Abs (implemented as pand [7fffffff,...] )
Comparison functions
Mask extraction function
- Setters
vector x float ops
- Single float constructor (expand it to the 4 positions)
Replace Shuffle with less bug prone methods
*/
- [StructLayout(LayoutKind.Sequential, Pack = 0, Size = 16)]
+ [StructLayout(LayoutKind.Explicit, Pack = 0, Size = 16)]
public struct Vector4f
{
- private float x;
- private float y;
- private float z;
- private float w;
+ [ FieldOffset(0) ]
+ internal float x;
+ [ FieldOffset(4) ]
+ internal float y;
+ [ FieldOffset(8) ]
+ internal float z;
+ [ FieldOffset(12) ]
+ internal float w;
public float X { get { return x; } set { x = value; } }
public float Y { get { return y; } set { y = value; } }
public float Z { get { return z; } set { z = value; } }
public float W { get { return w; } set { w = value; } }
+ public static Vector4f Pi
+ {
+ get { return new Vector4f ((float)System.Math.PI); }
+ }
+
+ public static Vector4f E
+ {
+ get { return new Vector4f ((float)System.Math.E); }
+ }
+
+ public static Vector4f One
+ {
+ get { return new Vector4f (1); }
+ }
+
+ public static Vector4f Zero
+ {
+ get { return new Vector4f (0); }
+ }
+
+ public static Vector4f MinusOne
+ {
+ get { return new Vector4f (-1); }
+ }
+
[System.Runtime.CompilerServices.IndexerName ("Component")]
public unsafe float this [int index]
{
this.z = z;
this.w = w;
}
+
+ public Vector4f (float f)
+ {
+ this.x = f;
+ this.y = f;
+ this.z = f;
+ this.w = f;
+ }
[Acceleration (AccelMode.SSE1)]
public static unsafe Vector4f operator & (Vector4f v1, Vector4f v2)
}
[Acceleration (AccelMode.SSE1)]
- public static Vector4f operator / (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (v1.x / v2.x, v1.y / v2.y, v1.z / v2.z, v1.w / v2.w);
- }
-
- [Acceleration (AccelMode.SSE2)]
- public static bool operator ==(Vector4f v1, Vector4f v2)
- {
- return v1.x == v2.x && v1.y == v2.y && v1.z == v2.z && v1.w == v2.w;
- }
-
- [Acceleration (AccelMode.SSE2)]
- public static bool operator !=(Vector4f v1, Vector4f v2)
+ public static Vector4f operator * (float scalar, Vector4f v)
{
- return v1.x != v2.x || v1.y != v2.y || v1.z != v2.z || v1.w != v2.w;
+ return new Vector4f (scalar * v.x, scalar * v.y, scalar * v.z, scalar * v.w);
}
[Acceleration (AccelMode.SSE1)]
- public static unsafe Vector4f AndNot (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *a = (int*)&v1;
- int *b = (int*)&v2;
- int *c = (int*)&res;
- *c++ = ~*a++ & *b++;
- *c++ = ~*a++ & *b++;
- *c++ = ~*a++ & *b++;
- *c = ~*a & *b;
- return res;
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f Sqrt (Vector4f v1)
- {
- return new Vector4f ((float)System.Math.Sqrt ((float)v1.x),
- (float)System.Math.Sqrt ((float)v1.y),
- (float)System.Math.Sqrt ((float)v1.z),
- (float)System.Math.Sqrt ((float)v1.w));
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f InvSqrt (Vector4f v1)
- {
- return new Vector4f ((float)(1.0 / System.Math.Sqrt ((float)v1.x)),
- (float)(1.0 / System.Math.Sqrt ((float)v1.y)),
- (float)(1.0 / System.Math.Sqrt ((float)v1.z)),
- (float)(1.0 / System.Math.Sqrt ((float)v1.w)));
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f Reciprocal (Vector4f v1)
- {
- return new Vector4f (1.0f / v1.x, 1.0f / v1.y, 1.0f / v1.z, 1.0f / v1.w);
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f Max (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (System.Math.Max (v1.x, v2.x),
- System.Math.Max (v1.y, v2.y),
- System.Math.Max (v1.z, v2.z),
- System.Math.Max (v1.w, v2.w));
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f Min (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (System.Math.Min (v1.x, v2.x),
- System.Math.Min (v1.y, v2.y),
- System.Math.Min (v1.z, v2.z),
- System.Math.Min (v1.w, v2.w));
- }
-
- [Acceleration (AccelMode.SSE3)]
- public static Vector4f HorizontalAdd (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (v1.x + v1.y, v1.z + v1.w, v2.x + v2.y, v2.z + v2.w);
- }
-
- [Acceleration (AccelMode.SSE3)]
- public static Vector4f AddSub (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (v1.x - v2.x, v1.y + v2.y, v1.z - v2.z, v1.w + v2.w);
- }
-
- [Acceleration (AccelMode.SSE3)]
- public static Vector4f HorizontalSub (Vector4f v1, Vector4f v2)
+ public static Vector4f operator * (Vector4f v, float scalar)
{
- return new Vector4f (v1.x - v1.y, v1.z - v1.w, v2.x - v2.y, v2.z - v2.w);
