im_floor - for each pixel, find the largest integral value not greater than
#include <vips/vips.h> int im_floor( in, out ) IMAGE *in, *out;
im_floor(3) finds the largest integral value not greater than. Copy for integer types, call floor(3) for float and complex types. Output type == input type.
The function returns 0 on success and -1 on error.
im_abs(3), im_clip2fmt(3), im_ceil(3) 20 June 2002