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teeny optimization

This commit is contained in:
georges 2001-02-16 00:03:34 +00:00
parent aa19efb995
commit db3decdaf8
1 changed files with 5 additions and 4 deletions
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9
panda/src/collide/collisionSphere.cxx
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@ -309,7 +309,7 @@ intersects_line(double &t1, double &t2,
if (IS_NEARLY_ZERO(radical)) {
// Tangent.
t1 = t2 = -B / (2.0*A);
t1 = t2 = -B /(2.0*A);
return true;
}
@ -318,10 +318,11 @@ intersects_line(double &t1, double &t2,
return false;
}
double reciprocal_2A = 1.0f/(2.0*A);
double sqrt_radical = sqrtf(radical);
t1 = ( -B - sqrt_radical ) / (2.0*A);
t2 = ( -B + sqrt_radical ) / (2.0*A);
t1 = ( -B - sqrt_radical ) * reciprocal_2A;
t2 = ( -B + sqrt_radical ) * reciprocal_2A;
return true;
}