func dgetrsHelper(trans bool, n, nrhs int, a []float64, lda int, ipiv []C.integer, b []float64, ldb int) error {
var (
trans_ = transChar(trans)
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.dgetrs_(&trans_, &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))
}
}
// dgetrs_(char *trans, int *n, int *nrhs, double *A, int *lda,
// int *ipiv, double *B, int *ldb, int *info);
func dgetrs(trans string, N, Nrhs int, A []float64, lda int, ipiv []int32,
B []float64, ldb int) int {
ctrans := C.CString(trans)
defer C.free(unsafe.Pointer(ctrans))
var info int = 0
C.dgetrs_(ctrans, (*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
}