/// <inheritdoc cref="MulDiv(long, long, long, out long)"/>
public static long MulDiv(long a, long mulBy, long divBy)
{
long mH, remainder;
ulong mL = Math128.Multiply(a, mulBy, out mH);
return(Math128.Divide(mH, mL, divBy, out remainder, false));
}
/// <inheritdoc cref="MulDiv(ulong, ulong, ulong, out ulong)"/>
public static ulong MulDiv(ulong a, ulong mulBy, ulong divBy)
{
ulong mH, remainder;
ulong mL = Math128.Multiply(a, mulBy, out mH);
return(Math128.Divide(mH, mL, divBy, out remainder));
}
/// <inheritdoc cref="MulShift(int,int,int)"/>
public static ulong MulShift(ulong a, ulong mulBy, int shiftBy)
{
ulong rH;
ulong rL = Math128.Multiply(a, mulBy, out rH);
Math128.ShiftRight(rH, ref rL, shiftBy);
return(rL);
}
