Mathc initiation/Fichiers h : c62a9
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x_fdydz.h |
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/* ---------------------------------- */
/* save as x_fdydz */
/* ---------------------------------- */
double fint_dyz(
double (*P_M)(double x, double y, double z),
double (*P_N)(double x, double y, double z),
double (*P_P)(double x, double y, double z),
double (*P_k)(double y, double z),
double (*P_u)(double z),
double (*P_v)(double z),
int ny,
double z,
double h
)
{
p2d p;
int i = 0;
double m = 0.;
double M = 0.;
for(i = 0; i <= ny; i++)
{
if(i ==0 || i== ny){m = 1.;}
else if(fmod(i,2) == 0){m = 2.;}
else {m = 4.;}
p.x = ((*P_u)(z)) + i*(((*P_v)(z))-((*P_u)(z)))/ny;
p.y = z;
M += m * (
1*(*P_M)( (*P_k)(p.x,p.y),p.x,p.y)+
-fxy_x((*P_k),h,p)*(*P_N)( (*P_k)(p.x,p.y),p.x,p.y)+
-fxy_y((*P_k),h,p)*(*P_P)( (*P_k)(p.x,p.y),p.x,p.y)
);
}
return( ((((*P_v)(z)) -((*P_u)(z)))*M) / (3*ny) );
}
/* ---------------------------------- */
double flux_dydz(
double (*P_M)(double x, double y, double z),
double (*P_N)(double x, double y, double z),
double (*P_P)(double x, double y, double z),
double (*P_k)(double y, double z),
double (*P_u)(double z),
double (*P_v)(double z),
int ny,
double az,
double bz,
int nz,
double h
)
{
int i = 0;
double m = 0.;
double M = 0.;
for(i = 0; i <= nz; i++)
{
if(i ==0 || i== nz){m = 1.;}
else if(fmod(i,2) == 0){m = 2.;}
else {m = 4.;}
M += m * fint_dyz( (*P_M),(*P_N),(*P_P),
(*P_k), (*P_u),(*P_v),
ny,
(az + i*(bz-az)/nz),
h);
}
return( ((bz -az)*M) / (3*nz) );
}
/* ---------------------------------- */
/* ---------------------------------- */
Déclaration des fichiers h.