/*
   There are a total of 5 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).
 * ALGEBRAIC[4] is KP 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[2] is gamma in component reaction_constants (dimensionless).
 * CONSTANTS[3] is L in component reaction_constants (dimensionless).
 * CONSTANTS[14] is C_2 in component reaction_constants (molar).
 * CONSTANTS[4] is k2 in component reaction_constants (per_second).
 * CONSTANTS[5] is k3 in component reaction_constants (per_second).
 * CONSTANTS[6] is k6 in component reaction_constants (per_second).
 * CONSTANTS[7] is k7 in component reaction_constants (per_second).
 * CONSTANTS[8] is k0 in component reaction_constants (molar_per_second).
 * CONSTANTS[9] is k4 in component reaction_constants (per_molar2_per_second).
 * CONSTANTS[10] is km in component reaction_constants (molar_per_second).
 * CONSTANTS[11] is K in component reaction_constants (dimensionless).
 * ALGEBRAIC[3] is P in component reaction_constants (dimensionless).
 * RATES[0] is d/dt a in component a (dimensionless).
 * RATES[1] is d/dt g in component g (dimensionless).
 * There are a total of 0 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
STATES[0] = 4.39927;
CONSTANTS[0] = 0.008;
CONSTANTS[1] = 1.485;
STATES[1] = 1.96477;
CONSTANTS[2] = 11.385;
CONSTANTS[3] = 0.1;
CONSTANTS[4] = 6e-4;
CONSTANTS[5] = 0.0000048;
CONSTANTS[6] = 0.000891;
CONSTANTS[7] = 0.006831;
CONSTANTS[8] = 8.7831e-11;
CONSTANTS[9] = 2.1e12;
CONSTANTS[10] = 6.9001e-14;
CONSTANTS[11] = 30;
CONSTANTS[12] = CONSTANTS[4];
CONSTANTS[13] =  pow((CONSTANTS[4]/CONSTANTS[9]), 1.0 / 2);
CONSTANTS[14] =  pow((CONSTANTS[4]/CONSTANTS[9]), 1.0 / 2);
RATES[0] = 0.1001;
RATES[1] = 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[4] - ( (1.00000+CONSTANTS[0]+CONSTANTS[1])*STATES[0]+ STATES[0]*pow(STATES[1], 2.00000));
resid[1] = RATES[1] - ( (1.00000 - CONSTANTS[0])*STATES[0]+ STATES[0]*pow(STATES[1], 2.00000)) - (CONSTANTS[3]+ CONSTANTS[2]*STATES[1]);
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[1] =  CONSTANTS[13]*STATES[0];
ALGEBRAIC[2] =  CONSTANTS[14]*STATES[1];
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = VOI/CONSTANTS[12];
ALGEBRAIC[3] = 0.735000+ 0.156300* sin(( 2.00000*3.14159*ALGEBRAIC[0])/( 24.0000*3600.00))+ 0.312700*fabs( sin(( 3.14159*ALGEBRAIC[0])/( 24.0000*3600.00)));
ALGEBRAIC[4] =  CONSTANTS[11]*ALGEBRAIC[3];
}
void
getStateInformation(double* SI)
{
SI[0] = 1.0;
SI[1] = 1.0;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
}