zeta.h

it is regression Algorithm in C/C++.

/*----------------------------------------------------------------------
  File    : zeta.h
  Contents: compute Riemann's zeta-function
  Author  : Christian Borgelt
  History : 20.10.1998 file created
----------------------------------------------------------------------*/
#ifndef __ZETA__
#define __ZETA__

/*----------------------------------------------------------------------
  Functions
----------------------------------------------------------------------*/
extern double zeta (double x);

#endif