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Rename t to tn to avoid t shadowing the t from the function header 

void cpmslineAnalyseDispersion (double W, double h, double s,
				   double t, double er, double Zle,
...
pre-master-46
Holger Vogt 7 months ago
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94740a3d2b
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c45d1e0974
1 changed files with 20 additions and 20 deletions
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  1. 40
      src/xspice/tlines/msline_common.c

40
src/xspice/tlines/msline_common.c
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@ -568,13 +568,13 @@ void cpmslineAnalyseDispersion (double W, double h, double s,
*ErEffoFreq = er - (er - ErEffo) / (1 + Fo); *ErEffoFreq = er - (er - ErEffo) / (1 + Fo);
// dispersion of even characteristic impedance // dispersion of even characteristic impedance
double t, q11, q12, q13, q14, q15, q16, q17, q18, q19, q20, q21;
double tn, q11, q12, q13, q14, q15, q16, q17, q18, q19, q20, q21;
q11 = 0.893 * (1 - 0.3 / (1 + 0.7 * (er - 1))); q11 = 0.893 * (1 - 0.3 / (1 + 0.7 * (er - 1)));
t = pow (fn / 20, 4.91);
q12 = 2.121 * t / (1 + q11 * t) * exp (-2.87 * g) * pow (g, 0.902);
tn = pow (fn / 20, 4.91);
q12 = 2.121 * tn / (1 + q11 * tn) * exp (-2.87 * g) * pow (g, 0.902);
q13 = 1 + 0.038 * pow (er / 8, 5.1); q13 = 1 + 0.038 * pow (er / 8, 5.1);
t = quadr (er / 15);
q14 = 1 + 1.203 * t / (1 + t);
tn = quadr (er / 15);
q14 = 1 + 1.203 * tn / (1 + tn);
q15 = 1.887 * exp (-1.5 * pow (g, 0.84)) * pow (g, q14) / q15 = 1.887 * exp (-1.5 * pow (g, 0.84)) * pow (g, q14) /
(1 + 0.41 * pow (fn / 15, 3.) * (1 + 0.41 * pow (fn / 15, 3.) *
pow (u, 2 / q13) / (0.125 + pow (u, 1.626 / q13))); pow (u, 2 / q13) / (0.125 + pow (u, 1.626 / q13)));
@ -586,9 +586,9 @@ void cpmslineAnalyseDispersion (double W, double h, double s,
q19 = 0.21 * quadr (g) / (1 + 0.18 * pow (g, 4.9)) / (1 + 0.1 * sqr (u)) / q19 = 0.21 * quadr (g) / (1 + 0.18 * pow (g, 4.9)) / (1 + 0.1 * sqr (u)) /
(1 + pow (fn / 24, 3.)); (1 + pow (fn / 24, 3.));
q20 = q19 * (0.09 + 1 / (1 + 0.1 * pow (er - 1, 2.7))); q20 = q19 * (0.09 + 1 / (1 + 0.1 * pow (er - 1, 2.7)));
t = pow (u, 2.5);
q21 = fabs (1 - 42.54 * pow (g, 0.133) * exp (-0.812 * g) * t /
(1 + 0.033 * t));
tn = pow (u, 2.5);
q21 = fabs (1 - 42.54 * pow (g, 0.133) * exp (-0.812 * g) * tn /
(1 + 0.033 * tn));
double re, qe, pe, de, Ce, q0, ZlFreq, ErEffFreq; double re, qe, pe, de, Ce, q0, ZlFreq, ErEffFreq;
Kirschning_er (u, fn, er, ErEffe, &ErEffFreq); Kirschning_er (u, fn, er, ErEffe, &ErEffFreq);
@ -596,9 +596,9 @@ void cpmslineAnalyseDispersion (double W, double h, double s,
