_drovector-calc.hpp File Reference

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Functions
_dcovector	t (const _drovector &rovec)
double	nrm2 (const _drovector &vec)
CPPL_INT	idamax (const _drovector &vec)
double	damax (const _drovector &vec)

Function Documentation

_dcovector t ( const _drovector &  rovec )

inline

return a transposed column vector

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

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

{CPPL_VERBOSE_REPORT;
  _dcovector covec;
  covec.l =rovec.l;
  covec.cap =rovec.cap;
  delete [] covec.array;
  covec.array =rovec.array;
  
  rovec.nullify();
  return covec;
}

double nrm2 ( const _drovector &  vec )

inline

return its Euclidean norm

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

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

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

CPPL_INT idamax ( const _drovector &  vec )

inline

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

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

References _drovector::array, _drovector::destroy(), i(), and _drovector::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 _drovector &  vec )

inline

return its largest absolute value

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

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

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