当前位置: 首页>>代码示例>>C++>>正文

C++ RIDX函数代码示例

本文整理汇总了C++中RIDX函数的典型用法代码示例。如果您正苦于以下问题：C++ RIDX函数的具体用法？C++ RIDX怎么用？C++ RIDX使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了RIDX函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: attempt_ten

void attempt_ten(int dim, pixel *src, pixel *dst) 
{
	int a,b,i,j;
	int sav=0;	//LICM
	int sav1=0;	//LICM
	int sav2=0;	//LICM
	int adj_dim = dim-1;
	
	for (j=0; j<dim; j+=32)
	{
		sav = adj_dim-j;
		for (i=0; i<dim; i+=8)
		{
			//Using for loop unrolling
			for (b=0; b<32; b++)
			{
				sav1 = sav - b;
				sav2 = j+b;
				//Use for loop unrolling
				for (a=0; a<8; a++)
					dst[RIDX(sav1, i+a, dim)] = src[RIDX(i+a, sav2, dim)];
			}
		}
	}

}
开发者ID:rubixcubin，项目名称:ECE454，代码行数:26，代码来源:kernels.c

示例2: check_average

static pixel check_average(int dim, int i, int j, pixel *src) {
    pixel result;
    int num = 0;
    int ii, jj;
    int sum0, sum1, sum2;
    int top_left_i, top_left_j;
    int bottom_right_i, bottom_right_j;

    top_left_i = max(i-1, 0);
    top_left_j = max(j-1, 0);
    bottom_right_i = min(i+1, dim-1); 
    bottom_right_j = min(j+1, dim-1);

    sum0 = sum1 = sum2 = 0;
    for(ii=top_left_i; ii <= bottom_right_i; ii++) {
	for(jj=top_left_j; jj <= bottom_right_j; jj++) {
	    num++;
	    sum0 += (int) src[RIDX(ii,jj,dim)].red;
	    sum1 += (int) src[RIDX(ii,jj,dim)].green;
	    sum2 += (int) src[RIDX(ii,jj,dim)].blue;
	}
    }
    result.red = (unsigned short) (sum0/num);
    result.green = (unsigned short) (sum1/num);
    result.blue = (unsigned short) (sum2/num);
 
    return result;
}
开发者ID:yimingkang，项目名称:ECE454_hw2，代码行数:28，代码来源:driver_cpe.c

示例3: naive_rotate

void naive_rotate(int dim, pixel *src, pixel *dst) 
{
    int i, j;
    for (i = 0; i < dim; i++)
	    for (j = 0; j < dim; j++)
	      dst[RIDX(dim-1-j, i, dim)] = src[RIDX(i, j, dim)];
}
开发者ID:kywe665，项目名称:ECEn-324，代码行数:7，代码来源:kernels.c

示例4: rotate3

void rotate3(int dim, pixel *src, pixel *dst) 
{
    int i,j, ii;

    for (i = 0; i < dim; i = i + 16)
    {

        for (j = 0; j < dim; j++)
        { 

            for(ii = 0; ii < 16; ii++)
             {
                
                   dst[RIDX(dim-1-j, i+ii, dim)] = src[RIDX(i+ii, j, dim)]; 
                

             }   
             
                      
        }

    }

    /*

    blocking


    

    */
   

}
开发者ID:hannay1，项目名称:c_org_ha_2，代码行数:34，代码来源:kernels.c

示例5: check_rotate

/* 
 * check_rotate - Make sure the rotate actually works. 
 * The orig array should not  have been tampered with! 
 */
static int check_rotate(int dim) 
{
    int err = 0;
    int i, j;
    int badi = 0;
    int badj = 0;
    pixel orig_bad = {0}, res_bad = {0};

    /* return 1 if the original image has been  changed */
    if (check_orig(dim)) 
	return 1; 

    for (i = 0; i < dim; i++) 
	for (j = 0; j < dim; j++) 
	    if (compare_pixels(orig[RIDX(i,j,dim)], 
			       result[RIDX(dim-1-j,i,dim)])) {
		err++;
		badi = i;
		badj = j;
		orig_bad = orig[RIDX(i,j,dim)];
		res_bad = result[RIDX(dim-1-j,i,dim)];
	    }

    if (err) {
	printf("\n");
	printf("ERROR: Dimension=%d, %d errors\n", dim, err);    
	printf("E.g., The following two pixels should have equal value:\n");
	printf("src[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
	       badi, badj, orig_bad.red, orig_bad.green, orig_bad.blue);
	printf("dst[%d][%d].{red,green,blue} = {%d,%d,%d}\n",
	       (dim-1-badj), badi, res_bad.red, res_bad.green, res_bad.blue);
    }

