Fix compatibility with latest gonum (#1)

Co-authored-by: Juan Camilo Reyes Gutiérrez <[email protected]>

cmaesbounded.go

@@ -207,7 +207,7 @@ func (cma *CmaEsCholB) Init(dim, tasks int) int {
 	cma.mean = resize(cma.mean, dim) // mean location initialized at the start of Run
 
 	if cma.InitCholesky != nil {
-		if cma.InitCholesky.Symmetric() != dim {
+		if cma.InitCholesky.SymmetricDim() != dim {
 			panic("cma-es-chol: incorrect InitCholesky size")
 		}
 		cma.chol.Clone(cma.InitCholesky)

go.mod

@@ -1,22 +1,8 @@
 module github.com/pa-m/optimize
 
 require (
-	github.com/ajstarks/svgo v0.0.0-20190826172357-de52242f3d65 // indirect
-	github.com/fogleman/gg v1.3.0 // indirect
-	github.com/jung-kurt/gofpdf v1.10.1 // indirect
-	github.com/mgechev/revive v1.0.2 // indirect
-	github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 // indirect
-	github.com/stretchr/objx v0.2.0 // indirect
-	github.com/stretchr/testify v1.4.0 // indirect
 	golang.org/x/exp v0.0.0-20191129062945-2f5052295587
-	golang.org/x/image v0.0.0-20190902063713-cb417be4ba39 // indirect
-	golang.org/x/mobile v0.0.0-20190830201351-c6da95954960 // indirect
-	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect
-	golang.org/x/text v0.3.2 // indirect
-	gonum.org/v1/gonum v0.6.1
-	gonum.org/v1/netlib v0.0.0-20190331212654-76723241ea4e // indirect
-	gonum.org/v1/plot v0.0.0-20190615073203-9aa86143727f // indirect
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gonum.org/v1/gonum v0.11.0
 )
 
 go 1.13