зеркало из https://github.com/github/ruby.git
rational.c: optimize rational - {float,rational}
* rational.c (f_addsub, nurat_sub): optimize rational - {float,rational}. Author: Tadashi Saito <tad.a.digger@gmail.com> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -693,7 +693,7 @@ f_addsub(VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
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if (k == '+')
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c = rb_int_plus(a, b);
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else
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c = f_sub(a, b);
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c = rb_int_minus(a, b);
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b = rb_int_idiv(aden, g);
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g = f_gcd(c, g);
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@ -710,7 +710,7 @@ f_addsub(VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
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if (k == '+')
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c = rb_int_plus(a, b);
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else
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c = f_sub(a, b);
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c = rb_int_minus(a, b);
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b = rb_int_idiv(aden, g);
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g = f_gcd(c, g);
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@ -787,8 +787,8 @@ nurat_sub(VALUE self, VALUE other)
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dat->den);
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}
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}
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else if (RB_TYPE_P(other, T_FLOAT)) {
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return f_sub(f_to_f(self), other);
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else if (RB_FLOAT_TYPE_P(other)) {
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return DBL2NUM(RFLOAT_VALUE(nurat_to_f(self)) - RFLOAT_VALUE(other));
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}
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else if (RB_TYPE_P(other, T_RATIONAL)) {
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{
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