예제 #1
0
파일: cgo_dsytrs.go 프로젝트: jvlmdr/lin-go
func dsytrsHelper(uplo Triangle, n, nrhs int, a []float64, lda int, ipiv []C.integer, b []float64, ldb int) error {
	var (
		uplo_ = uploChar(uplo)
		n_    = C.integer(n)
		nrhs_ = C.integer(nrhs)
		a_    = ptrFloat64(a)
		lda_  = C.integer(lda)
		ipiv_ = ptrInt(ipiv)
		b_    = ptrFloat64(b)
		ldb_  = C.integer(ldb)
	)
	var info_ C.integer

	C.dsytrs_(&uplo_, &n_, &nrhs_, a_, &lda_, ipiv_, b_, &ldb_, &info_)

	info := int(info_)
	switch {
	case info < 0:
		return errInvalidArg(-info)
	case info == 0:
		return nil
	default:
		panic(errUnknown(info))
	}
}
예제 #2
0
파일: cgo_double.go 프로젝트: jvlmdr/linalg
// void dsytrs_(char *uplo, int *n, int *nrhs, double *A, int *lda,
//		int *ipiv, double *B, int *ldb, int *info);
func dsytrs(uplo string, N, Nrhs int, A []float64, lda int, ipiv []int32, B []float64, ldb int) int {

	var info int = 0
	cuplo := C.CString(uplo)
	defer C.free(unsafe.Pointer(cuplo))

	C.dsytrs_(cuplo, (*C.int)(unsafe.Pointer(&N)),
		(*C.int)(unsafe.Pointer(&Nrhs)),
		(*C.double)(unsafe.Pointer(&A[0])), (*C.int)(unsafe.Pointer(&lda)),
		(*C.int)(unsafe.Pointer(&ipiv[0])),
		(*C.double)(unsafe.Pointer(&B[0])), (*C.int)(unsafe.Pointer(&ldb)),
		(*C.int)(unsafe.Pointer(&info)))
	return info

}