Changeset 307e0a in git

Timestamp:

Jun 11, 1999, 2:29:49 PM (24 years ago)

Author:

Mathias Schulze <mschulze@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', 'a800fe4b3e9d37a38c5a10cc0ae9dfa0c15a4ee6')

Children:

2f9ffda061041b06796e3909ff24d737949de51c

Parents:

8530861c48b068d80ac982d7406251b7209023eb

Message:

*** empty log message ***


git-svn-id: file:///usr/local/Singular/svn/trunk@3123 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/pcv.cc (modified) (4 diffs)

Singular/pcv.cc

@@ -2 +2 @@
 *  Computer Algebra System SINGULAR      *
 *****************************************/
-/* $Id: pcv.cc,v 1.21 1999-06-09 11:53:12 mschulze Exp $ */
+/* $Id: pcv.cc,v 1.22 1999-06-11 12:29:49 mschulze Exp $ */
 /*
 * ABSTRACT: conversion between polys and coef vectors
@@ -164 +164 @@
 void pcvInit(int d)
 {
-  if(d<0) d=0;
-  pcvMaxDegree=d;
+  if(d<0) d=1;
+  pcvMaxDegree=d+1;
   pcvTableSize=pVariables*pcvMaxDegree*sizeof(unsigned);
   pcvTable=(unsigned*)Alloc0(pcvTableSize);
@@ -179 +179 @@
     for(int j=0;j<pcvMaxDegree;j++)
     {
-      x+=pcvIndex[i-1][j];
-      pcvIndex[i][j]=x;
+      unsigned y=pcvIndex[i-1][j];
+      if(y>MAX_COMPONENT-x)
+      {
+        j=pcvMaxDegree;
+        i=pVariables;
+        WerrorS("component overflow");
+      }
+      pcvIndex[i][j]=x+=y;
     }
   }
@@ -368 +374 @@
   if(d0<0) d0=0;
   if(d1<0) d1=0;
-  pcvInit(d1+1);
+  pcvInit(d1);
   int d=pcvIndex[pVariables-1][d1]-pcvIndex[pVariables-1][d0];
   pcvClean();