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| class POINT_DE_MAILLAGE
{
class MESH_CYL_COORDINATES
{
public:
float x;
float r;
float theta;
};
class MESH_CART_COORDINATES
{
public:
float x;
float y;
float z;
x=1;
y=1;
z=0;
};
MESH_CART_COORDINATES var_cart;
MESH_CYL_COORDINATES var_cyl;
//float cart2cyl(MESH_CART_COORDINATES x,MESH_CART_COORDINATES y,MESH_CART_COORDINATES z)
float cart2cyl(MESH_CART_COORDINATES var_cart)
{
float r;
float theta;
var_cyl.x = var_cart.x;
var_cyl.r = sqrt(var_cart.y*var_cart.y+var_cart.z*var_cart.z);
var_cyl.theta = atan2(var_cart.y,var_cart.z);
return var_cyl.x;
}
(var_cyl.x, var_cyl.r, var_cyl.theta) = cart2cyl(var_cart);
};
int main (int argc, char **argv)
{
POINT_DE_MAILLAGE point;
//point.var_cart.x=1;
//point.var_cart.y=1;
//point.var_cart.z=0;
printf("coordonnees de M en cartesien x=%f\t y=%f\t z=%f\n",point.var_cart.x, point.var_cart.y, point.var_cart.z);
printf("coordonnees de M en cylindrique x=%f\t r=%f\t theta=%f\n",point.var_cyl.x, point.var_cyl.r, point.var_cyl.theta);
} |
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