NAME
im_ceil - for each pixel, find the smallest integral value not less than
SYNOPSIS
#include <vips/vips.h>
int im_ceil( in, out )
IMAGE *in, *out;
DESCRIPTION
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.
RETURN VALUE
The function returns 0 on success and -1 on error.