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Last change
on this file since 4032 was
2,
checked in by lmdz, 25 years ago
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Initial revision
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Property svn:eol-style set to
native
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Property svn:executable set to
*
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Property svn:keywords set to
Author Date Id Revision
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File size:
523 bytes
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| 1 | SUBROUTINE eigen_sort(d,v,n,np) |
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| 2 | INTEGER n,np |
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| 3 | REAL d(np),v(np,np) |
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| 4 | INTEGER i,j,k |
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| 5 | REAL p |
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| 6 | |
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| 7 | DO i=1,n-1 |
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| 8 | k=i |
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| 9 | p=d(i) |
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| 10 | DO j=i+1,n |
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| 11 | IF(d(j).ge.p) THEN |
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| 12 | k=j |
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| 13 | p=d(j) |
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| 14 | ENDIF |
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| 15 | ENDDO |
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| 16 | |
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| 17 | IF(k.ne.i) THEN |
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| 18 | d(k)=d(i) |
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| 19 | d(i)=p |
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| 20 | DO j=1,n |
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| 21 | p=v(j,i) |
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| 22 | v(j,i)=v(j,k) |
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| 23 | v(j,k)=p |
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| 24 | ENDDO |
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| 25 | ENDIF |
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| 26 | ENDDO |
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| 27 | |
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| 28 | RETURN |
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| 29 | END |
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