test library call wrappers (and correct typo)

JuliaMath · Mar 9, 2019 · d3e9b69 · d3e9b69
1 parent 49aae49
commit d3e9b69
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Showing 3 changed files with 44 additions and 6 deletions.
diff --git a/src/Quadmath.jl b/src/Quadmath.jl
@@ -327,6 +327,13 @@ if _WIN_PTR_ABI
               (Ptr{Cfloat128}, Ref{Cfloat128}, Ref{Cfloat128}), r, x, y)
         Float128(r[])
     end
+elseif Sys.iswindows()
+    function (^)(x::Float128, y::Float128)
+        r = Ref{Cfloat128}()
+        p = PadPtr(r)
+        ccall((:powq,quadoplib), Cvoid, (PF128, Cfloat128, Cfloat128), p, x, y)
+        Float128(r[])
+    end
 else
     (^)(x::Float128, y::Float128) =
         Float128(ccall((:powq, libquadmath), Cfloat128,
@@ -391,15 +398,15 @@ end
 for f in (:copysign, :hypot, )
     if _WIN_PTR_ABI
         @eval function $f(x::Float128, y::Float128)
-            r = Ref{Cloat128}()
+            r = Ref{Cfloat128}()
             ccall(($(string(f,:q)), libquadmath), Cvoid,
                            (Ptr{Cfloat128}, Ref{Cfloat128}, Ref{Cfloat128}),
                            r, x, y)
             Float128(r[])
         end
     elseif Sys.iswindows()
         @eval function $f(x::Float128, y::Float128)
-            r = Ref{Cloat128}()
+            r = Ref{Cfloat128}()
             p = PadPtr(r)
             ccall(($(string(f,:q)), libquadmath), Cvoid,
                            (PF128, Cfloat128, Cfloat128),
@@ -417,14 +424,14 @@ flipsign(x::Float128, y::Float128) = signbit(y) ? -x : x
 
 if _WIN_PTR_ABI
     function atan(x::Float128, y::Float128)
-        r = Ref{Cloat128}()
+        r = Ref{Cfloat128}()
         ccall((:atan2q, libquadmath), Cvoid, (Ptr{Cfloat128}, Ref{Cfloat128}, Ref{Cfloat128}), r, x, y)
         Float128(r[])
     end
 
 ## misc
     function fma(x::Float128, y::Float128, z::Float128)
-        r = Ref{Cloat128}()
+        r = Ref{Cfloat128}()
         ccall((:fmaq,libquadmath), Cvoid, (Ptr{Cfloat128}, Ref{Cfloat128}, Ref{Cfloat128}, Ref{Cfloat128}), r, x, y, z)
         Float128(r[])
     end
@@ -438,15 +445,15 @@ if _WIN_PTR_ABI
 else
     if Sys.iswindows()
         function atan(x::Float128, y::Float128)
-            r = Ref{Cloat128}()
+            r = Ref{Cfloat128}()
             p = PadPtr(r)
             ccall((:atan2q, libquadmath), Cvoid,
                   (PF128, Cfloat128, Cfloat128), p, x, y)
             Float128(r[])
         end
 
         function fma(x::Float128, y::Float128, z::Float128)
-            r = Ref{Cloat128}()
+            r = Ref{Cfloat128}()
             p = PadPtr(r)
             ccall((:fmaq,libquadmath), Cvoid,
                   (PF128, Cfloat128, Cfloat128, Cfloat128), p, x, y, z)

diff --git a/test/runtests.jl b/test/runtests.jl
@@ -60,3 +60,19 @@ end
     fpart, ipart = modf(x) .+ modf(y)
     @test x+y == ipart+fpart
 end
+
+@testset "transcendental etc. calls" begin
+    # at least enough to cover all the wrapping code
+    x = sqrt(Float128(2.0))
+    xd = Float64(x)
+    @test (x^Float128(4.0)) ≈ Float128(4.0)
+    @test exp(x) ≈ exp(xd)
+    @test abs(x) == x
+    @test hypot(Float128(3),Float128(4)) == Float128(5)
+    @test atan(x,x) ≈ Float128(pi) / 4
+    @test fma(x,x,Float128(-1.0)) ≈ Float128(1)
+end
+
+if !Sys.iswindows() || (Sys.WORD_SIZE == 64)
+    include("specfun.jl")
+end
diff --git a/test/specfun.jl b/test/specfun.jl
@@ -0,0 +1,15 @@
+using SpecialFunctions
+
+@testset "special functions" begin
+    # The intention here is not to check the accuracy of the libraries,
+    # rather the sanity of library calls:
+    piq = Float128(pi)
+    halfq = Float128(0.5)
+    @test gamma(halfq) ≈ sqrt(piq)
+    for func in (erf, erfc, besselj0, besselj1, bessely0, bessely1, lgamma)
+        @test func(halfq) ≈ func(0.5)
+    end
+    for func in (bessely, besselj)
+        @test func(3,halfq) ≈ func(3,0.5)
+    end
+end