/[lmdze]/trunk/filtrez/inifgn.f
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revision 154 by guez, Tue Jul 7 17:49:23 2015 UTC revision 161 by guez, Fri Jul 24 14:27:59 2015 UTC
# Line 35  contains Line 35  contains
35    
36      ! Local:      ! Local:
37    
38      REAL a(iim, iim) ! second derivative, symmetric, elements are angle^{-2}      REAL delta(iim, iim) ! second derivative, symmetric, elements are angle^{-2}
39    
40      REAL deriv_u(iim, iim), deriv_v(iim, iim)      REAL deriv_u(iim, iim), deriv_v(iim, iim)
41      ! first derivative at u and v longitudes, elements are angle^{-1}      ! first derivative at u and v longitudes, elements are angle^{-1}
# Line 59  contains Line 59  contains
59    
60      deriv_v = - transpose(deriv_u)      deriv_v = - transpose(deriv_u)
61    
62      a = matmul(deriv_v, deriv_u) ! second derivative at v longitudes      delta = matmul(deriv_v, deriv_u) ! second derivative at v longitudes
63      CALL jacobi(a, eignval_v, eignfnv)      CALL jacobi(delta, eignval_v, eignfnv)
64      CALL acc(eignfnv)      CALL acc(eignfnv)
65      CALL eigsrt(eignval_v, eignfnv)      CALL eigsrt(eignval_v, eignfnv)
66    
67      a = matmul(deriv_u, deriv_v) ! second derivative at u longitudes      delta = matmul(deriv_u, deriv_v) ! second derivative at u longitudes
68      CALL jacobi(a, eignval_u, eignfnu)      CALL jacobi(delta, eignval_u, eignfnu)
69      CALL acc(eignfnu)      CALL acc(eignfnu)
70      CALL eigsrt(eignval_u, eignfnu)      CALL eigsrt(eignval_u, eignfnu)
71    
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