diff options
Diffstat (limited to 'integer.rb')
-rw-r--r-- | integer.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/integer.rb b/integer.rb index b9cde8f390..d18494f42f 100644 --- a/integer.rb +++ b/integer.rb @@ -1,4 +1,29 @@ class Integer + # call-seq: + # -int -> integer + # + # Returns +int+, negated. + def -@ + Primitive.attr! 'inline' + Primitive.cexpr! 'rb_int_uminus(self)' + end + + # call-seq: + # ~int -> integer + # + # One's complement: returns a number where each bit is flipped. + # + # Inverts the bits in an Integer. As integers are conceptually of + # infinite length, the result acts as if it had an infinite number of + # one bits to the left. In hex representations, this is displayed + # as two periods to the left of the digits. + # + # sprintf("%X", ~0x1122334455) #=> "..FEEDDCCBBAA" + def ~ + Primitive.attr! 'inline' + Primitive.cexpr! 'rb_int_comp(self)' + end + def abs Primitive.attr! 'inline' Primitive.cexpr! 'rb_int_abs(self)' |