cs.h

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2017 Pantelis Sopasakis (https://alphaville.github.io),
 *                    Krina Menounou (https://www.linkedin.com/in/krinamenounou), 
 *                    Panagiotis Patrinos (http://homes.esat.kuleuven.be/~ppatrino)
 * Copyright (c) 2012 Brendan O'Donoghue (bodonoghue85@gmail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 */
#ifndef SCS_CS_H_GUARD
#define SCS_CS_H_GUARD

#include "glbopts.h"

typedef struct scs_cs_sparse {
    scs_int nzmax; 
    scs_int m; 
    scs_int n; 
    scs_int *p; 
    scs_int *i; 
    scs_float *x; 
    scs_int nz; 
} scs_cs;

scs_cs *scs_cs_compress(const scs_cs *T);


scs_cs *scs_cs_done(scs_cs *C, void *w, void *x, scs_int ok);

scs_cs *scs_cs_spalloc(
        scs_int m, 
        scs_int n, 
        scs_int nzmax, 
        scs_int values,
        scs_int triplet);

scs_cs *scs_cs_spfree(scs_cs *A);

scs_float scs_cs_cumsum(
        scs_int *p, 
        scs_int *c, 
        scs_int n);

scs_int *scs_cs_pinv(
        scs_int const *p, 
        scs_int n);

scs_cs *scs_cs_symperm(
        const scs_cs *A, 
        const scs_int *pinv, 
        scs_int values);

#endif