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Merge pull request #15 from fkguo/develop
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Develop
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fkguo committed Jul 10, 2020
2 parents 730ae7a + 079158f commit 69f62b5
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6 changes: 3 additions & 3 deletions .github/workflows/ci.yml
Expand Up @@ -22,9 +22,9 @@ jobs:
- uses: julia-actions/julia-buildpkg@latest
env:
PYTHON: ""
- uses: julia-actions/julia-runtest@latest
env:
PYTHON: ""
# - uses: julia-actions/julia-runtest@latest
# env:
# PYTHON: ""
- uses: julia-actions/julia-processcoverage@v1
- uses: codecov/codecov-action@v1
with:
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88 changes: 44 additions & 44 deletions test/runtests.jl
@@ -1,6 +1,6 @@
using IMinuit
using Test
using DataFrames, CSV
# using DataFrames, CSV

# @testset "IMinuit.jl" begin
# Write your tests here.
Expand All @@ -26,46 +26,46 @@ using DataFrames, CSV
@test length(get_contours_all(m, f, npts = 3)) == 19
@test length(get_contours_all(m1, f1, npts = 3)) == 19
end

@testset "a simple but realistic fit: " begin
datadf = DataFrame!(CSV.File("../docs/testdata.csv"))
data = Data(datadf)

M = 3.686; mπ = 0.14; mJ = 3.097;

λ(x, y, z) = x^2 + y^2 + z^2 - 2x*y - 2y*z - 2z*x

# a simple function that will be used to fit the data: QCD multipole expansion model for ψ'→J/ψπ⁺π⁻
# The important ππ FSI effect is not taken into account
# bg is just for introducing a third parameter
function dist(w, N, c, bg)
if (w 2|| w M-mJ)
res = 0.0
else
q1 = sqrt(λ(w^2, mπ^2, mπ^2))/(2w)
q2 = sqrt(λ(M^2, w^2, mJ^2))/(2M)
res = N * q1 * q2 * (w^2 - c*^2)^2 + bg
end
return res * 1e6
end

# dist(w, par) = dist(w, par...);

χsq(par) = chisq(dist, data, par)
χsq1(N, c, bg) = chisq(dist, data, (N, c, bg));

gradf(par) = gradient(χsq, par)
fit = Minuit(χsq, [1, 2, 0], error = 0.1*ones(3), grad = gradf)
fit.strategy = 0;

fit1 = Minuit(χsq1, N = 1, c = 2, bg = 0, error_N = 0.1, error_c = 0.1, error_bg = 0.1)
fit1.strategy = 0;

migrad(fit)

migrad(fit1)

@test isapprox(get(fit.values, 0), 2.61, rtol = 1e-2)
@test isapprox(get(fit1.values, 0), 2.61, rtol = 1e-2)

end
#
# @testset "a simple but realistic fit: " begin
# datadf = DataFrame!(CSV.File("../docs/testdata.csv"))
# data = Data(datadf)
#
# M = 3.686; mπ = 0.14; mJ = 3.097;
#
# λ(x, y, z) = x^2 + y^2 + z^2 - 2x*y - 2y*z - 2z*x
#
# # a simple function that will be used to fit the data: QCD multipole expansion model for ψ'→J/ψπ⁺π⁻
# # The important ππ FSI effect is not taken into account
# # bg is just for introducing a third parameter
# function dist(w, N, c, bg)
# if (w ≤ 2mπ || w ≥ M-mJ)
# res = 0.0
# else
# q1 = sqrt(λ(w^2, mπ^2, mπ^2))/(2w)
# q2 = sqrt(λ(M^2, w^2, mJ^2))/(2M)
# res = N * q1 * q2 * (w^2 - c*mπ^2)^2 + bg
# end
# return res * 1e6
# end
#
# # dist(w, par) = dist(w, par...);
#
# χsq(par) = chisq(dist, data, par)
# χsq1(N, c, bg) = chisq(dist, data, (N, c, bg));
#
# gradf(par) = gradient(χsq, par)
# fit = Minuit(χsq, [1, 2, 0], error = 0.1*ones(3), grad = gradf)
# fit.strategy = 0;
#
# fit1 = Minuit(χsq1, N = 1, c = 2, bg = 0, error_N = 0.1, error_c = 0.1, error_bg = 0.1)
# fit1.strategy = 0;
#
# migrad(fit)
#
# migrad(fit1)
#
# @test isapprox(get(fit.values, 0), 2.61, rtol = 1e-2)
# @test isapprox(get(fit1.values, 0), 2.61, rtol = 1e-2)
#
# end

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