From 747894a32d6ea2b123b2abc292fd903c53a7aa36 Mon Sep 17 00:00:00 2001 From: akr Date: Sat, 8 Jun 2013 12:05:57 +0000 Subject: * bignum.c (rb_absint_singlebit_p): New function. * internal.h (rb_absint_singlebit_p): Declared. * time.c (v2w_bignum): Use rb_absint_singlebit_p instead of rb_big_abs_find_minbit. (rb_big_abs_find_minbit): Removed. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41177 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- time.c | 22 +--------------------- 1 file changed, 1 insertion(+), 21 deletions(-) (limited to 'time.c') diff --git a/time.c b/time.c index 68c5384067..86dfc9b1cc 100644 --- a/time.c +++ b/time.c @@ -313,25 +313,6 @@ rb_big_abs_find_maxbit(VALUE big) return res; } -static VALUE -rb_big_abs_find_minbit(VALUE big) -{ - BDIGIT *ds = RBIGNUM_DIGITS(big); - BDIGIT d; - long len = RBIGNUM_LEN(big); - long i; - VALUE res; - for (i = 0; i < len; i++) - if (ds[i]) - break; - if (i == len) - return Qnil; - res = mul(LONG2NUM(i), INT2FIX(SIZEOF_BDIGITS * CHAR_BIT)); - d = ds[i]; - res = add(res, LONG2FIX(ffs(d)-1)); - return res; -} - static wideval_t v2w_bignum(VALUE v) { @@ -346,8 +327,7 @@ v2w_bignum(VALUE v) return WINT2FIXWV(0); if (lt(maxbit, INT2FIX(sizeof(wideint_t) * CHAR_BIT - 2)) || (eq(maxbit, INT2FIX(sizeof(wideint_t) * CHAR_BIT - 2)) && - RBIGNUM_NEGATIVE_P(v) && - eq(rb_big_abs_find_minbit(v), INT2FIX(sizeof(wideint_t) * CHAR_BIT - 2)))) { + RBIGNUM_NEGATIVE_P(v) && rb_absint_singlebit_p(v))) { wideint_t i; i = 0; while (len) -- cgit v1.2.3