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inverse_exp more precise for very small vectors

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Zeno Rogue 2021-10-07 12:40:52 +02:00
parent 8bdf5aa404
commit ac54fe909d
1 changed files with 2 additions and 0 deletions
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2
hyperpoint.cpp
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@ -1468,6 +1468,8 @@ constexpr flagtype pNORMAL = 0;
EX hyperpoint inverse_exp(const shiftpoint h, flagtype prec IS(pNORMAL)) { EX hyperpoint inverse_exp(const shiftpoint h, flagtype prec IS(pNORMAL)) {
#if CAP_SOLV #if CAP_SOLV
if(sn::in()) { if(sn::in()) {
/* this will be more precise for use in set_view in intra */
if(sqhypot_d(3, h.h) < 2e-9) return h.h - C0;
if(nih) if(nih)
return sn::get_inverse_exp_nsym(h.h, prec); return sn::get_inverse_exp_nsym(h.h, prec);
else else