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polynomial: 3rd order fixes

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Guillaume Bittoun Sam Hocevar <sam@hocevar.net> 9 years ago
parent
commit
aa2ec71ae4
1 changed files with 3 additions and 3 deletions
  1. +3
    -3
      src/lol/math/polynomial.h

+ 3
- 3
src/lol/math/polynomial.h View File

@@ -191,13 +191,13 @@ struct polynomial
{
v3_norm = u3_norm = sqrt((-n/a) * (-n/a) + abs(delta)) / 2.f;

u3_angle = atan2(sqrt(abs(delta)), (-n/(2.f*a)));
u3_angle = atan2(sqrt(abs(delta)), -n/a);
v3_angle = -u3_angle;
}
else
{
u3_norm = -n/(2.0f*a) + sqrt(delta) / 2.f;
v3_norm = -n/(2.0f*a) - sqrt(delta) / 2.f;
u3_norm = (-n/a + sqrt(delta)) / 2.f;
v3_norm = (-n/a - sqrt(delta)) / 2.f;

u3_angle = u3_norm >= 0 ? 0 : M_PI;
v3_angle = v3_norm >= 0 ? 0 : -M_PI;


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