/*
   There are a total of 2 entries in the algebraic variable array.
   There are a total of 1 entries in each of the rate and state variable arrays.
   There are a total of 10 entries in the constant variable array.
 */
/*
 * VOI is time in component environment (minute).
 * CONSTANTS[0] is PLA in component atrial_natriuretic_peptide (mmHg).
 * CONSTANTS[1] is PRA in component atrial_natriuretic_peptide (mmHg).
 * CONSTANTS[8] is ANP in component total_ANP_secreted (dimensionless).
 * CONSTANTS[6] is ANPL in component total_ANP_secreted (dimensionless).
 * CONSTANTS[7] is ANPR2 in component total_ANP_secreted (dimensionless).
 * CONSTANTS[9] is ANP1 in component ANP_into_circulation (dimensionless).
 * CONSTANTS[2] is ANPKNS in component parameter_values (dimensionless).
 * CONSTANTS[3] is ANPINF in component parameter_values (dimensionless).
 * STATES[0] is ANPC in component ANP_in_plasma (dimensionless).
 * CONSTANTS[4] is ANPTC in component parameter_values (minute).
 * ALGEBRAIC[1] is ANPX in component ANP_effect_on_renal_afferent_arteriolar_resistance (dimensionless).
 * CONSTANTS[5] is ANPXUL in component parameter_values (dimensionless).
 * ALGEBRAIC[0] is ANPX1 in component ANP_effect_on_renal_afferent_arteriolar_resistance (dimensionless).
 * RATES[0] is d/dt ANPC in component ANP_in_plasma (dimensionless).
 * There are a total of 1 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
CONSTANTS[0] = 2;
CONSTANTS[1] = 0.00852183;
CONSTANTS[2] = 0;
CONSTANTS[3] = 0;
STATES[0] = 1.0;
CONSTANTS[4] = 4;
CONSTANTS[5] = 10;
CONSTANTS[6] = ( (CONSTANTS[0] - 1.00000)*1.00000<0.00000 ? 0.00000 :  (CONSTANTS[0] - 1.00000)*1.00000);
CONSTANTS[7] = ( (CONSTANTS[1]+1.00000)*2.00000<0.00000 ? 0.00000 :  (CONSTANTS[1]+1.00000)*2.00000);
CONSTANTS[8] = (CONSTANTS[6]+CONSTANTS[7])/3.00000;
CONSTANTS[9] = (CONSTANTS[2]>0.00000 ? CONSTANTS[2] : CONSTANTS[8]+CONSTANTS[3]);
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[0] - (CONSTANTS[9] - STATES[0])/CONSTANTS[4];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = CONSTANTS[5] - CONSTANTS[5]/( 0.555556*(1.00000+STATES[0]));
ALGEBRAIC[1] = (CONDVAR[0]<0.00000 ? - 1.00000 : ALGEBRAIC[0]);
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
}
void
getStateInformation(double* SI)
{
SI[0] = 1.0;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
CONDVAR[0] = ALGEBRAIC[0] - - 1.00000;
}