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author | Marius Vollmer <mvo@zagadka.de> | 2003-11-18 19:59:53 +0000 |
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committer | Marius Vollmer <mvo@zagadka.de> | 2003-11-18 19:59:53 +0000 |
commit | f92e85f7352174c9fe0ac0e67e6c38cfce923300 (patch) | |
tree | bc52293ad0d0d1770d35bd58a118744a80e86957 /libguile/objects.c | |
parent | 9dd9857f77451a706052cae009d2fe7150373c5a (diff) | |
download | guile-f92e85f7352174c9fe0ac0e67e6c38cfce923300.tar.gz |
* print.c (scm_iprin1): Handle fractions.
* objects.h (scm_class_fraction): New.
* objects.c (scm_class_fraction): New.
(scm_class_of): Handle fractions.
* hash.c (scm_hasher): Handle fractions.
* numbers.c: New code for handling fraction all over the place.
(scm_odd_p, scm_even_p): Handle inexact integers.
(scm_rational_p): New function, same as scm_real_p.
(scm_round_number, scm_truncate_number, scm_ceiling, scm_floor):
New exact functions that replace the inexact 'dsubr'
implementations.
(scm_numerator, scm_denominator): New.
* numbers.h (SCM_NUMP): Recognize fractions.
(SCM_FRACTIONP, SCM_SLOPPY_FRACTIONP, SCM_FRACTION_NUMERATOR,
SCM_FRACTION_DENOMINATOR, SCM_FRACTION_SET_NUMERATOR,
SCM_FRACTION_SET_DENOMINATOR, SCM_FRACTION_REDUCED_BIT,
SCM_FRACTION_REDUCED_SET, SCM_FRACTION_REDUCED_CLEAR,
SCM_FRACTION_REDUCED): New.
(scm_floor, scm_ceiling, scm_truncate_number, scm_round_number):
New prototypes.
(scm_make_ratio, scm_rationalize, scm_numerator, scm_denominator,
scm_rational_p): New prototypes.
(scm_i_dbl2num, scm_i_fraction2double, scm_i_fraction_equalp,
scm_i_print_fraction): New prototypes.
* goops.c (create_standard_classes): Create "<fraction>" class.
* gc-mark.c (scm_gc_mark_dependencies): Handle fractions.
* gc-card.c (scm_i_sweep_card): Include scm_tc16_fraction as a
case in the switch, but do nothing for now.
* eval.c (SCM_CEVAL, SCM_APPLY, call_dsubr_1): Convert fractions
to doubles when calling 'dsubr' functions.
* eq.c (scm_eqv_p, scm_equal_p): Handle fractions.
Diffstat (limited to 'libguile/objects.c')
-rw-r--r-- | libguile/objects.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libguile/objects.c b/libguile/objects.c index 12ee5a9c0..f655470da 100644 --- a/libguile/objects.c +++ b/libguile/objects.c @@ -48,7 +48,7 @@ SCM scm_class_boolean, scm_class_char, scm_class_pair; SCM scm_class_procedure, scm_class_string, scm_class_symbol; SCM scm_class_procedure_with_setter, scm_class_primitive_generic; SCM scm_class_vector, scm_class_null; -SCM scm_class_integer, scm_class_real, scm_class_complex; +SCM scm_class_integer, scm_class_real, scm_class_complex, scm_class_fraction; SCM scm_class_unknown; SCM *scm_port_class = 0; @@ -110,6 +110,8 @@ SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0, return scm_class_real; case scm_tc16_complex: return scm_class_complex; + case scm_tc16_fraction: + return scm_class_fraction; } case scm_tc7_asubr: case scm_tc7_subr_0: |