URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [dfp/] [nan-1.c] - Rev 149
Go to most recent revision | Compare with Previous | Blame | View Log
/* { dg-options "-std=gnu99" } */ /* N1150 4: Characteristics of decimal floating types (not explicit) C99 5.2.4.2.2: Characteristics of floating types. A few simple checks on arithmetic operations. */ extern void abort (void); 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; }
Go to most recent revision | Compare with Previous | Blame | View Log