1 files changed, 96 insertions, 0 deletions
diff --git a/btl/libs/BLAS/blas_interface_impl.hh b/btl/libs/BLAS/blas_interface_impl.hh
new file mode 100644
index 0000000..63883a9
--- /dev/null
+++ b/btl/libs/BLAS/blas_interface_impl.hh
@@ -0,0 +1,96 @@
+//=====================================================
+// Copyright (C) 2011 Andrea Arteaga <andyspiros@gmail.com>
+//=====================================================
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+
+#define BLAS_FUNC(NAME) CAT(CAT(SCALAR_PREFIX,NAME),_)
+
+template<> class blas_interface<SCALAR> : public c_interface_base<SCALAR>
+{
+
+public :
+  
+  static SCALAR fone;
+  static SCALAR fzero;
+
+  static inline std::string name()
+  {
+    return MAKE_STRING(CBLASNAME);
+  }
+
+  static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    BLAS_FUNC(gemv)(&notrans,&N,&N,&fone,A,&N,B,&intone,&fzero,X,&intone);
+  }
+
+  static inline void symv(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    BLAS_FUNC(symv)(&lower, &N,&fone,A,&N,B,&intone,&fzero,X,&intone);
+  }
+
+  static inline void syr2(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    BLAS_FUNC(syr2)(&lower,&N,&fone,B,&intone,X,&intone,A,&N);
+  }
+
+  static inline void ger(gene_matrix & A, gene_vector & X, gene_vector & Y, int N){
+    BLAS_FUNC(ger)(&N,&N,&fone,X,&intone,Y,&intone,A,&N);
+  }
+
+  static inline void rot(gene_vector & A,  gene_vector & B, SCALAR c, SCALAR s, int N){
+    BLAS_FUNC(rot)(&N,A,&intone,B,&intone,&c,&s);
+  }
+
+  static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
+    BLAS_FUNC(gemv)(&trans,&N,&N,&fone,A,&N,B,&intone,&fzero,X,&intone);
+  }
+
+  static inline void matrix_matrix_product(gene_matrix & A, gene_matrix & B, gene_matrix & X, int N){
+    BLAS_FUNC(gemm)(&notrans,&notrans,&N,&N,&N,&fone,A,&N,B,&N,&fzero,X,&N);
+  }
+
+  static inline void transposed_matrix_matrix_product(gene_matrix & A, gene_matrix & B, gene_matrix & X, int N){
+    BLAS_FUNC(gemm)(&notrans,&notrans,&N,&N,&N,&fone,A,&N,B,&N,&fzero,X,&N);
+  }
+
+  static inline void aat_product(gene_matrix & A, gene_matrix & X, int N){
+    BLAS_FUNC(syrk)(&lower,&notrans,&N,&N,&fone,A,&N,&fzero,X,&N);
+  }
+
+  static inline void axpy(SCALAR coef, const gene_vector & X, gene_vector & Y, int N){
+    BLAS_FUNC(axpy)(&N,&coef,X,&intone,Y,&intone);
+  }
+
+  static inline void axpby(SCALAR a, const gene_vector & X, SCALAR b, gene_vector & Y, int N){
+    BLAS_FUNC(scal)(&N,&b,Y,&intone);
+    BLAS_FUNC(axpy)(&N,&a,X,&intone,Y,&intone);
+  }
+
+  static inline void trisolve_lower(const gene_matrix & L, const gene_vector& B, gene_vector & X, int N){
+    BLAS_FUNC(copy)(&N, B, &intone, X, &intone);
+    BLAS_FUNC(trsv)(&lower, &notrans, &nonunit, &N, L, &N, X, &intone);
+  }
+
+  static inline void trisolve_lower_matrix(const gene_matrix & L, const gene_matrix& B, gene_matrix & X, int N){
+    BLAS_FUNC(copy)(&N, B, &intone, X, &intone);
+    BLAS_FUNC(trsm)(&right, &lower, &notrans, &nonunit, &N, &N, &fone, L, &N, X, &N);
+  }
+
+  static inline void trmm(gene_matrix & A, gene_matrix & B, gene_matrix & X, int N){
+    BLAS_FUNC(trmm)(&left, &lower, &notrans,&nonunit, &N,&N,&fone,A,&N,B,&N);
+  }
+
+};
+
+SCALAR blas_interface<SCALAR>::fone = SCALAR(1);
+SCALAR blas_interface<SCALAR>::fzero = SCALAR(0);