diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/blitter/common.hpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/blitter/common.hpp b/src/blitter/common.hpp index 0e255ca9a..9019dd359 100644 --- a/src/blitter/common.hpp +++ b/src/blitter/common.hpp @@ -50,11 +50,11 @@ void Blitter::DrawLineGeneric(int x, int y, int x2, int y2, int screen_width, in /* compute frac_diff = width * sqrt(dx*dx + dy*dy) * Start interval: * max(dx, dy) <= sqrt(dx*dx + dy*dy) <= sqrt(2) * max(dx, dy) <= 3/2 * max(dx, dy) */ - int frac_sq = width * width * (dx * dx + dy * dy); + int64 frac_sq = ((int64) width) * ((int64) width) * (((int64) dx) * ((int64) dx) + ((int64) dy) * ((int64) dy)); int frac_max = 3 * frac_diff / 2; while (frac_diff < frac_max) { int frac_test = (frac_diff + frac_max) / 2; - if (frac_test * frac_test < frac_sq) { + if (((int64) frac_test) * ((int64) frac_test) < frac_sq) { frac_diff = frac_test + 1; } else { frac_max = frac_test - 1; |