public sbyte8(sbyte3 x012, sbyte2 x34, sbyte3 x567)
{
if (Sse2.IsSse2Supported)
{
v128 hi = Sse2.bslli_si128(x567, 2 * sizeof(sbyte));
if (Sse4_1.IsSse41Supported)
{
hi = Sse4_1.blend_epi16(x34, hi, 0b0110);
}
else
{
hi = Mask.BlendEpi16_SSE2(x34, hi, 0b0110);
}
hi = Sse2.bslli_si128(hi, 3 * sizeof(sbyte));
this = Mask.BlendV(x012, hi, new byte8(0, 0, 0, 255, 255, 255, 255, 255));
}
else
{
this.x0 = x012.x;
this.x1 = x012.y;
this.x2 = x012.z;
this.x3 = x34.x;
this.x4 = x34.y;
this.x5 = x567.x;
this.x6 = x567.y;
this.x7 = x567.z;
}
}
public sbyte8(sbyte3 x012, sbyte3 x345, sbyte2 x67)
{
if (Sse2.IsSse2Supported)
{
v128 mid = Sse2.bslli_si128(x345, 3 * sizeof(sbyte));
v128 hi = Sse2.bslli_si128(x67, 6 * sizeof(sbyte));
mid = Mask.BlendV(x012, mid, new byte8(0, 0, 0, 255, 255, 255, 0, 0));
if (Sse4_1.IsSse41Supported)
{
this = Sse4_1.blend_epi16(mid, hi, 0b1000);
}
else
{
this = Mask.BlendEpi16_SSE2(mid, hi, 0b1000);
}
}
else
{
this.x0 = x012.x;
this.x1 = x012.y;
this.x2 = x012.z;
this.x3 = x345.x;
this.x4 = x345.y;
this.x5 = x345.z;
this.x6 = x67.x;
this.x7 = x67.y;
}
}
public sbyte2x3(sbyte m00, sbyte m01, sbyte m02,
sbyte m10, sbyte m11, sbyte m12)
{
this.c0 = new sbyte2(m00, m10);
this.c1 = new sbyte2(m01, m11);
this.c2 = new sbyte2(m02, m12);
}
public sbyte8(sbyte2 x01, sbyte3 x234, sbyte3 x567)
{
if (Sse2.IsSse2Supported)
{
v128 mid = Sse2.bslli_si128(x234, 2 * sizeof(sbyte));
v128 hi = Sse2.bslli_si128(x567, 5 * sizeof(sbyte));
hi = Mask.BlendV(mid, hi, new byte8(0, 0, 0, 0, 0, 255, 255, 255));
if (Sse4_1.IsSse41Supported)
{
this = Sse4_1.blend_epi16(x01, hi, 0b1110);
}
else
{
this = Mask.BlendEpi16_SSE2(x01, hi, 0b1110);
}
}
else
{
this.x0 = x01.x;
this.x1 = x01.y;
this.x2 = x234.x;
this.x3 = x234.y;
this.x4 = x234.z;
this.x5 = x567.x;
this.x6 = x567.y;
this.x7 = x567.z;
}
}
public static byte2 lcm(sbyte2 x, sbyte2 y)
{
byte2 absX = (byte2)abs(x);
byte2 absY = (byte2)abs(y);
return((absX / gcd(absX, absY)) * absY);
}
public static bool2 isdivisible(sbyte2 dividend, sbyte2 divisor)
{
Assert.AreNotEqual(0, divisor.x);
Assert.AreNotEqual(0, divisor.y);
return(dividend % divisor == 0);
}
public sbyte2x4(sbyte2 c0, sbyte2 c1, sbyte2 c2, sbyte2 c3)
{
this.c0 = c0;
this.c1 = c1;
this.c2 = c2;
this.c3 = c3;
}
public sbyte2x4(sbyte v)
{
this.c0 = v;
this.c1 = v;
this.c2 = v;
this.c3 = v;
}
public sbyte2x4(sbyte m00, sbyte m01, sbyte m02, sbyte m03,
sbyte m10, sbyte m11, sbyte m12, sbyte m13)
{
this.c0 = new sbyte2(m00, m10);
this.c1 = new sbyte2(m01, m11);
this.c2 = new sbyte2(m02, m12);
this.c3 = new sbyte2(m03, m13);
}
internal static sbyte2 vdiv_sbyte(sbyte2 dividend, sbyte2 divisor)
{
Assert.AreNotEqual(divisor.x, 0);
Assert.AreNotEqual(divisor.y, 0);
v128 floatResult = vdiv_byte_quotient((int2)dividend, (int2)divisor);
return((sbyte2)(*(float2 *)&floatResult));
}
public static quarter2 asquarter(sbyte2 x)
