public virtual DoubleArray Function(UnaryFunctionHandler function, bool copy = true)
{
var @this = (copy ? this.Clone() : this);
fixed(double *arr = @this)
{
var len = @this.LinearLength;
for (int i = 0; i < len; i++)
{
arr[i] = function(arr[i]);
}
}
return(@this);
}
/// <summary>
/// Performs a math <paramref name="op"/> over <see cref="DoubleArray.Value"/> or value from <paramref name="selector"/>. The result is stored in a <see cref="Identity"/>.
/// </summary>
/// <param name="first">The indicator that sends data via <see cref="IUpdatable.Updated"/> even to the math <paramref name="op"/></param>
/// <param name="op">The operation to perform on <see cref="DoubleArray.Value"/>.</param>
/// <param name="selector">A selector to choose what <see cref="double"/> to pass to math <paramref name="op"/>. By default <see cref="DoubleArray.Value"/> is used.</param>
/// <param name="waitForFirstToReady">First must be ready in order to push the updates forward.</param>
/// <param name="name">Name of the new returned <see cref="Identity"/> representing the <paramref name="op"/>.</param>
public static Identity Function(this IUpdatable first, UnaryFunctionHandler op, SelectorFunctionHandler selector = null, bool waitForFirstToReady = true, string name = null)
{
if (op == null)
{
throw new ArgumentNullException(nameof(op));
}
var idn = new Identity(ResolveName(first, name));
if (selector == null)
{
if (waitForFirstToReady)
{
first.Updated += (time, updated) => {
if (first.IsReady)
{
idn.Update(time, op(updated.Value));
}
};
}
else
{
first.Updated += (time, updated) => idn.Update(time, op(updated.Value));
}
}
else
{
if (waitForFirstToReady)
{
first.Updated += (time, updated) => {
if (first.IsReady)
{
idn.Update(time, new DoubleArrayScalar(op(selector(updated))));
}
};
}
else
{
first.Updated += (time, updated) => idn.Update(time, new DoubleArrayScalar(op(selector(updated))));
}
}
first.Resetted += sender => idn.Reset();
return(idn);
}
public virtual DoubleArray Function(int property, UnaryFunctionHandler function, bool copy = true)
{
var @this = (copy ? this.Clone() : this);
fixed(double *src = @this)
{
var len = @this.Count;
var props = @this.Properties;
int offset = property;
for (int i = 0; i < len; i++, offset += props)
{
src[offset] = function(src[offset]);
}
}
return(@this);
}
