/src/cblas_dgemm.c	Fri Sep 30 15:51:22 2016 +0100
@@ -0,0 +1,109 @@
+/*
+ *
+ * cblas_dgemm.c
+ * This program is a C interface to dgemm.
+ * Written by Keita Teranishi
+ * 4/8/1998
+ *
+ */
+
+#include "cblas.h"
+#include "cblas_f77.h"
+void cblas_dgemm(const enum CBLAS_ORDER Order, const enum CBLAS_TRANSPOSE TransA,
+                 const enum CBLAS_TRANSPOSE TransB, const int M, const int N,
+                 const int K, const double alpha, const double  *A,
+                 const int lda, const double  *B, const int ldb,
+                 const double beta, double  *C, const int ldc)
+{
+   char TA, TB;   
+#ifdef F77_CHAR
+   F77_CHAR F77_TA, F77_TB;
+#else
+   #define F77_TA &TA  
+   #define F77_TB &TB  
+#endif
+
+#ifdef F77_INT
+   F77_INT F77_M=M, F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
+   F77_INT F77_ldc=ldc;
+#else
+   #define F77_M M
+   #define F77_N N
+   #define F77_K K
+   #define F77_lda lda
+   #define F77_ldb ldb
+   #define F77_ldc ldc
+#endif
+
+   extern int CBLAS_CallFromC;
+   extern int RowMajorStrg;
+   RowMajorStrg = 0;
+   CBLAS_CallFromC = 1;
+
+   if( Order == CblasColMajor )
+   {
+      if(TransA == CblasTrans) TA='T';
+      else if ( TransA == CblasConjTrans ) TA='C';
+      else if ( TransA == CblasNoTrans )   TA='N';
+      else 
+      {
+         cblas_xerbla(2, "cblas_dgemm","Illegal TransA setting, %d\n", TransA);
+         CBLAS_CallFromC = 0;
+         RowMajorStrg = 0;
+         return;
+      }
+
+      if(TransB == CblasTrans) TB='T';
+      else if ( TransB == CblasConjTrans ) TB='C';
+      else if ( TransB == CblasNoTrans )   TB='N';
+      else 
+      {
+         cblas_xerbla(3, "cblas_dgemm","Illegal TransB setting, %d\n", TransB);
+         CBLAS_CallFromC = 0;
+         RowMajorStrg = 0;
+         return;
+      }
+
+      #ifdef F77_CHAR
+         F77_TA = C2F_CHAR(&TA);
+         F77_TB = C2F_CHAR(&TB);
+      #endif
+
+      F77_dgemm(F77_TA, F77_TB, &F77_M, &F77_N, &F77_K, &alpha, A,
+       &F77_lda, B, &F77_ldb, &beta, C, &F77_ldc);
+   } else if (Order == CblasRowMajor)
+   {
+      RowMajorStrg = 1;
+      if(TransA == CblasTrans) TB='T';
+      else if ( TransA == CblasConjTrans ) TB='C';
+      else if ( TransA == CblasNoTrans )   TB='N';
+      else 
+      {
+         cblas_xerbla(2, "cblas_dgemm","Illegal TransA setting, %d\n", TransA);
+         CBLAS_CallFromC = 0;
+         RowMajorStrg = 0;
+         return;
+      }
+      if(TransB == CblasTrans) TA='T';
+      else if ( TransB == CblasConjTrans ) TA='C';
+      else if ( TransB == CblasNoTrans )   TA='N';
+      else 
+      {
+         cblas_xerbla(2, "cblas_dgemm","Illegal TransB setting, %d\n", TransB);
+         CBLAS_CallFromC = 0;
+         RowMajorStrg = 0;
+         return;
+      }
+      #ifdef F77_CHAR
+         F77_TA = C2F_CHAR(&TA);
+         F77_TB = C2F_CHAR(&TB);
+      #endif
+
+      F77_dgemm(F77_TA, F77_TB, &F77_N, &F77_M, &F77_K, &alpha, B,
+                  &F77_ldb, A, &F77_lda, &beta, C, &F77_ldc);
+   } 
+   else  cblas_xerbla(1, "cblas_dgemm", "Illegal Order setting, %d\n", Order);
+   CBLAS_CallFromC = 0;
+   RowMajorStrg = 0;
+   return;
+}