/*
   There are a total of 12 entries in the algebraic variable array.
   There are a total of 4 entries in each of the rate and state variable arrays.
   There are a total of 8 entries in the constant variable array.
 */
/*
 * VOI is time in component time (ms).
 * CONSTANTS[0] is IStim in component stimulus_protocol (uA_per_mmsq).
 * CONSTANTS[1] is g_K_add in component parameters (mS_per_mmsq).
 * STATES[0] is V in component membrane (mV).
 * CONSTANTS[2] is Cm in component membrane (uF_per_mm2).
 * ALGEBRAIC[1] is i_Na in component sodium_channel (uA_per_mm2).
 * ALGEBRAIC[11] is i_K in component potassium_channel (uA_per_mm2).
 * ALGEBRAIC[10] is i_Leak in component leakage_current (uA_per_mm2).
 * CONSTANTS[7] is IStimC in component membrane (uA_per_mm2).
 * CONSTANTS[3] is g_Na_max in component sodium_channel (mS_per_mm2).
 * ALGEBRAIC[0] is g_Na in component sodium_channel (mS_per_mm2).
 * CONSTANTS[4] is E_Na in component sodium_channel (mV).
 * STATES[1] is m in component sodium_channel_m_gate (dimensionless).
 * STATES[2] is h in component sodium_channel_h_gate (dimensionless).
 * ALGEBRAIC[2] is alpha_m in component sodium_channel_m_gate (per_ms).
 * ALGEBRAIC[3] is beta_m in component sodium_channel_m_gate (per_ms).
 * ALGEBRAIC[4] is alpha_h in component sodium_channel_h_gate (per_ms).
 * ALGEBRAIC[5] is beta_h in component sodium_channel_h_gate (per_ms).
 * ALGEBRAIC[6] is g_K1 in component potassium_channel (mS_per_mm2).
 * ALGEBRAIC[7] is g_K2 in component potassium_channel (mS_per_mm2).
 * STATES[3] is n in component potassium_channel_n_gate (dimensionless).
 * ALGEBRAIC[8] is alpha_n in component potassium_channel_n_gate (per_ms).
 * ALGEBRAIC[9] is beta_n in component potassium_channel_n_gate (per_ms).
 * CONSTANTS[5] is g_L in component leakage_current (mS_per_mm2).
 * CONSTANTS[6] is E_L in component leakage_current (mV).
 * RATES[0] is d/dt V in component membrane (mV).
 * RATES[1] is d/dt m in component sodium_channel_m_gate (dimensionless).
 * RATES[2] is d/dt h in component sodium_channel_h_gate (dimensionless).
 * RATES[3] is d/dt n in component potassium_channel_n_gate (dimensionless).
 * There are a total of 0 condition variables.
 */
void
initConsts(double* CONSTANTS, double* RATES, double *STATES)
{
CONSTANTS[0] = 0.0;
CONSTANTS[1] = 0.0;
STATES[0] = -73.8;
CONSTANTS[2] = 0.12;
CONSTANTS[3] = 4.0;
CONSTANTS[4] = 40.0;
STATES[1] = 0.05;
STATES[2] = 0.785;
STATES[3] = 0.0935;
CONSTANTS[5] = 0.0;
CONSTANTS[6] = -60.0;
CONSTANTS[7] = CONSTANTS[0];
RATES[0] = 0.1001;
RATES[1] = 0.1001;
RATES[2] = 0.1001;
RATES[3] = 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[0] - (ALGEBRAIC[1]+ALGEBRAIC[11]+ALGEBRAIC[10]))/CONSTANTS[2];
resid[1] = RATES[1] -  ALGEBRAIC[2]*(1.00000 - STATES[1]) -  ALGEBRAIC[3]*STATES[1];
resid[2] = RATES[2] -  ALGEBRAIC[4]*(1.00000 - STATES[2]) -  ALGEBRAIC[5]*STATES[2];
resid[3] = RATES[3] -  ALGEBRAIC[8]*(1.00000 - STATES[3]) -  ALGEBRAIC[9]*STATES[3];
}
void
computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[0] =  pow(STATES[1], 3.00000)*STATES[2]*CONSTANTS[3];
}
void
computeEssentialVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC)
{
ALGEBRAIC[1] =  ( CONSTANTS[3]*pow(STATES[1], 3.00000)*STATES[2]+0.00140000)*(STATES[0] - CONSTANTS[4]);
ALGEBRAIC[2] = ( 0.100000*(- STATES[0] - 48.0000))/(exp((- STATES[0] - 48.0000)/15.0000) - 1.00000);
ALGEBRAIC[3] = ( 0.120000*(STATES[0]+8.00000))/(exp((STATES[0]+8.00000)/5.00000) - 1.00000);
ALGEBRAIC[4] =  0.170000*exp((- STATES[0] - 90.0000)/20.0000);
ALGEBRAIC[5] = 1.00000/(1.00000+exp((- STATES[0] - 42.0000)/10.0000));
ALGEBRAIC[8] = ( 0.000100000*(- STATES[0] - 50.0000))/(exp((- STATES[0] - 50.0000)/10.0000) - 1.00000);
ALGEBRAIC[9] =  0.00200000*exp((- STATES[0] - 90.0000)/80.0000);
ALGEBRAIC[10] =  CONSTANTS[5]*(STATES[0] - CONSTANTS[6]);
ALGEBRAIC[6] =  0.0120000*exp((- STATES[0] - 90.0000)/50.0000)+ 0.000150000*exp((STATES[0]+90.0000)/60.0000);
ALGEBRAIC[7] =  0.0120000*pow(STATES[3], 4.00000);
ALGEBRAIC[11] =  (ALGEBRAIC[6]+ALGEBRAIC[7]+CONSTANTS[1])*(STATES[0]+100.000);
}
void
getStateInformation(double* SI)
{
SI[0] = 1.0;
SI[1] = 1.0;
SI[2] = 1.0;
SI[3] = 1.0;
}
void
computeRoots(double VOI, double* CONSTANTS, double* RATES, double* OLDRATES, double* STATES,
             double* OLDSTATES, double* ALGEBRAIC, double* CONDVARS)
{
}