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| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-01 01:00:15 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-01 01:00:15 +0000 |
| commit | a0a0b61b68e77f47faa80933682127fb6c6e290f (patch) | |
| tree | 7b337de067dc21573d131508899620520fd021d7 /bignum.c | |
| parent | 7bb549d6b597b581a2f95496928612f2059e2df2 (diff) | |
[DOC]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42751 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
| -rw-r--r-- | bignum.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -6545,6 +6545,8 @@ rb_big_size(VALUE big) * (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**10000-1).bit_length #=> 10001 * (-2**10000).bit_length #=> 10000 * (-2**10000+1).bit_length #=> 10000 @@ -6615,6 +6617,8 @@ rb_big_bit_length(VALUE big) * (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 |