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AP_Math: Remove an unneeded safe_sqrtf, leverage is_zero

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This commit is contained in:
Michael du Breuil 2018-11-03 15:50:10 -07:00 committed by Peter Barker
parent 6e84a31613
commit 48610ea0a0
2 changed files with 3 additions and 3 deletions
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4
libraries/AP_Math/vector2.cpp
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@ -191,7 +191,7 @@ bool Vector2<T>::circle_segment_intersection(const Vector2<T>& seg_start, const
const float delta = sq(b) - (4.0f * a * c);
// check for invalid data
if (fabsf(a) < FLT_EPSILON) {
if (::is_zero(a)) {
return false;
}
if (isnan(a) || isnan(b) || isnan(c) || isnan(delta)) {
@ -203,7 +203,7 @@ bool Vector2<T>::circle_segment_intersection(const Vector2<T>& seg_start, const
return false;
}
const float delta_sqrt = safe_sqrt(delta);
const float delta_sqrt = sqrtf(delta);
const float t1 = (-b + delta_sqrt) / (2.0f * a);
const float t2 = (-b - delta_sqrt) / (2.0f * a);

2
libraries/AP_Math/vector3.cpp
View File

@ -415,7 +415,7 @@ float Vector3<T>::distance_to_segment(const Vector3<T> &seg_start, const Vector3
float c = (seg_end-*this).length();
// protect against divide by zero later
if (fabsf(b) < FLT_EPSILON) {
if (::is_zero(b)) {
return 0.0f;
}