30 |
DOUBLE PRECISION Y |
DOUBLE PRECISION Y |
31 |
integer i, it |
integer i, it |
32 |
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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 |
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36 |
!------------------------------------------------------------------ |
!------------------------------------------------------------------ |
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) |
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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 |
71 |
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72 |
use coefpoly_m, only: a0, a1, a2, a3 |
use coefpoly_m, only: a0, a1, a2, a3 |
73 |
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74 |
REAL, INTENT(IN):: x |
DOUBLE PRECISION, INTENT(IN):: x |
75 |
REAL, INTENT(OUT):: fval, fderiv |
DOUBLE PRECISION, INTENT(OUT):: fval, fderiv |
76 |
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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 |
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80 |
END SUBROUTINE funcd |
END SUBROUTINE funcd |
81 |
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