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<?php |
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/** |
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* Egenskap Kod. |
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* @author Niklas Dougherty |
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*/ |
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declare(strict_types=1); |
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namespace Tips\Egenskaper; |
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/** |
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* Egenskap Kod. |
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* Information för vissa täckningskoder (BCH-koder för topptipset) |
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*/ |
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trait Kod { |
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use KodMatris; |
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/** |
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* Visa generell information om kod. |
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* @param array<int, int[]> $generatormatris |
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* @param array<int, int[]> $kontrollmatris |
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* @param array<int, int[]> $matris |
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* @param int[] $bch |
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* @param string[] $text |
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*/ |
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private function visa_kodinformation( |
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array $generatormatris, |
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array $kontrollmatris, |
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array $matris, |
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array $bch, // [n, b, d, F] |
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int $tab, // indrag |
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array $text, |
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string $vektordistribution = '' |
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): string { |
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/** |
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* Exponent och index. |
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*/ |
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$bch_bi = n_index($bch[3]); // 𝔽₃ |
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$bch_ke = n_exponent($bch[1]); // 3⁶ |
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/** |
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* Karakteristik. |
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*/ |
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$redundans = $bch[0] - $bch[1]; |
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$volym = number_format($volym_s = pow($bch[3], $bch[1]), 0, ',', ' '); |
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$rymd = number_format($rum = pow($bch[3], $bch[0]), 0, ',', ' '); |
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$reduktion = number_format(fdiv($rum, $volym_s), 0, ',', ' '); |
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/** |
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* Sammanställ data. |
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*/ |
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$kodinformation = <<< EOT |
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<h2>$text[0]:</h2> |
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<p class="större">$text[2]<br> |
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{$text[3]} [{$bch[0]}, {$bch[1]}, {$bch[2]}]$bch_bi{$text[4]} över 𝔽$bch_bi<br> |
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M = {$bch[3]}$bch_ke = $volym; <span class="vinst10">R = {$text[1]}</span><br> |
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n = {$bch[0]}; k = {$bch[1]}; d = {$bch[2]}; redundans = $redundans<br> |
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Rymd: $rymd; reduktion: $reduktion<br> |
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GAP/Guava: <code>{$text[5]}</code></p> |
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EOT; |
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/** |
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* Indrag med tab |
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*/ |
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$info = ''; |
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foreach (explode("\n", $kodinformation) as $t) { |
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$info .= t($tab, $t); |
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} |
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$info = rtrim($info); |
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/** |
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* Viktdistribution. |
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*/ |
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$viktdistribution = rtrim(t($tab, "<p>Viktdistribution: $vektordistribution</p>")); |
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/** |
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* Leverera text. |
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*/ |
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return <<< EOT |
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$info |
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{$this->matris_till_mathml($generatormatris, 'G', $tab)} |
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{$this->matris_till_mathml($kontrollmatris, 'H', $tab)} |
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{$this->matris_till_mathml($matris, 'K', $tab)} |
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$viktdistribution |
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EOT; |
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} |
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} |
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dougherty-dev /
Tips
