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trigonometric functions with risch method are working? #20

@Bumblebee00

Description

@Bumblebee00
julia> integrate(sin(x), x, RischMethod())
ERROR: base ring of domain must be domain of D
Stacktrace:
  [1] error(s::String)
    @ Base ./error.jl:35
  [2] SymbolicIntegration.ComplexExtensionDerivation(domain::AbstractAlgebra.Generic.EuclideanRingResidueField{…}, D::NullDerivation)
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/complex_fields.jl:7
  [3] Complexify(k::Nemo.QQBarField, D::NullDerivation)
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/complex_fields.jl:136
  [4] switch_t_i(K::AbstractAlgebra.Generic.EuclideanRingResidueField{…}, D::SymbolicIntegration.ComplexExtensionDerivation{…})
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/complex_fields.jl:155
  [5] InFieldLogarithmicDerivativeOfRadical(f::AbstractAlgebra.Generic.EuclideanRingResidueFieldElem{…}, D::SymbolicIntegration.ComplexExtensionDerivation{…}; expect_one::Bool)
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/complex_fields.jl:228
  [6] InFieldLogarithmicDerivativeOfRadical(f::AbstractAlgebra.Generic.EuclideanRingResidueFieldElem{…}, D::SymbolicIntegration.ComplexExtensionDerivation{…})
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/complex_fields.jl:223
  [7] TowerOfDifferentialFields(terms::Vector{SymbolicIntegration.Term})
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/frontend.jl:716
  [8] integrate_risch(f::SymbolicUtils.BasicSymbolic{…}, x::SymbolicUtils.BasicSymbolic{…}; useQQBar::Bool, catchNotImplementedError::Bool, catchAlgorithmFailedError::Bool)
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/frontend.jl:801
  [9] integrate_risch(f::Num, x::Num; kwargs::@Kwargs{useQQBar::Bool, catchNotImplementedError::Bool, catchAlgorithmFailedError::Bool})
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/frontend.jl:769
 [10] integrate_risch
    @ ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods/risch/frontend.jl:767 [inlined]
 [11] #integrate#492
    @ ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods.jl:63 [inlined]
 [12] integrate(f::Num, x::Num, method::RischMethod)
    @ SymbolicIntegration ~/.julia/dev/SymbolicIntegration.jl_official_copy/src/methods.jl:61
 [13] top-level scope
    @ REPL[21]:1
Some type information was truncated. Use `show(err)` to see complete types.


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