all: fix up missing or malformatted package doc comments
MODIFY
blas/gonum/doc.go
blas/gonum/doc.go
// Ensure changes made to blas/native are reflected in blas/cgo where relevant.
/*
-Package native is a Go implementation of the BLAS API. This implementation
+Package gonum is a Go implementation of the BLAS API. This implementation
panics when the input arguments are invalid as per the standard, for example
if a vector increment is zero. Note that the treatment of NaN values
is not specified, and differs among the BLAS implementations.

MODIFY
fourier/doc.go
fourier/doc.go
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// Package fourier provides functions to perform fourier transforms.
+// Package fourier provides functions to perform Discrete Fourier Transforms.
package fourier // import "gonum.org/v1/gonum/fourier"

MODIFY
lapack/lapack.go
lapack/lapack.go
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-package lapack // import "gonum.org/v1/gonum/lapack"
+package lapack
import "gonum.org/v1/gonum/blas"

MODIFY
mathext/internal/amos/doc.go
mathext/internal/amos/doc.go
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// package amos implements functions originally in the Netlab code by Donald Amos.
+// Package amos implements functions originally in the Netlib code by Donald Amos.
package amos // import "gonum.org/v1/gonum/mathext/internal/amos"

MODIFY
mathext/internal/gonum/doc.go
mathext/internal/gonum/doc.go
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// package gonum contains functions implemented by the gonum team. It is here to
-// avoid circular imports and/or double coding of functions.
+// Package gonum contains functions implemented by the gonum team.
+// It is here to avoid circular imports and/or double coding of functions.
package gonum // import "gonum.org/v1/gonum/mathext/internal/gonum"

all: fix up missing or malformatted package doc comments