Add: julia-0.6.2

Former-commit-id: ccc667cf67d569f3fb3df39aa57c2134755a7551

julia-0.6.2/share/julia/test/floatfuncs.jl

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+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
+using Base.Test
+
+# test the basic floating point functions
+
+# flipsign
+
+for elty in (Float32,Float64)
+    x = convert(elty,-2.0)
+    x = flipsign(x,-1.0)
+    @test flipsign(x,big(-1.0)) == convert(elty,-2.0)
+end
+
+# maxintfloat
+
+@test maxintfloat(Float16) === Float16(2048f0)
+for elty in (Float16,Float32,Float64)
+    @test maxintfloat(rand(elty)) === maxintfloat(elty)
+end
+@test maxintfloat() === maxintfloat(Float64)
+@test maxintfloat(Float64, Int32) === 2147483647.0
+@test maxintfloat(Float32, Int32) === maxintfloat(Float32)
+@test maxintfloat(Float64, Int16) === 32767.0
+@test maxintfloat(Float64, Int64) === maxintfloat(Float64)
+
+# isinteger
+for elty in (Float16,Float32,Float64)
+    @test !isinteger(elty(1.2))
+    @test isinteger(elty(12))
+    @test isinteger(zero(elty))
+    @test isinteger(-zero(elty))
+    @test !isinteger(nextfloat(zero(elty)))
+    @test !isinteger(prevfloat(zero(elty)))
+    @test isinteger(maxintfloat(elty))
+    @test isinteger(-maxintfloat(elty))
+    @test !isinteger(elty(Inf))
+    @test !isinteger(-elty(Inf))
+    @test !isinteger(elty(NaN))
+end
+
+# num2hex, hex2num
+for elty in (Float16,Float32,Float64), _ = 1:10
+    x = rand(elty)
+    @test hex2num(num2hex(x)) ≈ x
+end
+
+# round
+for elty in (Float32,Float64)
+    x = rand(elty)
+    A = fill(x,(10,10))
+    @test round.(A,RoundToZero) == fill(trunc(x),(10,10))
+    @test round.(A,RoundUp) == fill(ceil(x),(10,10))
+    @test round.(A,RoundDown) == fill(floor(x),(10,10))
+    A = fill(x,(10,10,10))
+    @test round.(A,RoundToZero) == fill(trunc(x),(10,10,10))
+    @test round.(A,RoundUp) == fill(ceil(x),(10,10,10))
+    @test round.(A,RoundDown) == fill(floor(x),(10,10,10))
+    for elty2 in (Int32,Int64)
+        A = fill(x,(10,))
+        @test round.(elty2,A,RoundToZero) == fill(trunc(elty2,x),(10,))
+        @test round.(elty2,A,RoundUp) == fill(ceil(elty2,x),(10,))
+        @test round.(elty2,A,RoundDown) == fill(floor(elty2,x),(10,))
+        A = fill(x,(10,10))
+        @test round.(elty2,A,RoundToZero) == fill(trunc(elty2,x),(10,10))
+        @test round.(elty2,A,RoundUp) == fill(ceil(elty2,x),(10,10))
+        @test round.(elty2,A,RoundDown) == fill(floor(elty2,x),(10,10))
+        A = fill(x,(10,10,10))
+        @test round.(elty2,A,RoundToZero) == fill(trunc(elty2,x),(10,10,10))
+        @test round.(elty2,A,RoundUp) == fill(ceil(elty2,x),(10,10,10))
+        @test round.(elty2,A,RoundDown) == fill(floor(elty2,x),(10,10,10))
+        @test round.(elty2,A) == fill(round(elty2,x),(10,10,10))
+    end
+end