diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/dfp/nan-2.c')
-rw-r--r-- | gcc/testsuite/c-c++-common/dfp/nan-2.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/dfp/nan-2.c b/gcc/testsuite/c-c++-common/dfp/nan-2.c new file mode 100644 index 000000000..ec9d18e10 --- /dev/null +++ b/gcc/testsuite/c-c++-common/dfp/nan-2.c @@ -0,0 +1,53 @@ +/* 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. Based on nan-1.c with + the consideration of negative zero. */ + +#include "dfp-dbg.h" + +int main() +{ + _Decimal32 d32; + _Decimal64 d64; + _Decimal128 d128; + + /* Verify that division by negative zero produces a negative infinity + result. */ + d32 = 123.45f; + if (d32/-0.0df != -__builtin_infd32()) + FAILURE + if (123.45df/-0.0df != -__builtin_infd32()) + FAILURE + + d64 = 123.45f; + if (d64/-0.0dd != -__builtin_infd64()) + FAILURE + if (123.45dd/-0.0dd != -__builtin_infd64()) + FAILURE + + d128 = 123.45f; + if (d128/-0.0dl != -__builtin_infd64()) + FAILURE + if (123.45dl/-0.0dl != -__builtin_infd128()) + FAILURE + + d32 = 0.0df; + if (!__builtin_isnand32(-(d32/-0.0df))) + FAILURE + if (!__builtin_isnand32(-(0.0df/-0.0df))) + FAILURE + + d64 = 0.0dd; + if (!__builtin_isnand64(-(d64/-0.0dd))) + FAILURE + if (!__builtin_isnand64(-(0.0dd/-0.0dd))) + FAILURE + + d128 = 0.0dl; + if (!__builtin_isnand128(-(d128/-0.0dl))) + FAILURE + if (!__builtin_isnand128(-(0.0dl/-0.0dl))) + FAILURE + + FINISH +} |