+ return new Vector4f (scalar * v.x, scalar * v.y, scalar * v.z, scalar * v.w);
}
[Acceleration (AccelMode.SSE1)]
- public static Vector4f InterleaveHigh (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (v1.z, v2.z, v1.w, v2.w);
- }
-
- [Acceleration (AccelMode.SSE1)]
- public static Vector4f InterleaveLow (Vector4f v1, Vector4f v2)
- {
- return new Vector4f (v1.x, v2.x, v1.y, v2.y);
- }
-
- /*Same as a == b. */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareEqual (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x == v2.x ? -1 : 0;
- *c++ = v1.y == v2.y ? -1 : 0;
- *c++ = v1.z == v2.z ? -1 : 0;
- *c = v1.w == v2.w ? -1 : 0;
- return res; }
-
- /*Same as a < b. */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareLessThan (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x < v2.x ? -1 : 0;
- *c++ = v1.y < v2.y ? -1 : 0;
- *c++ = v1.z < v2.z ? -1 : 0;
- *c = v1.w < v2.w ? -1 : 0;
- return res;
- }
-
- /*Same as a <= b. */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareLessEqual (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x <= v2.x ? -1 : 0;
- *c++ = v1.y <= v2.y ? -1 : 0;
- *c++ = v1.z <= v2.z ? -1 : 0;
- *c = v1.w <= v2.w ? -1 : 0;
- return res; }
-
- /*Same float.IsNaN (a) || float.IsNaN (b). */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareUnordered (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = float.IsNaN (v1.x) || float.IsNaN (v2.x) ? -1 : 0;
- *c++ = float.IsNaN (v1.y) || float.IsNaN (v2.y) ? -1 : 0;
- *c++ = float.IsNaN (v1.z) || float.IsNaN (v2.z) ? -1 : 0;
- *c = float.IsNaN (v1.w) || float.IsNaN (v2.w) ? -1 : 0;
- return res; }
-
- /*Same as a != b. */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareNotEqual (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x != v2.x ? -1 : 0;
- *c++ = v1.y != v2.y ? -1 : 0;
- *c++ = v1.z != v2.z ? -1 : 0;
- *c = v1.w != v2.w ? -1 : 0;
- return res;
- }
-
- /*Same as !(a < b). */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareNotLessThan (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x < v2.x ? 0 : -1;
- *c++ = v1.y < v2.y ? 0 : -1;
- *c++ = v1.z < v2.z ? 0 : -1;
- *c = v1.w < v2.w ? 0 : -1;
- return res;
- }
-
- /*Same as !(a <= b). */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareNotLessEqual (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = v1.x <= v2.x ? 0 : -1;
- *c++ = v1.y <= v2.y ? 0 : -1;
- *c++ = v1.z <= v2.z ? 0 : -1;
- *c = v1.w <= v2.w ? 0 : -1;
- return res;
- }
-
- /*Same !float.IsNaN (a) && !float.IsNaN (b). */
- [Acceleration (AccelMode.SSE1)]
- public unsafe static Vector4f CompareOrdered (Vector4f v1, Vector4f v2)
- {
- Vector4f res = new Vector4f ();
- int *c = (int*)&res;
- *c++ = !float.IsNaN (v1.x) && !float.IsNaN (v2.x) ? -1 : 0;
- *c++ = !float.IsNaN (v1.y) && !float.IsNaN (v2.y) ? -1 : 0;
- *c++ = !float.IsNaN (v1.z) && !float.IsNaN (v2.z) ? -1 : 0;
- *c = !float.IsNaN (v1.w) && !float.IsNaN (v2.w) ? -1 : 0;
- return res; }
-
- [Acceleration (AccelMode.SSE3)]
- public static Vector4f DuplicateLow (Vector4f v1)
+ public static Vector4f operator / (Vector4f v1, Vector4f v2)
{
- return new Vector4f (v1.x, v1.x, v1.z, v1.z);
+ return new Vector4f (v1.x / v2.x, v1.y / v2.y, v1.z / v2.z, v1.w / v2.w);
}
- [Acceleration (AccelMode.SSE3)]
- public static Vector4f DuplicateHigh (Vector4f v1)
+ [Acceleration (AccelMode.SSE2)]
+ public static bool operator ==(Vector4f v1, Vector4f v2)
{
- return new Vector4f (v1.y, v1.y, v1.w, v1.w);
+ return v1.x == v2.x && v1.y == v2.y && v1.z == v2.z && v1.w == v2.w;
}
- /*
- The sel argument must be a value combination of ShuffleSel flags.
- */
[Acceleration (AccelMode.SSE2)]
- public static unsafe Vector4f Shuffle (Vector4f v1, ShuffleSel sel)
+ public static bool operator !=(Vector4f v1, Vector4f v2)
{
- float *ptr = (float*)&v1;
- int idx = (int)sel;
- return new Vector4f (*(ptr + ((idx >> 0) & 0x3)),*(ptr + ((idx >> 2) & 0x3)),*(ptr + ((idx >> 4) & 0x3)),*(ptr + ((idx >> 6) & 0x3)));
+ return v1.x != v2.x || v1.y != v2.y || v1.z != v2.z || v1.w != v2.w;
}
[Acceleration (AccelMode.SSE1)]
public static unsafe void PrefetchNonTemporal (Vector4f *res)
{
}
+
+ public override string ToString()
+ {
+ return "<" + x + ", " + y + ", " + z + ", " + w + ">";
+ }
}
}
projects / mono.git / blobdiff