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[intersect] Make calculations similar form, added const

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Barend Gehrels
2014-04-24 22:31:27 +02:00
parent 6bc9252c6a
commit 2455677196
1 changed files with 7 additions and 6 deletions
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13
include/boost/geometry/strategies/cartesian/cart_intersect.hpp
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@@ -191,13 +191,14 @@ struct relate_cartesian_segments
// (only calculated for non-collinear segments)
if (! collinear)
{
robust_coordinate_type const robust_wx = get<0>(robust_a1) - get<0>(robust_b1);
robust_coordinate_type const robust_wy = get<1>(robust_a1) - get<1>(robust_b1);
robust_coordinate_type robust_da0, robust_da;
cramers_rule(robust_dx_a, robust_dy_a, robust_dx_b, robust_dy_b,
robust_wx, robust_wy, robust_da0, robust_da);
robust_coordinate_type robust_db0, robust_db;
cramers_rule(robust_dx_a, robust_dy_a, robust_dx_b, robust_dy_b,
get<0>(robust_a1) - get<0>(robust_b1),
get<1>(robust_a1) - get<1>(robust_b1),
robust_da0, robust_da);
cramers_rule(robust_dx_b, robust_dy_b, robust_dx_a, robust_dy_a,
get<0>(robust_b1) - get<0>(robust_a1),
get<1>(robust_b1) - get<1>(robust_a1),
@@ -220,7 +221,7 @@ struct relate_cartesian_segments
if(collinear)
{
bool collinear_use_first
bool const collinear_use_first
= geometry::math::abs(robust_dx_a) + geometry::math::abs(robust_dx_b)
>= geometry::math::abs(robust_dy_a) + geometry::math::abs(robust_dy_b);
if (collinear_use_first)