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438 float prev = (1 - a)*(b1*CV_8TO32F(src[0]) + b2*CV_8TO32F(src[src_step]));442 dst[j] = prev + t;443 prev = (float)(t*s);471 float prev = (1 - a)*(b1*CV_8TO32F(src[j]) + b2*CV_8TO32F(src2[j]));476 dst[j] = prev + t;477 prev = (float)(t*s);