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Diffstat (limited to 'src/lib/blas/drot.f')
-rw-r--r-- | src/lib/blas/drot.f | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/src/lib/blas/drot.f b/src/lib/blas/drot.f deleted file mode 100644 index b9ea3bd9..00000000 --- a/src/lib/blas/drot.f +++ /dev/null @@ -1,37 +0,0 @@ - subroutine drot (n,dx,incx,dy,incy,c,s) -c -c applies a plane rotation. -c jack dongarra, linpack, 3/11/78. -c modified 12/3/93, array(1) declarations changed to array(*) -c - double precision dx(*),dy(*),dtemp,c,s - integer i,incx,incy,ix,iy,n -c - if(n.le.0)return - if(incx.eq.1.and.incy.eq.1)go to 20 -c -c code for unequal increments or equal increments not equal -c to 1 -c - ix = 1 - iy = 1 - if(incx.lt.0)ix = (-n+1)*incx + 1 - if(incy.lt.0)iy = (-n+1)*incy + 1 - do 10 i = 1,n - dtemp = c*dx(ix) + s*dy(iy) - dy(iy) = c*dy(iy) - s*dx(ix) - dx(ix) = dtemp - ix = ix + incx - iy = iy + incy - 10 continue - return -c -c code for both increments equal to 1 -c - 20 do 30 i = 1,n - dtemp = c*dx(i) + s*dy(i) - dy(i) = c*dy(i) - s*dx(i) - dx(i) = dtemp - 30 continue - return - end |