{
if (Sse.IsSseSupported)
{
return((v128)x);
}
else
{
return(*(quarter2 *)&x);
}
}
public static sbyte2 subadd(sbyte2 a, sbyte2 b)
{
if (Ssse3.IsSsse3Supported)
{
return(a + Ssse3.sign_epi8(b, new byte2(255, 1)));
}
else
{
return(a - select(b, -b, new bool2(false, true)));
}
}
internal static sbyte2 vrem_sbyte(sbyte2 dividend, sbyte2 divisor)
{
Assert.AreNotEqual(divisor.x, 0);
Assert.AreNotEqual(divisor.y, 0);
int2 castDividend = dividend;
int2 castDivisor = divisor;
v128 floatResult = vdiv_byte_quotient(castDividend, castDivisor);
return((sbyte2)(castDividend - ((int2)(*(float2 *)&floatResult) * castDivisor)));
}
public static sbyte cmin(sbyte2 x)
{
if (Ssse3.IsSsse3Supported)
{
return(min(x, x.yy).x);
}
else
{
return((sbyte)math.min((int)x.x, (int)x.y));
}
}
public static sbyte2 divrem(sbyte2 dividend, sbyte2 divisor, out sbyte2 remainder)
{
if (Sse2.IsSse2Supported)
{
return(Operator.vdivrem_sbyte(dividend, divisor, out remainder));
}
else
{
remainder = dividend % divisor;
return(dividend / divisor);
}
}
public static sbyte2 divrem(sbyte2 dividend, sbyte divisor, out sbyte2 remainder)
{
if (Constant.IsConstantExpression(divisor))
{
remainder = dividend % divisor;
return(dividend / divisor);
}
else
{
return(divrem(dividend, (sbyte2)divisor, out remainder));
}
}
internal static sbyte2 vdivrem_sbyte(sbyte2 dividend, sbyte2 divisor, out sbyte2 remainder)
{
Assert.AreNotEqual(divisor.x, 0);
Assert.AreNotEqual(divisor.y, 0);
int2 castDividend = dividend;
int2 castDivisor = divisor;
v128 floatResult = vdiv_byte_quotient(castDividend, castDivisor);
int2 quotientCast = (int2)(*(float2 *)&floatResult);
remainder = (sbyte2)(castDividend - quotientCast * castDivisor);
return((sbyte2)quotientCast);
}
public static sbyte2 rol(sbyte2 x, sbyte2 n)
{
if (Sse2.IsSse2Supported)
{
n &= 7;
return((sbyte2)(shl((byte2)x, (byte2)n) | shrl((byte2)x, (byte2)(-n & 7))));
}
else
{
return(new sbyte2(rol(x.x, n.x), rol(x.y, n.y)));
}
}
public static bool2 ispow2(sbyte2 x)
{
if (Sse2.IsSse2Supported)
{
v128 result = Sse2.and_si128(Sse2.and_si128(Sse2.cmpgt_epi8(x, default(v128)),
Sse2.cmpeq_epi8(default(v128), x & (x - 1))),
new sbyte16(1));
return(*(bool2 *)&result);
}
else
{
return(new bool2(math.ispow2(x.x), math.ispow2(x.y)));
}
}
public static sbyte2 compareto(byte2 x, byte2 y)
{
if (Sse2.IsSse2Supported)
{
sbyte2 xGreatery = Operator.greater_mask_byte(x, y);
sbyte2 yGreaterx = Operator.greater_mask_byte(y, x);
return((0 - xGreatery) + yGreaterx);
}
else
{
return(new sbyte2((sbyte)compareto(x.x, y.x),
(sbyte)compareto(x.y, y.y)));
}
}
public static sbyte2 sign(sbyte2 x)
{
if (Ssse3.IsSsse3Supported)
{
return(Ssse3.sign_epi8(new sbyte2(1), x));
}
else if (Sse2.IsSse2Supported)
{
return(((sbyte2)Sse2.cmpgt_epi8(x, default(v128)) & 1) + Sse2.cmpgt_epi8(default(v128), x));
}
else
{
