blob: 949efb9169fe7a747eda6d2596e7e2472b1427b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright (C) 2009-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do compile }
// { dg-require-effective-target dfp }
// ISO/IEC TR 24733 doesn't say explicitly that the conversion from a
// decimal floating-point type to a generic float type is prohibited but
// it implies that in section 4.3 when it says "In C, objects of decimal
// floating-oint type can be converted to generic floating-point type by
// means of an explicit cast. In C++ this is not possible." Check that
// attempt to do a cast are flagged as errors.
#include <decimal/decimal>
using namespace std::decimal;
float f;
double d;
long double ld;
decimal32 d32;
decimal64 d64;
decimal128 d128;
void
foo (void)
{
f = d32; // { dg-error "error" }
f = d64; // { dg-error "error" }
f = d128; // { dg-error "error" }
d = d32; // { dg-error "error" }
d = d64; // { dg-error "error" }
d = d128; // { dg-error "error" }
ld = d32; // { dg-error "error" }
ld = d64; // { dg-error "error" }
ld = d128; // { dg-error "error" }
f = (float)d32; // { dg-error "error" }
f = (float)d64; // { dg-error "error" }
f = (float)d128; // { dg-error "error" }
d = (double)d32; // { dg-error "error" }
d = (double)d64; // { dg-error "error" }
d = (double)d128; // { dg-error "error" }
ld = (long double)d32; // { dg-error "error" }
ld = (long double)d64; // { dg-error "error" }
ld = (long double)d128; // { dg-error "error" }
}
|
