зеркало из https://github.com/github/ruby.git
* numeric.c (num_div): don't use num_floor which is actually
flo_floor. * numeric.c (num_modulo): don't call '%'. * numeric.c (num_divmod): use num_modulo. * numeric.c: defined '%'. * rational.c (nurat_idiv,nurat_mod,nurat_divmod,nurat_rem): removed. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tadf
Родитель
a05fd849a1
Коммит
d82ed7e2c6
13
ChangeLog
13
ChangeLog
|
|
@ -1,3 +1,16 @@
|
|||
Sat Jun 20 21:11:43 2009 Tadayoshi Funaba <tadf@dotrb.org>
|
||||
|
||||
* numeric.c (num_div): don't use num_floor which is actually
|
||||
flo_floor.
|
||||
|
||||
* numeric.c (num_modulo): don't call '%'.
|
||||
|
||||
* numeric.c (num_divmod): use num_modulo.
|
||||
|
||||
* numeric.c: defined '%'.
|
||||
|
||||
* rational.c (nurat_idiv,nurat_mod,nurat_divmod,nurat_rem): removed.
|
||||
|
||||
Sat Jun 20 20:28:44 2009 Tadayoshi Funaba <tadf@dotrb.org>
|
||||
|
||||
* complex.c: edited rdoc.
|
||||
|
|
|
|||
93
numeric.c
93
numeric.c
|
|
@ -282,8 +282,6 @@ num_fdiv(VALUE x, VALUE y)
|
|||
}
|
||||
|
||||
|
||||
static VALUE num_floor(VALUE num);
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.div(numeric) => integer
|
||||
|
|
@ -302,10 +300,54 @@ static VALUE
|
|||
num_div(VALUE x, VALUE y)
|
||||
{
|
||||
if (rb_equal(INT2FIX(0), y)) rb_num_zerodiv();
|
||||
return num_floor(rb_funcall(x, '/', 1, y));
|
||||
return rb_funcall(rb_funcall(x, '/', 1, y), rb_intern("floor"), 0);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.modulo(numeric) => real
|
||||
*
|
||||
* x.modulo(y) means x-y*(x/y).floor
|
||||
*
|
||||
* Equivalent to
|
||||
* <i>num</i>.<code>divmod(</code><i>aNumeric</i><code>)[1]</code>.
|
||||
*
|
||||
* See <code>Numeric#divmod</code>.
|
||||
*/
|
||||
|
||||
static VALUE
|
||||
num_modulo(VALUE x, VALUE y)
|
||||
{
|
||||
return rb_funcall(x, '-', 1,
|
||||
rb_funcall(y, '*', 1,
|
||||
rb_funcall(x, rb_intern("div"), 1, y)));
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.remainder(numeric) => real
|
||||
*
|
||||
* x.remainder(y) means x-y*(x/y).truncate
|
||||
*
|
||||
* See <code>Numeric#divmod</code>.
|
||||
*/
|
||||
|
||||
static VALUE
|
||||
num_remainder(VALUE x, VALUE y)
|
||||
{
|
||||
VALUE z = rb_funcall(x, '%', 1, y);
|
||||
|
||||
if ((!rb_equal(z, INT2FIX(0))) &&
|
||||
((RTEST(rb_funcall(x, '<', 1, INT2FIX(0))) &&
|
||||
RTEST(rb_funcall(y, '>', 1, INT2FIX(0)))) ||
|
||||
(RTEST(rb_funcall(x, '>', 1, INT2FIX(0))) &&
|
||||
RTEST(rb_funcall(y, '<', 1, INT2FIX(0)))))) {
|
||||
return rb_funcall(z, '-', 1, y);
|
||||
}
|
||||
return z;
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.divmod(numeric) => array
|
||||
|
|
@ -350,49 +392,7 @@ num_div(VALUE x, VALUE y)
|
|||
static VALUE
|
||||
num_divmod(VALUE x, VALUE y)
|
||||
{
|
||||
return rb_assoc_new(num_div(x, y), rb_funcall(x, '%', 1, y));
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.modulo(numeric) => real
|
||||
*
|
||||
* x.modulo(y) means x-y*(x/y).floor
|
||||
*
|
||||
* Equivalent to
|
||||
* <i>num</i>.<code>divmod(</code><i>aNumeric</i><code>)[1]</code>.
|
||||
*
|
||||
* See <code>Numeric#divmod</code>.
|
||||
*/
|
||||
|
||||
static VALUE
|
||||
num_modulo(VALUE x, VALUE y)
|
||||
{
|
||||
return rb_funcall(x, '%', 1, y);
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* num.remainder(numeric) => real
|
||||
*
|
||||
* x.remainder(y) means x-y*(x/y).truncate
|
||||
*
|
||||
* See <code>Numeric#divmod</code>.
