_dcovector-calc.hpp File Reference

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Functions
drovector	t (const _dcovector &covec)
double	nrm2 (const _dcovector &vec)
CPPL_INT	idamax (const _dcovector &vec)
double	damax (const _dcovector &vec)

Function Documentation

drovector t ( const _dcovector &  covec )

inline

return a transposed row vector

Definition at line 3 of file _dcovector-calc.hpp.

References _drovector::array, _dcovector::array, _drovector::cap, _dcovector::cap, _dcovector::l, _drovector::l, and _dcovector::nullify().

Referenced by m2q(), and rotate().

{CPPL_VERBOSE_REPORT;
  _drovector rovec;
  rovec.l =covec.l;
  rovec.cap =covec.cap;
  delete [] rovec.array;
  rovec.array =covec.array;

  covec.nullify();
  return rovec;
}

double nrm2 ( const _dcovector &  vec )

inline

return its Euclidean norm

Definition at line 17 of file _dcovector-calc.hpp.

References _dcovector::array, _dcovector::destroy(), and _dcovector::l.

Referenced by inv(), and vt2q().

{CPPL_VERBOSE_REPORT;
  CPPL_INT inc =1;
  double val =dnrm2_(&vec.l, vec.array, &inc);
  vec.destroy();
  return val;
}

CPPL_INT idamax ( const _dcovector &  vec )

inline

return the index of element having the largest absolute value in 0-based numbering system

Definition at line 28 of file _dcovector-calc.hpp.

References _dcovector::array, _dcovector::destroy(), i(), and _dcovector::l.

{CPPL_VERBOSE_REPORT;
  CPPL_INT inc =1;
  CPPL_INT i =idamax_(&vec.l, vec.array, &inc) -1 ;
  vec.destroy();
  return i;
}

double damax ( const _dcovector &  vec )

inline

return its largest absolute value

Definition at line 38 of file _dcovector-calc.hpp.

References _dcovector::array, _dcovector::destroy(), and _dcovector::l.

{CPPL_VERBOSE_REPORT;
  CPPL_INT inc =1;
  double val =vec.array[idamax_(&vec.l, vec.array, &inc) -1];
  vec.destroy();
  return val;
}