int x, y;
int y;
static void spatial_decompose53i(int *buffer, int width, int height, int stride){    int x, y;    DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;    DWTELEM *b1= buffer + mirror(-2  , height-1)*stride;      for(y=-2; y<height; y+=2){        DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;        DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;{START_TIMER        if(b1 <= b3)     horizontal_decompose53i(b2, width);        if(y+2 < height) horizontal_decompose53i(b3, width);STOP_TIMER("horizontal_decompose53i")}        {START_TIMER        if(b1 <= b3) vertical_decompose53iH0(b1, b2, b3, width);        if(b0 <= b2) vertical_decompose53iL0(b0, b1, b2, width);STOP_TIMER("vertical_decompose53i*")}                b0=b2;        b1=b3;    }}