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-rw-r--r--src/common/math_util.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/common/math_util.h b/src/common/math_util.h
index cdeaeb733..45a1ed367 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -10,6 +10,8 @@
namespace MathUtil {
+static constexpr float PI = 3.14159265f;
+
inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start1,
unsigned length1) {
return (std::max(start0, start1) < std::min(start0 + length0, start1 + length1));