/*
   There are a total of 31 entries in the algebraic variable array.
   There are a total of 6 entries in each of the rate and state variable arrays.
   There are a total of 23 entries in the constant variable array.
 */
/*
 * VOI is time in component environment (second).
 * CONSTANTS[0] is C_m in component environment (fF).
 * STATES[0] is q_Ca_o in component environment (fmol).
 * STATES[1] is q_Ca_i in component environment (fmol).
 * STATES[2] is q_s00_TCC in component environment (fmol).
 * STATES[3] is q_s10_TCC in component environment (fmol).
 * STATES[4] is q_s01_TCC in component environment (fmol).
 * STATES[5] is q_s11_TCC in component environment (fmol).
 * ALGEBRAIC[2] is q_mem in component environment (fC).
 * ALGEBRAIC[1] is V_mem in component environment (volt).
 * CONSTANTS[1] is R in component environment (J_per_K_per_mol).
 * CONSTANTS[2] is T in component environment (kelvin).
 * CONSTANTS[3] is F in component environment (C_per_mol).
 * ALGEBRAIC[13] is v_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[30] is I_mem_TCC in component TCC (fA).
 * CONSTANTS[22] is I_stim in component environment (fA).
 * CONSTANTS[4] is stimPeriod in component environment (second).
 * CONSTANTS[5] is stimDuration in component environment (second).
 * ALGEBRAIC[0] is tPeriod in component environment (second).
 * CONSTANTS[6] is kappa_TCC in component TCC_parameters (fmol_per_sec).
 * CONSTANTS[7] is kappa_R1_TCC in component TCC_parameters (fmol_per_sec).
 * CONSTANTS[8] is kappa_R2_TCC in component TCC_parameters (fmol_per_sec).
 * CONSTANTS[9] is kappa_R3_TCC in component TCC_parameters (fmol_per_sec).
 * CONSTANTS[10] is kappa_R4_TCC in component TCC_parameters (fmol_per_sec).
 * CONSTANTS[11] is K_Ca_i in component TCC_parameters (per_fmol).
 * CONSTANTS[12] is K_Ca_o in component TCC_parameters (per_fmol).
 * CONSTANTS[13] is K_S00_TCC in component TCC_parameters (per_fmol).
 * CONSTANTS[14] is K_S10_TCC in component TCC_parameters (per_fmol).
 * CONSTANTS[15] is K_S01_TCC in component TCC_parameters (per_fmol).
 * CONSTANTS[16] is K_S11_TCC in component TCC_parameters (per_fmol).
 * CONSTANTS[17] is zCa in component TCC_parameters (dimensionless).
 * CONSTANTS[18] is z_df in component TCC_parameters (dimensionless).
 * CONSTANTS[19] is z_ff in component TCC_parameters (dimensionless).
 * CONSTANTS[20] is z_dr in component TCC_parameters (dimensionless).
 * CONSTANTS[21] is z_fr in component TCC_parameters (dimensionless).
 * ALGEBRAIC[3] is u_Ca_i in component TCC (J_per_mol).
 * ALGEBRAIC[4] is u_Ca_o in component TCC (J_per_mol).
 * ALGEBRAIC[5] is V_mem in component TCC (J_per_C).
 * ALGEBRAIC[10] is Am_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[11] is Af_Ca in component TCC (J_per_mol).
 * ALGEBRAIC[12] is Ar_Ca in component TCC (J_per_mol).
 * ALGEBRAIC[26] is v_s00_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[27] is v_s10_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[28] is v_s01_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[29] is v_s11_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[22] is v_R1_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[23] is v_R2_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[24] is v_R3_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[25] is v_R4_TCC in component TCC (fmol_per_sec).
 * ALGEBRAIC[6] is mu_s00_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[7] is mu_s10_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[8] is mu_s01_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[9] is mu_s11_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[14] is Af_R1_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[15] is Ar_R1_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[16] is Af_R2_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[17] is Ar_R2_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[18] is Af_R3_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[19] is Ar_R3_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[20] is Af_R4_TCC in component TCC (J_per_mol).
 * ALGEBRAIC[21] is Ar_R4_TCC in component TCC (J_per_mol).
 * RATES[1] is d/dt q_Ca_i in component environment (fmol).
 * RATES[0] is d/dt q_Ca_o in component environment (fmol).
 * RATES[2] is d/dt q_s00_TCC in component environment (fmol).
 * RATES[3] is d/dt q_s10_TCC in component environment (fmol).
 * RATES[4] is d/dt q_s01_TCC in component environment (fmol).
 * RATES[5] is d/dt q_s11_TCC in component environment (fmol).
