1565          png_uint_32 reciprocal = 0;  in png_write_image_16bit()  local
1576             reciprocal = ((0xffff<<15)+(alpha>>1))/alpha;  in png_write_image_16bit()
1598                png_uint_32 calc = component * reciprocal;  in png_write_image_16bit()
1631    png_uint_32 reciprocal/*from the above macro*/)  in png_unpremultiply()  argument
1658          component *= reciprocal;  in png_unpremultiply()
1717             png_uint_32 reciprocal = 0;  in png_write_image_8bit()  local
1724                reciprocal = UNP_RECIPROCAL(alpha);  in png_write_image_8bit()
1728                *out_ptr++ = png_unpremultiply(*in_ptr++, alpha, reciprocal);  in png_write_image_8bit()
1835             png_uint_32 reciprocal = 0;  in png_image_set_PLTE()  local
1842                reciprocal = (((0xffff*0xff)<<7)+(alpha>>1))/alpha;  in png_image_set_PLTE()
1851                   alpha, reciprocal);  in png_image_set_PLTE()
1853                   reciprocal);  in png_image_set_PLTE()
1855                   reciprocal);  in png_image_set_PLTE()
1860                   png_unpremultiply(entry[afirst], alpha, reciprocal);  in png_image_set_PLTE()