import rad2deg/deg2rad from Base (#153)

Author: jishnub

src/ApproxFunBase.jl

@@ -26,7 +26,7 @@ import Base: values, convert, getindex, setindex!, *, +, -, ==, <, <=, >, |, !,
                 getproperty, findfirst, unsafe_getindex, fld, cld, div, imag,
                 @_inline_meta, eachindex, firstindex, lastindex, keys, isreal, OneTo,
                 Array, Vector, Matrix, view, ones, @propagate_inbounds, print_array,
-                split, iszero, permutedims
+                split, iszero, permutedims, rad2deg, deg2rad
 
 import Base.Broadcast: BroadcastStyle, Broadcasted, AbstractArrayStyle, broadcastable,
                         DefaultArrayStyle, broadcasted

src/Operators/ldiv.jl

@@ -2,18 +2,22 @@
 for TYP in (:Fun,:StridedVector,:AbstractVector,:Any)
     @eval function \(A::Operator,b::$TYP;kwds...)
         if isambiguous(domainspace(A))
-            A=choosespaces(A,b)
-            if isambiguous(domainspace(A))
+            A2=choosespaces(A,b)
+            if isambiguous(domainspace(A2))
                 error("Cannot infer spaces")
             end
-            \(A,b;kwds...)
+            ldiv_nonambiguous(A2, b; kwds...)
         else
-            Fun(domainspace(A),
-                ldiv_coefficients(A,coefficients(b,rangespace(A));kwds...))
+            ldiv_nonambiguous(A, b; kwds...)
         end
     end
 end
 
+function ldiv_nonambiguous(A, b; kwds...)
+    Fun(domainspace(A),
+        ldiv_coefficients(A,coefficients(b,rangespace(A));kwds...))
+end
+
 """
     \\(A::Operator,b;tolerance=tol,maxlength=n)
 

src/specialfunctions.jl

@@ -256,8 +256,8 @@ for (op,oprecip,opinv,opinvrecip) in ((:(sin),:(csc),:(asin),:(acsc)),
     end
 end
 
-rad2deg(f::Fun) = 180*f/π
-deg2rad(f::Fun) = π*f/180
+rad2deg(f::Fun) = 180/π*f
+deg2rad(f::Fun) = π/180*f
 
 for (op,opd,opinv,opinvd) in ((:(sin),:(sind),:(asin),:(asind)),
                               (:(cos),:(cosd),:(acos),:(acosd)),