MathUtil: add PI constant

9 years ago · 55f5d0f777
1 changed files with 2 additions and 0 deletions
--- 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));