本文整理汇总了C++中Rotation::reexpressSymMat33方法的典型用法代码示例。如果您正苦于以下问题:C++ Rotation::reexpressSymMat33方法的具体用法?C++ Rotation::reexpressSymMat33怎么用?C++ Rotation::reexpressSymMat33使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Rotation
的用法示例。
在下文中一共展示了Rotation::reexpressSymMat33方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: testReexpressSymMat33
//-------------------------------------------------------------------
// Test the tricked-out code used to rotation a symmetric dyadic
// matrix S_AA=R_AB*S_BB*R_BA.
bool testReexpressSymMat33() {
bool test = true;
const Rotation R_AB(Test::randRotation());
const SymMat33 S_BB(Test::randSymMat<3>());
const Mat33 M_BB(S_BB);
const SymMat33 S_AA = R_AB.reexpressSymMat33(S_BB);
const Mat33 M_AA = R_AB*M_BB*~R_AB;
const Mat33 MS_AA(S_AA);
test = test && (MS_AA-M_AA).norm() <= SignificantReal;
// Now put it back with an InverseRotation.
const SymMat33 isS_BB = (~R_AB).reexpressSymMat33(S_AA);
test = test && (S_BB-isS_BB).norm() <= SignificantReal;
const Rotation I; // identity
const SymMat33 S_BB_still = I.reexpressSymMat33(S_BB);
test = test && (S_BB_still-S_BB).norm() <= SignificantReal;
// Test symmetric matrix multiply (doesn't belong here).
const SymMat33 S1(Test::randSymMat<3>()), S2(Test::randSymMat<3>());
const Mat33 M1(S1), M2(S2);
const Mat33 S(S1*S2);
const Mat33 M(M1*M2);
test = test && (S-M).norm() <= SignificantReal;
const SymMat<3,Complex> SC1(Test::randComplex(),
Test::randComplex(), Test::randComplex(),
Test::randComplex(), Test::randComplex(), Test::randComplex() );
const SymMat<3,Complex> SC2(Test::randComplex(),
Test::randComplex(), Test::randComplex(),
Test::randComplex(), Test::randComplex(), Test::randComplex() );
SimTK_TEST_EQ(SC1.elt(1,0), conj(SC1.elt(0,1)));
SimTK_TEST_EQ(SC1.elt(2,0), conj(SC1.elt(0,2)));
SimTK_TEST_EQ(SC1.elt(1,2), conj(SC1.elt(2,1)));
const Mat<3,3,Complex> MC1(SC1), MC2(SC2);
const Mat<3,3,Complex> SC(SC1*SC2);
const Mat<3,3,Complex> MC(MC1*MC2);
SimTK_TEST_EQ(SC, MC);
return test;
}