UV_VSTART         817 3rdparty/libtiff/tif_luv.c             va = UV_VSTART + (vi+.5)*UV_SQSIZ;
UV_VSTART         865 3rdparty/libtiff/tif_luv.c     if (v < UV_VSTART)
UV_VSTART         867 3rdparty/libtiff/tif_luv.c     vi = itrunc((v - UV_VSTART)*(1./UV_SQSIZ), em);
UV_VSTART         907 3rdparty/libtiff/tif_luv.c     *vp = UV_VSTART + (vi+.5)*UV_SQSIZ;