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* bignum.c: Add static assertions.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-07-15 04:50:49 +00:00
parent b9d2960337
commit 1a42f3683f
2 changed files with 10 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Mon Jul 15 13:46:26 2013 Tanaka Akira <akr@fsij.org>
* bignum.c: Add static assertions.
Mon Jul 15 13:36:02 2013 Masaki Matsushita <glass.saga@gmail.com>
* hash.c (rb_hash_each_pair): performance improvement by using

6
bignum.c
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@ -45,6 +45,12 @@ static VALUE big_three = Qnil;
#endif
STATIC_ASSERT(sizeof_bdigit_dbl, sizeof(BDIGIT_DBL) == SIZEOF_BDIGIT_DBL);
STATIC_ASSERT(sizeof_bdigit_dbl_signed, sizeof(BDIGIT_DBL_SIGNED) == SIZEOF_BDIGIT_DBL);
STATIC_ASSERT(sizeof_bdigit, SIZEOF_BDIGITS <= sizeof(BDIGIT));
STATIC_ASSERT(sizeof_bdigit_and_dbl, SIZEOF_BDIGITS*2 <= SIZEOF_BDIGIT_DBL);
STATIC_ASSERT(bdigit_signedness, 0 < (BDIGIT)-1);
STATIC_ASSERT(bdigit_dbl_signedness, 0 < (BDIGIT_DBL)-1);
STATIC_ASSERT(bdigit_dbl_signed_signedness, 0 > (BDIGIT_DBL_SIGNED)-1);
STATIC_ASSERT(rbignum_embed_len_max, RBIGNUM_EMBED_LEN_MAX <= (RBIGNUM_EMBED_LEN_MASK >> RBIGNUM_EMBED_LEN_SHIFT));
#ifdef WORDS_BIGENDIAN