vfloat.h File Reference

#include <cfloat>
#include <cmath>
#include "wcpplib/util/inlinec.h"

Go to the source code of this file.

Namespaces
namespace	Heed

Macros
#define	max_vfloat   DBL_MAX

Typedefs
typedef double	vfloat

Functions
vfloat	abslt (vfloat f)
int	apeq (vfloat f1, vfloat f2, vfloat prec=vprecision)
int	not_apeq (vfloat f1, vfloat f2, vfloat prec=vprecision)
int	Heed::apeq (vfloat f1, vfloat f2, vfloat prec=vprecision)
int	Heed::not_apeq (vfloat f1, vfloat f2, vfloat prec=vprecision)

Variables
const vfloat	max_safe_vfloat = 0.5 * sqrt(DBL_MAX)
const vfloat	vprecision = 1.0E-12

Macro Definition Documentation

max_vfloat

#define max_vfloat   DBL_MAX

Definition at line 14 of file vfloat.h.

Typedef Documentation

vfloat

typedef double vfloat

Definition at line 15 of file vfloat.h.

Function Documentation

abslt()

vfloat abslt ( vfloat  f )

inline

Definition at line 19 of file vfloat.h.

{ return f > 0.0 ? f : -f; }

Referenced by apeq(), Heed::apeq(), Heed::box::box(), Heed::box::check_point_inside(), Heed::plane::distance(), not_apeq(), Heed::not_apeq(), and Heed::box::range_ext().

apeq()

int apeq ( vfloat  f1, vfloat  f2, vfloat  prec = vprecision  )

inline

Definition at line 21 of file vfloat.h.

                                                                {
  if (abslt(f1 - f2) <= prec)
    return 1;
  else
    return 0;
}

not_apeq()

int not_apeq ( vfloat  f1, vfloat  f2, vfloat  prec = vprecision  )

inline

Definition at line 27 of file vfloat.h.

                                                                    {
  if (abslt(f1 - f2) <= prec)
    return 0;
  else
    return 1;
}

Referenced by basis::basis().

Variable Documentation

max_safe_vfloat

const vfloat max_safe_vfloat = 0.5 * sqrt(DBL_MAX)

Definition at line 16 of file vfloat.h.

vprecision

const vfloat vprecision = 1.0E-12

Definition at line 17 of file vfloat.h.

Referenced by basis::basis(), Heed::splane::check_point_inside(), and Heed::box::init_prec().