95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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Author: 1985 Thomas L. Quarles
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**********/
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/*
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*/
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/*
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* NIinit(nistruct,loadpkg)
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*
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* Initialize the Numerical iteration package to perform Newton-Raphson
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* iterations on a sparse matrix filled by the specified load package,
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*/
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#include "ngspice/ngspice.h"
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#include "ngspice/cktdefs.h"
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#include "ngspice/sperror.h"
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#include "ngspice/smpdefs.h"
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#ifdef KLU
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#include "ngspice/klu.h"
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#endif
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int
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NIinit(CKTcircuit *ckt)
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{
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#ifdef SPARSE
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/* a concession to Ken Kundert's sparse matrix package - SMP doesn't need this*/
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int Error;
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#endif /* SPARSE */
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/* Allocation of the new SMPmatrix structure - Francesco Lannutti (2012-02) */
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ckt->CKTmatrix = TMALLOC (SMPmatrix, 1) ;
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#if defined(KLU)
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ckt->CKTmatrix->CKTkluCommon = TMALLOC (klu_common, 1) ;
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ckt->CKTmatrix->CKTkluSymbolic = NULL ;
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ckt->CKTmatrix->CKTkluNumeric = NULL ;
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ckt->CKTmatrix->CKTkluAp = NULL ;
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ckt->CKTmatrix->CKTkluAi = NULL ;
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ckt->CKTmatrix->CKTkluAx = NULL ;
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ckt->CKTmatrix->CKTkluMatrixIsComplex = CKTkluMatrixReal ;
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ckt->CKTmatrix->CKTkluIntermediate = NULL ;
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ckt->CKTmatrix->CKTkluIntermediate_Complex = NULL ;
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ckt->CKTmatrix->CKTbind_Sparse = NULL ;
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ckt->CKTmatrix->CKTbind_CSC = NULL ;
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ckt->CKTmatrix->CKTbind_CSC_Complex = NULL ;
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ckt->CKTmatrix->CKTbindStruct = NULL ;
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ckt->CKTmatrix->CKTdiag_CSC = NULL ;
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ckt->CKTmatrix->CKTkluN = 0 ;
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ckt->CKTmatrix->CKTklunz = 0 ;
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ckt->CKTmatrix->CKTkluMODE = CKTkluON ; /* TO BE SUBSTITUTED WITH THE HEURISTICS */
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klu_defaults (ckt->CKTmatrix->CKTkluCommon) ;
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#elif defined(SuperLU)
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ckt->CKTmatrix->CKTsuperluAp = NULL ;
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ckt->CKTmatrix->CKTsuperluAi = NULL ;
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ckt->CKTmatrix->CKTsuperluAx = NULL ;
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ckt->CKTmatrix->CKTsuperluPerm_r = NULL ;
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ckt->CKTmatrix->CKTsuperluPerm_c = NULL ;
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ckt->CKTmatrix->CKTsuperluInfo = 0 ;
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ckt->CKTmatrix->CKTsuperluEtree = NULL ;
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ckt->CKTmatrix->CKTsuperluIntermediate = NULL ;
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ckt->CKTmatrix->CKTbind_Sparse = NULL ;
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ckt->CKTmatrix->CKTbind_CSC = NULL ;
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ckt->CKTmatrix->CKTbind_CSC_Complex = NULL ;
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ckt->CKTmatrix->CKTdiag_CSC = NULL ;
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ckt->CKTmatrix->CKTsuperluN = 0 ;
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ckt->CKTmatrix->CKTsuperlunz = 0 ;
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ckt->CKTmatrix->CKTsuperluMODE = CKTsuperluON ; /* TO BE SUBSTITUTED WITH THE HEURISTICS */
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#elif defined(UMFPACK)
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ckt->CKTmatrix->CKTumfpackAp = NULL ;
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ckt->CKTmatrix->CKTumfpackAi = NULL ;
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ckt->CKTmatrix->CKTumfpackAx = NULL ;
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ckt->CKTmatrix->CKTumfpackSymbolic = NULL ;
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ckt->CKTmatrix->CKTumfpackNumeric = NULL ;
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ckt->CKTmatrix->CKTumfpackControl = NULL ;
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ckt->CKTmatrix->CKTumfpackInfo = NULL ;
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ckt->CKTmatrix->CKTumfpackIntermediate = NULL ;
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ckt->CKTmatrix->CKTumfpackX = NULL ;
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ckt->CKTmatrix->CKTbind_Sparse = NULL ;
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ckt->CKTmatrix->CKTbind_CSC = NULL ;
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ckt->CKTmatrix->CKTbind_CSC_Complex = NULL ;
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ckt->CKTmatrix->CKTdiag_CSC = NULL ;
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ckt->CKTmatrix->CKTumfpackN = 0 ;
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ckt->CKTmatrix->CKTumfpacknz = 0 ;
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ckt->CKTmatrix->CKTumfpackMODE = CKTumfpackON ; /* TO BE SUBSTITUTED WITH THE HEURISTICS */
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#endif
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ckt->CKTniState = NIUNINITIALIZED;
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return (SMPnewMatrix (ckt->CKTmatrix));
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}
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