/*
   There are a total of 11 entries in the algebraic variable array.
   There are a total of 7 entries in each of the rate and state variable arrays.
   There are a total of 14 entries in the constant variable array.
 */
/*
 * VOI is time in component environment (second).
 * STATES[0] is q_GTP in component environment (fmol).
 * STATES[1] is q_E5c in component environment (fmol).
 * STATES[2] is q_cGMP in component environment (fmol).
 * STATES[3] is q_PDE in component environment (fmol).
 * STATES[4] is q_GTP_E5c in component environment (fmol).
 * STATES[5] is q_cGMP_PDE in component environment (fmol).
 * STATES[6] is q_GMP in component environment (fmol).
 * ALGEBRAIC[7] is v_R_1a_cGMP in component cGMP (fmol_per_sec).
 * ALGEBRAIC[8] is v_R_1b_cGMP in component cGMP (fmol_per_sec).
 * ALGEBRAIC[9] is v_R_2a_cGMP in component cGMP (fmol_per_sec).
 * ALGEBRAIC[10] is v_R_2b_cGMP in component cGMP (fmol_per_sec).
 * CONSTANTS[0] is kappa_R_1a_cGMP in component cGMP_parameters (fmol_per_sec).
 * CONSTANTS[1] is kappa_R_1b_cGMP in component cGMP_parameters (fmol_per_sec).
 * CONSTANTS[2] is kappa_R_2a_cGMP in component cGMP_parameters (fmol_per_sec).
 * CONSTANTS[3] is kappa_R_2b_cGMP in component cGMP_parameters (fmol_per_sec).
 * CONSTANTS[4] is K_GTP in component cGMP_parameters (per_fmol).
 * CONSTANTS[5] is K_E5c in component cGMP_parameters (per_fmol).
 * CONSTANTS[6] is K_cGMP in component cGMP_parameters (per_fmol).
 * CONSTANTS[7] is K_PDE in component cGMP_parameters (per_fmol).
 * CONSTANTS[8] is K_GTP_E5c in component cGMP_parameters (per_fmol).
 * CONSTANTS[9] is K_cGMP_PDE in component cGMP_parameters (per_fmol).
 * CONSTANTS[10] is K_GMP in component cGMP_parameters (per_fmol).
 * CONSTANTS[11] is R in component constants (J_per_K_per_mol).
 * CONSTANTS[12] is T in component constants (kelvin).
 * ALGEBRAIC[0] is mu_GTP in component cGMP (J_per_mol).
 * ALGEBRAIC[1] is mu_E5c in component cGMP (J_per_mol).
 * ALGEBRAIC[2] is mu_cGMP in component cGMP (J_per_mol).
 * ALGEBRAIC[3] is mu_PDE in component cGMP (J_per_mol).
 * ALGEBRAIC[4] is mu_GTP_E5c in component cGMP (J_per_mol).
 * ALGEBRAIC[5] is mu_cGMP_PDE in component cGMP (J_per_mol).
 * ALGEBRAIC[6] is mu_GMP in component cGMP (J_per_mol).
 * CONSTANTS[13] is F in component constants (C_per_mol).
 * RATES[0] is d/dt q_GTP in component environment (fmol).
 * RATES[1] is d/dt q_E5c in component environment (fmol).
 * RATES[2] is d/dt q_cGMP in component environment (fmol).
 * RATES[3] is d/dt q_PDE in component environment (fmol).
 * RATES[4] is d/dt q_GTP_E5c in component environment (fmol).
 * RATES[5] is d/dt q_cGMP_PDE in component environment (fmol).
 * RATES[6] is d/dt q_GMP in component environment (fmol).
