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add uniform scale/prescale functions in Tranform

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This commit is contained in:
Gael Guennebaud
2008-08-30 23:10:46 +00:00
parent 9c450a52a2
commit 5c8c09e021
3 changed files with 38 additions and 10 deletions
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18
test/geometry.cpp
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@@ -157,6 +157,16 @@ template<typename Scalar> void geometry(void)
VERIFY_IS_APPROX(t1.matrix(), t0.matrix());
VERIFY_IS_APPROX(t1*v1, t0*v1);
t0.setIdentity(); t0.scale(v0).rotate(q1.toRotationMatrix());
t1.setIdentity(); t1.scale(v0).rotate(q1);
VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
t0.setIdentity(); t0.scale(v0).rotate(AngleAxis(q1));
VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
VERIFY_IS_APPROX(t0.scale(a).matrix(), t1.scale(Vector3::Constant(a)).matrix());
VERIFY_IS_APPROX(t0.prescale(a).matrix(), t1.prescale(Vector3::Constant(a)).matrix());
// 2D transformation
Transform2 t20, t21;
Vector2 v20 = test_random_matrix<Vector2>();
@@ -173,14 +183,6 @@ template<typename Scalar> void geometry(void)
VERIFY( (t20.fromPositionOrientationScale(v20,a,v21)
* (t21.prescale(v21.cwise().inverse()).translate(-v20))).isIdentity(test_precision<Scalar>()) );
t0.setIdentity(); t0.scale(v0).rotate(q1.toRotationMatrix());
t1.setIdentity(); t1.scale(v0).rotate(q1);
VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
t0.setIdentity(); t0.scale(v0).rotate(AngleAxis(q1));
VERIFY_IS_APPROX(t0.matrix(), t1.matrix());
// Transform - new API
// 3D
t0.setIdentity();