Add dependencies for code generator

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

@@ -0,0 +1,57 @@
+// 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/blas"
+
+// Dlaset sets the off-diagonal elements of A to alpha, and the diagonal
+// elements to beta. If uplo == blas.Upper, only the elements in the upper
+// triangular part are set. If uplo == blas.Lower, only the elements in the
+// lower triangular part are set. If uplo is otherwise, all of the elements of A
+// are set.
+//
+// Dlaset is an internal routine. It is exported for testing purposes.
+func (impl Implementation) Dlaset(uplo blas.Uplo, m, n int, alpha, beta float64, a []float64, lda int) {
+	switch {
+	case m < 0:
+		panic(mLT0)
+	case n < 0:
+		panic(nLT0)
+	case lda < max(1, n):
+		panic(badLdA)
+	}
+
+	minmn := min(m, n)
+	if minmn == 0 {
+		return
+	}
+
+	if len(a) < (m-1)*lda+n {
+		panic(shortA)
+	}
+
+	if uplo == blas.Upper {
+		for i := 0; i < m; i++ {
+			for j := i + 1; j < n; j++ {
+				a[i*lda+j] = alpha
+			}
+		}
+	} else if uplo == blas.Lower {
+		for i := 0; i < m; i++ {
+			for j := 0; j < min(i+1, n); j++ {
+				a[i*lda+j] = alpha
+			}
+		}
+	} else {
+		for i := 0; i < m; i++ {
+			for j := 0; j < n; j++ {
+				a[i*lda+j] = alpha
+			}
+		}
+	}
+	for i := 0; i < minmn; i++ {
+		a[i*lda+i] = beta
+	}
+}