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Comparison_result
|
compare_x_at_y ( Point_2<Kernel> p, Line_2<Kernel> h)
|
| |
compares the -coordinates of and the horizontal projection
of p on h; see (a) in the
figure below.
| Precondition: | h is not horizontal. |
|
|
|
Comparison_result
|
compare_x_at_y ( Point_2<Kernel> p, Line_2<Kernel> h1, Line_2<Kernel> h2)
|
| |
This function compares the -coordinates of the horizontal projection
of p on h1 and on h2; see (b) in the figure
below.
| Precondition: | h1 and h2 are not horizontal. |
|
|
|
Comparison_result
|
compare_x_at_y ( Line_2<Kernel> l1, Line_2<Kernel> l2, Line_2<Kernel> h)
|
| |
Let be the
intersection
of lines and .
This function compares the -coordinates of and
the horizontal projection of p on h; see (c) in the
figure below.
| Precondition: | l1 and l2 intersect and are not
horizontal; h is not horizontal. |
|
|
|
Comparison_result
|
compare_x_at_y ( Line_2<Kernel> l1, Line_2<Kernel> l2, Line_2<Kernel> h1, Line_2<Kernel> h2)
|
| |
Let be the
intersection
of lines and . This
function compares the -coordinates of the horizontal projection of
p on h1 and on h2; see (d) in the figure
below.
| Precondition: | l1 and l2 intersect and are not horizontal;
h1 and h2 are not horizontal. |
|
