/*
   There are a total of 20 entries in the algebraic variable array.
   There are a total of 10 entries in each of the rate and state variable arrays.
   There are a total of 21 entries in the constant variable array.
 */
/*
 * VOI is time in component environment (second).
 * STATES[0] is q_OH_i in component environment (fmol).
 * STATES[1] is q_OH_o in component environment (fmol).
 * STATES[2] is q_Cl_i in component environment (fmol).
 * STATES[3] is q_Cl_o in component environment (fmol).
 * STATES[4] is q_S1_CHE in component environment (fmol).
 * STATES[5] is q_S2_CHE in component environment (fmol).
 * STATES[6] is q_S3_CHE in component environment (fmol).
 * STATES[7] is q_S4_CHE in component environment (fmol).
 * STATES[8] is q_S5_CHE in component environment (fmol).
 * STATES[9] is q_S6_CHE in component environment (fmol).
 * ALGEBRAIC[14] is v_R61_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[15] is v_R12_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[16] is v_R23_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[17] is v_R34_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[18] is v_R45_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[19] is v_R56_CHE in component CHE (fmol_per_sec).
 * ALGEBRAIC[2] is pH_i in component environment (dimensionless).
 * ALGEBRAIC[3] is pH_o in component environment (dimensionless).
 * ALGEBRAIC[0] is cOH_i in component environment (mM).
 * ALGEBRAIC[1] is cOH_o in component environment (mM).
 * CONSTANTS[0] is w_i in component environment (pL).
 * CONSTANTS[1] is w_o in component environment (pL).
 * CONSTANTS[2] is kappa_R61_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[3] is kappa_R12_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[4] is kappa_R23_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[5] is kappa_R34_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[6] is kappa_R45_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[7] is kappa_R56_CHE in component CHE_parameters (fmol_per_sec).
 * CONSTANTS[8] is K_OH_i in component CHE_parameters (per_fmol).
 * CONSTANTS[9] is K_OH_o in component CHE_parameters (per_fmol).
 * CONSTANTS[10] is K_Cl_i in component CHE_parameters (per_fmol).
 * CONSTANTS[11] is K_Cl_o in component CHE_parameters (per_fmol).
 * CONSTANTS[12] is K_S1_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[13] is K_S2_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[14] is K_S3_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[15] is K_S4_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[16] is K_S5_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[17] is K_S6_CHE in component CHE_parameters (per_fmol).
 * CONSTANTS[18] is R in component constants (J_per_K_per_mol).
 * CONSTANTS[19] is T in component constants (kelvin).
 * ALGEBRAIC[4] is mu_OH_i in component CHE (J_per_mol).
 * ALGEBRAIC[5] is mu_OH_o in component CHE (J_per_mol).
 * ALGEBRAIC[6] is mu_Cl_i in component CHE (J_per_mol).
 * ALGEBRAIC[7] is mu_Cl_o in component CHE (J_per_mol).
 * ALGEBRAIC[8] is mu_S1_CHE in component CHE (J_per_mol).
 * ALGEBRAIC[9] is mu_S2_CHE in component CHE (J_per_mol).
 * ALGEBRAIC[10] is mu_S3_CHE in component CHE (J_per_mol).
 * ALGEBRAIC[11] is mu_S4_CHE in component CHE (J_per_mol).
 * ALGEBRAIC[12] is mu_S5_CHE in component CHE (J_per_mol).
 * ALGEBRAIC[13] is mu_S6_CHE in component CHE (J_per_mol).
 * CONSTANTS[20] is F in component constants (C_per_mol).
 * RATES[0] is d/dt q_OH_i in component environment (fmol).
 * RATES[1] is d/dt q_OH_o in component environment (fmol).
 * RATES[2] is d/dt q_Cl_i in component environment (fmol).
 * RATES[3] is d/dt q_Cl_o in component environment (fmol).
 * RATES[4] is d/dt q_S1_CHE in component environment (fmol).
 * RATES[5] is d/dt q_S2_CHE in component environment (fmol).
 * RATES[6] is d/dt q_S3_CHE in component environment (fmol).
 * RATES[7] is d/dt q_S4_CHE in component environment (fmol).
 * RATES[8] is d/dt q_S5_CHE in component environment (fmol).
 * RATES[9] is d/dt q_S6_CHE in component environment (fmol).
