perf(hex8): elide exact zero paired cross products

2026-10-14 16:48:20 +09:00
parent 8c7c41729e
commit dec6eb3199
3 changed files with 89 additions and 1 deletions
@@ -6,6 +6,7 @@

 #include "../math/high_low_arithmetic.h"
 #include "hex8_geometry.h"
+#include "hex8_pair_arithmetic.h"

 namespace fesa {
 namespace {
@@ -18,7 +19,7 @@ HighLow operator-(HighLow a, HighLow b) {
  return math_internal::Subtract(a, b);
 }
 HighLow operator*(HighLow a, HighLow b) {
-  return math_internal::Multiply(a, b);
+  return hex8_internal::MultiplyPair(a, b);
 }
 HighLow operator/(HighLow a, HighLow b) {
  return math_internal::Divide(a, b);