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! Local: |
! Local: |
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29 |
DOUBLE PRECISION xo1, Xfi, xi, a0, a1, a2, a3, Xf1, Xprimin, xi2 |
DOUBLE PRECISION xo1, Xfi, xi, a0, a1, a2, a3, Xf1, Xprimin |
30 |
integer ii1, ii2, i, it, iter, idif, ii |
integer ii1, ii2, i, it, iter, idif, ii |
31 |
DOUBLE PRECISION, parameter:: my_eps = 1e-3 |
DOUBLE PRECISION, parameter:: my_eps = 1e-6 |
32 |
DOUBLE PRECISION xxprim(iim + 1), xvrai(iim + 1) |
DOUBLE PRECISION xxprim(iim + 1), xvrai(iim + 1) |
33 |
INTEGER:: is2 = 0 |
INTEGER:: is2 = 0 |
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!------------------------------------------------------------------ |
!------------------------------------------------------------------ |
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xo1 = 0. |
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37 |
IF (ik == 1 .and. grossismx == 1.) THEN |
IF (ik == 1 .and. grossismx == 1.) THEN |
38 |
ii1 = 2 |
ii1 = 2 |
39 |
ii2 = iim + 1 |
ii2 = iim + 1 |
58 |
it = 2 * nmax -1 |
it = 2 * nmax -1 |
59 |
END IF |
END IF |
60 |
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! Appel de la routine qui calcule les coefficients a0, a1, |
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! a2, a3 d'un polynome de degre 3 qui passe par les points |
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! (Xf(it), xtild(it)) et (Xf(it + 1), xtild(it + 1)) |
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61 |
CALL coefpoly(Xf(it), Xf(it + 1), Xprimt(it), Xprimt(it + 1), & |
CALL coefpoly(Xf(it), Xf(it + 1), Xprimt(it), Xprimt(it + 1), & |
62 |
xtild(it), xtild(it + 1), a0, a1, a2, a3) |
xtild(it), xtild(it + 1), a0, a1, a2, a3) |
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63 |
Xf1 = Xf(it) |
Xf1 = Xf(it) |
64 |
Xprimin = a1 + 2. * a2 * xi + 3. * a3 * xi**2 |
Xprimin = a1 + xi * (2d0 * a2 + xi * 3d0 * a3) |
65 |
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xo1 = xi |
66 |
iter = 1 |
iter = 1 |
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68 |
do |
do |
69 |
xi = xi - (Xf1 - Xfi) / Xprimin |
xi = xi - (Xf1 - Xfi) / Xprimin |
70 |
IF (ABS(xi - xo1) <= my_eps .or. iter == 300) exit |
IF (ABS(xi - xo1) <= my_eps .or. iter == 300) exit |
71 |
xo1 = xi |
xo1 = xi |
72 |
xi2 = xi * xi |
Xf1 = a0 + xi * (a1 + xi * (a2 + xi * a3)) |
73 |
Xf1 = a0 + a1 * xi + a2 * xi2 + a3 * xi2 * xi |
Xprimin = a1 + xi * (2d0 * a2 + xi * 3d0 * a3) |
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Xprimin = a1 + 2. * a2 * xi + 3. * a3 * xi2 |
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74 |
end DO |
end DO |
75 |
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76 |
if (ABS(xi - xo1) > my_eps) then |
if (ABS(xi - xo1) > my_eps) then |
101 |
END IF |
END IF |
102 |
END DO |
END DO |
103 |
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104 |
IF (.not. (MINval(xvrai(:iim)) >= - pi_d - 1d-5 & |
IF (ik == 1 .and. (MINval(xvrai(:iim)) < - pi_d - 0.1d0 & |
105 |
.and. MAXval(xvrai(:iim)) <= pi_d + 1d-5)) THEN |
.or. MAXval(xvrai(:iim)) > pi_d + 0.1d0)) THEN |
106 |
IF (xzoom <= 0.) THEN |
IF (xzoom <= 0.) THEN |
107 |
IF (ik == 1) THEN |
i = 1 |
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i = 1 |
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108 |
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109 |
do while (xvrai(i) < - pi_d .and. i < iim) |
do while (xvrai(i) < - pi_d .and. i < iim) |
110 |
i = i + 1 |
i = i + 1 |
111 |
end do |
end do |
112 |
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113 |
if (xvrai(i) < - pi_d) then |
if (xvrai(i) < - pi_d) then |
114 |
print *, 'Xvrai plus petit que - pi !' |
print *, 'Xvrai plus petit que - pi !' |
115 |
STOP 1 |
STOP 1 |
116 |
end if |
end if |
117 |
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118 |
is2 = i |
is2 = i |
119 |
END IF |
ELSE |
120 |
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i = iim |
121 |
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122 |
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do while (xvrai(i) > pi_d .and. i > 1) |
123 |
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i = i - 1 |
124 |
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end do |
125 |
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126 |
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if (xvrai(i) > pi_d) then |
127 |
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print *, 'Xvrai plus grand que pi !' |
128 |
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STOP 1 |
129 |
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end if |
130 |
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131 |
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is2 = i |
132 |
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END IF |
133 |
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END IF |
134 |
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135 |
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if (is2 /= 0) then |
136 |
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IF (xzoom <= 0.) THEN |
137 |
IF (is2 /= 1) THEN |
IF (is2 /= 1) THEN |
138 |
DO ii = is2, iim |
DO ii = is2, iim |
139 |
xlon(ii-is2 + 1) = xvrai(ii) |
xlon(ii-is2 + 1) = xvrai(ii) |
144 |
xprimm(ii + iim-is2 + 1) = xxprim(ii) |
xprimm(ii + iim-is2 + 1) = xxprim(ii) |
145 |
END DO |
END DO |
146 |
END IF |
END IF |
147 |
ELSE |
else |
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IF (ik == 1) THEN |
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i = iim |
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do while (xvrai(i) > pi_d .and. i > 1) |
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i = i - 1 |
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end do |
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if (xvrai(i) > pi_d) then |
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print *, 'Xvrai plus grand que pi !' |
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STOP 1 |
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end if |
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is2 = i |
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END IF |
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148 |
idif = iim -is2 |
idif = iim -is2 |
149 |
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150 |
DO ii = 1, is2 |
DO ii = 1, is2 |
156 |
xlon(ii) = xvrai(ii + is2) - twopi_d |
xlon(ii) = xvrai(ii + is2) - twopi_d |
157 |
xprimm(ii) = xxprim(ii + is2) |
xprimm(ii) = xxprim(ii + is2) |
158 |
END DO |
END DO |
159 |
END IF |
end IF |
160 |
END IF |
end if |
161 |
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162 |
xlon(iim + 1) = xlon(1) + twopi |
xlon(iim + 1) = xlon(1) + twopi |
163 |
xprimm(iim + 1) = xprimm(1) |
xprimm(iim + 1) = xprimm(1) |