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Add constants for floating point number

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dearblue
2019-08-03 11:38:00 +09:00
parent f6c41c1862
commit eb86340139
2 changed files with 44 additions and 0 deletions
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include/mruby/numeric.h
+30
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@@ -160,6 +160,36 @@ mrb_int_mul_overflow(mrb_int multiplier, mrb_int multiplicand, mrb_int *product)
#endif
#ifndef MRB_WITHOUT_FLOAT
# include <stdint.h>
# include <float.h>
# define MRB_FLT_RADIX FLT_RADIX
# ifdef MRB_USE_FLOAT
# define MRB_FLT_MANT_DIG FLT_MANT_DIG
# define MRB_FLT_EPSILON FLT_EPSILON
# define MRB_FLT_DIG FLT_DIG
# define MRB_FLT_MIN_EXP FLT_MIN_EXP
# define MRB_FLT_MIN FLT_MIN
# define MRB_FLT_MIN_10_EXP FLT_MIN_10_EXP
# define MRB_FLT_MAX_EXP FLT_MAX_EXP
# define MRB_FLT_MAX FLT_MAX
# define MRB_FLT_MAX_10_EXP FLT_MAX_10_EXP
# else /* not MRB_USE_FLOAT */
# define MRB_FLT_MANT_DIG DBL_MANT_DIG
# define MRB_FLT_EPSILON DBL_EPSILON
# define MRB_FLT_DIG DBL_DIG
# define MRB_FLT_MIN_EXP DBL_MIN_EXP
# define MRB_FLT_MIN DBL_MIN
# define MRB_FLT_MIN_10_EXP DBL_MIN_10_EXP
# define MRB_FLT_MAX_EXP DBL_MAX_EXP
# define MRB_FLT_MAX DBL_MAX
# define MRB_FLT_MAX_10_EXP DBL_MAX_10_EXP
# endif /* MRB_USE_FLOAT */
#endif /* MRB_WITHOUT_FLOAT */
MRB_END_DECL
#endif /* MRUBY_NUMERIC_H */