diff options
| author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-03-27 21:45:10 +0200 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-03-27 21:45:10 +0200 |
| commit | ca97d03abffc90c248d14b7f01f843de52b0d5d3 (patch) | |
| tree | f86f8b716b0e08fcfecc3ec1853cc1e99416398b /debian/patches/float-endian-detection.patch | |
| parent | db6f1f397f45ccd3c11d16352ed46a9c1eae3442 (diff) | |
new upstream release
Diffstat (limited to 'debian/patches/float-endian-detection.patch')
| -rw-r--r-- | debian/patches/float-endian-detection.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/debian/patches/float-endian-detection.patch b/debian/patches/float-endian-detection.patch new file mode 100644 index 0000000..d094516 --- /dev/null +++ b/debian/patches/float-endian-detection.patch @@ -0,0 +1,63 @@ +Description: Fix detection of floating point endianness + See https://lists.gnu.org/archive/html/bug-gnulib/2013-12/msg00104.html +Author: Alan Modra <amodra@gmail.com> +Author: Colin Watson <cjwatson@ubuntu.com> +Forwarded: no +Last-Update: 2013-12-18 + +--- a/tests/test-isnanl.h ++++ b/tests/test-isnanl.h +@@ -24,6 +24,12 @@ + #include "nan.h" + #include "macros.h" + ++#ifdef __FLOAT_WORD_ORDER__ ++# define FLOAT_BIG_ENDIAN (__FLOAT_WORD_ORDER__ != __ORDER_LITTLE_ENDIAN__) ++#else ++# define FLOAT_BIG_ENDIAN (LDBL_EXPBIT0_WORD < NWORDS / 2) ++#endif ++ + int + main () + { +@@ -65,10 +71,10 @@ + # if LDBL_EXPBIT0_BIT > 0 + m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); + # else +- m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] ++ m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] + ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); + # endif +- m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] ++ m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] + |= (unsigned int) 1 << LDBL_EXPBIT0_BIT; + ASSERT (isnanl (m.value)); + } +--- a/tests/test-signbit.c ++++ b/tests/test-signbit.c +@@ -36,6 +36,12 @@ + double zerod = 0.0; + long double zerol = 0.0L; + ++#ifdef __FLOAT_WORD_ORDER__ ++# define FLOAT_BIG_ENDIAN (__FLOAT_WORD_ORDER__ != __ORDER_LITTLE_ENDIAN__) ++#else ++# define FLOAT_BIG_ENDIAN (LDBL_EXPBIT0_WORD < NWORDS / 2) ++#endif ++ + static void + test_signbitf () + { +@@ -166,10 +172,10 @@ + # if LDBL_EXPBIT0_BIT > 0 + m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); + # else +- m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] ++ m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] + ^= (unsigned int) 1 << (sizeof (unsigned int) * CHAR_BIT - 1); + # endif +- m.word[LDBL_EXPBIT0_WORD + (LDBL_EXPBIT0_WORD < NWORDS / 2 ? 1 : - 1)] ++ m.word[LDBL_EXPBIT0_WORD + (FLOAT_BIG_ENDIAN ? 1 : - 1)] + |= (unsigned int) 1 << LDBL_EXPBIT0_BIT; + (void) signbit (m.value); + #undef NWORDS |