static double clamp(final double value) {
				return Math.clamp(value, MIN, MAX);
			}
Return a new sampler for a <em>linear</em> distribution with the given
{@code mean} value, when creating sample points for the <em>normalized</em>
range {@code [0, 1)}.
<p>
	<img src="doc-files/LinearDistributionPDF.svg" width="450"
	     alt="Linear distribution sampler" >

@param mean the mean value of the sampler distribution
@return a new linear sampler with the given {@code mean} value
@throws IllegalArgumentException if the given {@code mean} value is not
        within the range {@code [0, 1)}
jenetics/src/main/java/io/jenetics/stat/Samplers.java