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import fL from './fL';
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export default function(eccent, ts) {
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var phi = fL(1, ts);
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var Iphi = 0;
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var con = 0;
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do {
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Iphi = phi;
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con = eccent * Math.sin(Iphi);
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phi = fL(Math.exp(eccent * Math.log((1 + con) / (1 - con)) / 2), ts);
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} while (Math.abs(phi - Iphi) > 1.0e-12);
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return phi;
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} |
