本文整理汇总了Java中org.apache.commons.math.random.RandomDataImpl.nextUniform方法的典型用法代码示例。如果您正苦于以下问题:Java RandomDataImpl.nextUniform方法的具体用法?Java RandomDataImpl.nextUniform怎么用?Java RandomDataImpl.nextUniform使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.commons.math.random.RandomDataImpl
的用法示例。
在下文中一共展示了RandomDataImpl.nextUniform方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testPermutedArrayHash
import org.apache.commons.math.random.RandomDataImpl; //导入方法依赖的package包/类
/**
* Make sure that permuted arrays do not hash to the same value.
*/
public void testPermutedArrayHash() {
double[] original = new double[10];
double[] permuted = new double[10];
RandomDataImpl random = new RandomDataImpl();
// Generate 10 distinct random values
for (int i = 0; i < 10; i++) {
original[i] = random.nextUniform(i + 0.5, i + 0.75);
}
// Generate a random permutation, making sure it is not the identity
boolean isIdentity = true;
do {
int[] permutation = random.nextPermutation(10, 10);
for (int i = 0; i < 10; i++) {
if (i != permutation[i]) {
isIdentity = false;
}
permuted[i] = original[permutation[i]];
}
} while (isIdentity);
// Verify that permuted array has different hash
assertFalse(MathUtils.hash(original) == MathUtils.hash(permuted));
}
示例2: testPermutedArrayHash
import org.apache.commons.math.random.RandomDataImpl; //导入方法依赖的package包/类
/**
* Make sure that permuted arrays do not hash to the same value.
*/
public void testPermutedArrayHash() {
double[] original = new double[10];
double[] permuted = new double[10];
RandomDataImpl random = new RandomDataImpl();
// Generate 10 distinct random values
for (int i = 0; i < 10; i++) {
original[i] = random.nextUniform(i + 0.5, i + 0.75);
}
// Generate a random permutation, making sure it is not the identity
boolean isIdentity = true;
do {
int[] permutation = random.nextPermutation(10, 10);
for (int i = 0; i < 10; i++) {
if (i != permutation[i]) {
isIdentity = false;
}
permuted[i] = original[permutation[i]];
}
} while (isIdentity);
// Verify that permuted array has different hash
assertFalse(MathUtils.hash(original) == MathUtils.hash(permuted));
}
示例3: testPermutedArrayHash
import org.apache.commons.math.random.RandomDataImpl; //导入方法依赖的package包/类
/**
* Make sure that permuted arrays do not hash to the same value.
*/
@Test
public void testPermutedArrayHash() {
double[] original = new double[10];
double[] permuted = new double[10];
RandomDataImpl random = new RandomDataImpl();
// Generate 10 distinct random values
for (int i = 0; i < 10; i++) {
original[i] = random.nextUniform(i + 0.5, i + 0.75);
}
// Generate a random permutation, making sure it is not the identity
boolean isIdentity = true;
do {
int[] permutation = random.nextPermutation(10, 10);
for (int i = 0; i < 10; i++) {
if (i != permutation[i]) {
isIdentity = false;
}
permuted[i] = original[permutation[i]];
}
} while (isIdentity);
// Verify that permuted array has different hash
Assert.assertFalse(MathUtils.hash(original) == MathUtils.hash(permuted));
}
示例4: reset
import org.apache.commons.math.random.RandomDataImpl; //导入方法依赖的package包/类
public void reset(int dim, double w) throws MathException
{
RandomDataImpl dataSampler = new RandomDataImpl(rg);
Sampler sampler = getSampler();
this.a = new double[dim];
this.dim = dim;
this.w = w;
for(int i = 0;i < dim;++i)
{
a[i] = sampler.sample(dataSampler);
}
b = dataSampler.nextUniform(0, w);
}