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appleseedhq / appleseed

A modern open source rendering engine for animation and visual effects
https://appleseedhq.net/
MIT License
2.19k stars 329 forks source link

Fix clamp usage in frensel.h #2904

Closed dgmzc closed 3 years ago

dgmzc commented 3 years ago

clamp is to be used with a return value.

This caused negative values to be calculated for some samples.