/[lmdze]/trunk/dyn3d/invert_zoom_x.f
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revision 149 by guez, Thu Jun 18 12:23:44 2015 UTC revision 150 by guez, Thu Jun 18 13:49:26 2015 UTC
# Line 30  contains Line 30  contains
30      DOUBLE PRECISION Y      DOUBLE PRECISION Y
31      integer i, it      integer i, it
32    
33      real xvrai(iim), Gvrai(iim)      DOUBLE PRECISION xvrai(iim), Gvrai(iim)
34      ! intermediary variables because xlon and xprim are simple precision      ! intermediary variables because xlon and xprim are simple precision
35    
36      !------------------------------------------------------------------      !------------------------------------------------------------------
# Line 48  contains Line 48  contains
48         ! Calcul de xvrai(i) et Gvrai(i)         ! Calcul de xvrai(i) et Gvrai(i)
49         CALL coefpoly(Xf(it), Xf(it + 1), G(it), G(it + 1), xtild(it), &         CALL coefpoly(Xf(it), Xf(it + 1), G(it), G(it + 1), xtild(it), &
50              xtild(it + 1))              xtild(it + 1))
51         xvrai(i) = rtsafe(funcd, real(xtild(it)), real(xtild(it + 1)), &         xvrai(i) = rtsafe(funcd, xtild(it), xtild(it + 1), xacc = 1d-6)
             xacc = 1e-6)  
52         Gvrai(i) = a1 + xvrai(i) * (2d0 * a2 + xvrai(i) * 3d0 * a3)         Gvrai(i) = a1 + xvrai(i) * (2d0 * a2 + xvrai(i) * 3d0 * a3)
53         if (y < 0d0) xvrai(i) = - xvrai(i)         if (y < 0d0) xvrai(i) = - xvrai(i)
54      end DO      end DO
# Line 72  contains Line 71  contains
71    
72      use coefpoly_m, only: a0, a1, a2, a3      use coefpoly_m, only: a0, a1, a2, a3
73    
74      REAL, INTENT(IN):: x      DOUBLE PRECISION, INTENT(IN):: x
75      REAL, INTENT(OUT):: fval, fderiv      DOUBLE PRECISION, INTENT(OUT):: fval, fderiv
76    
77      fval = a0 + x * (a1 + x * (a2 + x * a3)) - abs_y      fval = a0 + x * (a1 + x * (a2 + x * a3)) - abs_y
78      fderiv = a1 + x * (2. * a2 + x * 3. * a3)      fderiv = a1 + x * (2d0 * a2 + x * 3d0 * a3)
79    
80    END SUBROUTINE funcd    END SUBROUTINE funcd
81    
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