/// <summary>
/// A simple 1D kernel using math functions.
/// The <see cref="IntrinsicMath"/> class contains intrinsic math functions that -
/// in contrast to the default .Net Math class - work on both floats and doubles. Note that
/// the /// <see cref="IntrinsicMath"/> class is supported on all accelerators.
/// The CompileUnitFlags.FastMath flag can be used during the creation of the compile unit
/// to enable fast math intrinsics.
/// Note that the full power of math functions on all accelerators is available via the
/// Algorithms library (see ILGPU.Algorithms.Math sample).
/// </summary>
/// <param name="index">The current thread index.</param>
/// <param name="dataView">The view pointing to our memory buffer.</param>
/// <param name="constant">A uniform constant.</param>
static void MathKernel(
Index1D index, // The global thread index (1D in this case)
ArrayView <float> singleView, // A view of floats to store float results from GPUMath
ArrayView <double> doubleView, // A view of doubles to store double results from GPUMath
ArrayView <double> doubleView2) // A view of doubles to store double results from .Net Math
{
// Note the different returns type of GPUMath.Sqrt and Math.Sqrt.
singleView[index] = IntrinsicMath.Abs(index);
doubleView[index] = IntrinsicMath.Clamp((double)(int)index, 0.0, 12.0);
// Note that use can safely use functions from the Math class as long as they have a counterpart
// in the IntrinsicMath class.
doubleView2[index] = Math.Min(0.2, index);
}
public static ulong Clamp(ulong value, ulong min, ulong max) => IntrinsicMath.Clamp(value, min, max);
public static ushort Clamp(ushort value, ushort min, ushort max) => IntrinsicMath.Clamp(value, min, max);
public static uint Clamp(uint value, uint min, uint max) => IntrinsicMath.Clamp(value, min, max);
public static byte Clamp(byte value, byte min, byte max) => IntrinsicMath.Clamp(value, min, max);
public static long Clamp(long value, long min, long max) => IntrinsicMath.Clamp(value, min, max);
public static int Clamp(int value, int min, int max) => IntrinsicMath.Clamp(value, min, max);
public static float Clamp(float value, float min, float max) => IntrinsicMath.Clamp(value, min, max);
public static double Clamp(double value, double min, double max) => IntrinsicMath.Clamp(value, min, max);