command mrdump

ChangeLog

@@ -1,3 +1,7 @@
+2012-02-19  Holger Vogt
+ * com_cdump.c, com_cdump.h, commands.c, smpdefs.h, spoutput.c, spsmp.c,
+   command mrdump to dump the RHS of the matrix to stdout or to a file
+
 2012-02-19  Holger Vogt
  * spiceif.c: savesnap, loadsnap enabled (still experimental!)
  * com_cdump.c, com_cdump.h, commands.c, smpdefs.h, spoutput.c, spsmp.c,

src/frontend/com_cdump.c

@@ -172,3 +172,29 @@ com_mdump(wordlist *wl)
     
     return;
 }
+
+void
+com_rdump(wordlist *wl)
+{
+    CKTcircuit *ckt = NULL;
+    char *s;
+    
+    if (!ft_curckt || !ft_curckt->ci_ckt) {
+        fprintf(cp_err, "Error: no circuit loaded.\n");
+        return;
+    }
+
+    ckt = ft_curckt->ci_ckt;
+    
+    if ((ckt->CKTmatrix) && (ckt->CKTrhs))
+        if (wl == NULL)
+            SMPprintRHS( ckt->CKTmatrix , NULL, ckt->CKTrhs, ckt->CKTirhs);
+        else {
+            s = cp_unquote(wl->wl_word);
+            SMPprintRHS( ckt->CKTmatrix , s, ckt->CKTrhs, ckt->CKTirhs);
+        }
+    else
+        fprintf(cp_err, "Error: no matrix or RHS available.\n");
+    
+    return;
+}

src/frontend/com_cdump.h

@@ -3,6 +3,7 @@
 
 void com_cdump(wordlist *wl);
 void com_mdump(wordlist *wl);
+void com_rdump(wordlist *wl);
 #define TABINDENT 2 /* CDHW */  /* The orginal value was 8 */
 
 #endif

src/frontend/commands.c

@@ -553,6 +553,10 @@ struct comm spcp_coms[] = {
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
       NULL,
       "outfile: Dump the current matrix." } ,
+    { "mrdump", com_rdump, FALSE, FALSE,
+      { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
+      NULL,
+      "outfile: Dump the current RHS to file." } ,
     { "settype", com_stype, FALSE, FALSE,
       { 0200000, 040000, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
       NULL,

src/include/ngspice/smpdefs.h

@@ -31,6 +31,7 @@ int SMPnewMatrix( SMPmatrix ** );
 void SMPdestroy( SMPmatrix *);
 int SMPpreOrder( SMPmatrix *);
 void SMPprint( SMPmatrix * , char *);
+void SMPprintRHS( SMPmatrix * , char *, double*, double*);
 void SMPgetError( SMPmatrix *, int *, int *);
 int SMPcProdDiag( SMPmatrix *, SPcomplex *, int *);
 int SMPcDProd(SMPmatrix *Matrix, SPcomplex *pMantissa, int *pExponent);

src/maths/sparse/spoutput.c

@@ -606,10 +606,14 @@ spFileVector(MatrixPtr eMatrix, char *File, RealVector RHS, RealVector iRHS)
     /* Begin `spFileVector'. */
     assert( IS_SPARSE( Matrix ) && RHS != NULL);
 
-    /* Open File in append mode. */
-    pMatrixFile = fopen(File,"a");
-    if (pMatrixFile == NULL)
-	return 0;
+    if (File) {
+        /* Open File in append mode. */
+        pMatrixFile = fopen(File,"a");
+        if (pMatrixFile == NULL)
+	    return 0;
+    }
+    else 
+        pMatrixFile=stdout;
 
     /* Output vector. */
     Size = Matrix->Size;
@@ -634,7 +638,8 @@ spFileVector(MatrixPtr eMatrix, char *File, RealVector RHS, RealVector iRHS)
     }
 
     /* Close file. */
-    if (fclose(pMatrixFile) < 0) return 0;
+    if (File)
+        if (fclose(pMatrixFile) < 0) return 0;
     return 1;
 }
 

src/maths/sparse/spsmp.c

@@ -277,6 +277,16 @@ SMPpreOrder(SMPmatrix *Matrix)
     return spError( Matrix );
 }
 
+/*
+ * SMPprint()
+ */
+
+void
+SMPprintRHS(SMPmatrix *Matrix, char *Filename, RealVector RHS, RealVector iRHS)
+{
+        spFileVector( Matrix, Filename, RHS, iRHS );
+}
+
 /*
  * SMPprint()
  */