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90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/* g/z.c
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**
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*/
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#include "all.h"
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/* u3z_key(): construct a memo cache-key. Arguments retained.
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*/
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u3_noun
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u3z_key(c3_m fun, u3_noun one)
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{
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return u3nc(fun, u3k(one));
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}
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u3_noun
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u3z_key_2(c3_m fun, u3_noun one, u3_noun two)
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{
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return u3nt(fun, u3k(one), u3k(two));
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}
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u3_noun
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u3z_key_3(c3_m fun, u3_noun one, u3_noun two, u3_noun tri)
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{
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return u3nq(fun, u3k(one), u3k(two), u3k(tri));
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}
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u3_noun
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u3z_key_4(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun qua)
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{
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return u3nc(fun, u3nq(u3k(one), u3k(two), u3k(tri), u3k(qua)));
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}
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u3_noun
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u3z_key_5(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun qua, u3_noun qin)
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{
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return u3nc(fun, u3nq(u3k(one), u3k(two), u3k(tri), u3nc(u3k(qua), u3k(qin))));
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}
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/* u3z_find(): find in memo cache. Arguments retained.
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*/
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u3_weak
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u3z_find(u3_noun key)
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{
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return u3h_get(u3R->cax.har_p, key);
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}
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u3_weak
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u3z_find_m(c3_m fun, u3_noun one)
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{
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u3_noun key = u3nc(fun, u3k(one));
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u3_weak val;
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val = u3h_get(u3R->cax.har_p, key);
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u3z(key);
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return val;
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}
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/* u3z_save(): save in memo cache. TRANSFER key; RETAIN val
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*/
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u3_noun
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u3z_save(u3_noun key, u3_noun val)
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{
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u3h_put(u3R->cax.har_p, key, u3k(val));
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u3z(key);
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return val;
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}
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/* u3z_save_m(): save in memo cache. Arguments retained.
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*/
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u3_noun
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u3z_save_m(c3_m fun, u3_noun one, u3_noun val)
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{
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u3_noun key = u3nc(fun, u3k(one));
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u3h_put(u3R->cax.har_p, key, u3k(val));
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u3z(key);
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return val;
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}
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/* u3z_uniq(): uniquify with memo cache.
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*/
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u3_noun
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u3z_uniq(u3_noun som)
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{
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u3_noun key = u3nc(c3__uniq, u3k(som));
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u3_noun val = u3h_get(u3R->cax.har_p, key);
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if ( u3_none != val ) {
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u3z(key); u3z(som); return val;
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}
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else {
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u3h_put(u3R->cax.har_p, key, u3k(som));
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return som;
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}
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}
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