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-rw-r--r--src/core/testboxes.c10
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);
}