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author | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
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committer | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
commit | 90d450f74722da7859d6f510a869f6c6908fd12f (patch) | |
tree | 538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/clapack/zlartv.c | |
parent | 01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff) | |
download | ydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz |
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/zlartv.c')
-rw-r--r-- | contrib/libs/clapack/zlartv.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/contrib/libs/clapack/zlartv.c b/contrib/libs/clapack/zlartv.c new file mode 100644 index 0000000000..1cb3607fbc --- /dev/null +++ b/contrib/libs/clapack/zlartv.c @@ -0,0 +1,126 @@ +/* zlartv.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 zlartv_(integer *n, doublecomplex *x, integer *incx, + doublecomplex *y, integer *incy, doublereal *c__, doublecomplex *s, + integer *incc) +{ + /* System generated locals */ + integer i__1, i__2, i__3, i__4; + doublecomplex z__1, z__2, z__3, z__4; + + /* Builtin functions */ + void d_cnjg(doublecomplex *, doublecomplex *); + + /* Local variables */ + integer i__, ic, ix, iy; + doublecomplex xi, yi; + + +/* -- LAPACK auxiliary routine (version 3.2) -- */ +/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */ +/* November 2006 */ + +/* .. Scalar Arguments .. */ +/* .. */ +/* .. Array Arguments .. */ +/* .. */ + +/* Purpose */ +/* ======= */ + +/* ZLARTV applies a vector of complex plane rotations with real cosines */ +/* to elements of the complex vectors x and y. For i = 1,2,...,n */ + +/* ( x(i) ) := ( c(i) s(i) ) ( x(i) ) */ +/* ( y(i) ) ( -conjg(s(i)) c(i) ) ( y(i) ) */ + +/* Arguments */ +/* ========= */ + +/* N (input) INTEGER */ +/* The number of plane rotations to be applied. */ + +/* X (input/output) COMPLEX*16 array, dimension (1+(N-1)*INCX) */ +/* The vector x. */ + +/* INCX (input) INTEGER */ +/* The increment between elements of X. INCX > 0. */ + +/* Y (input/output) COMPLEX*16 array, dimension (1+(N-1)*INCY) */ +/* The vector y. */ + +/* INCY (input) INTEGER */ +/* The increment between elements of Y. INCY > 0. */ + +/* C (input) DOUBLE PRECISION array, dimension (1+(N-1)*INCC) */ +/* The cosines of the plane rotations. */ + +/* S (input) COMPLEX*16 array, dimension (1+(N-1)*INCC) */ +/* The sines of the plane rotations. */ + +/* INCC (input) INTEGER */ +/* The increment between elements of C and S. INCC > 0. */ + +/* ===================================================================== */ + +/* .. Local Scalars .. */ +/* .. */ +/* .. Intrinsic Functions .. */ +/* .. */ +/* .. Executable Statements .. */ + + /* Parameter adjustments */ + --s; + --c__; + --y; + --x; + + /* Function Body */ + ix = 1; + iy = 1; + ic = 1; + i__1 = *n; + for (i__ = 1; i__ <= i__1; ++i__) { + i__2 = ix; + xi.r = x[i__2].r, xi.i = x[i__2].i; + i__2 = iy; + yi.r = y[i__2].r, yi.i = y[i__2].i; + i__2 = ix; + i__3 = ic; + z__2.r = c__[i__3] * xi.r, z__2.i = c__[i__3] * xi.i; + i__4 = ic; + z__3.r = s[i__4].r * yi.r - s[i__4].i * yi.i, z__3.i = s[i__4].r * + yi.i + s[i__4].i * yi.r; + z__1.r = z__2.r + z__3.r, z__1.i = z__2.i + z__3.i; + x[i__2].r = z__1.r, x[i__2].i = z__1.i; + i__2 = iy; + i__3 = ic; + z__2.r = c__[i__3] * yi.r, z__2.i = c__[i__3] * yi.i; + d_cnjg(&z__4, &s[ic]); + z__3.r = z__4.r * xi.r - z__4.i * xi.i, z__3.i = z__4.r * xi.i + + z__4.i * xi.r; + z__1.r = z__2.r - z__3.r, z__1.i = z__2.i - z__3.i; + y[i__2].r = z__1.r, y[i__2].i = z__1.i; + ix += *incx; + iy += *incy; + ic += *incc; +/* L10: */ + } + return 0; + +/* End of ZLARTV */ + +} /* zlartv_ */ |