NAME
     wnvadd -- fast vector addition

SYNOPSIS
     #include "wnvect.h"

     wn_add_scaled_vect(double *to_vect,double *from_vect,double scalar,int len)

     wn_add_vect_and_scaled_vect(double *out,
				 double *v1,double *v2,double s2,
				 int len)

DESCRIPTION
     Vector addition routines, coded to be especially fast.

DIAGNOSTICS
  
BUGS

SEE ALSO
     wndot, wnvnrm

AUTHOR
     Will Naylor