|
||||
*/
|
||||
|
||||
static VALUE
|
||||
num_remainder(VALUE x, VALUE y)
|
||||
{
|
||||
VALUE z = rb_funcall(x, '%', 1, y);
|
||||
|
||||
if ((!rb_equal(z, INT2FIX(0))) &&
|
||||
((RTEST(rb_funcall(x, '<', 1, INT2FIX(0))) &&
|
||||
RTEST(rb_funcall(y, '>', 1, INT2FIX(0)))) ||
|
||||
(RTEST(rb_funcall(x, '>', 1, INT2FIX(0))) &&
|
||||
RTEST(rb_funcall(y, '<', 1, INT2FIX(0)))))) {
|
||||
return rb_funcall(z, '-', 1, y);
|
||||
}
|
||||
return z;
|
||||
return rb_assoc_new(num_div(x, y), num_modulo(x, y));
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -3153,6 +3153,7 @@ Init_Numeric(void)
|
|||
rb_define_method(rb_cNumeric, "fdiv", num_fdiv, 1);
|
||||
rb_define_method(rb_cNumeric, "div", num_div, 1);
|
||||
rb_define_method(rb_cNumeric, "divmod", num_divmod, 1);
|
||||
rb_define_method(rb_cNumeric, "%", num_modulo, 1);
|
||||
rb_define_method(rb_cNumeric, "modulo", num_modulo, 1);
|
||||
rb_define_method(rb_cNumeric, "remainder", num_remainder, 1);
|
||||
rb_define_method(rb_cNumeric, "abs", num_abs, 0);
|
||||
|
|
|
|||
123
rational.c
123
rational.c
|
|
@ -1092,91 +1092,6 @@ nurat_coerce(VALUE self, VALUE other)
|
|||
return Qnil;
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* rat.div(numeric) => integer
|
||||
*
|
||||
* Uses +/+ to divide _rat_ by _numeric_, then returns the floor of the result
|
||||
* as an +Integer+ object.
|
||||
*
|
||||
* A +TypeError+ is raised unless _numeric_ is a +Numeric+ object. A
|
||||
* +ZeroDivisionError+ is raised if _numeric_ is 0. A +FloatDomainError+ is
|
||||
* raised if _numeric_ is 0.0.
|
||||
*
|
||||
* For example:
|
||||
*
|
||||
* Rational(2, 3).div(Rational(2, 3)) #=> 1
|
||||
* Rational(-2, 9).div(Rational(-9, 2)) #=> 0
|
||||
* Rational(3, 4).div(0.1) #=> 7
|
||||
* Rational(-9).div(9.9) #=> -1
|
||||
* Rational(3.12).div(0.5) #=> 6
|
||||
* Rational(200, 51).div(0) #=> ZeroDivisionError:
|
||||
* # divided by zero
|
||||
*/
|
||||
static VALUE
|
||||
nurat_idiv(VALUE self, VALUE other)
|
||||
{
|
||||
return f_floor(f_div(self, other));
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* rat.modulo(numeric) => real
|
||||
* rat % numeric => real
|
||||
*
|
||||
* Returns the modulo of _rat_ and _numeric_ as a +Numeric+ object.
|
||||
*
|
||||
* x.modulo(y) means x-y*(x/y).floor
|
||||
*
|
||||
* A +TypeError+ is raised unless _numeric_ is a +Numeric+ object. A
|
||||
* +ZeroDivisionError+ is raised if _numeric_ is 0. A +FloatDomainError+ is
|
||||
* raised if _numeric_ is 0.0.
|
||||
*
|
||||
* For example:
|
||||
*
|
||||
* Rational(2, 3) % Rational(2, 3) #=> (0/1)
|
||||
* Rational(2) % Rational(300) #=> (2/1)
|
||||
* Rational(-2, 9) % Rational(9, -2) #=> (-2/9)
|
||||
* Rational(8.2) % 3.2 #=> 1.799999999999999
|
||||
* Rational(198.1) % 2.3e3 #=> 198.1
|
||||
* Rational(2, 5) % 0.0 #=> FloatDomainError: Infinity
|
||||
*/
|
||||
static VALUE
|
||||
nurat_mod(VALUE self, VALUE other)
|
||||
{
|
||||
VALUE val = f_floor(f_div(self, other));
|
||||
return f_sub(self, f_mul(other, val));
|
||||
}
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* rat.divmod(numeric) => array
|
||||
*
|
||||
* Returns a two-element +Array+ containing the quotient and modulus
|
||||
* obtained by dividing _rat_ by _numeric_. The first element is
|
||||
* an integer. The second selement is a real.
|
||||
*
|
||||
* A +ZeroDivisionError+ is raised if _numeric_ is 0. A +FloatDomainError+ is
|
||||
* raised if _numeric_ is 0.0. A +TypeError+ is raised unless _numeric_ is a
|
||||
* +Numeric+ object.
