From fcedfddf00b3f994e4f4e40332ac7fc192c63244 Mon Sep 17 00:00:00 2001
From: polwex <polwex@sortug.com>
Date: Sun, 5 Oct 2025 21:56:51 +0700
Subject: claude is gud

---
 vere/pkg/noun/jets/d/by_uni.c | 101 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 vere/pkg/noun/jets/d/by_uni.c

(limited to 'vere/pkg/noun/jets/d/by_uni.c')

diff --git a/vere/pkg/noun/jets/d/by_uni.c b/vere/pkg/noun/jets/d/by_uni.c
new file mode 100644
index 0000000..6bdcd4c
--- /dev/null
+++ b/vere/pkg/noun/jets/d/by_uni.c
@@ -0,0 +1,101 @@
+/// @file
+
+#include "jets/k.h"
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+u3_noun
+u3qdb_uni(u3_noun a, u3_noun b)
+{
+  if ( u3_nul == b ) {
+    return u3k(a);
+  }
+  else if ( u3_nul == a ) {
+    return u3k(b);
+  }
+  else {
+    u3_noun n_a, l_a, r_a;
+    u3_noun n_b, l_b, r_b;
+    u3_noun p_n_a, q_n_a;
+    u3_noun p_n_b, q_n_b;
+    u3x_trel(a, &n_a, &l_a, &r_a);
+    u3x_trel(b, &n_b, &l_b, &r_b);
+    u3x_cell(n_a, &p_n_a, &q_n_a);
+    u3x_cell(n_b, &p_n_b, &q_n_b);
+
+    if ( c3y == u3r_sing(p_n_a, p_n_b) ) {
+      return u3nt(u3k(n_b),
+                  u3qdb_uni(l_a, l_b),
+                  u3qdb_uni(r_a, r_b));
+    }
+    else if ( c3y == u3qc_mor(p_n_a, p_n_b) ) {
+      u3_noun new_a, old_b;
+
+      if ( c3y == u3qc_gor(p_n_b, p_n_a) ) {
+        u3_noun new_b  = u3nt(u3k(n_b), u3k(l_b), u3_nul);
+        u3_noun new_la = u3qdb_uni(l_a, new_b);
+        u3z(new_b);
+
+        new_a = u3nt(u3k(n_a), new_la, u3k(r_a));
+        old_b = r_b;
+      }
+      else {
+        u3_noun new_b  = u3nt(u3k(n_b), u3_nul, u3k(r_b));
+        u3_noun new_ra = u3qdb_uni(r_a, new_b);
+        u3z(new_b);
+
+        new_a = u3nt(u3k(n_a), u3k(l_a), new_ra);
+        old_b = l_b;
+      }
+
+      {
+        u3_noun pro = u3qdb_uni(new_a, old_b);
+        u3z(new_a);
+        return pro;
+      }
+    }
+    else {
+      u3_noun old_a, new_b;
+
+      if ( c3y == u3qc_gor(p_n_a, p_n_b) ) {
+        u3_noun new_a  = u3nt(u3k(n_a), u3k(l_a), u3_nul);
+        u3_noun new_lb = u3qdb_uni(new_a, l_b);
+        u3z(new_a);
+
+        new_b = u3nt(u3k(n_b), new_lb, u3k(r_b));
+        old_a = r_a;
+      }
+      else {
+        u3_noun new_a  = u3nt(u3k(n_a), u3_nul, u3k(r_a));
+        u3_noun new_rb = u3qdb_uni(new_a, r_b);
+        u3z(new_a);
+
+        new_b = u3nt(u3k(n_b), u3k(l_b), new_rb);
+        old_a = l_a;
+      }
+
+      {
+        u3_noun pro = u3qdb_uni(old_a, new_b);
+        u3z(new_b);
+        return pro;
+      }
+    }
+  }
+}
+
+u3_noun
+u3wdb_uni(u3_noun cor)
+{
+  u3_noun a, b;
+  u3x_mean(cor, u3x_sam, &b, u3x_con_sam, &a, 0);
+  return u3qdb_uni(a, b);
+}
+
+u3_noun
+u3kdb_uni(u3_noun a, u3_noun b)
+{
+  u3_noun pro = u3qdb_uni(a, b);
+  u3z(a); u3z(b);
+  return pro;
+}
-- 
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