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[Feature] Add float copy function in blas_connector #6625

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Merged
merged 1 commit into from
Oct 21, 2025
Merged

[Feature] Add float copy function in blas_connector #6625

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8 changes: 8 additions & 0 deletions source/source_base/module_external/blas_connector.h
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,9 @@ extern "C"
void caxpy_(const int *N, const std::complex<float> *alpha, const std::complex<float> *X, const int *incX, std::complex<float> *Y, const int *incY);
void zaxpy_(const int *N, const std::complex<double> *alpha, const std::complex<double> *X, const int *incX, std::complex<double> *Y, const int *incY);

void scopy_(long const *n, const float *a, int const *incx, float *b, int const *incy);
void dcopy_(long const *n, const double *a, int const *incx, double *b, int const *incy);
void ccopy_(long const *n, const std::complex<float> *a, int const *incx, std::complex<float> *b, int const *incy);
void zcopy_(long const *n, const std::complex<double> *a, int const *incx, std::complex<double> *b, int const *incy);

//reason for passing results as argument instead of returning it:
Expand Down Expand Up @@ -340,6 +342,12 @@ class BlasConnector
static
void copy(const long n, const double *a, const int incx, double *b, const int incy, base_device::AbacusDevice_t device_type = base_device::AbacusDevice_t::CpuDevice);

static
void copy(const long n, const float *a, const int incx, float *b, const int incy, base_device::AbacusDevice_t device_type = base_device::AbacusDevice_t::CpuDevice);

static
void copy(const long n, const std::complex<float> *a, const int incx, std::complex<float> *b, const int incy, base_device::AbacusDevice_t device_type = base_device::AbacusDevice_t::CpuDevice);

static
void copy(const long n, const std::complex<double> *a, const int incx, std::complex<double> *b, const int incy, base_device::AbacusDevice_t device_type = base_device::AbacusDevice_t::CpuDevice);

Expand Down
20 changes: 20 additions & 0 deletions source/source_base/module_external/blas_connector_vector.cpp
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Expand Up @@ -322,6 +322,16 @@ double BlasConnector::nrm2( const int n, const std::complex<double> *X, const in
}

// copies a into b
void BlasConnector::copy(const long n, const float *a, const int incx, float *b, const int incy, base_device::AbacusDevice_t device_type)
{
if (device_type == base_device::AbacusDevice_t::CpuDevice) {
scopy_(&n, a, &incx, b, &incy);
}
else {
throw std::invalid_argument("device_type = " + std::to_string(device_type) + " in " + std::string(__FILE__) + " line " + std::to_string(__LINE__));
}
}

void BlasConnector::copy(const long n, const double *a, const int incx, double *b, const int incy, base_device::AbacusDevice_t device_type)
{
if (device_type == base_device::AbacusDevice_t::CpuDevice) {
Expand All @@ -332,6 +342,16 @@ void BlasConnector::copy(const long n, const double *a, const int incx, double *
}
}

void BlasConnector::copy(const long n, const std::complex<float> *a, const int incx, std::complex<float> *b, const int incy, base_device::AbacusDevice_t device_type)
{
if (device_type == base_device::AbacusDevice_t::CpuDevice) {
ccopy_(&n, a, &incx, b, &incy);
}
else {
throw std::invalid_argument("device_type = " + std::to_string(device_type) + " in " + std::string(__FILE__) + " line " + std::to_string(__LINE__));
}
}

void BlasConnector::copy(const long n, const std::complex<double> *a, const int incx, std::complex<double> *b, const int incy, base_device::AbacusDevice_t device_type)
{
if (device_type == base_device::AbacusDevice_t::CpuDevice) {
Expand Down
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