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
STATES[0] = 1e-18;
STATES[1] = 1e-18;
STATES[2] = 1e-18;
STATES[3] = 1e-18;
STATES[4] = 1e-18;
STATES[5] = 1e-18;
STATES[6] = 1e-18;
CONSTANTS[0] = 1772.99;
CONSTANTS[1] = 0.0302117;
CONSTANTS[2] = 73652.7;
CONSTANTS[3] = 0.0143623;
CONSTANTS[4] = 1600.8;
CONSTANTS[5] = 0.0255983;
CONSTANTS[6] = 0.0939434;
CONSTANTS[7] = 10.5002;
CONSTANTS[8] = 152.027;
CONSTANTS[9] = 7.31926;
CONSTANTS[10] = 0.000481761;
CONSTANTS[11] = 8.31;
CONSTANTS[12] = 310;
CONSTANTS[13] = 96485;
}
void
computeRates(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[4]*STATES[0]);
ALGEBRAIC[1] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[5]*STATES[1]);
ALGEBRAIC[4] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[8]*STATES[4]);
ALGEBRAIC[7] =  CONSTANTS[0]*(exp((ALGEBRAIC[0]+ALGEBRAIC[1])/( CONSTANTS[11]*CONSTANTS[12])) - exp(ALGEBRAIC[4]/( CONSTANTS[11]*CONSTANTS[12])));
RATES[0] = - ALGEBRAIC[7];
ALGEBRAIC[2] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[6]*STATES[2]);
ALGEBRAIC[8] =  CONSTANTS[1]*(exp(ALGEBRAIC[4]/( CONSTANTS[11]*CONSTANTS[12])) - exp((ALGEBRAIC[2]+ALGEBRAIC[1])/( CONSTANTS[11]*CONSTANTS[12])));
RATES[1] = - ALGEBRAIC[7]+ALGEBRAIC[8];
RATES[4] = ALGEBRAIC[7] - ALGEBRAIC[8];
ALGEBRAIC[3] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[7]*STATES[3]);
ALGEBRAIC[5] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[9]*STATES[5]);
ALGEBRAIC[9] =  CONSTANTS[2]*(exp((ALGEBRAIC[2]+ALGEBRAIC[3])/( CONSTANTS[11]*CONSTANTS[12])) - exp(ALGEBRAIC[5]/( CONSTANTS[11]*CONSTANTS[12])));
ALGEBRAIC[6] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[10]*STATES[6]);
ALGEBRAIC[10] =  CONSTANTS[3]*(exp((ALGEBRAIC[5]+ALGEBRAIC[2])/( CONSTANTS[11]*CONSTANTS[12])) - exp((ALGEBRAIC[6]+ALGEBRAIC[3])/( CONSTANTS[11]*CONSTANTS[12])));
RATES[2] = (ALGEBRAIC[8] - ALGEBRAIC[9]) - ALGEBRAIC[10];
RATES[3] = - ALGEBRAIC[9]+ALGEBRAIC[10];
RATES[5] = ALGEBRAIC[9] - ALGEBRAIC[10];
RATES[6] = ALGEBRAIC[10];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[4]*STATES[0]);
ALGEBRAIC[1] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[5]*STATES[1]);
ALGEBRAIC[4] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[8]*STATES[4]);
ALGEBRAIC[7] =  CONSTANTS[0]*(exp((ALGEBRAIC[0]+ALGEBRAIC[1])/( CONSTANTS[11]*CONSTANTS[12])) - exp(ALGEBRAIC[4]/( CONSTANTS[11]*CONSTANTS[12])));
ALGEBRAIC[2] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[6]*STATES[2]);
ALGEBRAIC[8] =  CONSTANTS[1]*(exp(ALGEBRAIC[4]/( CONSTANTS[11]*CONSTANTS[12])) - exp((ALGEBRAIC[2]+ALGEBRAIC[1])/( CONSTANTS[11]*CONSTANTS[12])));
ALGEBRAIC[3] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[7]*STATES[3]);
ALGEBRAIC[5] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[9]*STATES[5]);
ALGEBRAIC[9] =  CONSTANTS[2]*(exp((ALGEBRAIC[2]+ALGEBRAIC[3])/( CONSTANTS[11]*CONSTANTS[12])) - exp(ALGEBRAIC[5]/( CONSTANTS[11]*CONSTANTS[12])));
ALGEBRAIC[6] =  CONSTANTS[11]*CONSTANTS[12]*log( CONSTANTS[10]*STATES[6]);
ALGEBRAIC[10] =  CONSTANTS[3]*(exp((ALGEBRAIC[5]+ALGEBRAIC[2])/( CONSTANTS[11]*CONSTANTS[12])) - exp((ALGEBRAIC[6]+ALGEBRAIC[3])/( CONSTANTS[11]*CONSTANTS[12])));
}