[] add metering mode to CLI

1 files changed, 239 insertions, 0 deletions

diff --git a/contrib/libs/clapack/slasq5.c b/contrib/libs/clapack/slasq5.c
new file mode 100644
index 0000000000..4faff01127
--- /dev/null
+++ b/contrib/libs/clapack/slasq5.c
@@ -0,0 +1,239 @@
+/* slasq5.f -- translated by f2c (version 20061008).
+   You must link the resulting object file with libf2c:
+	on Microsoft Windows system, link with libf2c.lib;
+	on Linux or Unix systems, link with .../path/to/libf2c.a -lm
+	or, if you install libf2c.a in a standard place, with -lf2c -lm
+	-- in that order, at the end of the command line, as in
+		cc *.o -lf2c -lm
+	Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
+
+		http://www.netlib.org/f2c/libf2c.zip
+*/
+
+#include "f2c.h"
+#include "blaswrap.h"
+
+/* Subroutine */ int slasq5_(integer *i0, integer *n0, real *z__, integer *pp, 
+	 real *tau, real *dmin__, real *dmin1, real *dmin2, real *dn, real *
+	dnm1, real *dnm2, logical *ieee)
+{
+    /* System generated locals */
+    integer i__1;
+    real r__1, r__2;
+
+    /* Local variables */
+    real d__;
+    integer j4, j4p2;
+    real emin, temp;
+
+
+/*  -- LAPACK routine (version 3.2)                                    -- */
+
+/*  -- Contributed by Osni Marques of the Lawrence Berkeley National   -- */
+/*  -- Laboratory and Beresford Parlett of the Univ. of California at  -- */
+/*  -- Berkeley                                                        -- */
+/*  -- November 2008                                                   -- */
+
+/*  -- LAPACK is a software package provided by Univ. of Tennessee,    -- */
+/*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  SLASQ5 computes one dqds transform in ping-pong form, one */
+/*  version for IEEE machines another for non IEEE machines. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  I0    (input) INTEGER */
+/*        First index. */
+
+/*  N0    (input) INTEGER */
+/*        Last index. */
+
+/*  Z     (input) REAL array, dimension ( 4*N ) */
+/*        Z holds the qd array. EMIN is stored in Z(4*N0) to avoid */
+/*        an extra argument. */
+
+/*  PP    (input) INTEGER */
+/*        PP=0 for ping, PP=1 for pong. */
+
+/*  TAU   (input) REAL */
+/*        This is the shift. */
+
+/*  DMIN  (output) REAL */
+/*        Minimum value of d. */
+
+/*  DMIN1 (output) REAL */
+/*        Minimum value of d, excluding D( N0 ). */
+
+/*  DMIN2 (output) REAL */
+/*        Minimum value of d, excluding D( N0 ) and D( N0-1 ). */
+
+/*  DN    (output) REAL */
+/*        d(N0), the last value of d. */
+
+/*  DNM1  (output) REAL */
+/*        d(N0-1). */
+
+/*  DNM2  (output) REAL */
+/*        d(N0-2). */
+
+/*  IEEE  (input) LOGICAL */
+/*        Flag for IEEE or non IEEE arithmetic. */
+
+/*  ===================================================================== */
+
+/*     .. Parameter .. */
+/*     .. */
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. Intrinsic Functions .. */
+/*     .. */
+/*     .. Executable Statements .. */
+
+    /* Parameter adjustments */
+    --z__;
+
+    /* Function Body */
+    if (*n0 - *i0 - 1 <= 0) {
+	return 0;
+    }
+
+    j4 = (*i0 << 2) + *pp - 3;
