numeric-linalg

Educational material on the SciPy implementation of numerical linear algebra algorithms

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lapack/CBLAS/src/cblas_dznrm2.c 497B -rw-r--r--
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/*
 * cblas_dznrm2.c
 *
 * The program is a C interface to dznrm2.
 * It calls the fortran wrapper before calling dznrm2.
 *
 * Written by Keita Teranishi.  2/11/1998
 *
 */
#include "cblas.h"
#include "cblas_f77.h"
double API_SUFFIX(cblas_dznrm2)( const CBLAS_INT N, const void *X, const CBLAS_INT 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_dznrm2_sub( &F77_N, X, &F77_incX, &nrm2);
   return nrm2;
}