From 55f5d0f7770ea625e283aa7878340fc80a70cfd7 Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Sun, 11 Dec 2016 23:27:30 +0200
Subject: MathUtil: add PI constant

---
 src/common/math_util.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/common/math_util.h')

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));
-- 
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