Golang dsymv_ Examples

Example #1

File: cgo_double.go Project: hrautila/go.opt.old

// For symmetric matrix  and vector X solve
// Y = alpha * A * X + beta * Y
func dsymv(uplo string, N int, alpha float64,
	A []float64, lda int, X []float64, incX int, beta float64,
	Y []float64, incY int) {

	cuplo := C.CString(uplo)
	defer C.free(unsafe.Pointer(cuplo))

	C.dsymv_(cuplo, (*C.int)(unsafe.Pointer(&N)),
		(*C.double)(unsafe.Pointer(&alpha)),
		(*C.double)(unsafe.Pointer(&A[0])),
		(*C.int)(unsafe.Pointer(&lda)),
		(*C.double)(unsafe.Pointer(&X[0])),
		(*C.int)(unsafe.Pointer(&incX)),
		(*C.double)(unsafe.Pointer(&beta)),
		(*C.double)(unsafe.Pointer(&Y[0])),
		(*C.int)(unsafe.Pointer(&incY)))

}

Example #2

File: cgo_double.go Project: sguzwf/algorithm

// For symmetric matrix  and vector X solve
// Y = alpha * A * X + beta * Y
func dsymv(uplo string, N int, alpha float64,
	A []float64, lda int, X []float64, incX int, beta float64,
	Y []float64, incY int) {

	cuplo := C.CString(uplo)
	defer C.free(unsafe.Pointer(cuplo))

	// ?? TODO: protect against index out of bounds panics.
	C.dsymv_(cuplo, (*C.int)(unsafe.Pointer(&N)),
		(*C.double)(unsafe.Pointer(&alpha)),
		(*C.double)(unsafe.Pointer(&A[0])),
		(*C.int)(unsafe.Pointer(&lda)),
		(*C.double)(unsafe.Pointer(&X[0])),
		(*C.int)(unsafe.Pointer(&incX)),
		(*C.double)(unsafe.Pointer(&beta)),
		(*C.double)(unsafe.Pointer(&Y[0])),
		(*C.int)(unsafe.Pointer(&incY)))

}