// Expect 3 errors

const half2x2 testMatrix2x2 = half2x2(1, 2, 3, 4);
bool    testScalar    = bool (testMatrix2x2);
bool2   testVec2      = bool2(testMatrix2x2);
bool3   testVec3      = bool3(testMatrix2x2);
bool4   testVec4      = bool4(testMatrix2x2);  // not an error

/*%%*
'half2x2' is not a valid parameter to 'bool' constructor
'half2x2' is not a valid parameter to 'bool2' constructor
'half2x2' is not a valid parameter to 'bool3' constructor
*%%*/