[] add metering mode to CLI

1 files changed, 134 insertions, 0 deletions

diff --git a/contrib/libs/clapack/csrscl.c b/contrib/libs/clapack/csrscl.c
new file mode 100644
index 0000000000..c940703a26
--- /dev/null
+++ b/contrib/libs/clapack/csrscl.c
@@ -0,0 +1,134 @@
+/* csrscl.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 csrscl_(integer *n, real *sa, complex *sx, integer *incx)
+{
+    real mul, cden;
+    logical done;
+    real cnum, cden1, cnum1;
+    extern /* Subroutine */ int slabad_(real *, real *);
+    extern doublereal slamch_(char *);
+    extern /* Subroutine */ int csscal_(integer *, real *, complex *, integer 
+	    *);
+    real bignum, smlnum;
+
+
+/*  -- LAPACK auxiliary routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  CSRSCL multiplies an n-element complex vector x by the real scalar */
+/*  1/a.  This is done without overflow or underflow as long as */
+/*  the final result x/a does not overflow or underflow. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  N       (input) INTEGER */
+/*          The number of components of the vector x. */
+
+/*  SA      (input) REAL */
+/*          The scalar a which is used to divide each component of x. */
+/*          SA must be >= 0, or the subroutine will divide by zero. */
+
+/*  SX      (input/output) COMPLEX array, dimension */
+/*                         (1+(N-1)*abs(INCX)) */
+/*          The n-element vector x. */
+
+/*  INCX    (input) INTEGER */
+/*          The increment between successive values of the vector SX. */
+/*          > 0:  SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i),     1< i<= n */
+
+/* ===================================================================== */
+
+/*     .. Parameters .. */
+/*     .. */
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. External Functions .. */
+/*     .. */
+/*     .. External Subroutines .. */
+/*     .. */
+/*     .. Intrinsic Functions .. */
+/*     .. */
+/*     .. Executable Statements .. */
+
+/*     Quick return if possible */
+
+    /* Parameter adjustments */
+    --sx;
+
+    /* Function Body */
+    if (*n <= 0) {
+	return 0;
+    }
+
+/*     Get machine parameters */
+
+    smlnum = slamch_("S");
+    bignum = 1.f / smlnum;
+    slabad_(&smlnum, &bignum);
+
+/*     Initialize the denominator to SA and the numerator to 1. */
+
+    cden = *sa;
+    cnum = 1.f;
+
+L10:
+    cden1 = cden * smlnum;
+    cnum1 = cnum / bignum;
+    if (dabs(cden1) > dabs(cnum) && cnum != 0.f) {
+
+/*        Pre-multiply X by SMLNUM if CDEN is large compared to CNUM. */
+
+	mul = smlnum;
+	done = FALSE_;
+	cden = cden1;
+    } else if (dabs(cnum1) > dabs(cden)) {
+
+/*        Pre-multiply X by BIGNUM if CDEN is small compared to CNUM. */
+
+	mul = bignum;
+	done = FALSE_;
+	cnum = cnum1;
+    } else {
+
+/*        Multiply X by CNUM / CDEN and return. */
+
+	mul = cnum / cden;
+	done = TRUE_;
+    }
+
+/*     Scale the vector X by MUL */
+
+    csscal_(n, &mul, &sx[1], incx);
+
+    if (! done) {
+	goto L10;
+    }
+
+    return 0;
+
+/*     End of CSRSCL */
+
+} /* csrscl_ */