[material] Fix parameter type in spline material law
See merge request !3104 (merged)
(cherry picked from commit 579772a7)
fb4543fa [material] Fix parameter type in spline material law
[material] Fix parameter type in spline material law
See merge request !3104 (merged)
(cherry picked from commit 579772a7)
fb4543fa [material] Fix parameter type in spline material law