#include <stdio.h>
Include dependency graph for linecros.c:
Go to the source code of this file.
Macros | |
| #define | D ((ax2 - ax1) * (by1 - by2) - (ay2 - ay1) * (bx1 - bx2)) |
| #define | D1 ((bx1 - ax1) * (by1 - by2) - (by1 - ay1) * (bx1 - bx2)) |
| #define | D2 ((ax2 - ax1) * (by1 - ay1) - (ay2 - ay1) * (bx1 - ax1)) |
Functions | |
| int | dig_test_for_intersection (double ax1, double ay1, double ax2, double ay2, double bx1, double by1, double bx2, double by2) |
| int | dig_find_intersection (double ax1, double ay1, double ax2, double ay2, double bx1, double by1, double bx2, double by2, double *x, double *y) |
Macro Definition Documentation
◆ D
| #define D ((ax2 - ax1) * (by1 - by2) - (ay2 - ay1) * (bx1 - bx2)) |
Definition at line 51 of file linecros.c.
◆ D1
| #define D1 ((bx1 - ax1) * (by1 - by2) - (by1 - ay1) * (bx1 - bx2)) |
Definition at line 53 of file linecros.c.
◆ D2
| #define D2 ((ax2 - ax1) * (by1 - ay1) - (ay2 - ay1) * (bx1 - ax1)) |
Definition at line 55 of file linecros.c.
Function Documentation
◆ dig_find_intersection()
| int dig_find_intersection | ( | double | ax1, |
| double | ay1, | ||
| double | ax2, | ||
| double | ay2, | ||
| double | bx1, | ||
| double | by1, | ||
| double | bx2, | ||
| double | by2, | ||
| double * | x, | ||
| double * | y | ||
| ) |
Definition at line 181 of file linecros.c.
◆ dig_test_for_intersection()
| int dig_test_for_intersection | ( | double | ax1, |
| double | ay1, | ||
| double | ax2, | ||
| double | ay2, | ||
| double | bx1, | ||
| double | by1, | ||
| double | bx2, | ||
| double | by2 | ||
| ) |
Definition at line 57 of file linecros.c.
