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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /vo/votools/gasplib/varsvd.f | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'vo/votools/gasplib/varsvd.f')
| -rw-r--r-- | vo/votools/gasplib/varsvd.f | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/vo/votools/gasplib/varsvd.f b/vo/votools/gasplib/varsvd.f new file mode 100644 index 00000000..81e800f3 --- /dev/null +++ b/vo/votools/gasplib/varsvd.f @@ -0,0 +1,21 @@ + subroutine varsvd (v,ma,w,cvm,ncvm) + parameter (mmax=20) + real*8 v(ma,ma),w(ma),cvm(ncvm,ncvm),wti(mmax) + real*8 sum + + do i=1,ma + wti(i)=0. + if(w(i).ne.0.0d0) wti(i)=1./(w(i)*w(i)) + enddo + do i=1,ma + do j=1,i + sum=0. + do k=1,ma + sum=sum+v(i,k)*v(j,k)*wti(k) + enddo + cvm(i,j)=sum + cvm(j,i)=sum + enddo + enddo + return + end |