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/third_party/backends/backend/
H A Ddc25.c813 int down_ccd = BIDIM_ARRAY (ccd, column, line + 1, columns) * SCALE; in interpolate_vertically() local
822 columns) + down_ccd; in interpolate_vertically()
829 * up_ccd or down_ccd are also zero, so we just set the intensity in interpolate_vertically()
832 if (down_ccd == 0) in interpolate_vertically()
833 DBG (10, "down_ccd==0 at %d,%d\n", line, column); in interpolate_vertically()
838 DBG (9, "Found down_intensity==0 at %d,%d down_ccd=%d\n", line, in interpolate_vertically()
839 column, down_ccd); in interpolate_vertically()
852 (float) down_ccd / down_intensity * this_intensity + 0.5; in interpolate_vertically()
863 (float) down_ccd / down_intensity) * this_intensity / 2.0 + in interpolate_vertically()

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