Added more constructors with more convenient default arguments

Author: j-fu

src/extendable.jl

@@ -24,10 +24,48 @@ end
 $(TYPEDSIGNATURES)
 
 Create empty ExtendablSparseMatrix.
+"""
+function ExtendableSparseMatrix{Tv,Ti}(m::Integer, n::Integer) where{Tv,Ti<:Integer}
+    ExtendableSparseMatrix{Tv,Ti}(spzeros(Tv,Ti,m,n),nothing)
+end
+
+"""
+$(TYPEDSIGNATURES)
+
+Create empty ExtendablSparseMatrix.
+"""
+function ExtendableSparseMatrix(::Type{Tv},::Type{Ti},m::Integer, n::Integer) where{Tv,Ti<:Integer}
+    ExtendableSparseMatrix{Tv,Ti}(m,n)
+end
+
+"""
+$(TYPEDSIGNATURES)
+
+Create empty ExtendablSparseMatrix.
+This is a pendant to spzeros.
+"""
+ExtendableSparseMatrix(::Type{Tv},m::Integer, n::Integer) where{Tv}=ExtendableSparseMatrix{Tv,Int}(m,n)
+
+
+"""
+$(TYPEDSIGNATURES)
 
+Create empty ExtendablSparseMatrix.
 This is a pendant to spzeros.
 """
-ExtendableSparseMatrix{Tv,Ti}(m::Integer, n::Integer) where{Tv,Ti<:Integer}=ExtendableSparseMatrix{Tv,Ti}(spzeros(Tv,Ti,m,n),nothing)
+ExtendableSparseMatrix(m::Integer, n::Integer)=ExtendableSparseMatrix{Float64,Int}(m,n)
+
+
+"""
+$(TYPEDSIGNATURES)
+
+  Create ExtendablSparseMatrix from sparse matrix
+"""
+function ExtendableSparseMatrix(M::SparseMatrixCSC{Tv,Ti}) where{Tv,Ti<:Integer}
+    return ExtendableSparseMatrix{Tv,Ti}(M, nothing)
+end
+
+
 
 
 """

test/ExtendableSparseTest.jl

@@ -62,7 +62,20 @@ function benchmark(;n=10000,m=10000,nnz=50000)
         sprand!(xextmat,nnz)
         @inbounds flush!(xextmat)
     end
+    true
 end
 
+function constructors()
+    println("Constructors:")
+    m1=ExtendableSparseMatrix(10,10)
+    m2=ExtendableSparseMatrix(Float16,10,10)
+    m3=ExtendableSparseMatrix(Float32,Int16,10,10)
 
+    csc=sprand(10,10,0.1)
+    m4=ExtendableSparseMatrix(csc)
+    sprand!(m4,6)
+    flush!(m4)
+    
+    true
+end
 end

test/runtests.jl

@@ -1,11 +1,13 @@
 using Test
 include("ExtendableSparseTest.jl")
 
-ExtendableSparseTest.benchmark()
+
+@test ExtendableSparseTest.constructors()
+@test ExtendableSparseTest.benchmark()
 
 
 @time begin
-    
+
 
     @test ExtendableSparseTest.check(m=10,n=10,nnz=5)
     @test ExtendableSparseTest.check(m=100,n=100,nnz=500,nsplice=2)