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Implement centered-quotient with new integer lib

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* libguile/integers.c (scm_integer_centered_quotient_ii)
(scm_integer_centered_quotient_iz, scm_integer_centered_quotient_zi)
(scm_integer_centered_quotient_zz): New internal functions.
* libguile/integers.h: Declare internal functions.
* libguile/numbers.c (scm_centered_quotient): Use the new functions.
(scm_i_bigint_centered_quotient): Remove unused helper.
This commit is contained in:
Andy Wingo 2021-12-13 10:23:42 +01:00
parent f8a92773ac
commit 0ccdf06c81
3 changed files with 144 additions and 138 deletions
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libguile/integers.h
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@ -86,6 +86,11 @@ SCM_INTERNAL void scm_integer_truncate_divide_zi (SCM x, scm_t_inum y,
SCM_INTERNAL void scm_integer_truncate_divide_zz (SCM x, SCM y,
SCM *qp, SCM *rp);
SCM_INTERNAL SCM scm_integer_centered_quotient_ii (scm_t_inum x, scm_t_inum y);
SCM_INTERNAL SCM scm_integer_centered_quotient_iz (scm_t_inum x, SCM y);
SCM_INTERNAL SCM scm_integer_centered_quotient_zi (SCM x, scm_t_inum y);
SCM_INTERNAL SCM scm_integer_centered_quotient_zz (SCM x, SCM y);
#endif /* SCM_INTEGERS_H */