/*
functions for calculating rates of transport 
*/

void nacax(Compartment *, double, double);
void nacax_kager(Compartment *, double, double);
void ca_pump(Compartment *, double, double);
void ca_pump_new(Compartment *, double, double);
void kcc2_chang(Compartment *, double, double, int);
void atpase(Compartment *, double, double, int);
void LRatpase(Compartment *, double, double);
void nkcc1_2state(Compartment *, double, double, int);