+    emin = z__[j4 + 4];
+    d__ = z__[j4] - *tau;
+    *dmin__ = d__;
+    *dmin1 = -z__[j4];
+
+    if (*ieee) {
+
+/*        Code for IEEE arithmetic. */
+
+	if (*pp == 0) {
+	    i__1 = *n0 - 3 << 2;
+	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
+		z__[j4 - 2] = d__ + z__[j4 - 1];
+		temp = z__[j4 + 1] / z__[j4 - 2];
+		d__ = d__ * temp - *tau;
+		*dmin__ = dmin(*dmin__,d__);
+		z__[j4] = z__[j4 - 1] * temp;
+/* Computing MIN */
+		r__1 = z__[j4];
+		emin = dmin(r__1,emin);
+/* L10: */
+	    }
+	} else {
+	    i__1 = *n0 - 3 << 2;
+	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
+		z__[j4 - 3] = d__ + z__[j4];
+		temp = z__[j4 + 2] / z__[j4 - 3];
+		d__ = d__ * temp - *tau;
+		*dmin__ = dmin(*dmin__,d__);
+		z__[j4 - 1] = z__[j4] * temp;
+/* Computing MIN */
+		r__1 = z__[j4 - 1];
+		emin = dmin(r__1,emin);
+/* L20: */
+	    }
+	}
+
+/*        Unroll last two steps. */
+
+	*dnm2 = d__;
+	*dmin2 = *dmin__;
+	j4 = (*n0 - 2 << 2) - *pp;
+	j4p2 = j4 + (*pp << 1) - 1;
+	z__[j4 - 2] = *dnm2 + z__[j4p2];
+	z__[j4] = z__[j4p2 + 2] * (z__[j4p2] / z__[j4 - 2]);
+	*dnm1 = z__[j4p2 + 2] * (*dnm2 / z__[j4 - 2]) - *tau;
+	*dmin__ = dmin(*dmin__,*dnm1);
+
+	*dmin1 = *dmin__;
+	j4 += 4;
+	j4p2 = j4 + (*pp << 1) - 1;
+	z__[j4 - 2] = *dnm1 + z__[j4p2];
+	z__[j4] = z__[j4p2 + 2] * (z__[j4p2] / z__[j4 - 2]);
+	*dn = z__[j4p2 + 2] * (*dnm1 / z__[j4 - 2]) - *tau;
+	*dmin__ = dmin(*dmin__,*dn);
+
+    } else {
+
+/*        Code for non IEEE arithmetic. */
+
+	if (*pp == 0) {
+	    i__1 = *n0 - 3 << 2;
+	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
+		z__[j4 - 2] = d__ + z__[j4 - 1];
+		if (d__ < 0.f) {
+		    return 0;
+		} else {
+		    z__[j4] = z__[j4 + 1] * (z__[j4 - 1] / z__[j4 - 2]);
+		    d__ = z__[j4 + 1] * (d__ / z__[j4 - 2]) - *tau;
+		}
+		*dmin__ = dmin(*dmin__,d__);
+/* Computing MIN */
+		r__1 = emin, r__2 = z__[j4];
+		emin = dmin(r__1,r__2);
+/* L30: */
+	    }
+	} else {
+	    i__1 = *n0 - 3 << 2;
+	    for (j4 = *i0 << 2; j4 <= i__1; j4 += 4) {
+		z__[j4 - 3] = d__ + z__[j4];
+		if (d__ < 0.f) {
+		    return 0;
+		} else {
+		    z__[j4 - 1] = z__[j4 + 2] * (z__[j4] / z__[j4 - 3]);
+		    d__ = z__[j4 + 2] * (d__ / z__[j4 - 3]) - *tau;
+		}
+		*dmin__ = dmin(*dmin__,d__);
+/* Computing MIN */
+		r__1 = emin, r__2 = z__[j4 - 1];
+		emin = dmin(r__1,r__2);
+/* L40: */
+	    }
+	}
+
+/*        Unroll last two steps. */
+
+	*dnm2 = d__;
+	*dmin2 = *dmin__;
+	j4 = (*n0 - 2 << 2) - *pp;
+	j4p2 = j4 + (*pp << 1) - 1;
+	z__[j4 - 2] = *dnm2 + z__[j4p2];
+	if (*dnm2 < 0.f) {
+	    return 0;
+	} else {
+	    z__[j4] = z__[j4p2 + 2] * (z__[j4p2] / z__[j4 - 2]);
+	    *dnm1 = z__[j4p2 + 2] * (*dnm2 / z__[j4 - 2]) - *tau;
+	}
+	*dmin__ = dmin(*dmin__,*dnm1);
+
+	*dmin1 = *dmin__;
+	j4 += 4;
+	j4p2 = j4 + (*pp << 1) - 1;
+	z__[j4 - 2] = *dnm1 + z__[j4p2];
+	if (*dnm1 < 0.f) {
+	    return 0;
+	} else {
+	    z__[j4] = z__[j4p2 + 2] * (z__[j4p2] / z__[j4 - 2]);
+	    *dn = z__[j4p2 + 2] * (*dnm1 / z__[j4 - 2]) - *tau;
+	}
+	*dmin__ = dmin(*dmin__,*dn);
+
+    }
+
+    z__[j4 + 2] = *dn;
+    z__[(*n0 << 2) - *pp] = emin;
+    return 0;
+
+/*     End of SLASQ5 */
+
+} /* slasq5_ */