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https://github.com/mruby/mruby
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KOBAYASHI Shuji
c980fe2792
Because they're defined in both `mruby-string-ext` and `mruby-numeric-ext` (they seem more natural to define in N, but `mruby-string-ext` depends on `Integral#chr`).
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
#include <limits.h>
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#include <mruby.h>
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static inline mrb_int
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to_int(mrb_state *mrb, mrb_value x)
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{
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x = mrb_to_int(mrb, x);
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return mrb_fixnum(x);
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}
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/*
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* call-seq:
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* int.allbits?(mask) -> true or false
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*
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* Returns +true+ if all bits of <code>+int+ & +mask+</code> are 1.
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*/
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static mrb_value
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mrb_int_allbits(mrb_state *mrb, mrb_value self)
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{
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mrb_int n, m;
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mrb_get_args(mrb, "i", &m);
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n = to_int(mrb, self);
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return mrb_bool_value((n & m) == m);
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}
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/*
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* call-seq:
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* int.anybits?(mask) -> true or false
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*
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* Returns +true+ if any bits of <code>+int+ & +mask+</code> are 1.
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*/
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static mrb_value
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mrb_int_anybits(mrb_state *mrb, mrb_value self)
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{
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mrb_int n, m;
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mrb_get_args(mrb, "i", &m);
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n = to_int(mrb, self);
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return mrb_bool_value((n & m) != 0);
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}
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/*
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* call-seq:
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* int.nobits?(mask) -> true or false
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*
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* Returns +true+ if no bits of <code>+int+ & +mask+</code> are 1.
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*/
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static mrb_value
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mrb_int_nobits(mrb_state *mrb, mrb_value self)
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{
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mrb_int n, m;
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mrb_get_args(mrb, "i", &m);
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n = to_int(mrb, self);
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return mrb_bool_value((n & m) == 0);
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}
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void
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mrb_mruby_numeric_ext_gem_init(mrb_state* mrb)
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{
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struct RClass *i = mrb_module_get(mrb, "Integral");
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mrb_define_method(mrb, i, "allbits?", mrb_int_allbits, MRB_ARGS_REQ(1));
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mrb_define_method(mrb, i, "anybits?", mrb_int_anybits, MRB_ARGS_REQ(1));
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mrb_define_method(mrb, i, "nobits?", mrb_int_nobits, MRB_ARGS_REQ(1));
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}
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void
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mrb_mruby_numeric_ext_gem_final(mrb_state* mrb)
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{
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}
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