1 files changed, 61 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/a/max.c b/vere/pkg/noun/jets/a/max.c
new file mode 100644
index 0000000..929ee50
--- /dev/null
+++ b/vere/pkg/noun/jets/a/max.c
@@ -0,0 +1,61 @@
+/// @file
+
+#include "jets/k.h"
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+
+u3_noun
+u3qa_max(u3_atom a, u3_atom b)
+{
+  if ( _(u3a_is_cat(a)) && _(u3a_is_cat(b)) ) {
+    return u3k(c3_max(a, b));
+  }
+  else {
+    c3_w a_w = u3r_met(0, a);
+    c3_w b_w = u3r_met(0, b);
+
+    if ( a_w != b_w ) {
+      return u3k((a_w > b_w) ? a : b);
+    }
+    else {
+      mpz_t   a_mp, b_mp;
+      u3_noun max;
+
+      u3r_mp(a_mp, a);
+      u3r_mp(b_mp, b);
+
+      max = (mpz_cmp(a_mp, b_mp) > 0) ? a : b;
+
+      mpz_clear(a_mp);
+      mpz_clear(b_mp);
+
+      return u3k(max);
+    }
+  }
+}
+
+u3_noun
+u3wa_max(u3_noun cor)
+{
+  u3_noun a, b;
+
+  if (  (c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0))
+     || (c3n == u3ud(b) && 0 != a)
+     || (c3n == u3ud(a) && 0 != b) )
+  {
+    return u3m_bail(c3__exit);
+  }
+  else {
+    return u3qa_max(a, b);
+  }
+}
+
+u3_noun
+u3ka_max(u3_noun a, u3_noun b)
+{
+  u3_noun c = u3qa_max(a, b);
+  u3z(a); u3z(b);
+  return c;
+}