diff options
Diffstat (limited to 'src/core/testboxes.c')
| -rw-r--r-- | src/core/testboxes.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/core/testboxes.c b/src/core/testboxes.c index 739d8a3e..fecca881 100644 --- a/src/core/testboxes.c +++ b/src/core/testboxes.c @@ -27,6 +27,7 @@ #include <stdio.h> #include <X11/Xutil.h> /* Just for the definition of the various gravities */ #include <time.h> /* To initialize random seed */ +#include <math.h> #define NUM_RANDOM_RUNS 10000 @@ -1340,6 +1341,7 @@ test_gravity_resize (void) printf ("%s passed.\n", G_STRFUNC); } +#define EPSILON 0.000000001 static void test_find_closest_point_to_line (void) { @@ -1354,7 +1356,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Special test for x1 == x2, so that slop of line is infinite */ x1 = 3.0; y1 = 49.0; @@ -1365,7 +1367,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Special test for y1 == y2, so perp line has slope of infinity */ x1 = 3.14; y1 = 7.0; @@ -1376,7 +1378,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); /* Test when we the point we want to be closest to is actually on the line */ x1 = 3.0; y1 = 49.0; @@ -1387,7 +1389,7 @@ test_find_closest_point_to_line (void) x2, y2, px, py, &rx, &ry); - g_assert (rx == answer_x && ry == answer_y); + g_assert (fabs (rx - answer_x) < EPSILON && fabs (ry - answer_y) < EPSILON); printf ("%s passed.\n", G_STRFUNC); } |