Update src/auxiliary/math.jl

trixi-framework · Dec 18, 2023 · 72fdb4a · 72fdb4a
1 parent 9931e04
commit 72fdb4a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/auxiliary/math.jl b/src/auxiliary/math.jl
@@ -5,7 +5,8 @@
 @muladd begin
 #! format: noindent
 
-sqrt_(x::T) where {T <: AbstractFloat} = x < zero(x) ? oftype(x, NaN) : Base.sqrt(x)
+# AbstractFloat clashes with ForwardDiff.Dual
+sqrt_(x::T) where {T <: Real} = x < zero(x) ? oftype(x, NaN) : Base.sqrt(x)
 # < 0 suffices since log(0) = -Inf
 log_(x::T) where {T <: AbstractFloat} = x < zero(x) ? oftype(x, NaN) : Base.log(x)