angles.h File Reference

#include <cmath>

Go to the source code of this file.

Defines
#define	M_PI   3.1415926535897932384626433832795
Functions
double	angle0To2Pi (double angle)
double	CCW (double reference, double angle1)

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Define Documentation

#define M_PI   3.1415926535897932384626433832795

Definition at line 37 of file angles.h.

Referenced by angle0To2Pi(), CCW(), BiArc::compute_arclength(), BiArc::compute_biarc_params(), EulerSpiral::compute_end_pt(), BiArc::compute_join_theta(), BiArc::compute_other_stuff(), EulerSpiralLookupTable::gamma(), EulerSpiral::get_fresnel_integral(), EulerSpiralLookupTable::k0(), EulerSpiralLookupTable::k1(), and EulerSpiralLookupTable::L().

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Function Documentation

double angle0To2Pi

(

double

angle

)

[inline]

Definition at line 40 of file angles.h.

References M_PI.

Referenced by BiArc::BiArc(), CCW(), EulerSpiral::compute_es_params(), EulerSpiral::EulerSpiral(), EulerSpiral::set_end_params(), BiArc::set_end_params(), EulerSpiral::set_params(), EulerSpiral::set_start_params(), and BiArc::set_start_params().

{
#if 0  
  while (angle >= M_PI*2)
    angle -= M_PI*2;
  while (angle < 0)
    angle += M_PI*2;
  return angle;
#else
  if (angle>2*M_PI)
      return  fmod (angle,M_PI*2);
   else if (angle < 0)
      return (2*M_PI+ fmod (angle,M_PI*2));
   else return angle;
#endif
}

double CCW	(	double	reference,
		double	angle1
	)			[inline]

Definition at line 57 of file angles.h.

References angle0To2Pi(), and M_PI.

Referenced by EulerSpiral::compute_end_pt().

{
   double fangle1 = angle0To2Pi(angle1);
   double fref = angle0To2Pi(reference);

   if (fref > fangle1){
    return angle0To2Pi(2*M_PI - (fref - fangle1));
  }
   else
      return angle0To2Pi(fangle1 - fref); 
}