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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-31 13:33:18 +0000 |
commit | 32c075e1f01849e161724bbd400ba77244e482cc (patch) | |
tree | 5f083a3f352104f32bb6c902d57fa3f294bd8d4d /sysdeps/i386/ldbl2mpn.c | |
parent | d6220e9ee38c1c9285221b023346201ec5f511b3 (diff) | |
download | glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.gz glibc-32c075e1f01849e161724bbd400ba77244e482cc.tar.xz glibc-32c075e1f01849e161724bbd400ba77244e482cc.zip |
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Diffstat (limited to 'sysdeps/i386/ldbl2mpn.c')
-rw-r--r-- | sysdeps/i386/ldbl2mpn.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sysdeps/i386/ldbl2mpn.c b/sysdeps/i386/ldbl2mpn.c index bf4e4ff43f..01be777270 100644 --- a/sysdeps/i386/ldbl2mpn.c +++ b/sysdeps/i386/ldbl2mpn.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997, 2000, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -19,7 +19,7 @@ #include "gmp.h" #include "gmp-impl.h" #include "longlong.h" -#include "ieee754.h" +#include <ieee754.h> #include <float.h> #include <stdlib.h> @@ -46,7 +46,7 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, #elif BITS_PER_MP_LIMB == 64 /* Hopefully the compiler will combine the two bitfield extracts and this composition into just the original quadword extract. */ - res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1; + res_ptr[0] = ((mp_limb_t) u.ieee.mantissa0 << 32) | u.ieee.mantissa1; #define N 1 #else #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" @@ -109,6 +109,13 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, } } } + else if (u.ieee.exponent < 0x7fff +#if N == 2 + && res_ptr[0] == 0 +#endif + && res_ptr[N - 1] == 0) + /* Pseudo zero. */ + *expt = 0; return N; } |