/// <summary>
/// Reverses the code, taking account float/double NaN comparisons
/// </summary>
private static AstCode ReverseCode(AstCode code, XTypeReference type)
{
bool isFlt = type.IsDouble() || type.IsFloat();
if (!isFlt)
{
return(code.Reverse());
}
switch (code)
{
case AstCode.Ceq:
return(AstCode.Cne);
case AstCode.Cne:
return(AstCode.Ceq);
case AstCode.Cle:
return(AstCode.Cgt_Un);
case AstCode.Cle_Un:
return(AstCode.Cgt);
case AstCode.Clt:
return(AstCode.Cge_Un);
case AstCode.Clt_Un:
return(AstCode.Cge);
case AstCode.Cgt:
return(AstCode.Cle_Un);
case AstCode.Cgt_Un:
return(AstCode.Cle);
case AstCode.Cge:
return(AstCode.Clt_Un);
case AstCode.Cge_Un:
return(AstCode.Clt);
default:
throw new ArgumentOutOfRangeException("code", code.ToString());
}
}
/// <summary>
/// Reverses the code, taking account float/double NaN comparisons
/// </summary>
private static AstCode ReverseCode(AstCode code, XTypeReference type)
{
bool isFlt = type.IsDouble() || type.IsFloat();
if (!isFlt)
return code.Reverse();
switch (code)
{
case AstCode.Ceq:
return AstCode.Cne;
case AstCode.Cne:
return AstCode.Ceq;
case AstCode.Cle:
return AstCode.Cgt_Un;
case AstCode.Cle_Un:
return AstCode.Cgt;
case AstCode.Clt:
return AstCode.Cge_Un;
case AstCode.Clt_Un:
return AstCode.Cge;
case AstCode.Cgt:
return AstCode.Cle_Un;
case AstCode.Cgt_Un:
return AstCode.Cle;
case AstCode.Cge:
return AstCode.Clt_Un;
case AstCode.Cge_Un:
return AstCode.Clt;
default:
throw new ArgumentOutOfRangeException("code", code.ToString());
}
}
