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Fix T83282: division by zero when creating psys tasks

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This commit is contained in:
Jacques Lucke
2021-01-05 16:17:21 +01:00
parent cffa39358f
commit 357e519575
1 changed files with 4 additions and 4 deletions
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8
source/blender/blenkernel/intern/particle_system.c
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@@ -475,15 +475,15 @@ void psys_tasks_create(ParticleThreadContext *ctx,
{
ParticleTask *tasks;
int numtasks = min_ii(BLI_system_thread_count() * 4, endpart - startpart);
float particles_per_task = (float)(endpart - startpart) / (float)numtasks, p, pnext;
int i;
float particles_per_task = numtasks > 0 ? (float)(endpart - startpart) / (float)numtasks : 0;
tasks = MEM_callocN(sizeof(ParticleTask) * numtasks, "ParticleThread");
*r_numtasks = numtasks;
*r_tasks = tasks;
p = (float)startpart;
for (i = 0; i < numtasks; i++, p = pnext) {
float pnext;
float p = (float)startpart;
for (int i = 0; i < numtasks; i++, p = pnext) {
pnext = p + particles_per_task;
tasks[i].ctx = ctx;