debug

Author: timholy

src/ufixed.jl

@@ -53,6 +53,9 @@ convert(::Type{UFixed16}, x::UFixed8) = reinterpret(UFixed16, convert(UInt16, 0x
 convert{U<:UFixed}(::Type{U}, x::Real) = _convert(U, rawtype(U), x)
 function _convert{U<:UFixed,T}(::Type{U}, ::Type{T}, x)
     y = round(widen1(rawone(U))*x)
+    if y > typemax(T)
+        @show typeof(x) y typemax(T)
+    end
     (0 <= y) & (y <= typemax(T)) || throw_converterror(U, x)
     U(_unsafe_trunc(T, y), 0)
 end

test/ufixed.jl

@@ -26,6 +26,14 @@ UF2 = (UFixed{UInt32,16}, UFixed{UInt64,3}, UFixed{UInt64,51}, UFixed{UInt128,7}
 for T in (FixedPointNumbers.UF..., UF2...)
     @test zero(T) == 0
     @test one(T) == 1
+    @show @code_llvm one(T)*one(T)
+    o = one(T)
+    p = o*o
+    @show code_llvm p == o
+    if (one(T)*one(T) != one(T))
+        @show (one(T)*one(T)).i
+        @show one(T).i
+    end
     @test one(T) * one(T) == one(T)
     @test typemin(T) == 0
     @test realmin(T) == 0