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All rights reserved.\n+// Use of this source code is governed by a BSD-style\n+// license that can be found in the LICENSE file.\n+\n+package native\n+\n+import (\n+\t\"math\"\n+\n+\t\"github.com/gonum/lapack\"\n+)\n+\n+// Dsterf computes all eigenvalues of a symmetric tridiagonal matrix using the\n+// Pal-Walker-Kahan variant of the QL or QR algorithm.\n+//\n+// d contains the diagonal elements of the tridiagonal on entry, and contains 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