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authorpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
committerpolwex <polwex@sortug.com>2025-10-05 21:56:51 +0700
commitfcedfddf00b3f994e4f4e40332ac7fc192c63244 (patch)
tree51d38e62c7bdfcc5f9a5e9435fe820c93cfc9a3d /vere/pkg/noun/jets/e/ed_smac.c
claude is gud
Diffstat (limited to 'vere/pkg/noun/jets/e/ed_smac.c')
-rw-r--r--vere/pkg/noun/jets/e/ed_smac.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/vere/pkg/noun/jets/e/ed_smac.c b/vere/pkg/noun/jets/e/ed_smac.c
new file mode 100644
index 0000000..ce0ffac
--- /dev/null
+++ b/vere/pkg/noun/jets/e/ed_smac.c
@@ -0,0 +1,73 @@
+/// @file
+
+#include "jets/q.h"
+#include "jets/w.h"
+
+#include "noun.h"
+#include "urcrypt.h"
+
+ static u3_atom
+ _cqee_smac(u3_atom a,
+ u3_atom b,
+ u3_atom c)
+ {
+ c3_y a_y[32], b_y[32], c_y[32], out_y[32];
+ c3_w met_w;
+
+ met_w = u3r_met(3, a);
+ if ( (32 < met_w) ||
+ ( (32 == met_w) &&
+ (127 < u3r_byte(31, a)) )
+ ) {
+ u3_noun a_recs = u3qee_recs(a);
+ u3r_bytes(0, 32, a_y, a_recs);
+ u3z(a_recs);
+ } else {
+ u3r_bytes(0, 32, a_y, a);
+ }
+
+ met_w = u3r_met(3, b);
+ if ( (32 < met_w) ||
+ ( (32 == met_w) &&
+ (127 < u3r_byte(31, b)) )
+ ) {
+ u3_noun b_recs = u3qee_recs(b);
+ u3r_bytes(0, 32, b_y, b_recs);
+ u3z(b_recs);
+ } else {
+ u3r_bytes(0, 32, b_y, b);
+ }
+
+ met_w = u3r_met(3, c);
+ if ( (32 < met_w) ||
+ ( (32 == met_w) &&
+ (127 < u3r_byte(31, c)) )
+ ) {
+ u3_noun c_recs = u3qee_recs(c);
+ u3r_bytes(0, 32, c_y, c_recs);
+ u3z(c_recs);
+ } else {
+ u3r_bytes(0, 32, c_y, c);
+ }
+
+ urcrypt_ed_scalar_muladd(a_y, b_y, c_y, out_y);
+ return u3i_bytes(32, out_y);
+ }
+
+ u3_noun
+ u3wee_smac(u3_noun cor)
+ {
+ u3_noun a, b, c;
+
+ if ( (c3n == u3r_mean(cor, u3x_sam_2, &a,
+ u3x_sam_6, &b,
+ u3x_sam_7, &c, 0)) ||
+ (c3n == u3ud(a)) ||
+ (c3n == u3ud(b)) ||
+ (c3n == u3ud(c)) )
+ {
+ return u3m_bail(c3__exit);
+ } else {
+ return _cqee_smac(a, b, c);
+ }
+ }