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WIP for bignum comparisons

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This commit is contained in:
Justin Ethier 2017-02-10 04:40:00 -05:00
parent 4ad41f6d5c
commit 7c2bc7f514
1 changed files with 37 additions and 0 deletions
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37
runtime.c
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@ -1161,6 +1161,38 @@ object Cyc_num_cmp_va_list(void *data, int argc,
return boolean_t;
}
typedef enum {
CYC_BN_LTE = -2
, CYC_BN_LT = MP_LT
, CYC_BN_EQ = MP_EQ
, CYC_BN_GT = MP_GT
, CYC_BN_GTE = 2
} bn_cmp_type;
int Cyc_bignum_cmp(void *data, bn_tmp_type type, object x, int tx, object y, int ty)
{
int cmp;
if (tx == bignum_tag && ty == bignum_tag) {
cmp = mp_cmp(&bignum_value(x), &bignum_value(y));
// if cmp == type, return true
// otherwise need to check GTE / LTE
}
/* TODO:
} else if (tx == bignum_tag && ty == -1) { \
} else if (tx == bignum_tag && ty == double_tag) { \
} else if (tx == bignum_tag && ty == bignum_tag) { \
} else if (tx == -1 && ty == bignum_tag) { \
} else if (tx == double_tag && ty == bignum_tag) { \
*/
{
make_string(s, "Bad argument type");
make_pair(c1, y, NULL);
make_pair(c0, &s, &c1);
Cyc_rt_raise(data, &c0);
}
}
#define declare_num_cmp(FUNC, FUNC_OP, FUNC_FAST_OP, FUNC_APPLY, OP) \
int FUNC_OP(void *data, object x, object y) { \
int result = 0, \
@ -1184,6 +1216,11 @@ int FUNC_OP(void *data, object x, object y) { \
result = (double_value(x)) OP (integer_value(y)); \
} else if (tx == double_tag && ty == double_tag) { \
result = (double_value(x)) OP (double_value(y)); \
} else if (tx == bignum_tag && ty == -1) { \
} else if (tx == bignum_tag && ty == double_tag) { \
} else if (tx == bignum_tag && ty == bignum_tag) { \
} else if (tx == -1 && ty == bignum_tag) { \
} else if (tx == double_tag && ty == bignum_tag) { \
} else { \
make_string(s, "Bad argument type"); \
make_pair(c1, y, NULL); \