feat(modules): migrate to go modules and bump go version 1.14.4

- migrate to go module
- bump go version 1.14.4

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>

vendor/gonum.org/v1/gonum/lapack/gonum/lapack.go

@@ -0,0 +1,51 @@
+// Copyright ©2015 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package gonum
+
+import "gonum.org/v1/gonum/lapack"
+
+// Implementation is the native Go implementation of LAPACK routines. It
+// is built on top of calls to the return of blas64.Implementation(), so while
+// this code is in pure Go, the underlying BLAS implementation may not be.
+type Implementation struct{}
+
+var _ lapack.Float64 = Implementation{}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func abs(a int) int {
+	if a < 0 {
+		return -a
+	}
+	return a
+}
+
+const (
+	// dlamchE is the machine epsilon. For IEEE this is 2^{-53}.
+	dlamchE = 1.0 / (1 << 53)
+
+	// dlamchB is the radix of the machine (the base of the number system).
+	dlamchB = 2
+
+	// dlamchP is base * eps.
+	dlamchP = dlamchB * dlamchE
+
+	// dlamchS is the "safe minimum", that is, the lowest number such that
+	// 1/dlamchS does not overflow, or also the smallest normal number.
+	// For IEEE this is 2^{-1022}.
+	dlamchS = 1.0 / (1 << 256) / (1 << 256) / (1 << 256) / (1 << 254)
+)