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author | yash1112 | 2017-07-07 21:20:49 +0530 |
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committer | yash1112 | 2017-07-07 21:20:49 +0530 |
commit | 9e5793a7b05b23e6044a6d7a9ddd5db39ba375f0 (patch) | |
tree | f50d6e06d8fe6bc1a9053ef10d4b4d857800ab51 /2.3-1/src/fortran/blas/zcopy.f | |
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sci2c arduino updated
Diffstat (limited to '2.3-1/src/fortran/blas/zcopy.f')
-rw-r--r-- | 2.3-1/src/fortran/blas/zcopy.f | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/2.3-1/src/fortran/blas/zcopy.f b/2.3-1/src/fortran/blas/zcopy.f new file mode 100644 index 00000000..9ccfa880 --- /dev/null +++ b/2.3-1/src/fortran/blas/zcopy.f @@ -0,0 +1,33 @@ + subroutine zcopy(n,zx,incx,zy,incy) +c +c copies a vector, x, to a vector, y. +c jack dongarra, linpack, 4/11/78. +c modified 12/3/93, array(1) declarations changed to array(*) +c + double complex zx(*),zy(*) + 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 +c not equal 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 + zy(iy) = zx(ix) + 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 + zy(i) = zx(i) + 30 continue + return + end |