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java.lang.Objectorg.encog.mathutil.EncogMath
public final class EncogMath
Several useful math functions for Encog.
Method Summary | |
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static double |
deg2rad(double deg)
Convert degrees to radians. |
static boolean |
doubleEquals(double d1,
double d2)
Determine if one double equals another, within the default percision. |
static double |
factorial(int x)
Calculate x!. |
static double |
hypot(double a,
double b)
sqrt(a^2 + b^2) without under/overflow. |
static int |
maxIndex(double[] array)
Get the index to the greatest number in a double array. |
static int |
minIndex(double[] array)
Get the index to the smallest number in a double array. |
static double |
rad2deg(double rad)
Convert radians to degrees. |
static int |
sign(double value)
Determine the sign of the value. |
static double |
square(double d)
|
static int |
thirds(double value)
Transform a number in the range (-1,1) to a tri-state value indicated by -1, 0 or 1. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static double deg2rad(double deg)
deg
- Degrees.
public static boolean doubleEquals(double d1, double d2)
d1
- The first number.d2
- The second number.
public static double hypot(double a, double b)
a
- First param.b
- Second param.
public static int maxIndex(double[] array)
array
- The array to search.
public static int minIndex(double[] array)
array
- The array to search.
public static double rad2deg(double rad)
rad
- Radians
public static double factorial(int x)
x
- The number to calculate for.
public static double square(double d)
public static int sign(double value)
value
- The value to check.
public static int thirds(double value)
value
- The value to consider.
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