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Fixed overflow in Polygon::area()

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This commit is contained in:
Enrico Turri 2018-06-05 16:07:09 +02:00
parent fe3f5471e7
commit 40bb0b6f55
1 changed files with 1 additions and 1 deletions
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2
xs/src/libslic3r/Polygon.cpp
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@ -103,7 +103,7 @@ double Polygon::area() const
double a = 0.; double a = 0.;
for (size_t i = 0, j = n - 1; i < n; ++i) { for (size_t i = 0, j = n - 1; i < n; ++i) {
a += double(points[j].x + points[i].x) * double(points[i].y - points[j].y); a += ((double)points[j].x + (double)points[i].x) * ((double)points[i].y - (double)points[j].y);
j = i; j = i;
} }
return 0.5 * a; return 0.5 * a;