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stop me before I make another ridiculous micro-optimization

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georges 2001-02-16 00:27:28 +00:00
parent 12452369c2
commit 7d05598cd7
1 changed files with 5 additions and 3 deletions
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8
panda/src/mathutil/boundingSphere.cxx
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@ -396,7 +396,7 @@ contains_lineseg(const LPoint3f &a, const LPoint3f &b) const {
// Tangent.
t1 = t2 = -B / (2.0*A);
return (t1 >= 0.0 && t1 <= 1.0) ?
IF_possible | IF_some : IF_no_intersection;
IF_possible | IF_some : IF_no_intersection;
}
if (radical < 0.0) {
@ -404,9 +404,11 @@ contains_lineseg(const LPoint3f &a, const LPoint3f &b) const {
return IF_no_intersection;
}
float reciprocal_2A = 1.0f/(2.0*A);
float 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;
if (t1 >= 0.0 && t2 <= 1.0) {
return IF_possible | IF_some | IF_all;