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54 lines
837 B
C
54 lines
837 B
C
/* j/1/add.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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/* functions
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*/
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u3_noun
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u3qa_add(u3_atom a,
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u3_atom b)
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{
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if ( _(u3a_is_cat(a)) && _(u3a_is_cat(b)) ) {
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c3_w c = a + b;
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return u3i_words(1, &c);
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}
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else {
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mpz_t a_mp, b_mp;
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u3r_mp(a_mp, a);
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u3r_mp(b_mp, b);
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mpz_add(a_mp, a_mp, b_mp);
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mpz_clear(b_mp);
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return u3i_mp(a_mp);
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}
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}
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u3_noun
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u3wa_add(u3_noun cor)
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{
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u3_noun a, b;
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if ( (c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0)) ||
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(c3n == u3ud(a)) ||
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(c3n == u3ud(b)) )
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{
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return u3m_bail(c3__exit);
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} else {
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return u3qa_add(a, b);
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}
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}
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u3_noun
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u3ka_add(u3_noun a, u3_noun b)
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{
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u3_noun c = u3qa_add(a, b);
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u3z(a); u3z(b);
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return c;
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}
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