rand16_t.c

CCS3.3自带的TI 5400系列DSP的dsplib文件。文档说明可以在TI公司网站上下载。

//*****************************************************************************
//  Filename:	 rand_t.c
//  Version:	 0.01
//  Description: test for random number genrator routine
//*****************************************************************************

#include <math.h>
#include <tms320.h>
#include <dsplib.h>
	
#include "test.h"

/* generic variables */
short i,j;

/* test for rand values */
short eflag = PASS;		 // error flag or index of r vector where error
DATA elevel = 0;		 // error level at failing eflag index location
DATA emax = 0;			 // max error level detected across when NOERROR

void main(void)
{
    /* clear */
    for (i=0;i<NX;i++)
    {
        r1[i] =0;     // clear output buffer (optional)
        r2[i] =0;
    }

    /* compute */
    rand16init();
    rand16(r1,NX);

    for (i=0; i<NX-2; i++)
    {
        for(j=i+1; j<NX-1; j++)
        {
            if (r1[i] == r1[j])
            {
                elevel = i;
            }
            if (elevel)
            {
                eflag = 0x1;
                exit(0);
            }
        }
    }

    rand16init();
    rand16(r2,NX);

    /* test */
    eflag = test (r1, r2, NX, MAXERROR);

    if (eflag != PASS)
    {
        exit(-1);
    }

    return;
}