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author | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 12:29:46 +0300 |
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committer | maxim-yurchuk <maxim-yurchuk@yandex-team.com> | 2024-10-09 13:14:22 +0300 |
commit | 9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80 (patch) | |
tree | a8fb3181d5947c0d78cf402aa56e686130179049 /contrib/libs/clapack/dla_wwaddw.c | |
parent | a44b779cd359f06c3ebbef4ec98c6b38609d9d85 (diff) | |
download | ydb-9731d8a4bb7ee2cc8554eaf133bb85498a4c7d80.tar.gz |
publishFullContrib: true for ydb
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commit_hash:c82a80ac4594723cebf2c7387dec9c60217f603e
Diffstat (limited to 'contrib/libs/clapack/dla_wwaddw.c')
-rw-r--r-- | contrib/libs/clapack/dla_wwaddw.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/libs/clapack/dla_wwaddw.c b/contrib/libs/clapack/dla_wwaddw.c new file mode 100644 index 0000000000..25b6e67130 --- /dev/null +++ b/contrib/libs/clapack/dla_wwaddw.c @@ -0,0 +1,80 @@ +/* dla_wwaddw.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 dla_wwaddw__(integer *n, doublereal *x, doublereal *y, + doublereal *w) +{ + /* System generated locals */ + integer i__1; + + /* Local variables */ + integer i__; + doublereal s; + + +/* -- LAPACK routine (version 3.2) -- */ +/* -- Contributed by James Demmel, Deaglan Halligan, Yozo Hida and -- */ +/* -- Jason Riedy of Univ. of California Berkeley. -- */ +/* -- November 2008 -- */ + +/* -- LAPACK is a software package provided by Univ. of Tennessee, -- */ +/* -- Univ. of California Berkeley and NAG Ltd. -- */ + +/* .. */ +/* .. Scalar Arguments .. */ +/* .. */ +/* .. Array Arguments .. */ +/* .. */ + +/* Purpose */ +/* ======= */ + +/* DLA_WWADDW adds a vector W into a doubled-single vector (X, Y). */ + +/* This works for all extant IBM's hex and binary floating point */ +/* arithmetics, but not for decimal. */ + +/* Arguments */ +/* ========= */ + +/* N (input) INTEGER */ +/* The length of vectors X, Y, and W. */ + +/* X, Y (input/output) DOUBLE PRECISION array, length N */ +/* The doubled-single accumulation vector. */ + +/* W (input) DOUBLE PRECISION array, length N */ +/* The vector to be added. */ +/* .. */ +/* .. Local Scalars .. */ +/* .. */ +/* .. Executable Statements .. */ + + /* Parameter adjustments */ + --w; + --y; + --x; + + /* Function Body */ + i__1 = *n; + for (i__ = 1; i__ <= i__1; ++i__) { + s = x[i__] + w[i__]; + s = s + s - s; + y[i__] = x[i__] - s + w[i__] + y[i__]; + x[i__] = s; +/* L10: */ + } + return 0; +} /* dla_wwaddw__ */ |