www.gusucode.com > matlab非局部均值工具箱 > matlab非局部均值工具箱/matlab非局部均值工具箱/toolbox_nlmeans/toolbox/clamp.m
function y = clamp(x,a,b) % clamp - clamp a value % % y = clamp(x,a,b); % % Default is [a,b]=[0,1]. % % Copyright (c) 2004 Gabriel Peyr? if nargin<2 a = 0; end if nargin<3 b = 1; end y = max(x,a); y = min(y,b);