/*
   There are a total of 3 entries in the algebraic variable array.
   There are a total of 2 entries in each of the rate and state variable arrays.
   There are a total of 15 entries in the constant variable array.
 */
/*
 * ALGEBRAIC[0] is time in component environment (second).
 * VOI is tau in component environment (dimensionless).
 * CONSTANTS[12] is C_0 in component reaction_constants (per_second).
 * ALGEBRAIC[1] is A in component a (molar).
 * STATES[0] is a in component a (dimensionless).
 * CONSTANTS[0] is alpha in component reaction_constants (dimensionless).
 * CONSTANTS[1] is beta in component reaction_constants (dimensionless).
 * CONSTANTS[2] is K in component reaction_constants (dimensionless).
 * CONSTANTS[13] is C_1 in component reaction_constants (molar).
 * STATES[1] is g in component g (dimensionless).
 * ALGEBRAIC[2] is G in component g (molar).
 * CONSTANTS[3] is gamma in component reaction_constants (dimensionless).
 * CONSTANTS[4] is L in component reaction_constants (dimensionless).
 * CONSTANTS[14] is C_2 in component reaction_constants (molar).
 * CONSTANTS[5] is k2 in component reaction_constants (per_second).
 * CONSTANTS[6] is k3 in component reaction_constants (per_second).
 * CONSTANTS[7] is k6 in component reaction_constants (per_second).
 * CONSTANTS[8] is k7 in component reaction_constants (per_second).
 * CONSTANTS[9] is k0 in component reaction_constants (molar_per_second).
 * CONSTANTS[10] is k4 in component reaction_constants (per_molar2_per_second).
 * CONSTANTS[11] is km in component reaction_constants (molar_per_second).
 * RATES[0] is d/dt a in component a (dimensionless).
 * RATES[1] is d/dt g in component g (dimensionless).
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
STATES[0] = 4.39927;
CONSTANTS[0] = 0.008;
CONSTANTS[1] = 1.485;
CONSTANTS[2] = 30;
STATES[1] = 1.96477;
CONSTANTS[3] = 11.385;
CONSTANTS[4] = 0.1;
CONSTANTS[5] = 6e-4;
CONSTANTS[6] = 0.0000048;
CONSTANTS[7] = 0.000891;
CONSTANTS[8] = 0.006831;
CONSTANTS[9] = 8.7831e-11;
CONSTANTS[10] = 2.1e12;
CONSTANTS[11] = 6.9001e-14;
CONSTANTS[12] = CONSTANTS[5];
CONSTANTS[13] =  pow((CONSTANTS[5]/CONSTANTS[10]), 1.0 / 2);
CONSTANTS[14] =  pow((CONSTANTS[5]/CONSTANTS[10]), 1.0 / 2);
}
void
computeRates(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
RATES[0] = CONSTANTS[2] - ( (1.00000+CONSTANTS[0]+CONSTANTS[1])*STATES[0]+ STATES[0]*pow(STATES[1], 2.00000));
RATES[1] = ( (1.00000 - CONSTANTS[0])*STATES[0]+ STATES[0]*pow(STATES[1], 2.00000)) - (CONSTANTS[4]+ CONSTANTS[3]*STATES[1]);
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = VOI/CONSTANTS[12];
ALGEBRAIC[1] =  CONSTANTS[13]*STATES[0];
ALGEBRAIC[2] =  CONSTANTS[14]*STATES[1];
}