#include "blaswrap.h" /* slartv.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" /* Subroutine */ int slartv_(integer *n, real *x, integer *incx, real *y, integer *incy, real *c__, real *s, integer *incc) { /* System generated locals */ integer i__1; /* Local variables */ static integer i__, ic, ix, iy; static real xi, yi; /* -- LAPACK auxiliary routine (version 3.1) -- Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. November 2006 Purpose ======= SLARTV applies a vector of real plane rotations to elements of the real vectors x and y. For i = 1,2,...,n ( x(i) ) := ( c(i) s(i) ) ( x(i) ) ( y(i) ) ( -s(i) c(i) ) ( y(i) ) Arguments ========= N (input) INTEGER The number of plane rotations to be applied. X (input/output) REAL array, dimension (1+(N-1)*INCX) The vector x. INCX (input) INTEGER The increment between elements of X. INCX > 0. Y (input/output) REAL array, dimension (1+(N-1)*INCY) The vector y. INCY (input) INTEGER The increment between elements of Y. INCY > 0. C (input) REAL array, dimension (1+(N-1)*INCC) The cosines of the plane rotations. S (input) REAL 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. ===================================================================== Parameter adjustments */ --s; --c__; --y; --x; /* Function Body */ ix = 1; iy = 1; ic = 1; i__1 = *n; for (i__ = 1; i__ <= i__1; ++i__) { xi = x[ix]; yi = y[iy]; x[ix] = c__[ic] * xi + s[ic] * yi; y[iy] = c__[ic] * yi - s[ic] * xi; ix += *incx; iy += *incy; ic += *incc; /* L10: */ } return 0; /* End of SLARTV */ } /* slartv_ */