dcovector-calc.hpp File Reference

Go to the source code of this file.

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

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

double nrm2 ( const dcovector &  vec )

inline

return its Euclidean norm

Definition at line 16 of file dcovector-calc.hpp.

References dcovector::array, and dcovector::l.

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

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 25 of file dcovector-calc.hpp.

References dcovector::array, and dcovector::l.

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

double damax ( const dcovector &  vec )

inline

return its largest absolute value

Definition at line 33 of file dcovector-calc.hpp.

References dcovector::array, and dcovector::l.

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