Author: celestin
Date: Thu Dec 1 03:44:33 2011
New Revision: 1208944
URL: http://svn.apache.org/viewvc?rev=1208944&view=rev
Log:
Formatting (MATH-677).
Modified:
commons/proper/math/trunk/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
Modified:
commons/proper/math/trunk/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java?rev=1208944&r1=1208943&r2=1208944&view=diff
==============================================================================
---
commons/proper/math/trunk/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
(original)
+++
commons/proper/math/trunk/src/main/java/org/apache/commons/math/transform/FastSineTransformer.java
Thu Dec 1 03:44:33 2011
@@ -56,7 +56,7 @@ public class FastSineTransformer impleme
* @return the real transformed array
* @throws IllegalArgumentException if any parameters are invalid
*/
- public double[] transform(double f[])
+ public double[] transform(double[] f)
throws IllegalArgumentException {
return fst(f);
}
@@ -78,7 +78,7 @@ public class FastSineTransformer impleme
double min, double max, int n)
throws IllegalArgumentException {
- double data[] = FastFourierTransformer.sample(f, min, max, n);
+ double[] data = FastFourierTransformer.sample(f, min, max, n);
data[0] = 0.0;
return fst(data);
}
@@ -93,10 +93,10 @@ public class FastSineTransformer impleme
* @return the real transformed array
* @throws IllegalArgumentException if any parameters are invalid
*/
- public double[] transform2(double f[]) throws IllegalArgumentException {
+ public double[] transform2(double[] f) throws IllegalArgumentException {
- double scaling_coefficient = FastMath.sqrt(2.0 / f.length);
- return FastFourierTransformer.scaleArray(fst(f), scaling_coefficient);
+ double scalingCoefficient = FastMath.sqrt(2.0 / f.length);
+ return FastFourierTransformer.scaleArray(fst(f), scalingCoefficient);
}
/**
@@ -116,10 +116,10 @@ public class FastSineTransformer impleme
UnivariateFunction f, double min, double max, int n)
throws IllegalArgumentException {
- double data[] = FastFourierTransformer.sample(f, min, max, n);
+ double[] data = FastFourierTransformer.sample(f, min, max, n);
data[0] = 0.0;
- double scaling_coefficient = FastMath.sqrt(2.0 / n);
- return FastFourierTransformer.scaleArray(fst(data),
scaling_coefficient);
+ double scalingCoefficient = FastMath.sqrt(2.0 / n);
+ return FastFourierTransformer.scaleArray(fst(data),
scalingCoefficient);
}
/**
@@ -132,10 +132,10 @@ public class FastSineTransformer impleme
* @return the real inversely transformed array
* @throws IllegalArgumentException if any parameters are invalid
*/
- public double[] inverseTransform(double f[]) throws
IllegalArgumentException {
+ public double[] inverseTransform(double[] f) throws
IllegalArgumentException {
- double scaling_coefficient = 2.0 / f.length;
- return FastFourierTransformer.scaleArray(fst(f), scaling_coefficient);
+ double scalingCoefficient = 2.0 / f.length;
+ return FastFourierTransformer.scaleArray(fst(f), scalingCoefficient);
}
/**
@@ -154,10 +154,10 @@ public class FastSineTransformer impleme
public double[] inverseTransform(UnivariateFunction f, double min, double
max, int n)
throws IllegalArgumentException {
- double data[] = FastFourierTransformer.sample(f, min, max, n);
+ double[] data = FastFourierTransformer.sample(f, min, max, n);
data[0] = 0.0;
- double scaling_coefficient = 2.0 / n;
- return FastFourierTransformer.scaleArray(fst(data),
scaling_coefficient);
+ double scalingCoefficient = 2.0 / n;
+ return FastFourierTransformer.scaleArray(fst(data),
scalingCoefficient);
}
/**
@@ -170,7 +170,7 @@ public class FastSineTransformer impleme
* @return the real inversely transformed array
* @throws IllegalArgumentException if any parameters are invalid
*/
- public double[] inverseTransform2(double f[]) throws
IllegalArgumentException {
+ public double[] inverseTransform2(double[] f) throws
IllegalArgumentException {
return transform2(f);
}
@@ -201,9 +201,9 @@ public class FastSineTransformer impleme
* @return the real transformed array
* @throws IllegalArgumentException if any parameters are invalid
*/
- protected double[] fst(double f[]) throws IllegalArgumentException {
+ protected double[] fst(double[] f) throws IllegalArgumentException {
- final double transformed[] = new double[f.length];
+ final double[] transformed = new double[f.length];
FastFourierTransformer.verifyDataSet(f);
if (f[0] != 0.0) {
@@ -222,13 +222,13 @@ public class FastSineTransformer impleme
x[0] = 0.0;
x[n >> 1] = 2.0 * f[n >> 1];
for (int i = 1; i < (n >> 1); i++) {
- final double a = FastMath.sin(i * FastMath.PI / n) * (f[i] +
f[n-i]);
- final double b = 0.5 * (f[i] - f[n-i]);
+ final double a = FastMath.sin(i * FastMath.PI / n) * (f[i] + f[n -
i]);
+ final double b = 0.5 * (f[i] - f[n - i]);
x[i] = a + b;
x[n - i] = a - b;
}
FastFourierTransformer transformer = new FastFourierTransformer();
- Complex y[] = transformer.transform(x);
+ Complex[] y = transformer.transform(x);
// reconstruct the FST result for the original array
transformed[0] = 0.0;
