rename Placement.isNull to Placement.isIdentity

implement Rotation.isNull and Rotation.isIdentity
2017-12-13 16:58:12 +01:00
parent 28f7047bff
commit 25bf33077e
6 changed files with 33 additions and 11 deletions
--- a/src/Base/Rotation.cpp
+++ b/src/Base/Rotation.cpp
@@ -658,6 +658,15 @@ void Rotation::getYawPitchRoll(double& y, double& p, double& r) const
    r = (r/D_PI)*180;
 }

+bool Rotation::isIdentity() const
+{
+    return ((this->quat[0] == 0  &&
+             this->quat[1] == 0  &&
+             this->quat[2] == 0) &&
+            (this->quat[3] == 1 ||
+             this->quat[3] == -1);
+}
+
 bool Rotation::isNull() const
 {
    return (this->quat[0] == 0 &&