56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// RUN: %clang_cc1 %s -fsyntax-only -ffixed-point -verify=expected,both -fexperimental-new-constant-interpreter
|
|
// RUN: %clang_cc1 %s -fsyntax-only -ffixed-point -verify=ref,both
|
|
|
|
static_assert((bool)1.0k);
|
|
static_assert(!((bool)0.0k));
|
|
static_assert((bool)0.0k); // both-error {{static assertion failed}}
|
|
|
|
static_assert(1.0k == 1.0k);
|
|
static_assert(1.0k == 1);
|
|
static_assert(1.0k != 1.0k); // both-error {{failed due to requirement '1.0k != 1.0k'}}
|
|
static_assert(1.0k != 1); // both-error {{failed due to requirement '1.0k != 1'}}
|
|
static_assert(-12.0k == -(-(-12.0k)));
|
|
|
|
/// Zero-init.
|
|
constexpr _Accum A{};
|
|
static_assert(A == 0.0k);
|
|
static_assert(A == 0);
|
|
|
|
namespace IntToFixedPointCast {
|
|
constexpr _Accum B = 13;
|
|
static_assert(B == 13.0k);
|
|
static_assert(B == 13);
|
|
|
|
constexpr _Fract sf = -1;
|
|
static_assert(sf == -1.0k);
|
|
static_assert(sf == -1);
|
|
}
|
|
|
|
namespace FloatToFixedPointCast {
|
|
constexpr _Fract sf = 1.0; // both-error {{must be initialized by a constant expression}} \
|
|
// both-note {{outside the range of representable values of type 'const _Fract'}}
|
|
|
|
constexpr _Fract sf2 = 0.5;
|
|
static_assert(sf2 == 0.5);
|
|
constexpr float sf2f = sf2;
|
|
static_assert(sf2f == 0.5);
|
|
}
|
|
|
|
namespace BinOps {
|
|
constexpr _Accum A = 13;
|
|
static_assert(A + 1 == 14.0k);
|
|
static_assert(1 + A == 14.0k);
|
|
static_assert((A + A) == 26);
|
|
|
|
/// FIXME: Conversion between fixed point semantics.
|
|
static_assert(A + 100000 == 14.0k); // expected-error {{static assertion failed}} \
|
|
// ref-error {{is not an integral constant expression}} \
|
|
// ref-note {{is outside the range of representable values}}
|
|
}
|
|
|
|
namespace FixedPointCasts {
|
|
constexpr _Fract B = 0.3;
|
|
constexpr _Accum A = B;
|
|
constexpr _Fract C = A;
|
|
}
|