    return err;
}
开发者ID:yimingkang，项目名称:ECE454_hw2，代码行数:39，代码来源:driver_cpe.c

示例6: rotate

void rotate(int dim, pixel *src, pixel *dst) 
{
  int i,j;
    pixel *dptr,*sptr;
    for(i=0;i<dim;i+=16)
        for(j=dim-1;j>=0;j--){
            dptr=dst+RIDX(dim-1-j,i,dim);
            sptr=src+RIDX(i,j,dim);
            *(dptr)=*(sptr);sptr+=dim;
            *(dptr+1)=*(sptr);sptr+=dim;
            *(dptr+2)=*(sptr);sptr+=dim;
            *(dptr+3)=*(sptr);sptr+=dim;
            *(dptr+4)=*(sptr);sptr+=dim;
            *(dptr+5)=*(sptr);sptr+=dim;
            *(dptr+6)=*(sptr);sptr+=dim;
            *(dptr+7)=*(sptr);sptr+=dim;
            *(dptr+8)=*(sptr);sptr+=dim;
            *(dptr+9)=*(sptr);sptr+=dim;
            *(dptr+10)=*(sptr);sptr+=dim;
            *(dptr+11)=*(sptr);sptr+=dim;
            *(dptr+12)=*(sptr);sptr+=dim;
            *(dptr+13)=*(sptr);sptr+=dim;
            *(dptr+14)=*(sptr);sptr+=dim;
            *(dptr+15)=*(sptr);
        }   
}
开发者ID:kywe665，项目名称:ECEn-324，代码行数:26，代码来源:kernels.c

示例7: naive_rotate_unrolled

void naive_rotate_unrolled(int dim, pixel *src, pixel *dst) 
{
    int i, j;

    for (i = 0; i < dim; i++)
        for (j = 0; j < dim; j+=4)
        {
            dst[RIDX(dim-1-j, i, dim)] = src[0];
            dst[RIDX(dim-1-(j + 1), i, dim)] = src[1];
            dst[RIDX(dim-1-(j + 2), i, dim)] = src[2];
            dst[RIDX(dim-1-(j + 3), i, dim)] = src[3];
//             dst[RIDX(dim-1-(j + 4), i, dim)] = *(src + 4);
//             dst[RIDX(dim-1-(j + 5), i, dim)] = *(src + 5);
//             dst[RIDX(dim-1-(j + 6), i, dim)] = *(src + 6);
//             dst[RIDX(dim-1-(j + 7), i, dim)] = *(src + 7);
//             dst[RIDX(dim-1-(j + 8), i, dim)] = *(src + 8);
//             dst[RIDX(dim-1-(j + 9), i, dim)] = *(src + 9);
//             dst[RIDX(dim-1-(j + 10), i, dim)] = *(src + 10);
//             dst[RIDX(dim-1-(j + 11), i, dim)] = *(src + 11);
//             dst[RIDX(dim-1-(j + 12), i, dim)] = *(src + 12);
//             dst[RIDX(dim-1-(j + 13), i, dim)] = *(src + 13);
//             dst[RIDX(dim-1-(j + 14), i, dim)] = *(src + 14);
//             dst[RIDX(dim-1-(j + 15), i, dim)] = *(src + 15);
            src += 4;
        }
}
开发者ID:JunTaoLuo，项目名称:ConcertoBeta，代码行数:26，代码来源:kernels.c

示例8: rotate2

void rotate2(int dim, pixel *src, pixel *dst) 
{
    int i,j, ii;

    for (i = 0; i < dim; i = i + 16)
    {

        for (j = 0; j < dim; j++)
        { 

            for(ii = 0; ii < 16; ii++)
             {
                
                   dst[RIDX(dim-1-j, i+ii, dim)] = src[RIDX(i+ii, j, dim)]; 
                

             }   
             
                      
        }

    }

    /*
    unrolling the first loop offers ~ 245% increase in speedup by completing 16
    rotations per iteration of i instead of 1.

    */
   

}
开发者ID:hannay1，项目名称:c_org_ha_2，代码行数:31，代码来源:kernels.c

示例9: attempt_two

void attempt_two(int dim, pixel *src, pixel *dst) 
{
    int i, j;

    for (j = 0; j < dim; j++)
	for (i = 0; i < dim; i++)
	    dst[RIDX(dim-1-j, i, dim)] = src[RIDX(i, j, dim)];

}
开发者ID:rubixcubin，项目名称:ECE454，代码行数:9，代码来源:kernels.c

示例10: rotate2

void rotate2(int dim, pixel *src, pixel *dst)  {
    int i, j, ridx11, ridx12, ridx21, ridx22, dim2 = dim<<1;

    /*if(src == dst) { printf("Aliasing!\n"); return; }*/
    
    for (i = 0; i < dim; i++)
        for (j = 0; j < dim; j+=32) {
            ridx11 = RIDX(dim-1-j, i, dim);
            ridx12 = RIDX(dim-2-j, i, dim);
            ridx21 = RIDX(i, j, dim);
            ridx22 = RIDX(i, j, dim) + 1;
            
	        dst[ridx11] = src[ridx21];
            dst[ridx12] = src[ridx22];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
            dst[(ridx11-=dim2)] = src[ridx21+=2];
            dst[(ridx12-=dim2)] = src[ridx22+=2];
        }
}
开发者ID:Iiridayn，项目名称:sample，代码行数:53，代码来源:kernels.c

