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diff --git a/src/lib/lapack/dlassq.f b/src/lib/lapack/dlassq.f
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--- a/src/lib/lapack/dlassq.f
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-      SUBROUTINE DLASSQ( N, X, INCX, SCALE, SUMSQ )
-*
-*  -- LAPACK auxiliary routine (version 3.1) --
-*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
-*     November 2006
-*
-*     .. Scalar Arguments ..
-      INTEGER            INCX, N
-      DOUBLE PRECISION   SCALE, SUMSQ
-*     ..
-*     .. Array Arguments ..
-      DOUBLE PRECISION   X( * )
-*     ..
-*
-*  Purpose
-*  =======
-*
-*  DLASSQ  returns the values  scl  and  smsq  such that
-*
-*     ( scl**2 )*smsq = x( 1 )**2 +...+ x( n )**2 + ( scale**2 )*sumsq,
-*
-*  where  x( i ) = X( 1 + ( i - 1 )*INCX ). The value of  sumsq  is
-*  assumed to be non-negative and  scl  returns the value
-*
-*     scl = max( scale, abs( x( i ) ) ).
-*
-*  scale and sumsq must be supplied in SCALE and SUMSQ and
-*  scl and smsq are overwritten on SCALE and SUMSQ respectively.
-*
-*  The routine makes only one pass through the vector x.
-*
-*  Arguments
-*  =========
-*
-*  N       (input) INTEGER
-*          The number of elements to be used from the vector X.
-*
-*  X       (input) DOUBLE PRECISION array, dimension (N)
-*          The vector for which a scaled sum of squares is computed.
-*             x( i )  = X( 1 + ( i - 1 )*INCX ), 1 <= i <= n.
-*
-*  INCX    (input) INTEGER
-*          The increment between successive values of the vector X.
-*          INCX > 0.
-*
-*  SCALE   (input/output) DOUBLE PRECISION
-*          On entry, the value  scale  in the equation above.
-*          On exit, SCALE is overwritten with  scl , the scaling factor
-*          for the sum of squares.
-*
-*  SUMSQ   (input/output) DOUBLE PRECISION
-*          On entry, the value  sumsq  in the equation above.
-*          On exit, SUMSQ is overwritten with  smsq , the basic sum of
-*          squares from which  scl  has been factored out.
-*
-* =====================================================================
-*
-*     .. Parameters ..
-      DOUBLE PRECISION   ZERO
-      PARAMETER          ( ZERO = 0.0D+0 )
-*     ..
-*     .. Local Scalars ..
-      INTEGER            IX
-      DOUBLE PRECISION   ABSXI
-*     ..
-*     .. Intrinsic Functions ..
-      INTRINSIC          ABS
-*     ..
-*     .. Executable Statements ..
-*
-      IF( N.GT.0 ) THEN
-         DO 10 IX = 1, 1 + ( N-1 )*INCX, INCX
-            IF( X( IX ).NE.ZERO ) THEN
-               ABSXI = ABS( X( IX ) )
-               IF( SCALE.LT.ABSXI ) THEN
-                  SUMSQ = 1 + SUMSQ*( SCALE / ABSXI )**2
-                  SCALE = ABSXI
-               ELSE
-                  SUMSQ = SUMSQ + ( ABSXI / SCALE )**2
-               END IF
-            END IF
-   10    CONTINUE
-      END IF
-      RETURN
-*
-*     End of DLASSQ
-*
-      END