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- /**
- * @file
- * @brief <a href=https://math.nist.gov/MatrixMarket/>Matrix Market</a> I/O API
- */
- /*************************************************************************
- * Copyright (c) 2011 AT&T Intellectual Property
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors: Details at https://graphviz.org
- *************************************************************************/
- /*
- * Matrix Market I/O library for ANSI C
- *
- * See http://math.nist.gov/MatrixMarket for details.
- *
- *
- */
- #pragma once
- #define MM_MAX_LINE_LENGTH 100025
- #define MatrixMarketBanner "%%MatrixMarket"
- #define MM_MAX_TOKEN_LENGTH 64
- typedef enum { MS_GENERAL, MS_SYMMETRIC, MS_HERMITIAN, MS_SKEW } matrix_shape_t;
- typedef struct {
- int type; ///< one of the `MATRIX_TYPE_*` values from lib/sparse
- matrix_shape_t shape;
- } MM_typecode;
- int mm_read_banner(FILE * f, MM_typecode * matcode);
- int mm_read_mtx_crd_size(FILE * f, int *M, int *N, int *nz);
- /********************* Matrix Market error codes ***************************/
- #define MM_COULD_NOT_READ_FILE 11
- #define MM_PREMATURE_EOF 12
- #define MM_NOT_MTX 13
- #define MM_NO_HEADER 14
- #define MM_UNSUPPORTED_TYPE 15
- #define MM_LINE_TOO_LONG 16
- /******************** Matrix Market internal definitions ********************
- MM_matrix_typecode: 4-character sequence
- ojbect sparse/ data storage
- dense type scheme
- string position: [0] [1] [2] [3]
- Matrix typecode: M(atrix) C(oord) R(eal) G(eneral)
- A(array) C(omplex) H(ermitian)
- P(attern) S(ymmetric)
- I(nteger) K(kew)
- ***********************************************************************/
- #define MM_MTX_STR "matrix"
- #define MM_COORDINATE_STR "coordinate"
- #define MM_SPARSE_STR "coordinate"
- #define MM_COMPLEX_STR "complex"
- #define MM_REAL_STR "real"
- #define MM_INT_STR "integer"
- #define MM_GENERAL_STR "general"
- #define MM_SYMM_STR "symmetric"
- #define MM_HERM_STR "hermitian"
- #define MM_SKEW_STR "skew-symmetric"
- #define MM_PATTERN_STR "pattern"
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