u64 UlamTypeInfoPrimitive::GetExtremeOfScalarType(bool wantMax) const
{
AssertScalar();
switch (m_primType) {
default:
FAIL(ILLEGAL_STATE);
case VOID:
FAIL(ILLEGAL_STATE);
case INT:
if (wantMax) return _GetNOnes64(m_bitSize-1);
return ((u64)1)<<(m_bitSize-1);
case BITS: // Treat bits like unsigned even though they're not
case UNSIGNED:
if (wantMax) return _GetNOnes64(m_bitSize);
return (u64) 0;
case BOOL: // Treat bool as ordered even though it's not
if (wantMax) return 1;
return 0;
case UNARY:
if (wantMax) return m_bitSize;
return 0;
}
}
UlamTypePrimitiveUnary::UlamTypePrimitiveUnary(const UlamKeyTypeSignature key, CompilerState & state) : UlamTypePrimitive(key, state)
{
s32 bitsize = getBitSize();
if(bitsize <= 0)
{
m_max = m_min = 0;
}
else if(bitsize <= MAXBITSPERINT)
{
m_wordLengthTotal = calcWordSize(getTotalBitSize());
m_wordLengthItem = calcWordSize(bitsize);
m_max = _GetNOnes32((u32) bitsize);
m_min = 0;
}
else if(bitsize <= MAXBITSPERLONG)
{
m_wordLengthTotal = calcWordSize(getTotalBitSize());
m_wordLengthItem = calcWordSize(bitsize);
m_max = _GetNOnes64((u64) bitsize);
m_min = 0;
}
else
m_state.abortGreaterThanMaxBitsPerLong();
}