Improved logic for picking grid size

1c6bea76 · peastman · dcee8145 · 1c6bea76
Commit 1c6bea76 authored Jul 19, 2013 by peastman
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plugins/cpupme/src/CpuPmeKernels.cpp plugins/cpupme/src/CpuPmeKernels.cpp +2 -2

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--- a/plugins/cpupme/src/CpuPmeKernels.cpp
+++ b/plugins/cpupme/src/CpuPmeKernels.cpp
@@ -640,11 +640,11 @@ int CpuCalcPmeReciprocalForceKernel::findFFTDimension(int minimum) {
        // Attempt to factor the current value.

        int unfactored = minimum;
-        for (int factor = 2; factor < 12; factor++) {
+        for (int factor = 2; factor < 8; factor++) {
            while (unfactored > 1 && unfactored%factor == 0)
                unfactored /= factor;
        }
-        if (unfactored == 1)
+        if (unfactored == 1 || unfactored == 11 || unfactored == 13)
            return minimum;
        minimum++;
    }