/* There are a total of 22 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 15 entries in the constant variable array. */ /* * VOI is t in component environment (second). * CONSTANTS[0] is C_m in component environment (fF). * STATES[0] is q_K_o in component environment (fmol). * STATES[1] is q_K_i in component environment (fmol). * STATES[2] is q_S_Ks0 in component environment (fmol). * STATES[3] is q_S_Ks1 in component environment (fmol). * STATES[4] is q_S_Ks2 in component environment (fmol). * STATES[5] is q_mem in component environment (fC). * ALGEBRAIC[0] is Vmem 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[15] is v_Ks in component Ks (fmol_per_sec). * ALGEBRAIC[19] is I_mem_Ks in component Ks (fA). * ALGEBRAIC[17] is i_Ks in component environment (uA_per_uF). * CONSTANTS[4] is kappa_Ks in component Ks_parameters (fmol_per_sec). * CONSTANTS[5] is kappa_xs1 in component Ks_parameters (fmol_per_sec). * CONSTANTS[6] is kappa_xs2 in component Ks_parameters (fmol_per_sec). * CONSTANTS[7] is K_K_i in component Ks_parameters (per_fmol). * CONSTANTS[8] is K_K_o in component Ks_parameters (per_fmol). * CONSTANTS[9] is K_S_Ks0 in component Ks_parameters (per_fmol). * CONSTANTS[10] is K_S_Ks1 in component Ks_parameters (per_fmol). * CONSTANTS[11] is K_S_Ks2 in component Ks_parameters (per_fmol). * CONSTANTS[12] is zK in component Ks_parameters (dimensionless). * CONSTANTS[13] is z_xs_f in component Ks_parameters (dimensionless). * CONSTANTS[14] is z_xs_r in component Ks_parameters (dimensionless). * ALGEBRAIC[1] is u_K_i in component Ks (J_per_mol). * ALGEBRAIC[2] is u_K_o in component Ks (J_per_mol). * ALGEBRAIC[3] is V_mem in component Ks (J_per_C). * ALGEBRAIC[4] is Am_Ks in component Ks (J_per_mol). * ALGEBRAIC[13] is Af_Ks in component Ks (J_per_mol). * ALGEBRAIC[14] is Ar_Ks in component Ks (J_per_mol). * ALGEBRAIC[11] is v_S_Ks0 in component Ks (fmol_per_sec). * ALGEBRAIC[20] is v_S_Ks1 in component Ks (fmol_per_sec). * ALGEBRAIC[21] is v_S_Ks2 in component Ks (fmol_per_sec). * ALGEBRAIC[10] is v_xs1 in component Ks (fmol_per_sec). * ALGEBRAIC[18] is v_xs2 in component Ks (fmol_per_sec). * ALGEBRAIC[5] is mu_S_Ks0 in component Ks (J_per_mol). * ALGEBRAIC[7] is mu_S_Ks1 in component Ks (J_per_mol). * ALGEBRAIC[12] is mu_S_Ks2 in component Ks (J_per_mol). * ALGEBRAIC[6] is Af_xs1 in component Ks (J_per_mol). * ALGEBRAIC[8] is Ar_xs1 in component Ks (J_per_mol). * ALGEBRAIC[9] is Af_xs2 in component Ks (J_per_mol). * ALGEBRAIC[16] is Ar_xs2 in component Ks (J_per_mol). * RATES[1] is d/dt q_K_i in component environment (fmol). * RATES[0] is d/dt q_K_o in component environment (fmol). * RATES[5] is d/dt q_mem in component environment (fC). * RATES[2] is d/dt q_S_Ks0 in component environment (fmol). * RATES[3] is d/dt q_S_Ks1 in component environment (fmol). * RATES[4] is d/dt q_S_Ks2 in component environment (fmol). */ void initConsts(double* CONSTANTS, double* RATES, double *STATES) { CONSTANTS[0] = 153400; STATES[0] = 27.9828; STATES[1] = 5510; STATES[2] = 9.742056902468725e-06; STATES[3] = 9.742056902468725e-06; STATES[4] = 9.742056902468725e-06; STATES[5] = -13039; CONSTANTS[1] = 8.31; CONSTANTS[2] = 310; CONSTANTS[3] = 96500; CONSTANTS[4] = 27.8683; CONSTANTS[5] = 0.523159; CONSTANTS[6] = 1.86539; CONSTANTS[7] = 0.153461; CONSTANTS[8] = 1.01873; CONSTANTS[9] = 4.456; CONSTANTS[10] = 0.624857; CONSTANTS[11] = 0.350491; CONSTANTS[12] = 1; CONSTANTS[13] = 0.000400323747581994; CONSTANTS[14] = -1.41544821457997; } void computeRates(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC) { ALGEBRAIC[3] = STATES[5]/CONSTANTS[0]; ALGEBRAIC[5] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[9]*STATES[2]); ALGEBRAIC[6] = ALGEBRAIC[5]+ CONSTANTS[13]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[7] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[10]*STATES[3]); ALGEBRAIC[8] = ALGEBRAIC[7]+ CONSTANTS[14]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[10] = CONSTANTS[5]*(exp(ALGEBRAIC[6]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[8]/( CONSTANTS[1]*CONSTANTS[2]))); ALGEBRAIC[11] = - ALGEBRAIC[10]; RATES[2] = ALGEBRAIC[11]; ALGEBRAIC[4] = CONSTANTS[12]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[1] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[7]*STATES[1]); ALGEBRAIC[12] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[11]*STATES[4]); ALGEBRAIC[13] = ALGEBRAIC[12]+ALGEBRAIC[1]+ALGEBRAIC[4]; ALGEBRAIC[2] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[8]*STATES[0]); ALGEBRAIC[14] = ALGEBRAIC[12]+ALGEBRAIC[2]; ALGEBRAIC[15] = (ALGEBRAIC[4]==0.00000 ? 1.00000*CONSTANTS[4]*(exp(ALGEBRAIC[13]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[14]/( CONSTANTS[1]*CONSTANTS[2]))) : ((( 1.00000*CONSTANTS[4]*ALGEBRAIC[4])/( CONSTANTS[1]*CONSTANTS[2]))/(exp(ALGEBRAIC[4]/( CONSTANTS[1]*CONSTANTS[2])) - 1.00000))*(exp(ALGEBRAIC[13]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[14]/( CONSTANTS[1]*CONSTANTS[2])))); RATES[1] = - ALGEBRAIC[15]; RATES[0] = ALGEBRAIC[15]; ALGEBRAIC[9] = ALGEBRAIC[7]+ CONSTANTS[13]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[16] = ALGEBRAIC[12]+ CONSTANTS[14]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[18] = CONSTANTS[6]*(exp(ALGEBRAIC[9]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[16]/( CONSTANTS[1]*CONSTANTS[2]))); ALGEBRAIC[19] = CONSTANTS[3]*( - CONSTANTS[12]*ALGEBRAIC[15]+ (ALGEBRAIC[10]+ALGEBRAIC[18])*(CONSTANTS[14] - CONSTANTS[13])); RATES[5] = ALGEBRAIC[19]; ALGEBRAIC[20] = ALGEBRAIC[10] - ALGEBRAIC[18]; RATES[3] = ALGEBRAIC[20]; ALGEBRAIC[21] = ALGEBRAIC[18]; RATES[4] = ALGEBRAIC[21]; } void computeVariables(double VOI, double* CONSTANTS, double* RATES, double* STATES, double* ALGEBRAIC) { ALGEBRAIC[3] = STATES[5]/CONSTANTS[0]; ALGEBRAIC[5] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[9]*STATES[2]); ALGEBRAIC[6] = ALGEBRAIC[5]+ CONSTANTS[13]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[7] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[10]*STATES[3]); ALGEBRAIC[8] = ALGEBRAIC[7]+ CONSTANTS[14]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[10] = CONSTANTS[5]*(exp(ALGEBRAIC[6]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[8]/( CONSTANTS[1]*CONSTANTS[2]))); ALGEBRAIC[11] = - ALGEBRAIC[10]; ALGEBRAIC[4] = CONSTANTS[12]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[1] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[7]*STATES[1]); ALGEBRAIC[12] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[11]*STATES[4]); ALGEBRAIC[13] = ALGEBRAIC[12]+ALGEBRAIC[1]+ALGEBRAIC[4]; ALGEBRAIC[2] = CONSTANTS[1]*CONSTANTS[2]*log( CONSTANTS[8]*STATES[0]); ALGEBRAIC[14] = ALGEBRAIC[12]+ALGEBRAIC[2]; ALGEBRAIC[15] = (ALGEBRAIC[4]==0.00000 ? 1.00000*CONSTANTS[4]*(exp(ALGEBRAIC[13]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[14]/( CONSTANTS[1]*CONSTANTS[2]))) : ((( 1.00000*CONSTANTS[4]*ALGEBRAIC[4])/( CONSTANTS[1]*CONSTANTS[2]))/(exp(ALGEBRAIC[4]/( CONSTANTS[1]*CONSTANTS[2])) - 1.00000))*(exp(ALGEBRAIC[13]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[14]/( CONSTANTS[1]*CONSTANTS[2])))); ALGEBRAIC[9] = ALGEBRAIC[7]+ CONSTANTS[13]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[16] = ALGEBRAIC[12]+ CONSTANTS[14]*CONSTANTS[3]*ALGEBRAIC[3]; ALGEBRAIC[18] = CONSTANTS[6]*(exp(ALGEBRAIC[9]/( CONSTANTS[1]*CONSTANTS[2])) - exp(ALGEBRAIC[16]/( CONSTANTS[1]*CONSTANTS[2]))); ALGEBRAIC[19] = CONSTANTS[3]*( - CONSTANTS[12]*ALGEBRAIC[15]+ (ALGEBRAIC[10]+ALGEBRAIC[18])*(CONSTANTS[14] - CONSTANTS[13])); ALGEBRAIC[20] = ALGEBRAIC[10] - ALGEBRAIC[18]; ALGEBRAIC[21] = ALGEBRAIC[18]; ALGEBRAIC[0] = STATES[5]/CONSTANTS[0]; ALGEBRAIC[17] = (( 1.00000e-09*CONSTANTS[3])/CONSTANTS[0])*ALGEBRAIC[15]; }