diff options
Diffstat (limited to 'tests/test-isnand.h')
| -rw-r--r-- | tests/test-isnand.h | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/tests/test-isnand.h b/tests/test-isnand.h index ef758608..5369e336 100644 --- a/tests/test-isnand.h +++ b/tests/test-isnand.h @@ -1,5 +1,5 @@ /* Test of isnand() substitute. - Copyright (C) 2007-2022 Free Software Foundation, Inc. + Copyright (C) 2007-2024 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,6 +21,7 @@ #include "minus-zero.h" #include "infinity.h" #include "nan.h" +#include "snan.h" #include "macros.h" int @@ -40,24 +41,9 @@ main () ASSERT (!isnand (- Infinityd ())); /* Quiet NaN. */ ASSERT (isnand (NaNd ())); -#if defined DBL_EXPBIT0_WORD && defined DBL_EXPBIT0_BIT +#if HAVE_SNAND /* Signalling NaN. */ - { - #define NWORDS \ - ((sizeof (double) + sizeof (unsigned int) - 1) / sizeof (unsigned int)) - typedef union { double value; unsigned int word[NWORDS]; } memory_double; - memory_double m; - m.value = NaNd (); -# if DBL_EXPBIT0_BIT > 0 - m.word[DBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (DBL_EXPBIT0_BIT - 1); -# else - m.word[DBL_EXPBIT0_WORD + (DBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] - ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); -# endif - m.word[DBL_EXPBIT0_WORD + (DBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] - |= (unsigned int) 1 << DBL_EXPBIT0_BIT; - ASSERT (isnand (m.value)); - } + ASSERT (isnand (SNaNd ())); #endif return 0; } |