Skip to content

Support double/float calculation #29

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
m3m0r7 merged 5 commits into from
Mar 4, 2019
Merged

Support double/float calculation #29

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
59437bc
Support double calculation
m3m0r7 Mar 3, 2019
b18cb17
Support double/float calculation.
m3m0r7 Mar 4, 2019
5078677
Update readme and fix phpcs
m3m0r7 Mar 4, 2019
5fd327f
Update readme [skip ci]
m3m0r7 Mar 4, 2019
4c5c68f
Update binary tools
m3m0r7 Mar 4, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Update binary tools
  • Loading branch information
@m3m0r7
m3m0r7 committed Mar 4, 2019
commit 4c5c68fa52fc2cc06117f1119cfae94ddd231307
6 changes: 3 additions & 3 deletions src/Utilities/BinaryTool.php
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -196,7 +196,7 @@ final public static function andBits($value1, $value2, $bytes)
return base_convert($build, 2, 10);
}

final public static function convertDoubleToIEEE754($doubleValue, $rounded = 8)
final public static function convertDoubleToIEEE754($doubleValue)
{
$bits = $doubleValue;
$s = ($bits >> 63) == 0 ? 1 : -1;
Expand All @@ -205,12 +205,12 @@ final public static function convertDoubleToIEEE754($doubleValue, $rounded = 8)
return $s * $m * pow(2, $e - 1075);
}

final public static function convertFloatToIEEE754($floatValue, $rounded = 8)
final public static function convertFloatToIEEE754($floatValue)
{
$bits = $floatValue;
$s = ($bits >> 31) == 0 ? 1 : -1;
$e = ($bits >> 23) & 0xff;
$m = ($e == 0) ? ($bits & 0x7fffff) << 1 : ($bits & 0x7fffff) | 0x800000;;
$m = ($e == 0) ? (($bits & 0x7fffff) << 1) : ($bits & 0x7fffff) | 0x800000;
return $s * $m * pow(2, $e - 150);
}
}