rfc:gmp_number

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Last revisionBoth sides next revision
rfc:gmp_number [2013/12/30 23:53] – yohgakirfc:gmp_number [2014/01/04 07:05] – Extract gmp float related changes to a separate RFC pollita
Line 23: Line 23:
  
 ==== Add GMP float support to GMP module ==== ==== Add GMP float support to GMP module ====
-Add GMP float support to GMP module.+<del>Add GMP float support to GMP module.
  
   * Add all GMP float API wrapper to module.   * Add all GMP float API wrapper to module.
   * GMP float API wrapper supports PHP int/float and GMP int/float. Conversion is done automatically.   * GMP float API wrapper supports PHP int/float and GMP int/float. Conversion is done automatically.
-  * Default precision: 256 (?)+  * Default precision: 256 (?)</del>
  
-==== Add GMP float support to Zend OP ===== +Extracted out to a separate RFC: [[rfc:gmp-floating-point|GMP Floating Point Support]]
-Add GMP float support to operators. +
- +
-  * Arithmetic with GMP float and any number(PHP int/float, GMP int) is promoted to GMP float.+
  
 ==== Add math function compatibility ===== ==== Add math function compatibility =====
Line 72: Line 69:
   bool(false)   bool(false)
   bool(false)   bool(false)
 +
 +
 +== Current math function behavior ==
 +
 +GMP float is not supported.
 +  php > $f = 2.2;
 +  php > $gf = gmp_init($f);
 +  
 +  Warning: gmp_init(): Unable to convert variable to GMP - wrong type in php shell code on line 1
 +
 +max()/min()
 +  php > $g = gmp_init(123);
 +  php > var_dump($v);
 +  object(GMP)#4 (1) {
 +    ["num"]=>
 +    string(1) "0"
 +  }
 +  php > $g = gmp_init(5);
 +  php > var_dump(max(1,2,$g));
 +  object(GMP)#1 (1) {
 +    ["num"]=>
 +    string(1) "5"
 +  }
 +  php > var_dump(min(1,2,$g));
 +  int(1)
 +  php > var_dump(min($g, 6, 7));
 +  object(GMP)#1 (1) {
 +    ["num"]=>
 +    string(1) "5"
 +  }
  
  
Line 98: Line 125:
  
 PHP 5.6 or later PHP 5.6 or later
- 
-===== Impact to Existing Extensions ===== 
- 
-GMP module will have GMP float support. 
- 
-===== php.ini Defaults ===== 
- 
-If there are any php.ini settings then list: 
- 
-  * hardcoded default values 
-     * gmp_precision=256 
- 
-  * php.ini-development values 
-     * gmp_precision=256 
- 
-  * php.ini-production values 
-     * gmp_precision=256 
  
 ===== Open Issues ===== ===== Open Issues =====
Line 123: Line 133:
     * Implement autoboxing like feature     * Implement autoboxing like feature
   * How GMP number should behave (Like PHP or Ruby?)   * How GMP number should behave (Like PHP or Ruby?)
-  * GMP float support API design 
-  * gmp_precision default value 
  
 ===== Future Scope ===== ===== Future Scope =====
Line 153: Line 161:
  
 Keep this updated with features that were discussed on the mail lists. Keep this updated with features that were discussed on the mail lists.
- 
- 
rfc/gmp_number.txt · Last modified: 2017/09/22 13:28 by 127.0.0.1

Page Tools