w**z 发帖数: 8232 | 1 在网上找到了怎样算Machine Epsilon 的code
private static void calculateMachineEpsilonFloat() {
float machEps = 1.0f;
do {
machEps /= 2.0f;
}
while ((float)(1.0 + (machEps/2.0)) != 1.0);
System.out.println( "Calculated machine epsilon: " + machEps );
}
http://en.wikipedia.org/wiki/Machine_epsilon#Approximation_usin |
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