|
||||
*
|
||||
* For example:
|
||||
*
|
||||
* Rational(3).divmod(3) #=> [1, (0/1)]
|
||||
* Rational(4).divmod(3) #=> [1, (1/1)]
|
||||
* Rational(5).divmod(3) #=> [1, (2/1)]
|
||||
* Rational(6).divmod(3) #=> [2, (0/1)]
|
||||
* Rational(2, 3).divmod(Rational(2, 3)) #=> [1, (0/1)]
|
||||
* Rational(-2, 9).divmod(Rational(9, -2)) #=> [0, (-2/9)]
|
||||
* Rational(11.5).divmod(Rational(3.5)) #=> [3, (1/1)]
|
||||
*/
|
||||
static VALUE
|
||||
nurat_divmod(VALUE self, VALUE other)
|
||||
{
|
||||
VALUE val = f_floor(f_div(self, other));
|
||||
return rb_assoc_new(val, f_sub(self, f_mul(other, val)));
|
||||
}
|
||||
|
||||
#if 0
|
||||
/* :nodoc: */
|
||||
static VALUE
|
||||
|
|
@ -1184,37 +1099,8 @@ nurat_quot(VALUE self, VALUE other)
|
|||
{
|
||||
return f_truncate(f_div(self, other));
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* call-seq:
|
||||
* rat.remainder(numeric) => real
|
||||
*
|
||||
* Returns the remainder of dividing _rat_ by _numeric_ as a +Numeric+ object.
|
||||
*
|
||||
* x.remainder(y) means x-y*(x/y).truncate
|
||||
*
|
||||
* A +ZeroDivisionError+ is raised if _numeric_ is 0. A +FloatDomainError+ is
|
||||
* raised if the result is Infinity or NaN, or _numeric_ is 0.0. A +TypeError+
|
||||
* is raised unless _numeric_ is a +Numeric+ object.
|
||||
*
|
||||
* For example:
|
||||
*
|
||||
* Rational(3, 4).remainder(Rational(3)) #=> (3/4)
|
||||
* Rational(12,13).remainder(-8) #=> (12/13)
|
||||
* Rational(2,3).remainder(-Rational(3,2)) #=> (2/3)
|
||||
* Rational(-5,7).remainder(7.1) #=> -0.7142857142857143
|
||||
* Rational(1).remainder(0) # ZeroDivisionError:
|
||||
* # divided by zero
|
||||
*/
|
||||
static VALUE
|
||||
nurat_rem(VALUE self, VALUE other)
|
||||
{
|
||||
VALUE val = f_truncate(f_div(self, other));
|
||||
return f_sub(self, f_mul(other, val));
|
||||
}
|
||||
|
||||
#if 0
|
||||
/* :nodoc: */
|
||||
static VALUE
|
||||
nurat_quotrem(VALUE self, VALUE other)
|
||||
|
|
@ -2241,21 +2127,12 @@ Init_Rational(void)
|
|||
rb_define_method(rb_cRational, "==", nurat_equal_p, 1);
|
||||
rb_define_method(rb_cRational, "coerce", nurat_coerce, 1);
|
||||
|
||||
rb_define_method(rb_cRational, "div", nurat_idiv, 1);
|
||||
|
||||
#if 0 /* NUBY */
|
||||
rb_define_method(rb_cRational, "//", nurat_idiv, 1);
|
||||
#endif
|
||||
|
||||
rb_define_method(rb_cRational, "modulo", nurat_mod, 1);
|
||||
rb_define_method(rb_cRational, "%", nurat_mod, 1);
|
||||
rb_define_method(rb_cRational, "divmod", nurat_divmod, 1);
|
||||
|
||||
#if 0
|
||||
rb_define_method(rb_cRational, "quot", nurat_quot, 1);
|
||||
#endif
|
||||
rb_define_method(rb_cRational, "remainder", nurat_rem, 1);
|
||||
#if 0
|
||||
rb_define_method(rb_cRational, "quotrem", nurat_quotrem, 1);
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -55,6 +55,7 @@ class TestNumeric < Test::Unit::TestCase
|
|||
end
|
||||
|
||||
def test_divmod
|
||||
=begin
|
||||
DummyNumeric.class_eval do
|
||||
def /(x); 42.0; end
|
||||
def %(x); :mod; end
|
||||
|
|
@ -63,13 +64,16 @@ class TestNumeric < Test::Unit::TestCase
|
|||
assert_equal(42, DummyNumeric.new.div(1))
|
||||
assert_equal(:mod, DummyNumeric.new.modulo(1))
|
||||
assert_equal([42, :mod], DummyNumeric.new.divmod(1))
|
||||
=end
|
||||
|
||||
assert_kind_of(Integer, 11.divmod(3.5).first, '[ruby-dev:34006]')
|
||||
|
||||
=begin
|
||||
ensure
|
||||
DummyNumeric.class_eval do
|
||||
remove_method :/, :%
|
||||
end
|
||||
=end
|
||||
end
|
||||
|
||||
def test_real_p
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче