t_perimeter.c

ADI BF DSP的几种常用的图象滤波汇编优化后的代码

/*******************************************************************************
Copyright(c) 2000 - 2002 Analog Devices. All Rights Reserved.
Developed by Joint Development Software Application Team, IPDC, Bangalore, India
for Blackfin DSPs  ( Micro Signal Architecture 1.0 specification).

By using this module you agree to the terms of the Analog Devices License
Agreement for DSP Software. 
********************************************************************************
   File  name   : t_perimeter.c
   Purpose      : This function tests the perimeter function.
*******************************************************************************/
#include<stdio.h>
#include"perimeter.h"

int error_flag=0;
void (*f1)();
int cycle_count[10];
void _perimeter();

main()
{
    int i,j,k;
    float f;
    int row,col,error;

    f1 = _perimeter;    
    row=8;
    col=8;

// test 1:  triangular input test

    for(i=0;i<row;i++)
        for(j=0;j<col;j++)
            input[i*col+j]= zero_in;
    k=6;
    for(i=1;i<7; i++)
    {
        for(j=0; j<k;j++)
        {
            input[i*col+j+1]=one_in;
        }
    k--;
    }

    cycle_count[0] = Compute_Cycle_Count(input,row,col,output);   
                            //This function inturn calls perimeter()

    for(i=0;i<64;i++)
    {
        error=output[i]-output2[i];
        if(error < 0) error = -error;
        if(error > MAX_PERMISSIBLE_ERROR)
        {
            error_flag = error_flag | 1;
        }
   }

// test2 : rectanglar input test 

    for(i=0;i<row;i++)
        for(j=0;j<col;j++)
            input[i*col+j]=zero_in;

    for(i=1;i<7; i++)
    {
        for(j=0; j<6;j++)
        {
            input[i*col+j+1]=one_in;
        }
    }

    cycle_count[1] = Compute_Cycle_Count(input,row,col,output);   
                            //This function inturn calls perimeter()

    for(i=0;i<64;i++)
    {
        error=output[i]-output1[i];
        if(error < 0) error = -error;
        if(error > MAX_PERMISSIBLE_ERROR)
        {
            error_flag = error_flag | 2;
        }
    }

    #ifdef PRINTF_SUPPORT
        if(error_flag & 1)
            printf("Test Case 1 failed\n");
        else
            printf("Test Case 1 passed\n");
        if(error_flag & 2)
            printf("Test Case 2 failed\n");
        else
            printf("Test Case 2 passed\n");
    #endif
}