solver< T > Class Template Reference

#include <mathlib.h>

List of all members.

Static Public Member Functions
template<typename W >
static boolc	d2linearequ (W &x, W const &a0, W const &a1, W const &c)
	Solve the 2D simultaneous equation.
static boolc	d2linearequ (T &x, T &y, T const a00, T const a01, T const a10, T const a11, T const c0, T const c1)
	Solve the 2D simultaneous equation.

---

Detailed Description

template<typename T>
class solver< T >

Definition at line 359 of file mathlib.h.

---

Member Function Documentation

template<typename T >

boolc solver< T >::d2linearequ	(	T &	x,
		T &	y,
		T const	a00,
		T const	a01,
		T const	a10,
		T const	a11,
		T const	c0,
		T const	c1
	)			[inline, static]

Solve the 2D simultaneous equation.

Definition at line 1100 of file mathlib.h.

{
  T det = a00*a11-a01*a10;
  if (det*det<=zero<T>::val)
    return false;

  T detInv = (T)1.0/det;
   
  x = (c0*a11 - c1*a01)*detInv;
  y = (c1*a00 - c0*a10)*detInv;

  return true;
}

template<typename T >

template<typename W >

static boolc solver< T >::d2linearequ	(	W &	x,
		W const &	a0,
		W const &	a1,
		W const &	c
	)			[inline, static]

Solve the 2D simultaneous equation.

All elements are column vectors.

Definition at line 367 of file mathlib.h.

Referenced by solverInconsistent< T >::d2linearequ(), line< PT, PD >::intersects(), line< PT, PD >::lineD3minimized(), linechoppedindexed< PT, PD, INDX >::split(), and linechopped< PT, PD >::split().

  {
    T det = a0.x*a1.y - a1.x*a0.y;
    if (det*det<=zero<T>::val)
      return false;

    T detInv = (T)1.0/det;

    x.x = (c.x*a1.y - c.y*a1.x)*detInv;
    x.y = (c.y*a0.x - c.x*a0.y)*detInv;

    return true;
  }

---

The documentation for this class was generated from the following file:

• mathlib/mathlib.h