Merge pull request #475 from jam3sward/issue-474

M_PI was not defined by <cmath>
syoyo · Mar 20, 2024 · b132612 · b132612
2 parents 4bfc1fc + 50d90c9
commit b132612
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/examples/glview/glview.cc b/examples/glview/glview.cc
@@ -788,8 +788,10 @@ static void QuatToAngleAxis(const std::vector<double> quaternion,
     return;
   }
 
+  constexpr double pi = 3.14159265358979323846;
+
   double denom = sqrt(1-qw*qw);
-  outAngleDegrees = angleRadians * 180.0 / M_PI;
+  outAngleDegrees = angleRadians * 180.0 / pi;
   axis[0] = qx / denom;
   axis[1] = qy / denom;
   axis[2] = qz / denom;