static void SuperLU_dealloc(SuperLUObject * self)
{
Py_XDECREF(self->cached_U);
Py_XDECREF(self->cached_L);
self->cached_U = NULL;
self->cached_L = NULL;
SUPERLU_FREE(self->perm_r);
SUPERLU_FREE(self->perm_c);
self->perm_r = NULL;
self->perm_c = NULL;
XDestroy_SuperNode_Matrix(&self->L);
XDestroy_CompCol_Matrix(&self->U);
PyObject_Del(self);
}
static PyObject *
Py_gssv(PyObject *self, PyObject *args, PyObject *kwdict)
{
PyObject *Py_B=NULL, *Py_X=NULL;
PyArrayObject *nzvals=NULL;
PyArrayObject *colind=NULL, *rowptr=NULL;
int N, nnz;
int info;
int csc=0;
int *perm_r=NULL, *perm_c=NULL;
SuperMatrix A = {0}, B = {0}, L = {0}, U = {0};
superlu_options_t options = {0};
SuperLUStat_t stat = {0};
PyObject *option_dict = NULL;
int type;
int ssv_finished = 0;
static char *kwlist[] = {"N","nnz","nzvals","colind","rowptr","B", "csc",
"options",NULL};
/* Get input arguments */
if (!PyArg_ParseTupleAndKeywords(args, kwdict, "iiO!O!O!O|iO", kwlist,
&N, &nnz, &PyArray_Type, &nzvals,
&PyArray_Type, &colind, &PyArray_Type,
&rowptr, &Py_B, &csc, &option_dict)) {
return NULL;
}
if (!_CHECK_INTEGER(colind) || !_CHECK_INTEGER(rowptr)) {
PyErr_SetString(PyExc_TypeError,
"colind and rowptr must be of type cint");
return NULL;
}
type = PyArray_TYPE(nzvals);
if (!CHECK_SLU_TYPE(type)) {
PyErr_SetString(PyExc_TypeError,
"nzvals is not of a type supported by SuperLU");
return NULL;
}
if (!set_superlu_options_from_dict(&options, 0, option_dict, NULL, NULL)) {
return NULL;
}
/* Create Space for output */
Py_X = PyArray_CopyFromObject(Py_B, type, 1, 2);
if (Py_X == NULL) return NULL;
if (csc) {
if (NCFormat_from_spMatrix(&A, N, N, nnz, nzvals, colind, rowptr,
type)) {
Py_DECREF(Py_X);
return NULL;
}
}
else {
if (NRFormat_from_spMatrix(&A, N, N, nnz, nzvals, colind, rowptr,
type)) {
Py_DECREF(Py_X);
return NULL;
}
}
if (DenseSuper_from_Numeric(&B, Py_X)) {
Destroy_SuperMatrix_Store(&A);
Py_DECREF(Py_X);
return NULL;
}
/* B and Py_X share same data now but Py_X "owns" it */
/* Setup options */
if (setjmp(_superlu_py_jmpbuf)) {
goto fail;
}
else {
perm_c = intMalloc(N);
perm_r = intMalloc(N);
StatInit(&stat);
/* Compute direct inverse of sparse Matrix */
gssv(type, &options, &A, perm_c, perm_r, &L, &U, &B, &stat, &info);
}
ssv_finished = 1;
SUPERLU_FREE(perm_r);
SUPERLU_FREE(perm_c);
Destroy_SuperMatrix_Store(&A); /* holds just a pointer to the data */
Destroy_SuperMatrix_Store(&B);
Destroy_SuperNode_Matrix(&L);
Destroy_CompCol_Matrix(&U);
StatFree(&stat);
return Py_BuildValue("Ni", Py_X, info);
fail:
SUPERLU_FREE(perm_r);
SUPERLU_FREE(perm_c);
XDestroy_SuperMatrix_Store(&A); /* holds just a pointer to the data */
XDestroy_SuperMatrix_Store(&B);
XDestroy_SuperNode_Matrix(&L);
XDestroy_CompCol_Matrix(&U);
XStatFree(&stat);
Py_XDECREF(Py_X);
return NULL;
}