Update grid.cc

artis-mcrt · Sep 1, 2024 · a986fdd · a986fdd
1 parent 0db5b0d
commit a986fdd
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/grid.cc b/grid.cc
@@ -1508,9 +1508,10 @@ constexpr auto get_gridcoords_from_xyz(const std::array<double, 3> &pos_xyz) ->
 }
 
 template <size_t S1>
-[[nodiscard]] [[gnu::pure]] constexpr auto expanding_shell_intersection(
-    const std::array<double, S1> pos, const std::array<double, S1> dir, const double speed,
-    const double shellradiuststart, const bool isinnerboundary, const double tstart) -> double
+[[nodiscard]] constexpr auto expanding_shell_intersection(const std::array<double, S1> &pos,
+                                                          const std::array<double, S1> &dir, const double speed,
+                                                          const double shellradiuststart, const bool isinnerboundary,
+                                                          const double tstart) -> double
 // find the closest forward distance to the intersection of a ray with an expanding spherical shell (pos and dir are
 // 3-vectors) or expanding circle (2D vectors)
 // returns -1 if there are no forward intersections (or if the intersection