Fix new boolean performance bug.
The code that decided to use a faster double version of plane side testing forgot to take an absolute value, so half the time the exact code was being used when it was unnecessary.
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@ -1550,7 +1550,7 @@ static int filter_plane_side(const double3 &p,
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}
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double supremum = double3::dot(abs_p + abs_plane_p, abs_plane_no);
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double err_bound = supremum * index_plane_side * DBL_EPSILON;
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if (d > err_bound) {
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if (fabs(d) > err_bound) {
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return d > 0 ? 1 : -1;
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}
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return 0;
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