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authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-09-01 01:31:16 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-09-01 01:31:16 +0000
commit77f245e62ee7e0bbfd1eb868b759dabe169a29bf (patch)
tree8600e34c6fb7334118d894cffaaba5503eece345 /bignum.c
parenta0a0b61b68e77f47faa80933682127fb6c6e290f (diff)
downloadruby-77f245e62ee7e0bbfd1eb868b759dabe169a29bf.tar.gz
* numeric.c (rb_fix_bit_length): Moved from bignum.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42752 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r--bignum.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/bignum.c b/bignum.c
index 6c65cae40e..8c1bb607b0 100644
--- a/bignum.c
+++ b/bignum.c
@@ -6608,45 +6608,6 @@ rb_big_bit_length(VALUE big)
/*
* call-seq:
- * int.bit_length -> integer
- *
- * Returns the number of bits of the value of <i>int</i>.
- *
- * "the number of bits" means that
- * the bit position of the highest bit which is different to the sign bit.
- * (The bit position of the bit 2**n is n+1.)
- * If there is no such bit (zero or minus one), zero is returned.
- *
- * I.e. This method returns ceil(log2(int < 0 ? -int : int+1)).
- *
- * (-2**12-1).bit_length #=> 13
- * (-2**12).bit_length #=> 12
- * (-2**12+1).bit_length #=> 12
- * -0x101.bit_length #=> 9
- * -0x100.bit_length #=> 8
- * -0xff.bit_length #=> 8
- * -2.bit_length #=> 1
- * -1.bit_length #=> 0
- * 0.bit_length #=> 0
- * 1.bit_length #=> 1
- * 0xff.bit_length #=> 8
- * 0x100.bit_length #=> 9
- * (2**12-1).bit_length #=> 12
- * (2**12).bit_length #=> 13
- * (2**12+1).bit_length #=> 13
- */
-
-static VALUE
-rb_fix_bit_length(VALUE fix)
-{
- long v = FIX2LONG(fix);
- if (v < 0)
- v = ~v;
- return LONG2FIX(bit_length(v));
-}
-
-/*
- * call-seq:
* big.odd? -> true or false
*
* Returns <code>true</code> if <i>big</i> is an odd number.
@@ -6740,7 +6701,5 @@ Init_Bignum(void)
rb_define_method(rb_cBignum, "odd?", rb_big_odd_p, 0);
rb_define_method(rb_cBignum, "even?", rb_big_even_p, 0);
- rb_define_method(rb_cFixnum, "bit_length", rb_fix_bit_length, 0);
-
power_cache_init();
}