 * There are a total of 7 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
CONSTANTS[0] = 60000;
STATES[0] = 0.04653;
STATES[1] = 0.000001551;
STATES[2] = 3.653271338425772e-07;
STATES[3] = 1e-16;
STATES[4] = 1e-16;
STATES[5] = 1e-16;
CONSTANTS[1] = 8.31;
CONSTANTS[2] = 310;
CONSTANTS[3] = 96500;
CONSTANTS[4] = 1;
CONSTANTS[5] = 0.0001;
CONSTANTS[6] = 11414.6;
CONSTANTS[7] = 1266.14;
CONSTANTS[8] = 4.33488;
CONSTANTS[9] = 1.34962;
CONSTANTS[10] = 7.44777;
CONSTANTS[11] = 28.7976;
CONSTANTS[12] = 211.182;
CONSTANTS[13] = 2.10659;
CONSTANTS[14] = 0.381738;
CONSTANTS[15] = 615.294;
CONSTANTS[16] = 111.498;
CONSTANTS[17] = 2;
CONSTANTS[18] = 0.876568910405296;
CONSTANTS[19] = -0.576510778245838;
CONSTANTS[20] = -0.872117216889333;
CONSTANTS[21] = 1.73582739545622;
CONSTANTS[22] = 0.00000;
RATES[1] = 0.1001;
RATES[0] = 0.1001;
RATES[2] = 0.1001;
RATES[3] = 0.1001;
RATES[4] = 0.1001;
RATES[5] = 0.1001;
}
void
computeResiduals(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
                 double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
resid[0] = RATES[1] - - ALGEBRAIC[13];
resid[1] = RATES[0] - ALGEBRAIC[13];
resid[2] = RATES[2] - ALGEBRAIC[26];
resid[3] = RATES[3] - ALGEBRAIC[27];
resid[4] = RATES[4] - ALGEBRAIC[28];
resid[5] = RATES[5] - ALGEBRAIC[29];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] = VOI -  floor(VOI/CONSTANTS[4])*CONSTANTS[4];
ALGEBRAIC[30] =  CONSTANTS[3]*( - CONSTANTS[17]*ALGEBRAIC[13]+ ALGEBRAIC[22]*(CONSTANTS[20] - CONSTANTS[18])+ ALGEBRAIC[23]*(CONSTANTS[20] - CONSTANTS[18])+ ALGEBRAIC[24]*(CONSTANTS[21] - CONSTANTS[19])+ ALGEBRAIC[25]*(CONSTANTS[21] - CONSTANTS[19]));
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[1] = (CONDVAR[0]>=0.00000&&CONDVAR[1]<0.00000 ? - 0.0900000 : CONDVAR[2]>0.00000&&CONDVAR[3]<0.00000 ? - 0.0600000 : CONDVAR[4]>0.00000&&CONDVAR[5]<0.00000 ? 0.0400000 : CONDVAR[6]>0.00000 ? - 0.0900000 : - 0.0800000);
ALGEBRAIC[2] =  ALGEBRAIC[1]*CONSTANTS[0];
ALGEBRAIC[5] = ALGEBRAIC[2]/CONSTANTS[0];
ALGEBRAIC[10] =  CONSTANTS[17]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[3] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[11]*STATES[1]);
ALGEBRAIC[9] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[16]*STATES[5]);
ALGEBRAIC[11] = ALGEBRAIC[9]+ALGEBRAIC[3]+ALGEBRAIC[10];
ALGEBRAIC[4] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[12]*STATES[0]);
ALGEBRAIC[12] = ALGEBRAIC[9]+ALGEBRAIC[4];
ALGEBRAIC[13] = (ALGEBRAIC[10]==0.00000 ?  CONSTANTS[6]*(exp(ALGEBRAIC[11]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[12]/( CONSTANTS[1]*CONSTANTS[2]))) :  ((( CONSTANTS[6]*ALGEBRAIC[10])/( CONSTANTS[1]*CONSTANTS[2]))/(exp(ALGEBRAIC[10]/( CONSTANTS[1]*CONSTANTS[2])) - 1.00000))*(exp(ALGEBRAIC[11]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[12]/( CONSTANTS[1]*CONSTANTS[2]))));
ALGEBRAIC[6] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[13]*STATES[2]);
ALGEBRAIC[14] = ALGEBRAIC[6]+ CONSTANTS[18]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[7] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[14]*STATES[3]);
ALGEBRAIC[15] = ALGEBRAIC[7]+ CONSTANTS[20]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[22] =  CONSTANTS[7]*(exp(ALGEBRAIC[14]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[15]/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[18] = ALGEBRAIC[6]+ CONSTANTS[19]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[8] =  CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[15]*STATES[4]);
ALGEBRAIC[19] = ALGEBRAIC[8]+ CONSTANTS[21]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[24] =  CONSTANTS[9]*(exp(ALGEBRAIC[18]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[19]/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[26] = - ALGEBRAIC[22] - ALGEBRAIC[24];
ALGEBRAIC[20] = ALGEBRAIC[7]+ CONSTANTS[19]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[21] = ALGEBRAIC[9]+ CONSTANTS[21]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[25] =  CONSTANTS[10]*(exp(ALGEBRAIC[20]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[21]/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[27] = ALGEBRAIC[22] - ALGEBRAIC[25];
ALGEBRAIC[16] = ALGEBRAIC[8]+ CONSTANTS[18]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[17] = ALGEBRAIC[9]+ CONSTANTS[20]*CONSTANTS[3]*ALGEBRAIC[5];
ALGEBRAIC[23] =  CONSTANTS[8]*(exp(ALGEBRAIC[16]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[17]/( CONSTANTS[1]*CONSTANTS[2])));
ALGEBRAIC[28] = ALGEBRAIC[24] - ALGEBRAIC[23];
ALGEBRAIC[29] = ALGEBRAIC[23]+ALGEBRAIC[25];
}
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;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
CONDVAR[0] = VOI - 0.00000;
CONDVAR[1] = VOI - 0.400000;
CONDVAR[2] = VOI - 1.10000;
CONDVAR[3] = VOI - 2.10000;
CONDVAR[4] = VOI - 2.20000;
CONDVAR[5] = VOI - 3.10000;
CONDVAR[6] = VOI - 3.50000;
}