max@0: // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
max@0: // Copyright (C) 2008-2011 Conrad Sanderson
max@0: // 
max@0: // This file is part of the Armadillo C++ library.
max@0: // It is provided without any warranty of fitness
max@0: // for any purpose. You can redistribute this file
max@0: // and/or modify it under the terms of the GNU
max@0: // Lesser General Public License (LGPL) as published
max@0: // by the Free Software Foundation, either version 3
max@0: // of the License or (at your option) any later version.
max@0: // (see http://www.opensource.org/licenses for more info)
max@0: 
max@0: 
max@0: 
max@0: #ifdef ARMA_USE_BLAS
max@0: 
max@0: 
max@0: //! \namespace blas namespace for BLAS functions
max@0: namespace blas
max@0:   {
max@0:   
max@0:   
max@0:   template<typename eT>
max@0:   inline
max@0:   eT
max@0:   dot(const uword n_elem, const eT* x, const eT* y)
max@0:     {
max@0:     arma_ignore(n_elem);
max@0:     arma_ignore(x);
max@0:     arma_ignore(y);
max@0:     
max@0:     return eT(0);
max@0:     }
max@0:   
max@0:   
max@0:   
max@0:   template<>
max@0:   inline
max@0:   float
max@0:   dot(const uword n_elem, const float* x, const float* y)
max@0:     {
max@0:     blas_int n   = blas_int(n_elem);
max@0:     blas_int inc = blas_int(1);
max@0:     
max@0:     return arma_fortran(arma_sdot)(&n, x, &inc, y, &inc);
max@0:     }
max@0:   
max@0:   
max@0:   
max@0:   template<>
max@0:   inline
max@0:   double
max@0:   dot(const uword n_elem, const double* x, const double* y)
max@0:     {
max@0:     blas_int n   = blas_int(n_elem);
max@0:     blas_int inc = blas_int(1);
max@0:     
max@0:     return arma_fortran(arma_ddot)(&n, x, &inc, y, &inc);
max@0:     }
max@0:   
max@0:   
max@0:   
max@0:   template<typename eT>
max@0:   inline
max@0:   void
max@0:   gemv(const char* transA, const blas_int* m, const blas_int* n, const eT* alpha, const eT* A, const blas_int* ldA, const eT* x, const blas_int* incx, const eT* beta, eT* y, const blas_int* incy)
max@0:     {
max@0:     arma_type_check((is_supported_blas_type<eT>::value == false));
max@0:     
max@0:     if(is_float<eT>::value == true)
max@0:       {
max@0:       typedef float T;
max@0:       arma_fortran(arma_sgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
max@0:       }
max@0:     else
max@0:     if(is_double<eT>::value == true)
max@0:       {
max@0:       typedef double T;
max@0:       arma_fortran(arma_dgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
max@0:       }
max@0:     else
max@0:     if(is_supported_complex_float<eT>::value == true)
max@0:       {
max@0:       typedef std::complex<float> T;
max@0:       arma_fortran(arma_cgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
max@0:       }
max@0:     else
max@0:     if(is_supported_complex_double<eT>::value == true)
max@0:       {
max@0:       typedef std::complex<double> T;
max@0:       arma_fortran(arma_zgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
max@0:       }
max@0:     
max@0:     }
max@0:   
max@0:   
max@0:   
max@0:   template<typename eT>
max@0:   inline
max@0:   void
max@0:   gemm(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const eT* alpha, const eT* A, const blas_int* ldA, const eT* B, const blas_int* ldB, const eT* beta, eT* C, const blas_int* ldC)
max@0:     {
max@0:     arma_type_check((is_supported_blas_type<eT>::value == false));
max@0:     
max@0:     if(is_float<eT>::value == true)
max@0:       {
max@0:       typedef float T;
max@0:       arma_fortran(arma_sgemm)(transA, transB, m, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)B, ldB, (const T*)beta, (T*)C, ldC);
max@0:       }
max@0:     else
max@0:     if(is_double<eT>::value == true)
max@0:       {
max@0:       typedef double T;
max@0:       arma_fortran(arma_dgemm)(transA, transB, m, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)B, ldB, (const T*)beta, (T*)C, ldC);
max@0:       }
max@0:     else
max@0:     if(is_supported_complex_float<eT>::value == true)
max@0:       {
max@0:       typedef std::complex<float> T;
max@0:       arma_fortran(arma_cgemm)(transA, transB, m, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)B, ldB, (const T*)beta, (T*)C, ldC);
max@0:       }
max@0:     else
max@0:     if(is_supported_complex_double<eT>::value == true)
max@0:       {
max@0:       typedef std::complex<double> T;
max@0:       arma_fortran(arma_zgemm)(transA, transB, m, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)B, ldB, (const T*)beta, (T*)C, ldC);
max@0:       }
max@0:     
max@0:     }
max@0:   
max@0:   }
max@0: 
max@0: 
max@0: #endif