llvm-for-llvmta/tools/clang/test/SemaCXX/complex-conversion.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T> void take(T);
void func(float Real, _Complex float Complex) {
Real += Complex; // expected-error {{assigning to 'float' from incompatible type '_Complex float'}}
Real += (float)Complex;
Real = Complex; // expected-error {{implicit conversion from '_Complex float' to 'float' is not permitted in C++}}
Real = (float)Complex;
take<float>(Complex); // expected-error {{implicit conversion from '_Complex float' to 'float' is not permitted in C++}}
take<double>(1.0i); // expected-error {{implicit conversion from '_Complex double' to 'double' is not permitted in C++}}
take<_Complex float>(Complex);
// Conversion to bool doesn't actually discard the imaginary part.
take<bool>(Complex);
}