[wpimath] Make LinearFilter::Factorial() constexpr (#3579)

Since BackwardFiniteDifference() gives it a compile-time constant, it can be evaluated in a constexpr context.
2026-06-23 01:21:42 +00:00 · 2021-09-16 20:45:24 -07:00
parent 60ede67abd
commit 4dff873013
1 changed files with 1 additions and 1 deletions
--- a/wpimath/src/main/native/include/frc/filter/LinearFilter.h
+++ b/wpimath/src/main/native/include/frc/filter/LinearFilter.h
@@ -286,7 +286,7 @@ class LinearFilter {
   *
   * @param n Argument of which to take factorial.
   */
-  static int Factorial(int n) {
+  static constexpr int Factorial(int n) {
    if (n < 2) {
      return 1;
    } else {