return((x >> 7) | (sbyte2)((byte2)(-x) >> 7));
}
}
public static sbyte2 max(sbyte2 a, sbyte2 b)
{
if (Sse4_1.IsSse41Supported)
{
return(Sse4_1.max_epi8(a, b));
}
else if (Sse2.IsSse2Supported)
{
return(Mask.BlendV(a, b, Sse2.cmpgt_epi8(b, a)));
}
else
{
return(new sbyte2((sbyte)math.max(a.x, b.x), (sbyte)math.max(a.y, b.y)));
}
}
public static sbyte2 compareto(sbyte2 x, sbyte2 y)
{
if (Sse2.IsSse2Supported)
{
sbyte2 xGreatery = Sse2.cmpgt_epi8(x, y);
sbyte2 yGreaterx = Sse2.cmpgt_epi8(y, x);
return((0 - xGreatery) + yGreaterx);
}
else
{
return(new sbyte2((sbyte)compareto(x.x, y.x),
(sbyte)compareto(x.y, y.y)));
}
}
public static sbyte2 nabs(sbyte2 x)
{
if (Ssse3.IsSsse3Supported)
{
return(Sse2.sub_epi8(default(v128), Ssse3.abs_epi8(x)));
}
else if (Sse2.IsSse2Supported)
{
return(Mask.BlendV(-x, x, Sse2.cmpgt_epi8(default(v128), x)));
}
else
{
return(new sbyte2((sbyte)nabs((int)x.x), (sbyte)nabs((int)x.y)));
}
}
public static sbyte2 avg(sbyte2 x, sbyte2 y)
{
short2 result = ((short2)x + (short2)y);
// if the intermediate sum is positive add 1
if (Sse2.IsSse2Supported)
{
result -= Sse2.cmpgt_epi16(result, default(v128));
}
else
{
result += toint8(result > 0);
}
return((sbyte2)(result >> 1));
}
public sbyte2 NextSByte2(sbyte2 min, sbyte2 max)
{
Assert.IsNotSmaller(max.x, min.x);
Assert.IsNotSmaller(max.y, min.y);
if (Ssse3.IsSsse3Supported)
{
ushort2 temp = (ushort2)(max - min) * new ushort2(NextState(), NextState());
return(min + Ssse3.shuffle_epi8(temp, new byte4(1, 3, 0, 0)));
}
else
{
return(min + (sbyte2)(((ushort2)(max - min) * new ushort2(NextState(), NextState())) >> 8));
}
}
public static sbyte2 abs(sbyte2 x)
{
if (Ssse3.IsSsse3Supported)
{
return(Ssse3.abs_epi8(x));
}
else if (Sse2.IsSse2Supported)
{
v128 mask = Sse2.cmpgt_epi8(default(v128), x);
return((x + mask) ^ mask);
}
else
{
return(new sbyte2((sbyte)math.abs(x.x), (sbyte)math.abs(x.y)));
}
}
public static sbyte2 negate(sbyte2 x, bool2 p)
{
Assert.IsSafeBoolean(p.x);
Assert.IsSafeBoolean(p.y);
if (Sse2.IsSse2Supported)
{
sbyte2 mask = Sse2.cmpgt_epi8(*(v128 *)&p, default(v128));
return((x ^ mask) - mask);
}
else
{
sbyte2 mask = toint8(p);
return((x ^ -mask) + mask);
}
}
public sbyte8(sbyte2 x01, sbyte2 x23, sbyte2 x45, sbyte2 x67)
{
if (Sse2.IsSse2Supported)
{
this = new sbyte8(new sbyte4(x01, x23), new sbyte4(x45, x67));
}
else
{
this.x0 = x01.x;
this.x1 = x01.y;
this.x2 = x23.x;
this.x3 = x23.y;
this.x4 = x45.x;
this.x5 = x45.y;
this.x6 = x67.x;
this.x7 = x67.y;
}
}
public sbyte8(sbyte2 x01, sbyte4 x2345, sbyte2 x67)
{
if (Sse2.IsSse2Supported)
{
this = new sbyte8((sbyte4)Sse2.unpacklo_epi16(x01, x2345),
(sbyte4)Sse2.unpacklo_epi16(Sse2.bsrli_si128(x2345, 2 * sizeof(sbyte)), x67));
}
else
{
this.x0 = x01.x;
this.x1 = x01.y;
this.x2 = x2345.x;
this.x3 = x2345.y;
this.x4 = x2345.z;
this.x5 = x2345.w;
this.x6 = x67.x;
this.x7 = x67.y;
}
}
