/* g/z.c ** ** This file is in the public domain. */ #include "all.h" /* u3z_find(): find in memo cache. Arguments retained. */ u3_weak u3z_find(c3_m fun, u3_noun one) { u3_noun key = u3nc(fun, u3k(one)); u3_noun val; val = u3h_get(u3R->cax.har_p, key); u3z(key); return val; } u3_weak u3z_find_2(c3_m fun, u3_noun one, u3_noun two) { u3_noun key = u3nt(fun, u3k(one), u3k(two)); u3_noun val; val = u3h_get(u3R->cax.har_p, key); u3z(key); return val; } u3_weak u3z_find_3(c3_m fun, u3_noun one, u3_noun two, u3_noun tri) { u3_noun key = u3nq(fun, u3k(one), u3k(two), u3k(tri)); u3_noun val; val = u3h_get(u3R->cax.har_p, key); u3z(key); return val; } u3_weak u3z_find_4(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun qua) { u3_noun key = u3nc(fun, u3nq(u3k(one), u3k(two), u3k(tri), u3k(qua))); u3_noun val; val = u3h_get(u3R->cax.har_p, key); u3z(key); return val; } /* u3z_save*(): save in memo cache. */ u3_noun u3z_save(c3_m fun, u3_noun one, u3_noun val) { u3_noun key = u3nc(fun, u3k(one)); u3h_put(u3R->cax.har_p, key, u3k(val)); u3z(key); return val; } u3_noun u3z_save_2(c3_m fun, u3_noun one, u3_noun two, u3_noun val) { u3_noun key = u3nt(fun, u3k(one), u3k(two)); u3h_put(u3R->cax.har_p, key, u3k(val)); u3z(key); return val; } u3_noun u3z_save_3(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun val) { u3_noun key = u3nq(fun, u3k(one), u3k(two), u3k(tri)); u3h_put(u3R->cax.har_p, key, u3k(val)); u3z(key); return val; } u3_noun u3z_save_4(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun qua, u3_noun val) { u3_noun key = u3nc(fun, u3nq(u3k(one), u3k(two), u3k(tri), u3k(qua))); u3h_put(u3R->cax.har_p, key, u3k(val)); u3z(key); return val; } /* u3z_uniq(): uniquify with memo cache. */ u3_noun u3z_uniq(u3_noun som) { u3_noun key = u3nc(c3__uniq, u3k(som)); u3_noun val = u3h_get(u3R->cax.har_p, key); if ( u3_none != val ) { u3z(key); u3z(som); return val; } else { u3h_put(u3R->cax.har_p, key, u3k(som)); return som; } }