 * There are a total of 0 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
STATES[0] = 5.36764E-06;
STATES[1] = 1.30166E-06;
STATES[2] = 824.6;
STATES[3] = 725.48;
STATES[4] = 1.666e-7;
STATES[5] = 1.666e-7;
STATES[6] = 1.666e-7;
STATES[7] = 1.666e-7;
STATES[8] = 1.666e-7;
STATES[9] = 1.666e-7;
CONSTANTS[0] = 38;
CONSTANTS[1] = 5.182;
CONSTANTS[2] = 8.77838;
CONSTANTS[3] = 0.031295;
CONSTANTS[4] = 50940.7;
CONSTANTS[5] = 0.000192726;
CONSTANTS[6] = 2.96501e+06;
CONSTANTS[7] = 1.82153e+06;
CONSTANTS[8] = 0.0253475;
CONSTANTS[9] = 7203.46;
CONSTANTS[10] = 0.015572;
CONSTANTS[11] = 0.00442538;
CONSTANTS[12] = 28.479;
CONSTANTS[13] = 856.026;
CONSTANTS[14] = 353352;
CONSTANTS[15] = 6070.81;
CONSTANTS[16] = 0.569962;
CONSTANTS[17] = 0.4887;
CONSTANTS[18] = 8.31;
CONSTANTS[19] = 310;
CONSTANTS[20] = 96485;
RATES[0] = 0.1001;
RATES[1] = 0.1001;
RATES[2] = 0.1001;
RATES[3] = 0.1001;
RATES[4] = 0.1001;
RATES[5] = 0.1001;
RATES[6] = 0.1001;
RATES[7] = 0.1001;
RATES[8] = 0.1001;
RATES[9] = 0.1001;
}
void
computeResiduals(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
                 double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
resid[0] = RATES[0] - - ALGEBRAIC[19];
resid[1] = RATES[1] - ALGEBRAIC[15];
resid[2] = RATES[2] - ALGEBRAIC[18];
resid[3] = RATES[3] - - ALGEBRAIC[16];
resid[4] = RATES[4] - ALGEBRAIC[14] - ALGEBRAIC[15];
resid[5] = RATES[5] - ALGEBRAIC[15] - ALGEBRAIC[16];
resid[6] = RATES[6] - ALGEBRAIC[16] - ALGEBRAIC[17];
resid[7] = RATES[7] - ALGEBRAIC[17] - ALGEBRAIC[18];
resid[8] = RATES[8] - ALGEBRAIC[18] - ALGEBRAIC[19];
resid[9] = RATES[9] - ALGEBRAIC[19] - ALGEBRAIC[14];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = STATES[0]/CONSTANTS[0];
ALGEBRAIC[1] = STATES[1]/CONSTANTS[1];
ALGEBRAIC[2] = 14.0000+arbitrary_log(ALGEBRAIC[0], 10);
ALGEBRAIC[3] = 14.0000+arbitrary_log(ALGEBRAIC[1], 10);
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[8] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[12]*STATES[4]);
ALGEBRAIC[13] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[17]*STATES[9]);
ALGEBRAIC[14] =  CONSTANTS[2]*(exp(ALGEBRAIC[13]/( CONSTANTS[18]*CONSTANTS[19])) - exp(ALGEBRAIC[8]/( CONSTANTS[18]*CONSTANTS[19])));
ALGEBRAIC[5] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[9]*STATES[1]);
ALGEBRAIC[9] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[13]*STATES[5]);
ALGEBRAIC[15] =  CONSTANTS[3]*(exp(ALGEBRAIC[8]/( CONSTANTS[18]*CONSTANTS[19])) - exp((ALGEBRAIC[9]+ALGEBRAIC[5])/( CONSTANTS[18]*CONSTANTS[19])));
ALGEBRAIC[7] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[11]*STATES[3]);
ALGEBRAIC[10] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[14]*STATES[6]);
ALGEBRAIC[16] =  CONSTANTS[4]*(exp((ALGEBRAIC[9]+ALGEBRAIC[7])/( CONSTANTS[18]*CONSTANTS[19])) - exp(ALGEBRAIC[10]/( CONSTANTS[18]*CONSTANTS[19])));
ALGEBRAIC[11] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[15]*STATES[7]);
ALGEBRAIC[17] =  CONSTANTS[5]*(exp(ALGEBRAIC[10]/( CONSTANTS[18]*CONSTANTS[19])) - exp(ALGEBRAIC[11]/( CONSTANTS[18]*CONSTANTS[19])));
ALGEBRAIC[6] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[10]*STATES[2]);
ALGEBRAIC[12] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[16]*STATES[8]);
ALGEBRAIC[18] =  CONSTANTS[6]*(exp(ALGEBRAIC[11]/( CONSTANTS[18]*CONSTANTS[19])) - exp((ALGEBRAIC[12]+ALGEBRAIC[6])/( CONSTANTS[18]*CONSTANTS[19])));
ALGEBRAIC[4] =  CONSTANTS[18]*CONSTANTS[19]*log( CONSTANTS[8]*STATES[0]);
ALGEBRAIC[19] =  CONSTANTS[7]*(exp((ALGEBRAIC[12]+ALGEBRAIC[4])/( CONSTANTS[18]*CONSTANTS[19])) - exp(ALGEBRAIC[13]/( CONSTANTS[18]*CONSTANTS[19])));
}
void
getStateInformation(double* SI)
{
SI[0] = 1.0;
SI[1] = 1.0;
SI[2] = 1.0;
SI[3] = 1.0;
SI[4] = 1.0;
SI[5] = 1.0;
SI[6] = 1.0;
SI[7] = 1.0;
SI[8] = 1.0;
SI[9] = 1.0;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
}