    /*
     * cblas_dnrm2.c
     *
     * The program is a C interface to dnrm2.
     * It calls the fortranwrapper before calling dnrm2.
     *
     * Written by Keita Teranishi.  2/11/1998
     *
     */
    #include "cblas.h"
    #include "cblas_f77.h"
    double cblas_dnrm2( const CBLAS_INT_TYPE N, const double *X, const CBLAS_INT_TYPE incX)
    {
       double nrm2;
    #ifdef F77_INT
       F77_INT F77_N=N, F77_incX=incX;
    #else
       #define F77_N N
       #define F77_incX incX
    #endif
       F77_dnrm2_sub( &F77_N, X, &F77_incX, &nrm2);
       return nrm2;
    }