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Created with Raphaël 2.2.023May17125Apr2221181110865432131Mar2928172Feb31Jan3028262423222119171413109514Dec1319Nov1087519Oct181473Sep2131Aug17151311May29Apr282726232221191528Mar2322181714131098726Feb191817161513121110965421Jan191323Oct2221191513824Sep19Aug526May17126530Apr29282723222120use the ValueFactoryUse the ValueFactory also to create Rotation<3,double> objectsmerge 2d and 3d tests into a single method. All differences are now handled by ValueFactoryuse the new value factory to test the UnitVector classA factory that produces sets of test values for various target spacesTest SO(3) as wellcatch exceptionsfix various compiler warningsimplement unit test for SO(3)add additional braces to avoid compiler warningsUnit test for the singular value decompositionremove the specialization for Rotations, it is not used anywaysdon't compute and measure on the last grid. Since we are doing uniform refinement that last grid is equal to the reference grid. Hence computing there will lead to an error of zero and is a waste of timeImplement method evaluateDerivative using the orthonormal framewrite the computed errors into a fileAllow to compute the gradient of the harmonic energy functionalfix memory leakremove some debugging codeadd a commentadd support for unstructured gridsdocumentation fixadd missing headerminor documentation fixtest method orthonormalFrameadjust the bounds for when to use the series expansions for the derivatives of arccos squaredBugfix: Grassia's sign bug in the power series of the sinc function was here, tooImplement the derivative of a gfe function value wrt the coefficients.more cleanupminor cleanupadd method to compute gfe function gradient by a finite-difference approximationrename method assembleHessian of AverageDistanceAssembler to assembleEmbeddedHessian, to make clearer what it doesavoid a few signed/unsigned compiler warningsmethod to compute the actual Hesse matrix. For some strange reason this slows down convergence, rather than speeding it up. to be investigatedremove some debug codeuse more test points for testing the derivatives of function valuesmore digits for the screen outputtest the derivative of the values wrt the coefficientsuse fd approximation provided by the LocalGFEFunctiontest the third derivative of the squared distance wrt the second argumentadd methods axpy and left-multiplication by a FieldMatrix