{Fixnum,Bignum}#** is unified into Integer.
* numeric.c (rb_int_pow): {Fixnum,Bignum}#** is unified into Integer. * bignum.c (rb_big_pow): Don't define Bignum#**. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,10 @@
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Sat Apr 30 12:25:43 2016 Tanaka Akira <akr@fsij.org>
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* numeric.c (rb_int_pow): {Fixnum,Bignum}#** is unified into
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Integer.
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* bignum.c (rb_big_pow): Don't define Bignum#**.
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Sat Apr 30 12:28:59 2016 Tanaka Akira <akr@fsij.org>
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* bignum.c (rb_big_comp): Renamed from rb_big_neg.
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14
bignum.c
14
bignum.c
@ -6296,19 +6296,6 @@ rb_big_fdiv(VALUE x, VALUE y)
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return DBL2NUM(dx / dy);
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}
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/*
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* call-seq:
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* big ** exponent -> numeric
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*
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* Raises _big_ to the _exponent_ power (which may be an integer, float,
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* or anything that will coerce to a number). The result may be
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* a Fixnum, Bignum, or Float
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*
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* 123456789 ** 2 #=> 15241578750190521
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* 123456789 ** 1.2 #=> 5126464716.09932
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* 123456789 ** -2 #=> 6.5610001194102e-17
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*/
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VALUE
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rb_big_pow(VALUE x, VALUE y)
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{
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@ -6950,7 +6937,6 @@ Init_Bignum(void)
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rb_define_method(rb_cBignum, "modulo", rb_big_modulo, 1);
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rb_define_method(rb_cBignum, "remainder", rb_big_remainder, 1);
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rb_define_method(rb_cBignum, "fdiv", rb_big_fdiv, 1);
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rb_define_method(rb_cBignum, "**", rb_big_pow, 1);
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rb_define_method(rb_cBignum, "==", rb_big_eq, 1);
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rb_define_method(rb_cBignum, ">", big_gt, 1);
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26
numeric.c
26
numeric.c
@ -3557,16 +3557,22 @@ fix_divmod(VALUE x, VALUE y)
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}
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/*
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* Document-method: Fixnum#**
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* Document-method: Integer#**
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* call-seq:
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* fix ** numeric -> numeric_result
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* integer ** numeric -> numeric_result
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*
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* Raises +fix+ to the power of +numeric+, which may be negative or
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* Raises +integer+ to the power of +numeric+, which may be negative or
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* fractional.
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* The result may be a Fixnum, Bignum, or Float
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*
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* 2 ** 3 #=> 8
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* 2 ** -1 #=> (1/2)
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* 2 ** 0.5 #=> 1.4142135623731
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*
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* 123456789 ** 2 #=> 15241578750190521
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* 123456789 ** 1.2 #=> 5126464716.09932
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* 123456789 ** -2 #=> 6.5610001194102e-17
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*
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*/
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static VALUE
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@ -3666,6 +3672,18 @@ fix_pow(VALUE x, VALUE y)
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}
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}
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static VALUE
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rb_int_pow(VALUE x, VALUE y)
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{
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if (FIXNUM_P(x)) {
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return fix_pow(x, y);
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}
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else if (RB_TYPE_P(x, T_BIGNUM)) {
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return rb_big_pow(x, y);
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}
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return Qnil;
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}
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/*
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* Document-method: Fixnum#==
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* call-seq:
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@ -4799,7 +4817,7 @@ Init_Numeric(void)
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rb_define_method(rb_cFixnum, "modulo", fix_mod, 1);
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rb_define_method(rb_cFixnum, "divmod", fix_divmod, 1);
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rb_define_method(rb_cFixnum, "fdiv", fix_fdiv, 1);
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rb_define_method(rb_cFixnum, "**", fix_pow, 1);
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rb_define_method(rb_cInteger, "**", rb_int_pow, 1);
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rb_define_method(rb_cInteger, "abs", int_abs, 0);
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rb_define_method(rb_cInteger, "magnitude", int_abs, 0);
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