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dont_fixmatrix flag

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Zeno Rogue 2024-06-27 22:26:18 +02:00
parent c763eb0a44
commit 8671b830cc
1 changed files with 4 additions and 1 deletions
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5
hyperpoint.cpp
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@ -993,6 +993,8 @@ EX shiftmatrix rgpushxto0(const shiftpoint& H) {
return shiftless(rgpushxto0(H.h), H.shift);
}
EX bool dont_fixmatrix;
/** \brief Fix the numerical inaccuracies in the isometry T
*
* The nature of hyperbolic geometry makes the computations numerically unstable.
@ -1001,7 +1003,8 @@ EX shiftmatrix rgpushxto0(const shiftpoint& H) {
*/
EX void fixmatrix(transmatrix& T) {
if(nonisotropic) ; // T may be inverse... do not do that
if(dont_fixmatrix) return;
else if(nonisotropic) ; // T may be inverse... do not do that
else if(cgflags & qAFFINE) ; // affine
else if(gproduct) {
auto z = zlevel(tC0(T));