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* numeric.c (int_pow): fix infinite loop in the case of y equal 1 and power of x does not overflow. [ruby-core:91734] [Bug #15651] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
36 lines
731 B
C
36 lines
731 B
C
#include "internal.h"
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static VALUE
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int_bignum_p(VALUE self)
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{
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return RB_TYPE_P(self, T_BIGNUM) ? Qtrue : Qfalse;
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}
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static VALUE
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int_fixnum_p(VALUE self)
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{
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return FIXNUM_P(self) ? Qtrue : Qfalse;
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}
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static VALUE
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rb_int_to_bignum(VALUE x)
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{
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if (FIXNUM_P(x))
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x = rb_int2big(FIX2LONG(x));
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return x;
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}
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static VALUE
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positive_pow(VALUE x, VALUE y)
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{
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return rb_int_positive_pow(NUM2LONG(x), NUM2ULONG(y));
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}
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void
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Init_core_ext(VALUE klass)
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{
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rb_define_method(rb_cInteger, "bignum?", int_bignum_p, 0);
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rb_define_method(rb_cInteger, "fixnum?", int_fixnum_p, 0);
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rb_define_method(rb_cInteger, "to_bignum", rb_int_to_bignum, 0);
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rb_define_method(rb_cInteger, "positive_pow", positive_pow, 1);
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}
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