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#ifndef LAPACK_BLAS_WRAPPERS_HH
#define LAPACK_BLAS_WRAPPERS_HH
#include "blas/fortran.h"
// todo: put into BLAS++
namespace blas {
//==============================================================================
// hbmv
// -----------------------------------------------------------------------------
extern "C" {
#define BLAS_ssbmv BLAS_FORTRAN_NAME( ssbmv, SSBMV )
void BLAS_ssbmv(
char const *uplo,
blas_int const *n, blas_int const *kd,
float const *alpha,
float const *AB, blas_int const *ldab,
float const *B, blas_int const *incb,
float const *beta,
float *C, blas_int const *incc );
#define BLAS_dsbmv BLAS_FORTRAN_NAME( dsbmv, DSBMV )
void BLAS_dsbmv(
char const *uplo,
blas_int const *n, blas_int const *kd,
double const *alpha,
double const *AB, blas_int const *ldab,
double const *B, blas_int const *incb,
double const *beta,
double *C, blas_int const *incc );
#define BLAS_chbmv BLAS_FORTRAN_NAME( chbmv, CHBMV )
void BLAS_chbmv(
char const *uplo,
blas_int const *n, blas_int const *kd,
blas_complex_float const *alpha,
blas_complex_float const *AB, blas_int const *ldab,
blas_complex_float const *B, blas_int const *incb,
blas_complex_float const *beta,
blas_complex_float *C, blas_int const *incc );
#define BLAS_zhbmv BLAS_FORTRAN_NAME( zhbmv, ZHBMV )
void BLAS_zhbmv(
char const *uplo,
blas_int const *n, blas_int const *kd,
blas_complex_double const *alpha,
blas_complex_double const *AB, blas_int const *ldab,
blas_complex_double const *B, blas_int const *incb,
blas_complex_double const *beta,
blas_complex_double *C, blas_int const *incc );
} // extern "C"
// -----------------------------------------------------------------------------
/// @ingroup hbmv
inline void hbmv(
blas::Uplo uplo,
int64_t n, int64_t kd,
float alpha,
float const *AB, int64_t ldab,
float const *B, int64_t incb,
float beta,
float *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int kd_ = kd;
blas_int ldab_ = ldab;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_ssbmv( &uplo_, &n_, &kd_,
&alpha, AB, &ldab_, B, &incb_, &beta, C, &incc_ );
}
/// @ingroup hbmv
inline void hbmv(
blas::Uplo uplo,
int64_t n, int64_t kd,
double alpha,
double const *AB, int64_t ldab,
double const *B, int64_t incb,
double beta,
double *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int kd_ = kd;
blas_int ldab_ = ldab;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_dsbmv( &uplo_, &n_, &kd_,
&alpha, AB, &ldab_, B, &incb_, &beta, C, &incc_ );
}
/// @ingroup hbmv
inline void hbmv(
blas::Uplo uplo,
int64_t n, int64_t kd,
std::complex<float> alpha,
std::complex<float> const *AB, int64_t ldab,
std::complex<float> const *B, int64_t incb,
std::complex<float> beta,
std::complex<float> *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int kd_ = kd;
blas_int ldab_ = ldab;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_chbmv( &uplo_, &n_, &kd_,
(blas_complex_float*) &alpha,
(blas_complex_float*) AB, &ldab_,
(blas_complex_float*) B, &incb_,
(blas_complex_float*) &beta,
(blas_complex_float*) C, &incc_ );
}
/// @ingroup hbmv
inline void hbmv(
blas::Uplo uplo,
int64_t n, int64_t kd,
std::complex<double> alpha,
std::complex<double> const *AB, int64_t ldab,
std::complex<double> const *B, int64_t incb,
std::complex<double> beta,
std::complex<double> *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int kd_ = kd;
blas_int ldab_ = ldab;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_zhbmv( &uplo_, &n_, &kd_,
(blas_complex_double*) &alpha,
(blas_complex_double*) AB, &ldab_,
(blas_complex_double*) B, &incb_,
(blas_complex_double*) &beta,
(blas_complex_double*) C, &incc_ );
}
// -----------------------------------------------------------------------------
/// Convenience wrapper loops over hbmv; not intended to be high performance.
/// A is m-by-m, B and C are m-by-n.
