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-rw-r--r--src/Noise.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Noise.cpp b/src/Noise.cpp
index efbb128c3..95a022ea3 100644
--- a/src/Noise.cpp
+++ b/src/Noise.cpp
@@ -744,6 +744,8 @@ void cCubicNoise::CalcFloorFrac(
int * a_Same, int & a_NumSame
) const
{
+ ASSERT(a_Size > 0);
+
NOISE_DATATYPE val = a_Start;
NOISE_DATATYPE dif = (a_End - a_Start) / (a_Size - 1);
for (int i = 0; i < a_Size; i++)