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34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
/* i/n/z.h
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**
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** This file is in the public domain.
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*/
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/** Memoization.
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***
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*** The memo cache is keyed by an arbitrary symbolic function
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*** and a noun argument to that (logical) function. Functions
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*** are predefined by C-level callers, but 0 means nock.
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***
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*** The memo cache is within its road and dies when it falls.
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***
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*** Memo functions RETAIN keys and transfer values.
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**/
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/* u3z_find*(): find in memo cache.
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*/
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u3_weak u3z_find(c3_m, u3_noun);
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u3_weak u3z_find_2(c3_m, u3_noun, u3_noun);
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u3_weak u3z_find_3(c3_m, u3_noun, u3_noun, u3_noun);
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u3_weak u3z_find_4(c3_m, u3_noun, u3_noun, u3_noun, u3_noun);
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/* u3z_save*(): save in memo cache.
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*/
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u3_noun u3z_save(c3_m, u3_noun, u3_noun);
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u3_noun u3z_save_2(c3_m, u3_noun, u3_noun, u3_noun);
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u3_noun u3z_save_3(c3_m, u3_noun, u3_noun, u3_noun, u3_noun);
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u3_noun u3z_save_4(c3_m, u3_noun, u3_noun, u3_noun, u3_noun, u3_noun);
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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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