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simplify groupring_square

This commit is contained in:
kalmar 2017-08-04 20:33:02 +02:00
parent b97a0e30dd
commit 9ed8679c95

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@ -25,19 +25,21 @@ end
EOI{T<:Number}(Δ::GroupRingElem{T}, λ::T) = Δ*Δ - λ*Δ
function groupring_square(vect::AbstractVector, elt::GroupRingElem)
zzz = zeros(eltype(vect), length(elt.coeffs))
function groupring_square(vect::AbstractVector, l, pm)
zzz = zeros(eltype(vect), l)
zzz[1:length(vect)] .= vect
return GroupRings.mul!(similar(zzz), zzz, zzz, parent(elt).pm)
return GroupRings.mul!(similar(zzz), zzz, zzz, pm)
end
function compute_SOS(sqrt_matrix, elt)
n = size(sqrt_matrix,2)
function compute_SOS(sqrt_matrix, elt::GroupRingElem)
n = size(sqrt_matrix,2)
l = length(elt.coeffs)
pm = parent(elt).pm
result = zeros(eltype(sqrt_matrix), length(elt.coeffs))
for i in 1:n
result .+= (groupring_square(view(sqrt_matrix,:,i), elt))
end
result = zeros(eltype(sqrt_matrix), l)
for i in 1:n
result .+= groupring_square(view(sqrt_matrix,:,i), l, pm)
end
# result = @parallel (+) for i in 1:n
# groupring_square(sqrt_matrix[:,i], elt)