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Allow mruby-range-ext to work with MRB_WITHOUT_FLOAT; ref #4576

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-07-16 12:39:30 +09:00
parent 5eef75b678
commit 2add864164
1 changed files with 23 additions and 4 deletions
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mrbgems/mruby-range-ext/src/range.c
+23 -4
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@@ -1,7 +1,3 @@
#ifdef MRB_WITHOUT_FLOAT
# error Conflict 'MRB_WITHOUT_FLOAT' configuration in your 'build_config.rb'
#endif
#include <mruby.h>
#include <mruby/range.h>
#include <math.h>
@@ -110,6 +106,7 @@ range_last(mrb_state *mrb, mrb_value range)
* ('a'..'z').size #=> nil
*/
#ifndef MRB_WITHOUT_FLOAT
static mrb_value
range_size(mrb_state *mrb, mrb_value range)
{
@@ -162,6 +159,28 @@ range_size(mrb_state *mrb, mrb_value range)
}
return mrb_nil_value();
}
#else
static mrb_value
range_size(mrb_state *mrb, mrb_value range)
{
struct RRange *r = mrb_range_ptr(mrb, range);
mrb_value beg, end;
mrb_int excl;
beg = RANGE_BEG(r);
end = RANGE_END(r);
excl = RANGE_EXCL(r) ? 0 : 1;
if (mrb_fixnum_p(beg) && mrb_fixnum_p(end)) {
mrb_int a = mrb_fixnum(beg);
mrb_int b = mrb_fixnum(end);
mrb_int c = b - a + excl;
return mrb_fixnum_value(c);
}
return mrb_nil_value();
}
#endif /* MRB_WITHOUT_FLOAT */
void
mrb_mruby_range_ext_gem_init(mrb_state* mrb)