public void ChooseSByteTest()
{
var g = new Generator("ChooseSByteTest");
for (int i = 0; i < 100; i++)
{
var a = (ulong)g.SByte();
var b = (ulong)g.SByte();
var s = (ulong)g.SByte();
var c = (ulong)Bits.Choose((SByte)a, (SByte)b, (SByte)s);
ulong m = 0;
for (int j = 0; j < 8; j++)
{
var mask = 1ul << j;
if ((s & mask) == 0)
{
m |= (a & mask);
}
else
{
m |= (b & mask);
}
}
Assert.AreEqual((SByte)c, (SByte)m);
}
}
public void ChooseInt16Test()
{
var g = new Generator("ChooseInt16Test");
for (int i = 0; i < 100; i++)
{
var a = (ulong)g.Int16();
var b = (ulong)g.Int16();
var s = (ulong)g.Int16();
var c = (ulong)Bits.Choose((Int16)a, (Int16)b, (Int16)s);
ulong m = 0;
for (int j = 0; j < 16; j++)
{
var mask = 1ul << j;
if ((s & mask) == 0)
{
m |= (a & mask);
}
else
{
m |= (b & mask);
}
}
Assert.AreEqual((Int16)c, (Int16)m);
}
}
public void ChooseUInt64Test()
{
var g = new Generator("ChooseUInt64Test");
for (int i = 0; i < 100; i++)
{
var a = (ulong)g.UInt64();
var b = (ulong)g.UInt64();
var s = (ulong)g.UInt64();
var c = (ulong)Bits.Choose((UInt64)a, (UInt64)b, (UInt64)s);
ulong m = 0;
for (int j = 0; j < 64; j++)
{
var mask = 1ul << j;
if ((s & mask) == 0)
{
m |= (a & mask);
}
else
{
m |= (b & mask);
}
}
Assert.AreEqual((UInt64)c, (UInt64)m);
}
}
