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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/utils_2quat_8hpp_source.html below:

NCBI C++ ToolKit: include/gui/utils/quat.hpp Source File

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1 #ifndef GUI_MATH___QUAT___HPP 2 #define GUI_MATH___QUAT___HPP 73  const T

&

X

(

void

)

const

{

return m_Xyzw

[0]; }

76  const T

&

Y

(

void

)

const

{

return m_Xyzw

[1]; }

79  const T

&

Z

(

void

)

const

{

return m_Xyzw

[2]; }

82  const T

&

W

(

void

)

const

{

return m_Xyzw

[3]; }

124  return

(

first

[0] == second[0] &&

125  first

[1] == second[1] &&

126  first

[2] == second[2] &&

127  first

[3] == second[3]);

136  return

!(

first

== second);

157  first

.W() * second));

181  first

.W() / second));

235  double

cos_theta = cos(theta / 2.0);

236  double

sin_theta = sin(theta / 2.0);

238

m_Xyzw[0] =

T

(axis[0]*sin_theta);

239

m_Xyzw[1] =

T

(axis[1]*sin_theta);

240

m_Xyzw[2] =

T

(axis[2]*sin_theta);

241

m_Xyzw[3] =

T

(cos_theta);

250  T

new_x =

W

() * q.

X

() + X() * q.

W

() + ( Y() * q.

Z

() -

Z

() * q.

Y

() );

251  T

new_y =

W

() * q.

Y

() + Y() * q.

W

() + (

Z

() * q.

X

() - X() * q.

Z

() );

252  T

new_z =

W

() * q.

Z

() +

Z

() * q.

W

() + ( X() * q.

Y

() - Y() * q.

X

() );

253  T

new_w =

W

() * q.

W

() - (X() * q.

X

() + Y() * q.

Y

() +

Z

() * q.

Z

());

308  T

Nq = m_Xyzw[0]*m_Xyzw[0] +

309

m_Xyzw[1]*m_Xyzw[1] +

310

m_Xyzw[2]*m_Xyzw[2] +

312  T

s = (Nq > 0) ? (

T

(2.0) / Nq) : 0;

326

m(0,0) =

T

(1.0) - (yy + zz);

330

m(1,1) =

T

(1.0) - (xx + zz);

334

m(2,2) =

T

(1.0) - (xx + yy);

363  return

sqrt(Length2());

372  return

(m_Xyzw[0]*m_Xyzw[0] +

373

m_Xyzw[1]*m_Xyzw[1] +

374

m_Xyzw[2]*m_Xyzw[2] +

375

m_Xyzw[3]*m_Xyzw[3]);

384  return

(Conjugate() / Length2());

395  CQuat<T>

p(point.

X

(), point.

Y

(), point.

Z

(), 0);

402

point.

X

() = p.

X

();

403

point.

Y

() = p.

Y

();

404

point.

Z

() = p.

Z

();

414

o <<

"[("

<< quat.

X

() <<

", "

<< quat.

Y

() <<

", "

<< quat.

Z

()

415

<<

"), "

<< quat.

W

() <<

"]"

;

Include a standard set of the NCBI C++ Toolkit most basic headers.

static DLIST_TYPE *DLIST_NAME() first(DLIST_LIST_TYPE *list)

void ToMatrix(CMatrix4< T > &) const

CQuat< T > & operator+=(const CQuat< T > &)

CQuat< T > Conjugate(void) const

CQuat< T > Inverse(void) const

CQuat< T > operator-(const CQuat< T > &first, const CQuat< T > &second)

ostream & operator<<(ostream &o, const CQuat< T > &quat)

CMatrix4< T > ToMatrix(void) const

CQuat< T > operator*(const CQuat< T > &first, const CQuat< T > &second)

CQuat(const CVect3< T > &axis, T degrees)

void Rotate(CVect3< float > &point) const

CQuat< T > operator+(const CQuat< T > &first, const CQuat< T > &second)

CQuat(T x, T y, T z, T w)

CQuat< T > operator/(const CQuat< T > &first, T second)

bool operator!=(const CQuat< T > &first, const CQuat< T > &second)

bool operator==(const CQuat< T > &first, const CQuat< T > &second)

CQuat< T > & operator*=(const CQuat< T > &)

CQuat< T > & operator-=(const CQuat< T > &)

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

#define Z

printf format modifier for size_t

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