/* This is the one-node variant of the transientCapacitanceC()
function. It performs the same steps for a single voltage node
related to ground. */
void circuit::transientCapacitanceC2Q (int qpos, int qneg, int vpos,
nr_double_t cap, nr_double_t voltage) {
nr_double_t g, i;
conductor (cap, g);
addY (qpos, vpos, +g); addY (qneg, vpos, -g);
i = pol * (g * voltage);
addI (qpos , +i);
addI (qneg , -i);
}
/* The function performs a single integration step of the given charge
located between the given nodes. It saves the current
contributions of the charge itself and considers the polarity of
the circuit. */
void circuit::transientCapacitanceQ (int qstate, int qpos, int qneg,
nr_double_t charge) {
nr_double_t unused, i;
int cstate = qstate + 1;
setState (qstate, charge);
integrate (qstate, 0, unused, unused);
i = pol * getState (cstate);
addI (qpos , -i);
addI (qneg , +i);
}
/* The function runs the necessary calculation in order to perform a
single integration step of a voltage controlled capacitance placed
in between the given nodes. It is assumed that the appropiate
charge only depends on the voltage between these nodes. */
void circuit::transientCapacitance (int qstate, int pos, int neg,
nr_double_t cap, nr_double_t voltage,
nr_double_t charge) {
nr_double_t g, i;
int cstate = qstate + 1;
setState (qstate, charge);
integrate (qstate, cap, g, i);
addY (pos, pos, +g); addY (neg, neg, +g);
addY (pos, neg, -g); addY (neg, pos, -g);
i = pol * (getState (cstate) - g * voltage);
addI (pos , -i);
addI (neg , +i);
}
int testDatastruct() {
Sample * sample = (Sample *)malloc(sizeof(Sample));
sample->x = 0.1;
sample->y = 0.2;
sample->z = 0.3;
LinkedList * list = makeList();
printf("APPENDING TEST...\n");
for (int i = 0; i < 100; i++) {
add(*sample, list);
}
toStringList(list);
printf("\n");
printf("SANDWICHING TEST...\n");
for (int i = 0; i < 100; i++) {
addI(i, *sample, list);
}
toStringList(list);
printf("Getting x series...\n");
acc * xs = getSubSeries(X, 0, list->count - 1, list);
acc * current = xs;
while ((long)(*(current++)) != TERMINATION_VALUE) {
printf("next: %2.3f\n", *current);
}
puts("Finished.");
getchar();
}
