owncloud /
music
| @@ 362-389 (lines=28) @@ | ||
| 359 | } |
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| 360 | ||
| 361 | ||
| 362 | if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) { |
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| 363 | // Not a Number |
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| 364 | $floatvalue = false; |
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| 365 | } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { |
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| 366 | if ($signbit == '1') { |
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| 367 | $floatvalue = '-infinity'; |
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| 368 | } else { |
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| 369 | $floatvalue = '+infinity'; |
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| 370 | } |
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| 371 | } elseif (($exponent == 0) && ($fraction == 0)) { |
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| 372 | if ($signbit == '1') { |
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| 373 | $floatvalue = -0; |
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| 374 | } else { |
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| 375 | $floatvalue = 0; |
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| 376 | } |
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| 377 | $floatvalue = ($signbit ? 0 : -0); |
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| 378 | } elseif (($exponent == 0) && ($fraction != 0)) { |
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| 379 | // These are 'unnormalized' values |
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| 380 | $floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * DecimalBinary2Float($fractionstring); |
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| 381 | if ($signbit == '1') { |
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| 382 | $floatvalue *= -1; |
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| 383 | } |
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| 384 | } elseif ($exponent != 0) { |
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| 385 | $floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + DecimalBinary2Float($fractionstring)); |
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| 386 | if ($signbit == '1') { |
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| 387 | $floatvalue *= -1; |
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| 388 | } |
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| 389 | } |
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| 390 | return (float) $floatvalue; |
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| 391 | } |
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| 392 | } |
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| @@ 298-325 (lines=28) @@ | ||
| 295 | $exponent = self::Bin2Dec($exponentstring); |
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| 296 | $fraction = self::Bin2Dec($fractionstring); |
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| 297 | ||
| 298 | if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) { |
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| 299 | // Not a Number |
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| 300 | $floatvalue = false; |
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| 301 | } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) { |
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| 302 | if ($signbit == '1') { |
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| 303 | $floatvalue = '-infinity'; |
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| 304 | } else { |
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| 305 | $floatvalue = '+infinity'; |
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| 306 | } |
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| 307 | } elseif (($exponent == 0) && ($fraction == 0)) { |
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| 308 | if ($signbit == '1') { |
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| 309 | $floatvalue = -0; |
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| 310 | } else { |
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| 311 | $floatvalue = 0; |
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| 312 | } |
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| 313 | $floatvalue = ($signbit ? 0 : -0); |
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| 314 | } elseif (($exponent == 0) && ($fraction != 0)) { |
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| 315 | // These are 'unnormalized' values |
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| 316 | $floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * self::DecimalBinary2Float($fractionstring); |
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| 317 | if ($signbit == '1') { |
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| 318 | $floatvalue *= -1; |
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| 319 | } |
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| 320 | } elseif ($exponent != 0) { |
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| 321 | $floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + self::DecimalBinary2Float($fractionstring)); |
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| 322 | if ($signbit == '1') { |
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| 323 | $floatvalue *= -1; |
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| 324 | } |
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| 325 | } |
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| 326 | return (float) $floatvalue; |
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| 327 | } |
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| 328 | ||
