Mathc initiation/Fichiers h : c64a8
Apparence
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x_fluzxy.h |
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/* --------------------------------- */
/* save as x_fluzxy.h */
/* --------------------------------- */
double flux_z_dzdxdy(
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_u)(double x, double y),
double (*P_v)(double x, double y),
int nz,
double x,
double y
)
{
pt3d n;
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.;}
n.x = x;
n.y = y;
n.z = ((*P_u)(x,y)) + i*(((*P_v)(x,y))-((*P_u)(x,y)))/nz;
M += m * (fxyz_x((*P_M),H,n) + fxyz_y((*P_N),H,n) + fxyz_z((*P_P),H,n)) ;
}
return( ((((*P_v)(x,y)) -((*P_u)(x,y)))*M) / (3*nz) );
}
/* --------------------------------- */
double flux_x_dzdxdy(
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_u)(double x, double y),
double (*P_v)(double x, double y),
int nz,
double (*P_s)(double y),
double (*P_t)(double y),
int nx,
double y
)
{
int i = 0;
double m = 0.;
double M = 0.;
for(i = 0; i <= nx; i++)
{
if(i ==0 || i== nx){m = 1.;}
else if(fmod(i,2) == 0){m = 2.;}
else {m = 4.;}
M += m * flux_z_dzdxdy(
(*P_M),
(*P_N),
(*P_P),
(*P_u),
(*P_v),
nz,
(((*P_s)(y))+i*(((*P_t)(y))-((*P_s)(y)))/nx),
y
);
}
return( ((((*P_t)(y)) -((*P_s)(y)))*M) / (3*nx) );
}
/* --------------------------------- */
double flux_dzdxdy(
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_u)(double x, double y),
double (*P_v)(double x, double y),
int nz,
double (*P_s)(double y),
double (*P_t)(double y),
int nx,
double ay,
double by,
int ny
)
{
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.;}
M += m * flux_x_dzdxdy(
(*P_M),
(*P_N),
(*P_P),
(*P_u),
(*P_v),
nz,
(*P_s),
(*P_t),
nx,
(ay+i*(by-ay)/ny));
}
return( ((by -ay)*M) / (3*ny) );
}
/* --------------------------------- */
/* --------------------------------- */
Déclaration des fichiers h.