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
|
/* { dg-skip-if "" { ! "powerpc*-*-linux*" } { "*" } { "" } } */
/* Test decimal float conversions to and from IBM 128-bit long double.
Checks are skipped at runtime if long double is not 128 bits.
Don't force 128-bit long doubles because runtime support depends
on glibc. */
#include "convert.h"
volatile _Decimal32 sd;
volatile _Decimal64 dd;
volatile _Decimal128 td;
volatile float sf;
volatile double df;
volatile long double tf;
/* A value slightly less than DEC32_MAX can be converted in both directions. */
CONVERT_VALID (101, sd, tf, 9.999998e96df, 9.999998e96L, 1.e+81L)
CONVERT_VALID (102, tf, sd, 9.999998e96L, 9.999998e96df, 0.df)
/* A value slightly less than DBL_MAX can be converted in both directions. */
CONVERT_VALID (201, tf, dd, 1.79768e+308l, 1.79768e+308dd, 0.dd)
CONVERT_VALID (202, dd, tf, 1.79768e+308dd, 1.79768e+308l, 2.e292l)
CONVERT_VALID (203, tf, td, 1.79768e+308l, 1.79768e+308dl, 1.e292dl)
CONVERT_VALID (204, td, tf, 1.79768e+308dl, 1.79768e+308l, 2.e292l)
/* Check values that are too large for the result type. */
CONVERT_TO_PINF (301, dd, tf, 1.8e+308dd, l)
CONVERT_TO_PINF (302, dd, tf, 9.9e+384dd, l)
CONVERT_TO_PINF (303, td, tf, 1.8e+308dl, l)
CONVERT_TO_PINF (304, td, tf, 9.9e+384dl, l)
CONVERT_TO_PINF (311, tf, sd, 1.0e+97L, d32)
CONVERT_TO_PINF (312, tf, sd, 1.6e+308L, d32)
int
main ()
{
if (sizeof (long double) != 16)
return 0;
convert_101 ();
convert_102 ();
convert_201 ();
convert_202 ();
convert_203 ();
convert_204 ();
convert_301 ();
convert_302 ();
convert_303 ();
convert_304 ();
convert_311 ();
convert_312 ();
FINISH
}
|
