mmp / pbrt-v3

Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys.
http://pbrt.org
BSD 2-Clause "Simplified" License
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IntersectP #298

Closed xinwen-cs closed 3 years ago

xinwen-cs commented 3 years ago

Hi, I am wondering what does P stand for in IntersectP function? Is it predicate? Thanks