urbit/j/3/dor.c

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/* j/3/dor.c
**
** This file is in the public domain.
*/
#include "all.h"
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/* functions
*/
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u3_noun
u3_cqc_dor(
u3_atom a,
u3_atom b)
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{
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if ( c3y == u3r_sing(a, b) ) {
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return c3y;
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}
else {
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if ( c3y == u3ud(a) ) {
if ( c3y == u3ud(b) ) {
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return u3_cqa_lth(a, b);
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}
else {
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return c3y;
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}
}
else {
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if ( c3y == u3ud(b) ) {
return c3n;
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}
else {
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if ( c3y == u3r_sing(u3h(a), u3h(b)) ) {
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return u3_cqc_dor(u3t(a), u3t(b));
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}
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else return u3_cqc_dor(u3h(a), u3h(b));
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}
}
}
}
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u3_noun
u3_cwc_dor(
u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3v_sam_2, &a, u3v_sam_3, &b, 0) ) {
return u3m_bail(c3__exit);
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} else {
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return u3_cqc_dor(a, b);
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}
}