Fixes artifacts in IES data interpolation where edge samples (e.g., v == 0 or h_i == h_num-1) were clamped to 0.0f instead of valid intensity values.
Fixes artifacts in IES data interpolation where edge samples (e.g., v == 0 or h_i == h_num-1) were clamped to 0.0f instead of valid intensity values.