kalmar/GroupRings.jl
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Revert "add mul! and addeq! for MatrixSpace construction"

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This reverts commit 5fb131c390.
This commit is contained in:
kalmar 2017-07-10 19:29:53 +02:00
parent 56a0964f30
commit 63b4a0594f
1 changed files with 4 additions and 16 deletions
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src/GroupRings.jl
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@ -1,7 +1,7 @@
module GroupRings
using Nemo
import Nemo: Group, GroupElem, Ring, RingElem, parent, elem_type, parent_type, mul!, addeq!
import Nemo: Group, GroupElem, Ring, RingElem, parent, elem_type, parent_type
import Base: convert, show, hash, ==, +, -, *, //, /, length, norm, rationalize, deepcopy_internal, getindex, setindex!, eltype, one, zero
@ -285,13 +285,6 @@ end
#
###############################################################################
function addeq!{T}(X::GroupRingElem{T}, Y::GroupRingElem{T})
parent(X) == parent(Y) || throw(ArgumentError(
"Elements don't seem to belong to the same Group Ring!"))
X.coeffs .+= Y.coeffs
return X
end
function add{T<:Number}(X::GroupRingElem{T}, Y::GroupRingElem{T})
parent(X) == parent(Y) || throw(ArgumentError(
"Elements don't seem to belong to the same Group Ring!"))
@ -309,7 +302,7 @@ end
(+)(X::GroupRingElem, Y::GroupRingElem) = add(X,Y)
(-)(X::GroupRingElem, Y::GroupRingElem) = add(X,-Y)
function mul!{T}(X::AbstractVector{T}, Y::AbstractVector{T},
function mul!{T<:Number}(X::AbstractVector{T}, Y::AbstractVector{T},
pm::Array{Int,2}, result::AbstractVector{T})
for (j,y) in enumerate(Y)
if y != zero(eltype(Y))
@ -323,11 +316,6 @@ function mul!{T}(X::AbstractVector{T}, Y::AbstractVector{T},
end
end
function mul!(result::GroupRingElem, X::GroupRingElem, Y::GroupRingElem)
mul!(X.coeffs, Y.coeffs, parent(X).pm, result.coeffs)
return result
end
function mul{T<:Number}(X::AbstractVector{T}, Y::AbstractVector{T},
pm::Array{Int,2})
result = zeros(X)
@ -337,8 +325,8 @@ end
function mul(X::AbstractVector, Y::AbstractVector, pm::Array{Int,2})
T = promote_type(eltype(X), eltype(Y))
result = zeros(T, X)
mul!(Vector{T}(X), Vector{T}(Y), pm, result)
result = zeros(T, deepcopy(X))
mul!(X, Y, pm, result)
return result
end