rfc:grisu3-strtod
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| rfc:grisu3-strtod [2011/07/15 16:34] – dsp | rfc:grisu3-strtod [2017/09/22 13:28] (current) – external edit 127.0.0.1 | ||
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| * Date: 2011-07-15 | * Date: 2011-07-15 | ||
| * Author: David Soria Parra <dsp at php dot net> | * Author: David Soria Parra <dsp at php dot net> | ||
| - | * Status: | + | * Status: |
| * Proposed for: PHP 5.4 | * Proposed for: PHP 5.4 | ||
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| Using grisu3 will speed up string to double and double to string conversions. In particular json_encode and json_decode | Using grisu3 will speed up string to double and double to string conversions. In particular json_encode and json_decode | ||
| of json data includign doubles will be faster. Simple microbenchmarks show about 20% faster json_decode. | of json data includign doubles will be faster. Simple microbenchmarks show about 20% faster json_decode. | ||
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| + | The library includes strtod (string to double) and dtoa (double to string) conversion methods. | ||
| + | zend_strtod and zend_dtoa will provide the same signature. The current algorithm will be moved to zend_strtod_dragon4.c | ||
| + | and the zend_strtod/ | ||
| ===== Common Misconceptions ===== | ===== Common Misconceptions ===== | ||
rfc/grisu3-strtod.1310747642.txt.gz · Last modified: 2017/09/22 13:28 (external edit)