add type argument to splaplacian

2017-06-06 11:51:15 +02:00 · 2017-06-06 11:51:15 +02:00 · aa0f0f3034
parent 4f14b0eff7
commit aa0f0f3034
1 changed files with 4 additions and 4 deletions
--- a/src/sdps.jl
+++ b/src/sdps.jl
@ -13,11 +13,11 @@ function constraints_from_pm(pm, total_length=maximum(pm))
    return constraints
 end

-function splaplacian(RG::GroupRing, S, basis, n=length(basis))
-    result = RG(spzeros(n))
-    result[RG.group()] = float(length(S))
+function splaplacian(RG::GroupRing, S, basis, n=length(basis), T::Type=Int)
+    result = RG(spzeros(T, n))
+    result[RG.group()] = T(length(S))
    for s in S
-        result[s] += -1.0
+        result[s] -= one(T)
    end
    return result
 end