int main() { /* An finite 32-bits decimal floating point. */ d32 = 1.2345df; /* Initialize d32. */ /* Non-finite 32-bits decimal floating point: infinity and NaN. */ d32 = __builtin_infd32(); /* Positive infd32. */ d32 = -__builtin_infd32(); /* Negative infd32. */ d32 = __builtin_nand32(""); /* An finite 64-bits decimal floating point. */ d64 = 1.2345dd; /* Initialize d64. */ /* Non-finite 64-bits decimal floating point: infinity and NaN. */ d64 = __builtin_infd64(); /* Positive infd64. */ d64 = -__builtin_infd64(); /* Negative infd64. */ d64 = __builtin_nand64(""); /* An finite 128-bits decimal floating point. */ d128 = 1.2345dl; /* Initialize d128. */ /* Non-finite 128-bits decimal floating point: infinity and NaN. */ d128 = __builtin_infd128(); /* Positive infd128. */ d128 = -__builtin_infd128(); /* Negative infd128. */ d128 = __builtin_nand128(""); /* Functions with decimal floating point as parameter and return value. */ d32 = arg0_32 (0.1df, 1.0df, 2.0df, 3.0df, 4.0df, 5.0df); d64 = arg0_64 (0.1dd, 1.0dd, 2.0dd, 3.0dd, 4.0dd, 5.0dd); d128 = arg0_128 (0.1dl, 1.0dl, 2.0dl, 3.0dl, 4.0dl, 5.0dl); ds.int4 = 1; ds.long8 = 2; ds.float4 = 3.1; ds.double8 = 4.2; ds.dec32 = 1.2345df; ds.dec64 = 1.2345dd; ds.dec128 = 1.2345dl; return 0; /* Exit point. */ }
int main() { /* Some possibly non-obvious tests, but most logical operations on NaN return false, including NaN == NaN. */ if (__builtin_nand32("") == __builtin_nand32("")) abort(); if (__builtin_nand64("") == __builtin_nand64("")) abort(); if (__builtin_nand128("") == __builtin_nand128("")) abort(); if (!(__builtin_nand32("") != __builtin_nand32(""))) abort(); if (!(__builtin_nand64("") != __builtin_nand64(""))) abort(); if (!(__builtin_nand128("") != __builtin_nand128(""))) abort(); if (__builtin_nand32("") > __builtin_nand32("")) abort(); if (__builtin_nand64("") >= __builtin_nand64("")) abort(); if (__builtin_nand128("") < __builtin_nand128("")) abort(); if (-__builtin_nand128("") < +__builtin_nand128("")) abort(); /* 0.0/0.0 => NaN, but NaN != NaN. */ if (0.0df/0.0dl == __builtin_nand32("")) abort(); /* 0.0 * INF => NaN. */ if (!__builtin_isnand32 (0.0df * __builtin_infd32())) abort (); if (!__builtin_isnand64 (0.0dd * __builtin_infd64())) abort (); if (!__builtin_isnand128 (0.0dd * __builtin_infd128())) abort (); /* INF - INF => NaN. */ if (!__builtin_isnand32 (__builtin_infd32() - __builtin_infd32())) abort (); if (!__builtin_isnand64 (__builtin_infd64() - __builtin_infd64())) abort (); if (!__builtin_isnand128 (__builtin_infd128() - __builtin_infd128())) abort (); /* INF/INF => NaN. */ if (!__builtin_isnand32 (__builtin_infd32()/__builtin_infd32()) ) abort (); if (!__builtin_isnand64 (__builtin_infd64()/__builtin_infd64()) ) abort (); if (!__builtin_isnand128 (__builtin_infd128()/__builtin_infd128()) ) abort (); /* 0.0/0.0 => NaN, but NaN != NaN. */ if ((0.0dd/0.0df) == (0.0dd/0.0df)) abort(); if (__builtin_nand32("") < __builtin_infd32()) abort(); if (__builtin_nand32("") >= __builtin_infd32()) abort(); /* Fixme: Add sqrtdf(-x.df) test when sqrt is supported. */ if (!__builtin_isnand32(__builtin_nand32(""))) abort(); if (!__builtin_isnand64(__builtin_nand64(""))) abort(); if (!__builtin_isnand128(__builtin_nand128(""))) abort(); if (!__builtin_isnand128(8.0df * __builtin_nand128(""))) abort(); if (!__builtin_isnand32(8.1dl - __builtin_nand32(""))) abort(); if (!__builtin_isnand128(__builtin_nand64("") + __builtin_nand128(""))) abort(); return 0; }
typedef struct { int line; _Decimal128 d; const char *expect; } d128_type; static const d128_type d128[] = { {__LINE__, __DEC128_MIN__, "+0,000,000,000,000,000,000,000,000,000,000,001E-6143" }, {__LINE__, __DEC128_MAX__, "+9,999,999,999,999,999,999,999,999,999,999,999E+6111"}, {__LINE__, -__builtin_nand128 (""), "-0,000,000,000,000,000,000,000,000,000,000,000E-6176"}, {__LINE__, __builtin_infd128 (), "+0,000,000,000,000,000,000,000,000,000,000,000E-6176"}, {__LINE__, __DEC128_MIN__, "+0,000,000,000,000,000,000,000,000,000,000,001E-6143"}, {__LINE__, __DEC128_SUBNORMAL_MIN__, "+0,000,000,000,000,000,000,000,000,000,000,001E-6176"}, {__LINE__, 9E70DL, "+0,000,000,000,000,000,000,000,000,000,000,009E+70"}, {__LINE__, 4E84DL, "+0,000,000,000,000,000,000,000,000,000,000,004E+84"}, {__LINE__, 1234567E84DL, "+0,000,000,000,000,000,000,000,000,001,234,567E+84"}, {__LINE__, 1.00DL, "+0,000,000,000,000,000,000,000,000,000,000,100E-2" },