.TH IM_CEIL 3 "20 June 2002" .SH NAME im_ceil \- for each pixel, find the smallest integral value not less than .SH SYNOPSIS #include int im_ceil( in, out ) .br IMAGE *in, *out; .SH DESCRIPTION .B im_ceil(3) finds the smallest integral value not less than. Copy for integer types, call ceil(3) for float and complex types. Output type == input type. .SH RETURN VALUE The function returns 0 on success and -1 on error. .SH SEE ALSO im_abs(3), im_clip2fmt(3), im_floor(3)