diff options
| -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 |