re = pow (fn / 28.843, 12.); re = pow (fn / 28.843, 12.);
qe = 0.016 + pow (0.0514 * er * q21, 4.524); qe = 0.016 + pow (0.0514 * er * q21, 4.524);
pe = 4.766 * exp (-3.228 * pow (u, 0.641)); pe = 4.766 * exp (-3.228 * pow (u, 0.641));
t = pow (er - 1, 6.);
tn = pow (er - 1, 6.);
de = 5.086 * qe * re / (0.3838 + 0.386 * qe) * de = 5.086 * qe * re / (0.3838 + 0.386 * qe) *
exp (-22.2 * pow (u, 1.92)) / (1 + 1.2992 * re) * t / (1 + 10 * t);
exp (-22.2 * pow (u, 1.92)) / (1 + 1.2992 * re) * tn / (1 + 10 * tn);
Ce = 1 + 1.275 * (1 - exp (-0.004625 * pe * pow (er, 1.674) * Ce = 1 + 1.275 * (1 - exp (-0.004625 * pe * pow (er, 1.674) *
pow (fn / 18.365, 2.745))) - q12 + q16 - q17 + q18 + q20; pow (fn / 18.365, 2.745))) - q12 + q16 - q17 + q18 + q20;
*ZleFreq = Zle * pow ((0.9408 * pow (ErEffFreq, Ce) - 0.9603) / *ZleFreq = Zle * pow ((0.9408 * pow (ErEffFreq, Ce) - 0.9603) /
@ -609,19 +609,19 @@ void cpmslineAnalyseDispersion (double W, double h, double s,
Kirschning_er (u, fn, er, ErEffo, &ErEffFreq); Kirschning_er (u, fn, er, ErEffo, &ErEffFreq);
Kirschning_zl (u, fn, er, ErEffo, ErEffFreq, Zlo, &q0, &ZlFreq); Kirschning_zl (u, fn, er, ErEffo, ErEffFreq, Zlo, &q0, &ZlFreq);
q29 = 15.16 / (1 + 0.196 * sqr (er - 1)); q29 = 15.16 / (1 + 0.196 * sqr (er - 1));
t = sqr (er - 1);
q25 = 0.3 * sqr (fn) / (10 + sqr (fn)) * (1 + 2.333 * t / (5 + t));
t = pow ((er - 1) / 13, 12.);
q26 = 30 - 22.2 * t / (1 + 3 * t) - q29;
t = pow (er - 1, 1.5);
q27 = 0.4 * pow (g, 0.84) * (1 + 2.5 * t / (5 + t));
t = pow (er - 1, 3.);
q28 = 0.149 * t / (94.5 + 0.038 * t);
tn = sqr (er - 1);
q25 = 0.3 * sqr (fn) / (10 + sqr (fn)) * (1 + 2.333 * tn / (5 + tn));
tn = pow ((er - 1) / 13, 12.);
q26 = 30 - 22.2 * tn / (1 + 3 * tn) - q29;
tn = pow (er - 1, 1.5);
q27 = 0.4 * pow (g, 0.84) * (1 + 2.5 * tn / (5 + tn));
tn = pow (er - 1, 3.);
q28 = 0.149 * tn / (94.5 + 0.038 * tn);
q22 = 0.925 * pow (fn / q26, 1.536) / (1 + 0.3 * pow (fn / 30, 1.536)); q22 = 0.925 * pow (fn / q26, 1.536) / (1 + 0.3 * pow (fn / 30, 1.536));
q23 = 1 + 0.005 * fn * q27 / (1 + 0.812 * pow (fn / 15, 1.9)) / q23 = 1 + 0.005 * fn * q27 / (1 + 0.812 * pow (fn / 15, 1.9)) /
(1 + 0.025 * sqr (u)); (1 + 0.025 * sqr (u));
t = pow (u, 0.894);
q24 = 2.506 * q28 * t / (3.575 + t) *
tn = pow (u, 0.894);
q24 = 2.506 * q28 * tn / (3.575 + tn) *
pow ((1 + 1.3 * u) * fn / 99.25, 4.29); pow ((1 + 1.3 * u) * fn / 99.25, 4.29);
*ZloFreq = ZlFreq + (Zlo * pow (*ErEffoFreq / ErEffo, q22) - ZlFreq * q23) / *ZloFreq = ZlFreq + (Zlo * pow (*ErEffoFreq / ErEffo, q22) - ZlFreq * q23) /
(1 + q24 + pow (0.46 * g, 2.2) * q25); (1 + q24 + pow (0.46 * g, 2.2) * q25);

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