/// <summary>
/// Checks if all elements along the specified axis are true.
/// </summary>
/// <param name="axis">The axis to check along.</param>
/// <param name="source">The NdArray containing the source values.</param>
/// <returns>A new NdArray containing the result of this operation.</returns>
public static NdArray <bool> AllAxis(int axis, NdArray <bool> source)
{
var(preparedTargt, preparedSource) = NdArray <bool> .PrepareAxisReduceTarget <bool, bool>(axis, source);
FillAllAxis(preparedTargt, axis, preparedSource);
return(preparedTargt);
}
/// <summary>
/// Calculates the minimum value of the elements along the specified axis.
/// </summary>
/// <param name="axis">The axis to calculate the minimum along.</param>
/// <param name="source">The NdArray containing the source values.</param>
/// <returns>A new NdArray containing the result of this operation.</returns>
public static NdArray <T> MinAxis(int axis, NdArray <T> source)
{
var(preparedTarget, preparedSource) = NdArray <T> .PrepareAxisReduceTarget <T, T>(axis, source);
FillMinAxis(preparedTarget, axis, preparedSource);
return(preparedTarget);
}
/// <summary>
/// Finds the index of the maximum value along the specified axis.
/// </summary>
/// <param name="axis">The axis to calculate the maximum along.</param>
/// <param name="source">The NdArray containing the source values.</param>
/// <returns>A new NdArray containing the result of this operation.</returns>
public static NdArray <int> ArgMaxAxis(int axis, NdArray <T> source)
{
var(preparedTargt, preparedSource) = NdArray <T> .PrepareAxisReduceTarget <int, T>(axis, source);
FillArgMaxAxis(preparedTargt, axis, preparedSource);
return(preparedTargt);
}
/// <summary>
/// Finds the first occurence of the specfied value along the specified axis and returns its index.
/// </summary>
/// <param name="value">The value to find.</param>
/// <param name="axis">The axis to find the value along.</param>
/// <param name="source">The NdArray containing the source values.</param>
/// <returns>A new NdArray containing the indices of the first occurence of <paramref name="value"/>.</returns>
public static NdArray <int> FindAxis(T value, int axis, NdArray <T> source)
{
var(preparedTargt, preparedSource) = NdArray <T> .PrepareAxisReduceTarget <int, T>(axis, source);
FillFindAxis(preparedTargt, value, axis, preparedSource);
return(preparedTargt);
}
/// <summary>
/// Calculates the product of the elements along the specified axis.
/// </summary>
/// <param name="axis">The axis to calculate the product along.</param>
/// <param name="source">The NdArray containing the source values.</param>
/// <returns>A new NdArray containing the result of this operation.</returns>
public static NdArray <T> ProductAxis(int axis, NdArray <T> source)
{
var(result, src) = NdArray <T> .PrepareAxisReduceTarget <T, T>(axis, source);
var(src1, _) = NdArray <T> .PrepareAxisReduceSources(result, axis, source, null);
result.Backend.ProductLastAxis(result, src1);
return(result);
}
/// <summary>
/// Counts the elements being true along the specified axis.
/// </summary>
/// <param name="axis">The axis the count along.</param>
/// <param name="source">The NdArray containing the source values.</param>
public static NdArray <int> CountTrueAxis(int axis, NdArray <bool> source)
{
var(preparedTarget, preparedSource) = NdArray <int> .PrepareAxisReduceTarget <int, bool>(axis, source);
preparedTarget.AssertInt();
FillCountTrueAxis(preparedTarget, axis, preparedSource);
return(preparedTarget);
}