drovector-calc.hpp File Reference

Go to the source code of this file.

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 _(), drovector::array, dcovector::array, and drovector::l.

{CPPL_VERBOSE_REPORT;
  dcovector covec(rovec.l);
  
  CPPL_INT inc =1;
  dcopy_(&rovec.l, rovec.array, &inc, covec.array, &inc);
  
  return _(covec);
}

double nrm2 ( const drovector &  vec )

inline

return its Euclidean norm

Definition at line 15 of file drovector-calc.hpp.

References drovector::array, and drovector::l.

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

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 24 of file drovector-calc.hpp.

References drovector::array, and drovector::l.

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

double damax ( const drovector &  vec )

inline

return its largest absolute value

Definition at line 32 of file drovector-calc.hpp.

References drovector::array, and drovector::l.

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