示例11: attempt_three

void attempt_three(int dim, pixel *src, pixel *dst) 
{
    int i, j, i1, j1;
    int x = dim-1;
    int T = dim/4;     

    for (j = 0; j < dim; j+=8)
        for (i = 0; i < dim; i+=T)
            for (j1 = j; j1 < MIN(dim, j + 8); j1++)
                for (i1 = i; i1 < MIN(dim, i + T); i1++)      
                    dst[RIDX(x - j1, i1, dim)] = src[RIDX(i1, j1, dim)];
}
开发者ID:davidyin1212，项目名称:ece454HW2，代码行数:12，代码来源:kernels.c

示例12: smooth4

void smooth4(int dim, pixel *src, pixel *dst)
{ 
    
    int i,j,x;

    for (i = 0; i < dim; i+=16)
    {

        for (j = 0; j < dim; j++)
        { 
            
            for(x = 0; x<16;x++)
            {
                    int ii, jj;
                    pixel_sum sum;
                    pixel_sum *sum1;
                    sum1 = &sum;
                    pixel current_pixel;
                    pixel *curr;
                    curr = &current_pixel;

                    //initialize_pixel_sum(&sum);
                    //pixel_sum *sum;
                    sum1->red = sum1->green = sum1->blue = 0;
                    sum1->num = 0;

                    for(ii = max(i+x-1, 0); ii <= min(i+x+1, dim-1); ii++)
                    {
                        for(jj = max(j-1, 0); jj <= min(j+1, dim-1); jj++) 
                        {
                            /*accumulate_sum(&sum, src[RIDX(ii, jj, dim)]);*/
                            pixel p = src[RIDX(ii, jj, dim)];
                            /*pixel pp = &p;*/
                            sum1->red += (int) p.red;
                            sum1->green += (int) p.green;
                            sum1->blue += (int) p.blue;
                            sum1->num++;
                        }
                    }
                    
                    
                    curr->red = (unsigned short) (sum.red/sum.num);
                    curr->green = (unsigned short) (sum.green/sum.num);
                    curr->blue = (unsigned short) (sum.blue/sum.num);
             
                    dst[RIDX(i, j, dim)] = current_pixel;
                }      
        }

    }


}
开发者ID:hannay1，项目名称:c_org_ha_2，代码行数:53，代码来源:kernels.c

示例13: rotate

void rotate(int dim, pixel *src, pixel *dst) 
{
    int i, j, i1, j1;
    int x = dim-1;
    int W = 8;
    int L = 128;      

    for (j = 0; j < dim; j+=L)
        for (i = 0; i < dim; i+=W)
            for (j1 = j; j1 < MIN(dim, j + L); j1++)
                for (i1 = i; i1 < MIN(dim, i + W); i1++) 
                    dst[RIDX(x - j1, i1, dim)] = src[RIDX(i1, j1, dim)];
}
开发者ID:davidyin1212，项目名称:ece454HW2，代码行数:13，代码来源:kernels.c

示例14: rotate1

void rotate1(int dim, pixel *src, pixel *dst)  {
    int i, j, ridx1, ridx2;

    /*if(src == dst) { printf("Aliasing!\n"); return; }*/
    
    for (i = 0; i < dim; i++)
        for (j = 0; j < dim; j+=32) {
            ridx1 = RIDX(dim-1-j, i, dim);
            ridx2 = RIDX(i, j, dim);
            
	        dst[ridx1] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++]; 
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++]; 
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++]; 
            
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];
            dst[(ridx1-=dim)] = src[ridx2++];   
        }
}
开发者ID:Iiridayn，项目名称:sample，代码行数:51，代码来源:kernels.c

示例15: line_7

void line_7(int dim, pixel *src, pixel *dst) {
    int x0 = 0;
    int y0 = floor (dim / 3); /* left endpoint */
    int x1 = dim - 1;
    int y1 = ceil (dim - 1 - dim / 3); /* right endpoint */

    double dy = y1 - y0;
    double dx = x1 - x0;
    double slope = dy / dx;
    double slope2 = slope*2;
    double slope3 = slope*3;
    double slope4 = slope*4;
    double slope5 = slope*5;
    double slope6 = slope*6;
    double slope7 = slope*7;
    double slope8 = slope*8;

    double y = y0;
    int x = x0;
    pixel max = *maximum_7(dim, src);

    for (; x <= x1; x+=8) {
        dst[RIDX(x, (int)rint(y), dim)] = max;
        dst[RIDX(x+1, (int)rint(y+slope), dim)] = max;
        dst[RIDX(x+2, (int)rint(y+slope2), dim)] = max;
        dst[RIDX(x+3, (int)rint(y+slope3), dim)] = max;
        dst[RIDX(x+4, (int)rint(y+slope4), dim)] = max;
        dst[RIDX(x+5, (int)rint(y+slope5), dim)] = max;
        dst[RIDX(x+6, (int)rint(y+slope6), dim)] = max;
        dst[RIDX(x+7, (int)rint(y+slope7), dim)] = max;
        y += slope8;
    }

}
开发者ID:fuseby，项目名称:perflab，代码行数:34，代码来源:line-versions.c


注：本文中的RIDX函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。