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Early check for Qhull overflow

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Guilhem Lavaux 2013-03-30 16:17:34 -04:00
parent 92ce95f5d2
commit 7770f40aff
1 changed files with 12 additions and 1 deletions
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13
zobov/vozinit.c
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@ -5,6 +5,8 @@
#define DL for (d=0;d<3;d++) #define DL for (d=0;d<3;d++)
#define BF 1e30 #define BF 1e30
#define QHULL_MAX_PARTICLES (1L<<24-1)
int posread(char *posfile, float ***p, float fact); int posread(char *posfile, float ***p, float fact);
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
@ -22,6 +24,7 @@ int main(int argc, char *argv[]) {
float width, width2, totwidth, totwidth2, bf, s, g; float width, width2, totwidth, totwidth2, bf, s, g;
float border, boxsize; float border, boxsize;
float c[3]; float c[3];
int numGuards;
int b[3]; int b[3];
int numThreads; int numThreads;
int mockIndex; int mockIndex;
@ -145,6 +148,14 @@ int main(int argc, char *argv[]) {
printf("Nvp range: %d,%d\n",nvpmin,nvpmax); printf("Nvp range: %d,%d\n",nvpmin,nvpmax);
printf("Nvpbuf range: %d,%d\n",nvpbufmin,nvpbufmax); printf("Nvpbuf range: %d,%d\n",nvpbufmin,nvpbufmax);
numGuards = 6*(NGUARD+1)*(NGUARD+1);
if (nvpbufmax+numGuards >= QHULL_MAX_PARTICLES)
{
printf("Too many particles to tesselate per division (Qhull will overflow). Increase divisions or reduce buffer size.");
fflush(stdout);
exit(1);
}
/* Output script file */ /* Output script file */
sprintf(scrfile,"scr%s",suffix); sprintf(scrfile,"scr%s",suffix);
printf("Writing script file to %s.\n",scrfile);fflush(stdout); printf("Writing script file to %s.\n",scrfile);fflush(stdout);
@ -152,7 +163,7 @@ int main(int argc, char *argv[]) {
if (scr == NULL) { if (scr == NULL) {
printf("Problem opening script file.\n"); printf("Problem opening script file.\n");
fflush(stdout); fflush(stdout);
exit(0); exit(1);
} }
fprintf(scr,"#!/bin/bash -f\n"); fprintf(scr,"#!/bin/bash -f\n");
p = 0; p = 0;