/usr/share/julia/test/floatapprox.jl is in julia-common 0.4.7-6.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | # This file is a part of Julia. License is MIT: http://julialang.org/license
# Floating point numbers - basic tests
@test 4.00000000000001 ≈ 4.0
@test 5.0 ≈ 4.999999999999993
@test 4.000000002 ≉ 4.00300002
# Other tolerance levels
@test isapprox(4.32, 4.3; rtol=0.1, atol=0.01)
@test isapprox(1.001, 1.002; rtol=0.001, atol=0.0001)
@test !isapprox(4.5, 4.9; rtol=0.001, atol=0.001)
# Complex numbers
@test 1.0 + 1.0im ≈ 1.0 + 1.00000000000001im
@test 0.9999999999999 + 1.0im ≈ 1.0 + 1.000000000000001im
@test isapprox(0.9999 + 1.0im, 1.0 + 1.1im; rtol = 0.0001, atol=1.1)
# Complex <-> reals
@test 1.0 + 0im ≈ 1.0000000000001
@test isapprox(0.9999999999999, 1.0 + 0im)
@test !isapprox(1.0+1im, 1.000000000000001)
# Comparing NaNs
@test 4.0 ≉ NaN
@test NaN ≉ 4.0
@test complex(2.3,NaN) ≉ complex(NaN,2.3)
@test NaN ≉ NaN
@test complex(NaN,NaN) ≉ complex(NaN,NaN)
@test complex(NaN,2.3) ≉ complex(NaN,2.3)
@test complex(2.3,NaN) ≉ complex(2.3,NaN)
# Comparing Infs
@test Inf ≈ Inf
@test Inf ≉ 1
@test Inf ≉ -Inf
@test complex(0.0,Inf) ≈ complex(0.0,Inf)
@test complex(0.0,Inf) ≉ complex(0.0,-Inf)
# Tests for integers and rationals
@test isapprox(4,4)
@test isapprox(4,5; atol=1)
@test !isapprox(4,6; atol=1)
@test !isapprox(4,5)
@test isapprox(1//2+3im, 1//2+3im)
@test isapprox(1//3, 0.33333333333333333)
@test isapprox(1//3, 0.3333; rtol=0.0001, atol=0.0001)
@test isapprox(1+1im, 1im+1)
# Notably missing from this test suite at the moment
# * Tests for other magnitudes of numbers - very small, very big, and combinations of small and big
# * Tests for various odd combinations of types, e.g. isapprox(x::Integer, y::Rational)
# issue #12375:
@test !isapprox(1e17, 1)
# Tests for arrays:
@test [1,2,3] ≈ [1,2,3+1e-9]
@test [0,1] ≈ [1e-9, 1]
@test [0,Inf] ≈ [0,Inf]
@test [0,Inf] ≉ [0,-Inf]
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