/// @ingroup hbmm
template <typename scalar_t>
inline void hbmm(
blas::Uplo uplo,
int64_t m, int64_t n, int64_t kd,
scalar_t alpha,
scalar_t const *AB, int64_t ldab,
scalar_t const *B, int64_t ldb,
scalar_t beta,
scalar_t *C, int64_t ldc )
{
for (int64_t j = 0; j < n; ++j) {
hbmv( uplo, m, kd,
alpha, AB, ldab, &B[ j*ldb ], 1, beta, &C[ j*ldc ], 1 );
}
}
//==============================================================================
// hpmv
extern "C" {
// -----------------------------------------------------------------------------
#define BLAS_sspmv BLAS_FORTRAN_NAME( sspmv, SSpMV )
void BLAS_sspmv(
char const *uplo,
blas_int const *n,
float const *alpha,
float const *AP,
float const *B, blas_int const *incb,
float const *beta,
float *C, blas_int const *incc );
#define BLAS_dspmv BLAS_FORTRAN_NAME( dspmv, DSpMV )
void BLAS_dspmv(
char const *uplo,
blas_int const *n,
double const *alpha,
double const *AP,
double const *B, blas_int const *incb,
double const *beta,
double *C, blas_int const *incc );
#define BLAS_chpmv BLAS_FORTRAN_NAME( chpmv, CHpMV )
void BLAS_chpmv(
char const *uplo,
blas_int const *n,
blas_complex_float const *alpha,
blas_complex_float const *AP,
blas_complex_float const *B, blas_int const *incb,
blas_complex_float const *beta,
blas_complex_float *C, blas_int const *incc );
#define BLAS_zhpmv BLAS_FORTRAN_NAME( zhpmv, ZHpMV )
void BLAS_zhpmv(
char const *uplo,
blas_int const *n,
blas_complex_double const *alpha,
blas_complex_double const *AP,
blas_complex_double const *B, blas_int const *incb,
blas_complex_double const *beta,
blas_complex_double *C, blas_int const *incc );
} // extern "C"
// -----------------------------------------------------------------------------
/// @ingroup hpmv
inline void hpmv(
blas::Uplo uplo,
int64_t n,
float alpha,
float const *AP,
float const *B, int64_t incb,
float beta,
float *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_sspmv( &uplo_, &n_,
&alpha, AP, B, &incb_, &beta, C, &incc_ );
}
/// @ingroup hpmv
inline void hpmv(
blas::Uplo uplo,
int64_t n,
double alpha,
double const *AP,
double const *B, int64_t incb,
double beta,
double *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_dspmv( &uplo_, &n_,
&alpha, AP, B, &incb_, &beta, C, &incc_ );
}
/// @ingroup hpmv
inline void hpmv(
blas::Uplo uplo,
int64_t n,
std::complex<float> alpha,
std::complex<float> const *AP,
std::complex<float> const *B, int64_t incb,
std::complex<float> beta,
std::complex<float> *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_chpmv( &uplo_, &n_,
(blas_complex_float*) &alpha,
(blas_complex_float*) AP,
(blas_complex_float*) B, &incb_,
(blas_complex_float*) &beta,
(blas_complex_float*) C, &incc_ );
}
/// @ingroup hpmv
inline void hpmv(
blas::Uplo uplo,
int64_t n,
std::complex<double> alpha,
std::complex<double> const *AP,
std::complex<double> const *B, int64_t incb,
std::complex<double> beta,
std::complex<double> *C, int64_t incc )
{
char uplo_ = to_char( uplo );
blas_int n_ = n;
blas_int incb_ = incb;
blas_int incc_ = incc;
BLAS_zhpmv( &uplo_, &n_,
(blas_complex_double*) &alpha,
(blas_complex_double*) AP,
(blas_complex_double*) B, &incb_,
(blas_complex_double*) &beta,
(blas_complex_double*) C, &incc_ );
}
// -----------------------------------------------------------------------------
/// Convenience wrapper loops over hpmv; not intended to be high performance.
/// A is m-by-m, B and C are m-by-n.
/// @ingroup hpmm
template <typename scalar_t>
inline void hpmm(
blas::Uplo uplo,
int64_t m, int64_t n,
scalar_t alpha,
scalar_t const *AP,
scalar_t const *B, int64_t ldb,
scalar_t beta,
scalar_t *C, int64_t ldc )
{
for (int64_t j = 0; j < n; ++j) {
hpmv( uplo, m,
alpha, AP, &B[ j*ldb ], 1, beta, &C[ j*ldc ], 1 );
}
}
} // namespace blas
#endif // LAPACK_BLAS_WRAPPERS_HH
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