BMI.get_value_ptr and SVector type

Replace getindex (values are retrieved from the array (copy)), with reinterpret (a copy is not created).

src/bmi.jl

@@ -233,8 +233,11 @@ function BMI.get_value_ptr(model::Model, name::String)
         if occursin("[", name)
             ind = tryparse(Int, split(s[end], "]")[1])
             if eltype(param(model, key)) <: SVector
-                value = @view getindex.(param(model, key), ind)[1:n]
-                return value
+                model_vals = param(model, key)
+                el_type = eltype(first(model_vals))
+                dim = length(first(model_vals))
+                value = reshape(reinterpret(el_type, model_vals), dim, :)
+                return @view value[ind, 1:n]
             else
                 value = @view param(model, key)[ind, 1:n]
                 return value

test/bmi.jl

@@ -54,6 +54,12 @@ tomlpath = joinpath(@__DIR__, "sbm_config.toml")
                 zeros(Float, 3),
                 [1, 2, 3],
             ) ≈ getindex.(model.vertical.vwc, 1)[1:3]
+            BMI.set_value_at_indices(
+                model,
+                "vertical.vwc[2]",
+                [1, 2, 3],
+                [0.10, 0.15, 0.20],
+            ) ≈ getindex.(model.vertical.vwc, 2)[1:3]
             @test BMI.get_value_at_indices(
                 model,
                 "lateral.river.q",