inline
void
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)
{
arma_type_check((is_supported_blas_type<eT>::value == false));
if(is_float<eT>::value == true)
{
typedef float T;
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);
}
else
if(is_double<eT>::value == true)
{
typedef double T;
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);
}
else
if(is_supported_complex_float<eT>::value == true)
{
typedef std::complex<float> T;
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);
}
else
if(is_supported_complex_double<eT>::value == true)
{
typedef std::complex<double> T;
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);
}
}
inline
void
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)
{
arma_type_check((is_supported_blas_type<eT>::value == false));
if(is_float<eT>::value == true)
{
typedef float T;
arma_fortran(arma_sgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
}
else
if(is_double<eT>::value == true)
{
typedef double T;
arma_fortran(arma_dgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
}
else
if(is_supported_complex_float<eT>::value == true)
{
typedef std::complex<float> T;
arma_fortran(arma_cgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
}
else
if(is_supported_complex_double<eT>::value == true)
{
typedef std::complex<double> T;
arma_fortran(arma_zgemv)(transA, m, n, (const T*)alpha, (const T*)A, ldA, (const T*)x, incx, (const T*)beta, (T*)y, incy);
}
}
inline
void
syrk(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const eT* alpha, const eT* A, const blas_int* ldA, const eT* beta, eT* C, const blas_int* ldC)
{
arma_type_check((is_supported_blas_type<eT>::value == false));
if(is_float<eT>::value == true)
{
typedef float T;
arma_fortran(arma_ssyrk)(uplo, transA, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)beta, (T*)C, ldC);
}
else
if(is_double<eT>::value == true)
{
typedef double T;
arma_fortran(arma_dsyrk)(uplo, transA, n, k, (const T*)alpha, (const T*)A, ldA, (const T*)beta, (T*)C, ldC);
}
}
inline
void
herk(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const T* alpha, const std::complex<T>* A, const blas_int* ldA, const T* beta, std::complex<T>* C, const blas_int* ldC)
{
arma_type_check((is_supported_blas_type<T>::value == false));
if(is_float<T>::value == true)
{
typedef float TT;
typedef std::complex<float> cx_TT;
arma_fortran(arma_cherk)(uplo, transA, n, k, (const TT*)alpha, (const cx_TT*)A, ldA, (const TT*)beta, (cx_TT*)C, ldC);
}
else
if(is_double<T>::value == true)
{
typedef double TT;
typedef std::complex<double> cx_TT;
arma_fortran(arma_zherk)(uplo, transA, n, k, (const TT*)alpha, (const cx_TT*)A, ldA, (const TT*)beta, (cx_TT*)C, ldC);
}
}
inline
eT
dot(const uword n_elem, const eT* x, const eT* y)
{
arma_type_check((is_supported_blas_type<eT>::value == false));
if(is_float<eT>::value == true)
{
#if defined(ARMA_BLAS_SDOT_BUG)
{
if(n_elem == 0) { return eT(0); }
const char trans = 'T';
const blas_int m = blas_int(n_elem);
const blas_int n = 1;
//const blas_int lda = (n_elem > 0) ? blas_int(n_elem) : blas_int(1);
const blas_int inc = 1;
const eT alpha = eT(1);
const eT beta = eT(0);
eT result[2]; // paranoia: using two elements instead of one
//blas::gemv(&trans, &m, &n, &alpha, x, &lda, y, &inc, &beta, &result[0], &inc);
blas::gemv(&trans, &m, &n, &alpha, x, &m, y, &inc, &beta, &result[0], &inc);
return result[0];
}
#else
{
blas_int n = blas_int(n_elem);
blas_int inc = 1;
typedef float T;
return arma_fortran(arma_sdot)(&n, (const T*)x, &inc, (const T*)y, &inc);
}
#endif
}
else
if(is_double<eT>::value == true)
{
blas_int n = blas_int(n_elem);
blas_int inc = 1;
typedef double T;
return arma_fortran(arma_ddot)(&n, (const T*)x, &inc, (const T*)y, &inc);
}
else
if( (is_supported_complex_float<eT>::value == true) || (is_supported_complex_double<eT>::value == true) )
{
if(n_elem == 0) { return eT(0); }
// using gemv() workaround due to compatibility issues with cdotu() and zdotu()
const char trans = 'T';
const blas_int m = blas_int(n_elem);
const blas_int n = 1;
//const blas_int lda = (n_elem > 0) ? blas_int(n_elem) : blas_int(1);
const blas_int inc = 1;
const eT alpha = eT(1);
const eT beta = eT(0);
eT result[2]; // paranoia: using two elements instead of one
//blas::gemv(&trans, &m, &n, &alpha, x, &lda, y, &inc, &beta, &result[0], &inc);
blas::gemv(&trans, &m, &n, &alpha, x, &m, y, &inc, &beta, &result[0], &inc);
return result[0];
}
else
{
return eT(0);
}
}
