public static void LoopSafeExp(this Algo.MathProvider provider, double[] array, double[] result, int count)
{
for (var i = 0; i < count; i++)
{
result[i] = System.Math.Exp(array[i]);
}
}
public static void LoopSafeAdd(this Algo.MathProvider provider, float[] array, float scalar, float[] result, int count)
{
for (var i = 0; i < count; i++)
{
result[i] = array[i] + scalar;
}
}
public static unsafe void LoopAdd(this Algo.MathProvider provider, float[] array, float scalar, float[] result, int count)
{
fixed(float *src = &array[0])
fixed(float *tgt = &result[0])
{
for (var i = 0; i < count; i++)
{
*(float *)(tgt + i) = ((*(float *)(src + i)) + scalar);
}
}
}
public static void SIMDAdd(this Algo.MathProvider provider, float[] array, float scalar, float[] result, int count)
{
var vectorSize = Vector <float> .Count;
var scalarVector = new Vector <float>(scalar);
int i = 0;
for (i = 0; i + vectorSize < count; i = i + vectorSize)
{
var vector = new Vector <float>(array, i);
var resultVector = vector * scalarVector;
resultVector.CopyTo(result, i);
}
if (count > vectorSize)
{
i = i - vectorSize + 1;
}
for (int j = i; j < count; j++)
{
result[j] = array[j] + scalar;
}
}
public static int AddTwoInts(this Algo.MathProvider provider, int first, int second)
{
return(first + second);
}