PNG_FP_SAW_E     1341 3rdparty/libpng/png.c       case 101: type = PNG_FP_SAW_E;                      break;
PNG_FP_SAW_E     1379 3rdparty/libpng/png.c       case PNG_FP_INTEGER + PNG_FP_SAW_E:
PNG_FP_SAW_E     1397 3rdparty/libpng/png.c       case PNG_FP_FRACTION + PNG_FP_SAW_E: