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authorshmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
committershmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
commit90d450f74722da7859d6f510a869f6c6908fd12f (patch)
tree538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/clapack/dzsum1.c
parent01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff)
downloadydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/dzsum1.c')
-rw-r--r--contrib/libs/clapack/dzsum1.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/contrib/libs/clapack/dzsum1.c b/contrib/libs/clapack/dzsum1.c
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+/* dzsum1.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"
+
+doublereal dzsum1_(integer *n, doublecomplex *cx, integer *incx)
+{
+ /* System generated locals */
+ integer i__1, i__2;
+ doublereal ret_val;
+
+ /* Builtin functions */
+ double z_abs(doublecomplex *);
+
+ /* Local variables */
+ integer i__, nincx;
+ doublereal stemp;
+
+
+/* -- LAPACK auxiliary routine (version 3.2) -- */
+/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/* November 2006 */
+
+/* .. Scalar Arguments .. */
+/* .. */
+/* .. Array Arguments .. */
+/* .. */
+
+/* Purpose */
+/* ======= */
+
+/* DZSUM1 takes the sum of the absolute values of a complex */
+/* vector and returns a double precision result. */
+
+/* Based on DZASUM from the Level 1 BLAS. */
+/* The change is to use the 'genuine' absolute value. */
+
+/* Contributed by Nick Higham for use with ZLACON. */
+
+/* Arguments */
+/* ========= */
+
+/* N (input) INTEGER */
+/* The number of elements in the vector CX. */
+
+/* CX (input) COMPLEX*16 array, dimension (N) */
+/* The vector whose elements will be summed. */
+
+/* INCX (input) INTEGER */
+/* The spacing between successive values of CX. INCX > 0. */
+
+/* ===================================================================== */
+
+/* .. Local Scalars .. */
+/* .. */
+/* .. Intrinsic Functions .. */
+/* .. */
+/* .. Executable Statements .. */
+
+ /* Parameter adjustments */
+ --cx;
+
+ /* Function Body */
+ ret_val = 0.;
+ stemp = 0.;
+ if (*n <= 0) {
+ return ret_val;
+ }
+ if (*incx == 1) {
+ goto L20;
+ }
+
+/* CODE FOR INCREMENT NOT EQUAL TO 1 */
+
+ nincx = *n * *incx;
+ i__1 = nincx;
+ i__2 = *incx;
+ for (i__ = 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
+
+/* NEXT LINE MODIFIED. */
+
+ stemp += z_abs(&cx[i__]);
+/* L10: */
+ }
+ ret_val = stemp;
+ return ret_val;
+
+/* CODE FOR INCREMENT EQUAL TO 1 */
+
+L20:
+ i__2 = *n;
+ for (i__ = 1; i__ <= i__2; ++i__) {
+
+/* NEXT LINE MODIFIED. */
+
+ stemp += z_abs(&cx[i__]);
+/* L30: */
+ }
+ ret_val = stemp;
+ return ret_val;
+
+/* End of DZSUM1 */
+
+} /* dzsum1_ */