compat fixes

Author: mlubin

REQUIRE

@@ -1,2 +1,2 @@
-julia 0.3
+julia 0.3.7
 Compat

src/differentiate.jl

@@ -195,7 +195,11 @@ export symbolic_derivatives_1arg
 
 # deprecated: for backward compatibility with packages that used
 # this unexported interface.
-derivative_rules = Array((Symbol,Expr),0)
+if VERSION < v"0.4.0-dev+4319"
+    derivative_rules = Array((Symbol,Expr),0)
+else
+    derivative_rules = Array(Tuple{Symbol,Expr},0)
+end
 for (s,ex) in symbolic_derivative_1arg_list
     push!(derivative_rules, (s, :(xp*$ex)))
 end

src/symbolic.jl

@@ -140,7 +140,7 @@ function simplify(::SymbolParameter{:+}, args)
         return args[1]
     else
         (sum, sym_args) = sum_numeric_args(args)
-        args = sum==0 ? sym_args : [sum, sym_args]
+        args = sum==0 ? sym_args : [sum; sym_args]
         return Expr(:call, :+, args...)
     end
 end
@@ -182,7 +182,7 @@ function simplify(::SymbolParameter{:*}, args)
         return Expr(:call, :-, args[2])
     else
         (prod, sym_args) = mul_numeric_args(args)
-        args = prod==1 ? sym_args : [prod, sym_args]
+        args = prod==1 ? sym_args : [prod; sym_args]
         return Expr(:call, :*, args...)
     end
 end

test/symbolic.jl

@@ -96,5 +96,5 @@ end
 # Tests with ifelse
 #
 @test isequal(differentiate(:(ifelse(x < 1, exp(x^2), 1/x)), :x), :(ifelse(x < 1,2x * exp(x^2), -1/x^2)))
-@test isequal(differentiate(:(ifelse(x <= 0, 0, ifelse(x > 1, 1, x))), : x), 
+@test isequal(differentiate(:(ifelse(x <= 0, 0, ifelse(x > 1, 1, x))), :x),
 														:(ifelse(x <= 0, 0, ifelse(x > 1, 0, 1))))