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Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/internal.h b/internal.h index 637ef1619b..949c6f8a42 100644 --- a/internal.h +++ b/internal.h @@ -364,6 +364,7 @@ struct RBignum { : (RBASIC(b)->flags &= ~BIGNUM_SIGN_BIT)) #define BIGNUM_POSITIVE_P(b) BIGNUM_SIGN(b) #define BIGNUM_NEGATIVE_P(b) (!BIGNUM_SIGN(b)) +#define BIGNUM_NEGATE(b) (RBASIC(b)->flags ^= BIGNUM_SIGN_BIT) #define BIGNUM_EMBED_FLAG FL_USER2 #define BIGNUM_EMBED_LEN_MASK (FL_USER5|FL_USER4|FL_USER3) |