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(SCM_SRS): Cast shiftee to scm_signed_bits_t.

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(SCM_INUM): Cast result to scm_signed_bits_t.
This commit is contained in:
Marius Vollmer 2001-06-14 17:41:21 +00:00
parent 4a19973db3
commit 4d87842bb3
1 changed files with 2 additions and 2 deletions
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4
libguile/numbers.h
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@ -69,7 +69,7 @@
/* SCM_SRS is signed right shift */
#if (-1 == (((-1) << 2) + 2) >> 2)
# define SCM_SRS(x, y) ((x) >> (y))
# define SCM_SRS(x, y) ((scm_signed_bits_t)(x) >> (y))
#else
# define SCM_SRS(x, y) ((SCM_UNPACK (x) < 0) ? ~((~SCM_UNPACK (x)) >> (y)) : (SCM_UNPACK (x) >> (y)))
#endif /* (-1 == (((-1) << 2) + 2) >> 2) */
@ -78,7 +78,7 @@
#define SCM_INUMP(x) (2 & SCM_UNPACK (x))
#define SCM_NINUMP(x) (!SCM_INUMP (x))
#define SCM_MAKINUM(x) (SCM_PACK (((x) << 2) + 2L))
#define SCM_INUM(x) (SCM_SRS (SCM_UNPACK (x), 2))
#define SCM_INUM(x) ((scm_signed_bits_t)(SCM_SRS (SCM_UNPACK (x), 2)))
/* SCM_FIXABLE is true if its long argument can be encoded in an SCM_INUM. */