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* complex.c; edited rdoc.
* rational.c; ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23752 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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3 changed files with 46 additions and 45 deletions
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@ -1,3 +1,9 @@
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Sat Jun 20 05:08:59 2009 Tadayoshi Funaba <tadf@dotrb.org>
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* complex.c; edited rdoc.
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* rational.c; ditto.
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Sat Jun 20 04:30:35 2009 Tadayoshi Funaba <tadf@dotrb.org>
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* rational.c (nurat_abs); removed.
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22
complex.c
22
complex.c
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@ -814,10 +814,6 @@ nucomp_equal_p(VALUE self, VALUE other)
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return f_equal_p(other, self);
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}
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/*
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* call-seq:
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* cmp.coerce(numeric) => array
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*/
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static VALUE
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nucomp_coerce(VALUE self, VALUE other)
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{
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@ -1315,6 +1311,24 @@ make_patterns(void)
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#define id_gsub_bang rb_intern("gsub!")
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#define f_gsub_bang(x,y,z) rb_funcall(x, id_gsub_bang, 2, y, z)
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/*
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* call-seq:
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* string.to_c => complex
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*
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* Returns a complex which denotes string form.
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*
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* For example:
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*
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* '9'.to_c #=> (9+0i)
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* '-3/2'.to_c #=> ((-3/2)+0i)
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* '-i'.to_c #=> (0-1i)
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* '45i'.to_c #=> (0+45i)
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* '3-4i'.to_c #=> (3-4i)
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* '-4e2-4e-2i'.to_c #=> (-400.0-0.04i)
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* '-0.0-0.0i'.to_c #=> (-0.0-0.0i)
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* '1/2+3/4i'.to_c #=> ((1/2)+(3/4)*i)
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* 'ruby'.to_c #=> (0+0i)
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*/
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static VALUE
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string_to_c_internal(VALUE self)
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{
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63
rational.c
63
rational.c
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@ -1070,26 +1070,6 @@ nurat_equal_p(VALUE self, VALUE other)
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}
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}
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/*
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* call-seq:
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* rat.coerce(numeric) => array
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*
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* If _numeric_ is a +Rational+ object, returns an +Array+ containing _rat_
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* and _numeric_. Otherwise, returns an +Array+ with both _rat_ and _numeric_
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* represented in the most accurate common format. This coercion mechanism is
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* used by Ruby to handle mixed-type numeric operations: it is intended to
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* find a compatible common type between the two operands of the operator.
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*
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* For example:
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*
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* Rational(2).coerce(Rational(3)) #=> [(2), (3)]
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* Rational(5).coerce(7) #=> [(7, 1), (5, 1)]
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* Rational(9, 8).coerce(4) #=> [(4, 1), (9, 8)]
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* Rational(7, 12).coerce(9.9876) #=> [9.9876, 0.5833333333333334]
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* Rational(4).coerce(9/0.0) #=> [Infinity, 4.0]
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* Rational(5, 3).coerce('string') #=> TypeError: String can't be
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* # coerced into Rational
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*/
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static VALUE
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nurat_coerce(VALUE self, VALUE other)
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{
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@ -1360,17 +1340,18 @@ nurat_round_common(int argc, VALUE *argv, VALUE self,
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*
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* For example:
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*
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* Rational(2, 3).floor #=> 0
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* Rational(3).floor #=> 3
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* Rational(300.6).floor #=> 300
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* Rational(98,71).floor #=> 1
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* Rational(-30,2).floor #=> -15
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* Rational(2, 3).floor #=> 0
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* Rational(3).floor #=> 3
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* Rational(300.6).floor #=> 300
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* Rational(98,71).floor #=> 1
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* Rational(-30,2).floor #=> -15
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* Rational(-30,-11).floor #=> 2
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*
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* Rational(-1.125).floor.to_f #=> -2.0
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* Rational(-1.125).floor(1).to_f #=> -1.2
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* Rational(-1.125).floor(2).to_f #=> -1.13
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* Rational(-1.125).floor(-2).to_f #=> -100.0
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* Rational(-1.125).floor(1).to_f #=> -1.2
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* Rational(-1.125).floor.to_f #=> -2.0
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* Rational(-1.125).floor(-1).to_f #=> -10.0
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* Rational(-1.125).floor(-2).to_f #=> -100.0
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*/
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static VALUE
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nurat_floor_n(int argc, VALUE *argv, VALUE self)
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@ -1394,15 +1375,17 @@ nurat_floor_n(int argc, VALUE *argv, VALUE self)
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*
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* For example:
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*
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* Rational(2, 3).ceil #=> 1
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* Rational(3).ceil #=> 3
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* Rational(300.6).ceil #=> 301
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* Rational(98, 71).ceil #=> 2
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* Rational(-30, 2).ceil #=> -15
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* Rational(2, 3).ceil #=> 1
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* Rational(3).ceil #=> 3
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* Rational(300.6).ceil #=> 301
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* Rational(98, 71).ceil #=> 2
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* Rational(-30, 2).ceil #=> -15
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* Rational(-30,-11).ceil #=> 3
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*
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* Rational(-1.125).ceil.to_f #=> -1.0
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* Rational(-1.125).ceil(1).to_f #=> -1.1
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* Rational(-1.125).ceil(2).to_f #=> -1.12
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* Rational(-1.125).ceil(1).to_f #=> -1.1
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* Rational(-1.125).ceil.to_f #=> -1.0
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* Rational(-1.125).ceil(-1).to_f #=> 0.0
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* Rational(-1.125).ceil(-2).to_f #=> 0.0
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*/
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static VALUE
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@ -1778,8 +1761,9 @@ integer_denominator(VALUE self)
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*
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* For example:
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*
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* 0.3.numerator #=> 5404319552844595 # machine dependent
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* lambda{|x| x.numerator.fdiv(x.denominator)}.call(0.3) #=> 0.3
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* n = 0.3.numerator #=> 5404319552844595 # machine dependent
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* d = 0.3.denominator #=> 18014398509481984 # machine dependent
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* n.fdiv(d) #=> 0.3
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*/
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static VALUE
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float_numerator(VALUE self)
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@ -1796,10 +1780,7 @@ float_numerator(VALUE self)
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*
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* Returns the denominator of _flo_ as an +Integer+ object.
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*
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* For example:
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*
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* 0.3.denominator #=> 18014398509481984 # machine dependent
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* lambda{|x| x.numerator.fdiv(x.denominator)}.call(0.3) #=> 0.3
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* See Float#numerator.
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*/
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static VALUE
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float_denominator(VALUE self)
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