calib3d: compare error and threshold both in square

* resolve #5183
2016-07-04 19:34:47 +09:00 · 2016-07-04 19:34:47 +09:00 · 0e380ff15d
commit 0e380ff15d
parent e4cd24537e
1 changed files with 1 additions and 1 deletions
--- a/modules/calib3d/src/ptsetreg.cpp
+++ b/modules/calib3d/src/ptsetreg.cpp
@ -462,7 +462,7 @@ public:
            double b = F[4]*f.x + F[5]*f.y + F[ 6]*f.z + F[ 7] - t.y;
            double c = F[8]*f.x + F[9]*f.y + F[10]*f.z + F[11] - t.z;

-            errptr[i] = (float)std::sqrt(a*a + b*b + c*c);
+            errptr[i] = (float)(a*a + b*b + c*c);
        }
    }