cblas_idamax.c

基本的C语言线性代数函数库,在linux下可直接编译；在windows下要显示地申明包含

/*
 * cblas_idamax.c
 *
 * The program is a C interface to idamax.
 * It calls the fortran wrapper before calling idamax.
 *
 * Written by Keita Teranishi.  2/11/1998
 *
 */
#include "cblas.h"
#include "cblas_f77.h"
CBLAS_INDEX cblas_idamax( const int N, const double *X, const int incX)
{
   int iamax;
#ifdef F77_INT
   F77_INT F77_N=N, F77_incX=incX;
#else 
   #define F77_N N
   #define F77_incX incX
#endif
   F77_idamax_sub( &F77_N, X, &F77_incX, &iamax);
   return iamax ? iamax-1 : 0;
}