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fix: remove redundant copy operation to fix warning (#3486)

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* fix compiler warning: deprecated implicit copy constructor

* take care of the bug http://eigen.tuxfamily.org/bz/show_bug.cgi?id=747

* add parenthesis for better reading

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* Update include/pybind11/eigen.h

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Lishen1 2021-11-22 23:27:00 +03:00 committed by GitHub
parent 9281faf429
commit 5d067e870a
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1 changed files with 6 additions and 8 deletions
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14
include/pybind11/eigen.h
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@ -80,14 +80,12 @@ template <bool EigenRowMajor> struct EigenConformable {
// Matrix type:
EigenConformable(EigenIndex r, EigenIndex c,
EigenIndex rstride, EigenIndex cstride) :
conformable{true}, rows{r}, cols{c} {
// TODO: when Eigen bug #747 is fixed, remove the tests for non-negativity. http://eigen.tuxfamily.org/bz/show_bug.cgi?id=747
if (rstride < 0 || cstride < 0) {
negativestrides = true;
} else {
stride = {EigenRowMajor ? rstride : cstride /* outer stride */,
EigenRowMajor ? cstride : rstride /* inner stride */ };
}
conformable{true}, rows{r}, cols{c},
//TODO: when Eigen bug #747 is fixed, remove the tests for non-negativity. http://eigen.tuxfamily.org/bz/show_bug.cgi?id=747
stride{EigenRowMajor ? (rstride > 0 ? rstride : 0) : (cstride > 0 ? cstride : 0) /* outer stride */,
EigenRowMajor ? (cstride > 0 ? cstride : 0) : (rstride > 0 ? rstride : 0) /* inner stride */ },
negativestrides{rstride < 0 || cstride < 0} {
}
// Vector type:
EigenConformable(EigenIndex r, EigenIndex c, EigenIndex stride)