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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Golden-ratio-Convergence/Phix/golden-ratio-convergence.phix Normal file
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<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">Phi</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">iter</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span>
<span style="color: #008080;">do</span>
<span style="color: #004080;">atom</span> <span style="color: #000000;">Pi</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">Phi</span>
<span style="color: #000000;">Phi</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">/</span><span style="color: #000000;">Phi</span>
<span style="color: #000000;">iter</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">1</span>
<span style="color: #008080;">until</span> <span style="color: #7060A8;">abs</span><span style="color: #0000FF;">(</span><span style="color: #000000;">Phi</span><span style="color: #0000FF;">-</span><span style="color: #000000;">Pi</span><span style="color: #0000FF;">)<</span><span style="color: #000000;">1e-5</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"Result: %.14f after %d iterations\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">Phi</span><span style="color: #0000FF;">,</span><span style="color: #000000;">iter</span><span style="color: #0000FF;">})</span>
<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"Error: %.14f\n"</span><span style="color: #0000FF;">,{</span><span style="color: #000000;">Phi</span><span style="color: #0000FF;">-(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">+</span><span style="color: #7060A8;">sqrt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">5</span><span style="color: #0000FF;">))/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">})</span>
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