1 /* { dg-options "-O0" } */
3 /* Decimal float values can have significant trailing zeroes. This is
4 true for zero values as well. Check that various representations of
5 zero are handled correctly when specified as literal constants. */
23 unsigned long long i[2];
28 compare32 (_Decimal32 d, unsigned int i)
37 compare64 (_Decimal64 d, unsigned long long i)
46 compare128 (_Decimal64 d, unsigned long long i, unsigned long long j)
52 return (u.i[0] == i && u.i[1] == j);
54 return (u.i[1] == i && u.i[0] == j);
60 if (! compare32 (0.DF, 0x22500000U))
62 if (! compare32 (-0.DF, 0xa2500000U))
64 if (! compare32 (0.E-4DF, 0x22100000U))
66 if (! compare32 (0.E-7DF, 0x21e00000U))
68 if (! compare32 (0.E+3DF, 0x22800000U))
71 if (! compare64 (0.DD, 0x2238000000000000ULL))
73 if (! compare64 (-0.DD, 0xa238000000000000ULL))
75 if (! compare64 (0.E-6DD, 0x2220000000000000ULL))
77 if (! compare64 (0.E-7DD, 0x221c000000000000ULL))
79 if (! compare64 (0.E+2DD, 0x2240000000000000ULL))
82 if (! compare128 (0.DL, 0x2208000000000000ULL, 0x0000000000000000ULL))
84 if (! compare128 (-0.DL, 0xa208000000000000ULL, 0x0000000000000000ULL))
86 if (! compare128 (0.E-3DL, 0x2207400000000000ULL, 0x0000000000000000ULL))
88 if (! compare128 (0.E-8DL, 0x2206000000000000ULL, 0x0000000000000000ULL))
90 if (! compare128 (0.E+2DL, 0x2208800000000000ULL, 0x0000000000000000ULL))
97 if (! compare32 (0.DF, 0x32800000U))
99 if (! compare32 (-0.DF, 0xb2800000U))
101 if (! compare32 (0.E-4DF, 0x30800000U))
103 if (! compare32 (0.E-7DF, 0x2f000000U))
105 if (! compare32 (0.E+3DF, 0x34000000U))
108 if (! compare64 (0.DD, 0x31c0000000000000ULL))
110 if (! compare64 (-0.DD, 0xb1c0000000000000ULL))
112 if (! compare64 (0.E-6DD, 0x3100000000000000ULL))
114 if (! compare64 (0.E-7DD, 0x30e0000000000000ULL))
116 if (! compare64 (0.E+2DD, 0x3200000000000000ULL))
119 if (! compare128 (0.DL, 0x3040000000000000ULL, 0x0000000000000000ULL))
121 if (! compare128 (-0.DL, 0xb040000000000000ULL, 0x0000000000000000ULL))
123 if (! compare128 (0.E-3DL, 0x303a000000000000ULL, 0x0000000000000000ULL))
125 if (! compare128 (0.E-8DL, 0x3030000000000000ULL, 0x0000000000000000ULL))
127 if (! compare128 (0.E+2DL, 0x3044000000000000ULL, 0x0000000000000000ULL))
136 /* These sizes are probably always true for targets that support decimal
137 float types, but check anyway. Abort so we can fix the test. */
138 if ((sizeof (_Decimal64) != sizeof (long long))
139 || (sizeof (_Decimal128) != 2 * sizeof (long long))
140 || (sizeof (_Decimal32) != sizeof (_Decimal32)))
145 if (u32.i == 0x22500001)
147 big_endian = (u32.b[0] == 0x22);
150 else if (u32.i == 0x32800001)
152 big_endian = (u32.b[0] == 0x32);
156 FAILURE /* unknown format; test problem */