Sha256: 3e235231127c3e10498b53a9a21cfe102f5c50b2a12f641e6bf282e99ea978b0
Contents?: true
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Versions: 12
Compression:
Stored size: 1.96 KB
Contents
o:$YARD::CodeObjects::MethodObject:
@name:[]:@docstringIC:YARD::Docstring"Bit Reference---Returns the <em>n</em>th bit in the binary
representation of <i>fix</i>, where <i>fix</i>[0] is the least
significant bit.
a = 0b11001100101010
30.downto(0) do |n| print a[n] end
<em>produces:</em>
0000000000000000011001100101010
: @objectu:YARD::StubProxyFixnum#[]:
@summary0: @all"%Bit Reference---Returns the <em>n</em>th bit in the binary
representation of <i>fix</i>, where <i>fix</i>[0] is the least
significant bit.
a = 0b11001100101010
30.downto(0) do |n| print a[n] end
<em>produces:</em>
0000000000000000011001100101010
@overload [](n)
@return [0, 1]:@ref_tags[ :
@tags[o: YARD::Tags::OverloadTag
;
u; Fixnum#[];;;IC; "
;
u; Fixnum#[]; 0;
"@return [0, 1];[ ;[o:YARD::Tags::Tag
;
0;0: @types["0"1:
@text" :@tag_name" return;0:@parameters[[:n0;0:@signature"
[](n);"
overload: @current_file_has_commentsF: @scope:
instance;[ :@docstring_extra0: @files[["numeric.c0:@namespaceu; Fixnum:
@path"Fixnum#[];[ :@visibility: public: @source"r/*
* call-seq:
* fix[n] => 0, 1
*
* Bit Reference---Returns the <em>n</em>th bit in the binary
* representation of <i>fix</i>, where <i>fix</i>[0] is the least
* significant bit.
*
* a = 0b11001100101010
* 30.downto(0) do |n| print a[n] end
*
* <em>produces:</em>
*
* 0000000000000000011001100101010
*/
static VALUE
fix_aref(fix, idx)
VALUE fix, idx;
{
long val = FIX2LONG(fix);
long i;
if (!FIXNUM_P(idx = fix_coerce(idx))) {
idx = rb_big_norm(idx);
if (!FIXNUM_P(idx)) {
if (!RBIGNUM(idx)->sign || val >= 0)
return INT2FIX(0);
return INT2FIX(1);
}
}
i = FIX2LONG(idx);
if (i < 0) return INT2FIX(0);
if (sizeof(VALUE)*CHAR_BIT-1 < i) {
if (val < 0) return INT2FIX(1);
return INT2FIX(0);
}
if (val & (1L<<i))
return INT2FIX(1);
return INT2FIX(0);
}:@source_type:c
Version data entries
12 entries across 12 versions & 2 rubygems