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// SuiteSparse/MATLAB_TOOLS/sparsinv/sparseinv.h
// SPARSEINV, Copyright (c) 2011, Timothy A Davis. All Rights Reserved.
// SPDX-License-Identifier: BSD-3-clause
#ifndef _SPARSEINV_H_
#define _SPARSEINV_H_
#include <stddef.h>
#ifdef MATLAB_MEX_FILE
#include "mex.h"
#define Int mwSignedIndex
#else
#define Int ptrdiff_t
#endif
Int sparseinv /* returns 1 if OK, 0 if failure */
(
/* inputs, not modified on output: */
Int n, /* L, U, D, and Z are n-by-n */
Int *Lp, /* L is sparse, lower triangular, stored by column */
Int *Li, /* the row indices of L must be sorted */
double *Lx, /* diagonal of L, if present, is ignored */
double *d, /* diagonal of D, of size n */
Int *Up, /* U is sparse, upper triangular, stored by row */
Int *Uj, /* the column indices of U need not be sorted */
double *Ux, /* diagonal of U, if present, is ignored */
Int *Zp, /* Z is sparse, stored by column */
Int *Zi, /* the row indices of Z must be sorted */
/* output, not defined on input: */
double *Zx,
/* workspace: */
double *z, /* size n, zero on input, restored as such on output */
Int *Zdiagp, /* size n */
Int *Lmunch /* size n */
) ;
#endif
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