//.............................
// state_delta_t
//
// This is used to hold parameters that are used to modify
// the starting state before swimming.
typedef struct{
	float Cpx;
	float Cpy;
	float Cpz;
	float Cx;
	float Cy;
	float Cq_over_p;
	float mass;
}state_delta_t;

//----------------
// SetStateDelta
//----------------
inline void SetStateDelta(state_delta_t *sd, float Cpx, float Cpy, float Cpz, float Cx, float Cy, float Cq_over_p, float mass){
	sd->Cpx = Cpx;  sd->Cpy=Cpy;  sd->Cpz=Cpz;  sd->Cx=Cx;  sd->Cy=Cy;  sd->Cq_over_p=Cq_over_p;  sd->mass=mass;
}