source:
dynamico_lmdz/aquaplanet/LMDZ5_old/libf/filtrez/acc.F
Last change on this file was 3809, checked in by , 10 years ago | |
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File size: 448 bytes |
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1 | ! |
2 | ! $Header$ |
3 | ! |
4 | subroutine acc(vec,d,im) |
5 | implicit none |
6 | integer :: im |
7 | real :: vec(im,im),d(im) |
8 | integer :: i,j |
9 | real ::sum |
10 | real,external :: ssum |
11 | do j=1,im |
12 | do i=1,im |
13 | d(i)=vec(i,j)*vec(i,j) |
14 | enddo |
15 | sum=ssum(im,d,1) |
16 | sum=sqrt(sum) |
17 | do i=1,im |
18 | vec(i,j)=vec(i,j)/sum |
19 | enddo |
20 | enddo |
21 | return |
22 | end |
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