ValidationUtils (deeplearning4j-nn 1.0.0-beta5 API)

java.lang.Object
- org.deeplearning4j.util.ValidationUtils

```
public class ValidationUtils
extends Object
```
Validation methods for array sizes/shapes and value non-negativeness

Author:

Ryan Nett

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int[]`	`validate1(int[] data, String paramName)` Reformats the input array to a length 1 array.
`static int[]`	`validate1NonNegative(int[] data, String paramName)` Reformats the input array to a length 1 array and checks that all values are >= 0.
`static int[]`	`validate2(int[] data, boolean allowSz1, String paramName)` Reformats the input array to a length 2 array.
`static int[]`	`validate2NonNegative(int[] data, boolean allowSz1, String paramName)` Reformats the input array to a length 2 array and checks that all values are >= 0.
`static int[][]`	`validate2x2(int[][] data, String paramName)` Reformats the input array to a 2x2 array.
`static int[][]`	`validate2x2NonNegative(int[][] data, String paramName)` Reformats the input array to a 2x2 array and checks that all values are >= 0.
`static int[]`	`validate3(int[] data, String paramName)` Reformats the input array to a length 3 array.
`static int[]`	`validate3NonNegative(int[] data, String paramName)` Reformats the input array to a length 3 array and checks that all values >= 0.
`static int[]`	`validate4(int[] data, String paramName)` Reformats the input array to a length 4 array.
`static int[]`	`validate4NonNegative(int[] data, String paramName)` Reformats the input array to a length 4 array and checks that all values >= 0.
`static int[]`	`validate6(int[] data, String paramName)` Reformats the input array to a length 6 array.
`static int[]`	`validate6NonNegative(int[] data, String paramName)` Reformats the input array to a length 6 array and checks that all values >= 0.
`static void`	`validateNonNegative(double data, String paramName)` Checks that the values is >= 0.
`static void`	`validateNonNegative(int[] data, String paramName)` Checks that all values are >= 0.
`static void`	`validateNonNegative(int data, String paramName)` Checks that the values is >= 0.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - validateNonNegative
```
public static void validateNonNegative(int data,
                                       String paramName)
```
    Checks that the values is >= 0.
    
    Parameters:
    
    data - An int
    
    paramName - The param name, for error reporting
  - validateNonNegative
```
public static void validateNonNegative(double data,
                                       String paramName)
```
    Checks that the values is >= 0.
    
    Parameters:
    
    data - An int
    
    paramName - The param name, for error reporting
  - validateNonNegative
```
public static void validateNonNegative(int[] data,
                                       String paramName)
```
    Checks that all values are >= 0.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
  - validate1NonNegative
```
public static int[] validate1NonNegative(int[] data,
                                         String paramName)
```
    Reformats the input array to a length 1 array and checks that all values are >= 0. If the array is length 1, returns the array
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 1 that represents the input
  - validate1
```
public static int[] validate1(int[] data,
                              String paramName)
```
    Reformats the input array to a length 1 array. If the array is length 1, returns the array
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 1 that represents the input
  - validate2NonNegative
```
public static int[] validate2NonNegative(int[] data,
                                         boolean allowSz1,
                                         String paramName)
```
    Reformats the input array to a length 2 array and checks that all values are >= 0. If the array is length 1, returns [a, a] If the array is length 2, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 2 that represents the input
  - validate2
```
public static int[] validate2(int[] data,
                              boolean allowSz1,
                              String paramName)
```
    Reformats the input array to a length 2 array. If the array is length 1, returns [a, a] If the array is length 2, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 2 that represents the input
  - validate2x2NonNegative
```
public static int[][] validate2x2NonNegative(int[][] data,
                                             String paramName)
```
    Reformats the input array to a 2x2 array and checks that all values are >= 0. If the array is 2x1 ([[a], [b]]), returns [[a, a], [b, b]] If the array is 1x2 ([[a, b]]), returns [[a, b], [a, b]] If the array is 2x2, returns the array
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 2 that represents the input
  - validate2x2
```
public static int[][] validate2x2(int[][] data,
                                  String paramName)
```
    Reformats the input array to a 2x2 array. If the array is 2x1 ([[a], [b]]), returns [[a, a], [b, b]] If the array is 1x2 ([[a, b]]), returns [[a, b], [a, b]] If the array is 2x2, returns the array
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 2 that represents the input
  - validate3NonNegative
```
public static int[] validate3NonNegative(int[] data,
                                         String paramName)
```
    Reformats the input array to a length 3 array and checks that all values >= 0. If the array is length 1, returns [a, a, a] If the array is length 3, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 3 that represents the input
  - validate3
```
public static int[] validate3(int[] data,
                              String paramName)
```
    Reformats the input array to a length 3 array. If the array is length 1, returns [a, a, a] If the array is length 3, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 3 that represents the input
  - validate4NonNegative
```
public static int[] validate4NonNegative(int[] data,
                                         String paramName)
```
    Reformats the input array to a length 4 array and checks that all values >= 0. If the array is length 1, returns [a, a, a, a] If the array is length 2, return [a, a, b, b] If the array is length 4, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 4 that represents the input
  - validate4
```
public static int[] validate4(int[] data,
                              String paramName)
```
    Reformats the input array to a length 4 array. If the array is length 1, returns [a, a, a, a] If the array is length 2, return [a, a, b, b] If the array is length 4, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 4 that represents the input
  - validate6NonNegative
```
public static int[] validate6NonNegative(int[] data,
                                         String paramName)
```
    Reformats the input array to a length 6 array and checks that all values >= 0. If the array is length 1, returns [a, a, a, a, a, a] If the array is length 3, return [a, a, b, b, c, c] If the array is length 6, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 6 that represents the input
  - validate6
```
public static int[] validate6(int[] data,
                              String paramName)
```
    Reformats the input array to a length 6 array. If the array is length 1, returns [a, a, a, a, a, a] If the array is length 3, return [a, a, b, b, c, c] If the array is length 6, returns the array.
    
    Parameters:
    
    data - An array
    
    paramName - The param name, for error reporting
    
    Returns:
    
    An int array of length 6 that represents the input

Class ValidationUtils

Method Summary

Methods inherited from class java.lang.Object

Method Detail

validateNonNegative

validateNonNegative

validateNonNegative

validate1NonNegative

validate1

validate2NonNegative

validate2

validate2x2NonNegative

validate2x2

validate3NonNegative

validate3

validate4NonNegative

validate4

validate6NonNegative

validate6