Files
mruby-mruby/include/mruby/numeric.h
T
2012-04-23 11:46:16 +09:00

24 lines
598 B
C

/*
** numeric.h - Numeric, Integer, Float, Fixnum class
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_NUMERIC_H
#define MRUBY_NUMERIC_H
#include <limits.h>
#define RSHIFT(x,y) ((x)>>(int)(y))
#define FIXNUM_MAX (LONG_MAX>>1)
#define FIXNUM_MIN RSHIFT((long)LONG_MIN,1)
#define POSFIXABLE(f) ((f) < FIXNUM_MAX+1)
#define NEGFIXABLE(f) ((f) >= FIXNUM_MIN)
#define FIXABLE(f) (POSFIXABLE(f) && NEGFIXABLE(f))
mrb_value mrb_dbl2big(mrb_state *mrb, float d);
void mrb_num_zerodiv(mrb_state *mrb);
mrb_value mrb_fix2str(mrb_state *mrb, mrb_value x, int base);
#endif /* MRUBY_NUMERIC_H */