update gonum version

Author: sfluor

go.mod

@@ -4,15 +4,15 @@ go 1.12
 
 require (
 	github.com/gordonklaus/portaudio v0.0.0-20180817120803-00e7307ccd93
-	github.com/inconshreveable/mousetrap v1.0.0 // indirect
-	github.com/pkg/errors v0.8.1
-	github.com/sirupsen/logrus v1.4.1
-	github.com/spf13/cobra v0.0.3
-	github.com/spf13/pflag v1.0.3 // indirect
+	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
+	github.com/pkg/errors v0.9.1
+	github.com/sirupsen/logrus v1.4.2
+	github.com/spf13/cobra v0.0.6
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.3.0
 	github.com/youpy/go-riff v0.0.0-20131220112943-557d78c11efb
 	github.com/youpy/go-wav v0.0.0-20160223082350-b63a9887d320
-	go.etcd.io/bbolt v1.3.2
-	golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a // indirect
-	gonum.org/v1/gonum v0.0.0-20190430210020-9827ae2933ff
+	go.etcd.io/bbolt v1.3.3
+	golang.org/x/sys v0.0.0-20200219091948-cb0a6d8edb6c // indirect
+	gonum.org/v1/gonum v0.0.0-20200222091724-332e2c454720
 )

go.sum

@@ -1,41 +1,184 @@
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pkg/dsp/fft.go

@@ -4,7 +4,7 @@ import (
 	"math"
 	"math/cmplx"
 
-	"gonum.org/v1/gonum/fourier"
+	"gonum.org/v1/gonum/dsp/fourier"
 )
 
 // DFT is a discrete fourier transform implementation (it is slow O(N^2))