#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 185 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 58 of file linecros.c.
