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use std::abs instead of hand-rolled substitute

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This commit is contained in:
Dennis Luxen 2014-05-13 12:22:14 +02:00
parent 2720f4de9c
commit 111dea89a9
1 changed files with 4 additions and 3 deletions
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7
Util/ComputeAngle.h
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@ -721,12 +721,11 @@ constexpr unsigned short atan_table[4096] = {
}; };
// max value is pi/4 // max value is pi/4
constexpr double SCALING_FACTOR = 4 / M_PI * 0xFFFF; constexpr double SCALING_FACTOR = 4. / M_PI * 0xFFFF;
inline double atan2_lookup(double y, double x) inline double atan2_lookup(double y, double x)
{ {
if (((x > 0.) && (x < std::numeric_limits<double>::epsilon())) || if (std::abs(x) < std::numeric_limits<double>::epsilon())
((x < 0.) && (x > -std::numeric_limits<double>::epsilon())))
{ {
if (y >= 0.) if (y >= 0.)
{ {
@ -803,7 +802,9 @@ inline static double GetAngleBetweenThreeFixedPointCoordinates(const CoordinateT
double angle = (atan2_lookup(v2y, v2x) - atan2_lookup(v1y, v1x)) * 180 / M_PI; double angle = (atan2_lookup(v2y, v2x) - atan2_lookup(v1y, v1x)) * 180 / M_PI;
while (angle < 0) while (angle < 0)
{
angle += 360; angle += 360;
}
return angle; return angle;
} }