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[spline] fix wrong sign in _cairo_spline_bound.

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This commit is contained in:
Bertram Felgenhauer 2009-03-27 07:10:21 +01:00
parent 53107de63a
commit fe10cd6467
1 changed files with 1 additions and 1 deletions
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2
src/cairo-spline.c
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@ -289,7 +289,7 @@ _cairo_spline_bound (cairo_spline_add_point_func_t add_point_func,
* 0 < (-b±√delta)/a < 1 \
*/ \
if (_2ab >= 0) \
feasible = delta > b2 && delta < a*a + b2 - _2ab; \
feasible = delta > b2 && delta < a*a + b2 + _2ab; \
else if (-b / a >= 1) \
feasible = delta < b2 && delta > a*a + b2 + _2ab; \
else \