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authornsfisis <nsfisis@gmail.com>2025-04-06 02:23:01 +0900
committernsfisis <nsfisis@gmail.com>2025-04-06 02:23:01 +0900
commitfa9ad79209d85b0677b00ca1d41d070105fec09f (patch)
tree95a81c0909e761e9cecb3cd7333201cb4ac62161 /src/BitOps/Signedness.php
parenta0f17ee6807f9a0605261a11a8ba46c57a9849a0 (diff)
parentde116dceae7ea654df28caab3fd2f3aefdffe188 (diff)
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Merge branch 'fix/float-handling'
Diffstat (limited to 'src/BitOps/Signedness.php')
-rw-r--r--src/BitOps/Signedness.php24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/BitOps/Signedness.php b/src/BitOps/Signedness.php
new file mode 100644
index 0000000..80cd03b
--- /dev/null
+++ b/src/BitOps/Signedness.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\BitOps;
+
+enum Signedness
+{
+ case Unsigned;
+ case Signed;
+
+ public static function fromSignBit(int $b): self
+ {
+ return $b === 0 ? self::Unsigned : self::Signed;
+ }
+
+ public function negated(): self
+ {
+ return match ($this) {
+ self::Unsigned => self::Signed,
+ self::Signed => self::Unsigned,
+ };
+ }
+}