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1 /* ========================================================================== */ |
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2 /* === UMF_valid_symbolic =================================================== */ |
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3 /* ========================================================================== */ |
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4 |
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5 /* -------------------------------------------------------------------------- */ |
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6 /* UMFPACK Version 4.4, Copyright (c) 2005 by Timothy A. Davis. CISE Dept, */ |
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7 /* Univ. of Florida. All Rights Reserved. See ../Doc/License for License. */ |
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8 /* web: http://www.cise.ufl.edu/research/sparse/umfpack */ |
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9 /* -------------------------------------------------------------------------- */ |
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10 |
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11 #include "umf_internal.h" |
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12 |
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13 /* Returns TRUE if the Symbolic object is valid, FALSE otherwise. */ |
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14 /* The UMFPACK_report_symbolic routine does a more thorough check. */ |
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15 |
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16 GLOBAL Int UMF_valid_symbolic |
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17 ( |
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18 SymbolicType *Symbolic |
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19 ) |
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20 { |
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21 /* This routine does not check the contents of the individual arrays, so */ |
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22 /* it can miss some errors. All it checks for is the presence of the */ |
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23 /* arrays, and the Symbolic "valid" entry. */ |
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24 |
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25 if (!Symbolic) |
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26 { |
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27 return (FALSE) ; |
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28 } |
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29 |
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30 if (Symbolic->valid != SYMBOLIC_VALID) |
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31 { |
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32 /* Symbolic does not point to a SymbolicType object */ |
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33 return (FALSE) ; |
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34 } |
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35 |
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36 if (!Symbolic->Cperm_init || !Symbolic->Rperm_init || |
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37 !Symbolic->Front_npivcol || !Symbolic->Front_1strow || |
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38 !Symbolic->Front_leftmostdesc || |
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39 !Symbolic->Front_parent || !Symbolic->Chain_start || |
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40 !Symbolic->Chain_maxrows || !Symbolic->Chain_maxcols || |
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41 Symbolic->n_row <= 0 || Symbolic->n_col <= 0) |
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42 { |
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43 return (FALSE) ; |
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44 } |
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45 |
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46 return (TRUE) ; |
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47 } |
