/*
   There are a total of 10 entries in the algebraic variable array.
   There are a total of 5 entries in each of the rate and state variable arrays.
   There are a total of 11 entries in the constant variable array.
 */
/*
 * VOI is t in component environment (second).
 * CONSTANTS[0] is C_m in component environment (fF).
 * STATES[0] is q_mem in component environment (fC).
 * CONSTANTS[1] is R in component environment (J_per_K_per_mol).
 * CONSTANTS[2] is T in component environment (kelvin).
 * CONSTANTS[3] is F in component environment (C_per_mol).
 * ALGEBRAIC[7] is v_pCa_R1 in component pCa (fmol_per_sec).
 * ALGEBRAIC[8] is v_pCa_R2 in component pCa (fmol_per_sec).
 * STATES[1] is q_Ca_o in component environment (fmol).
 * STATES[2] is q_Ca_i in component environment (fmol).
 * STATES[3] is q_pCa in component environment (fmol).
 * STATES[4] is q_pCa_Ca in component environment (fmol).
 * ALGEBRAIC[0] is V_mem in component environment (J_per_C).
 * ALGEBRAIC[9] is I_mem_pCa in component pCa (fA).
 * ALGEBRAIC[1] is Ca_T in component environment (fmol).
 * ALGEBRAIC[2] is channel_T in component environment (fmol).
 * CONSTANTS[4] is kappa_pCa_R1 in component pCa_parameters (fmol_per_sec).
 * CONSTANTS[5] is kappa_pCa_R2 in component pCa_parameters (fmol_per_sec).
 * CONSTANTS[6] is K_Ca_i in component pCa_parameters (per_fmol).
 * CONSTANTS[7] is K_Ca_o in component pCa_parameters (per_fmol).
 * CONSTANTS[8] is K_pCa in component pCa_parameters (per_fmol).
 * CONSTANTS[9] is K_pCa_Ca in component pCa_parameters (per_fmol).
 * CONSTANTS[10] is zCa in component pCa_parameters (dimensionless).
 * ALGEBRAIC[3] is mu_Ca_i in component pCa (J_per_mol).
 * ALGEBRAIC[4] is mu_Ca_o in component pCa (J_per_mol).
 * ALGEBRAIC[5] is mu_pCa in component pCa (J_per_mol).
 * ALGEBRAIC[6] is mu_pCa_Ca in component pCa (J_per_mol).
 * RATES[2] is d/dt q_Ca_i in component environment (fmol).
 * RATES[1] is d/dt q_Ca_o in component environment (fmol).
 * RATES[3] is d/dt q_pCa in component environment (fmol).
 * RATES[4] is d/dt q_pCa_Ca in component environment (fmol).
 * RATES[0] is d/dt q_mem in component environment (fC).
 * There are a total of 0 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
CONSTANTS[0] = 153400;
STATES[0] = -13039;
CONSTANTS[1] = 8.31;
CONSTANTS[2] = 310;
CONSTANTS[3] = 96500;
STATES[1] = 9.3276;
STATES[2] = 0.00456;
STATES[3] = 0.0032;
STATES[4] = 1e-9;
CONSTANTS[4] = 2647.75;
CONSTANTS[5] = 2.95771e-05;
CONSTANTS[6] = 26.4744;
CONSTANTS[7] = 8.78733e-05;
CONSTANTS[8] = 0.0120554;
CONSTANTS[9] = 0.00548953;
CONSTANTS[10] = 2;
RATES[2] = 0.1001;
RATES[1] = 0.1001;
RATES[3] = 0.1001;
RATES[4] = 0.1001;
RATES[0] = 0.1001;
}
void
computeResiduals(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
                 double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
resid[0] = RATES[2] - - ALGEBRAIC[7];
resid[1] = RATES[1] - ALGEBRAIC[8];
resid[2] = RATES[3] - - ALGEBRAIC[7]+ALGEBRAIC[8];
resid[3] = RATES[4] - ALGEBRAIC[7] - ALGEBRAIC[8];
resid[4] = RATES[0] - ALGEBRAIC[9];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = STATES[0]/CONSTANTS[0];
ALGEBRAIC[1] = STATES[2]+STATES[1]+STATES[4];
ALGEBRAIC[2] = STATES[3]+STATES[4];
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[3] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[6]*STATES[2]);
ALGEBRAIC[5] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[8]*STATES[3]);
ALGEBRAIC[6] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[9]*STATES[4]);
ALGEBRAIC[7] =  CONSTANTS[4]*(exp((ALGEBRAIC[3]+ALGEBRAIC[5])/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[6]/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[4] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[7]*STATES[1]);
ALGEBRAIC[8] =  CONSTANTS[5]*(exp(ALGEBRAIC[6]/( CONSTANTS[1]*CONSTANTS[2])) - exp((ALGEBRAIC[4]+ALGEBRAIC[5])/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[9] =  - CONSTANTS[10]*CONSTANTS[3]*ALGEBRAIC[8];
}
void
getStateInformation(double* SI)
{
SI[0] = 1.0;
SI[1] = 1.0;
SI[2] = 1.0;
SI[3] = 1.0;
SI[4] = 1.0;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
}