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Diffstat (limited to 'generic')
-rw-r--r--generic/Geo.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/generic/Geo.c b/generic/Geo.c
index cf07dc3..069f53c 100644
--- a/generic/Geo.c
+++ b/generic/Geo.c
@@ -498,7 +498,8 @@ ShiftLine(ZnPoint *p1,
else {
dy_neg = False;
}
- if ((dy == 0) && (dx == 0)) {
+ if ((ABS(dy) < PRECISION_LIMIT) && (ABS(dx) < PRECISION_LIMIT)) {
+ printf("ShiftLine: segment is a point\n");
return;
}
if (dy <= dx) {
@@ -534,7 +535,7 @@ IntersectLines(ZnPoint *a1,
ZnPoint *b2,
ZnPoint *pi)
{
- int dxadyb, dxbdya, dxadxb, dyadyb, p, q;
+ ZnReal dxadyb, dxbdya, dxadxb, dyadyb, p, q;
dxadyb = (a2->x - a1->x)*(b2->y - b1->y);
dxbdya = (b2->x - b1->x)*(a2->y - a1->y);