fix build detect_mser sample in vc2010

9 years ago · 93e50dabcd
parent 97d8ca3464
commit 93e50dabcd
1 changed files with 2 additions and 2 deletions
--- a/samples/cpp/detect_mser.cpp
+++ b/samples/cpp/detect_mser.cpp
@ -187,7 +187,7 @@ static void onMouse(int event, int x, int y, int flags, void*)
        else
            rObs -= (float)0.1;
    }
-    float pi = (float)acos(-1.0);
+    float pi = static_cast<float>(CV_PI);
    if (thetaObs>pi)
    {
        thetaObs = -2 * pi + thetaObs;
@ -282,7 +282,7 @@ static void DrawOpenGLMSER(Mat img, Mat result)
            break;
        if (key == 0x20)
            rotateEnable = !rotateEnable;
-        float	pi = (float)acos(-1);
+        float pi = static_cast<float>(CV_PI);
        switch (key) {
            case '5':