Support double/float calculation.

m3m0r7 · m3m0r7 · commit b18cb170b693 · 2019-03-04T11:12:56.000+09:00
diff --git a/README.md b/README.md
@@ -23,7 +23,6 @@ Sorry, I do not have enough time (T_T)
 
 - Implements
 - Event
-- double/float calculation.
 - Many built-in libraries (ex. java.lang.xxx, java.io.xxx and so on) 
 - etc...
 
diff --git a/composer.json b/composer.json
@@ -3,7 +3,7 @@
     "description": "JVM emulator by PHP",
     "type": "library",
     "license": "MIT",
-    "version": "0.0.4.2-dev",
+    "version": "0.0.4.5-dev",
     "authors": [
         {
             "name": "memory"
diff --git a/src/Kernel/Structures/_Float.php b/src/Kernel/Structures/_Float.php
@@ -16,6 +16,6 @@ public function execute(): void
     }
     public function getBytes()
     {
-        return $this->bytes;
+        return BinaryTool::convertFloatToIEEE754($this->bytes);
     }
 }
diff --git a/src/Utilities/BinaryTool.php b/src/Utilities/BinaryTool.php
@@ -205,4 +205,13 @@ final public static function convertDoubleToIEEE754($doubleValue, $rounded = 8)
             (($bits & 0xfffffffffffff) << 1) : ($bits & 0xfffffffffffff) | 0x10000000000000;
         return $s * $m * pow(2, $e - 1075);
     }
+
+    final public static function convertFloatToIEEE754($floatValue, $rounded = 8)
+    {
+        $bits = $floatValue;
+        $s = ($bits >> 31) == 0 ? 1 : -1;
+        $e = ($bits >> 23) & 0xff;
+        $m = ($e == 0) ? ($bits & 0x7fffff) << 1 : ($bits & 0x7fffff) | 0x800000;;
+        return $s * $m * pow(2, $e - 150);
+    }
 }

Original file line number	Diff line number	Diff line change
`@@ -3,7 +3,7 @@`
`3`	`3`	`"description": "JVM emulator by PHP",`
`4`	`4`	`"type": "library",`
`5`	`5`	`"license": "MIT",`
`6`		`- "version": "0.0.4.2-dev",`
	`6`	`+ "version": "0.0.4.5-dev",`
`7`	`7`	`"authors": [`
`8`	`8`	`{`
`9`	`9`	`"name": "memory"`
Original file line number	Diff line number	Diff line change
`@@ -16,6 +16,6 @@ public function execute(): void`
`16`	`16`	`}`
`17`	`17`	`public function getBytes()`
`18`	`18`	`{`
`19`		`- return $this->bytes;`
	`19`	`+ return BinaryTool::convertFloatToIEEE754($this->bytes);`
`20`	`20`	`}`
`21`	`21`	`}`
Original file line number	Diff line number	Diff line change
`@@ -205,4 +205,13 @@ final public static function convertDoubleToIEEE754($doubleValue, $rounded = 8)`
`205`	`205`	`(($bits & 0xfffffffffffff) << 1) : ($bits & 0xfffffffffffff) \| 0x10000000000000;`
`206`	`206`	`return $s * $m * pow(2, $e - 1075);`
`207`	`207`	`}`
	`208`	`+`
	`209`	`+ final public static function convertFloatToIEEE754($floatValue, $rounded = 8)`
	`210`	`+ {`
	`211`	`+ $bits = $floatValue;`
	`212`	`+ $s = ($bits >> 31) == 0 ? 1 : -1;`
	`213`	`+ $e = ($bits >> 23) & 0xff;`
	`214`	`+ $m = ($e == 0) ? ($bits & 0x7fffff) << 1 : ($bits & 0x7fffff) \| 0x800000;;`
	`215`	`+ return $s * $m * pow(2, $e - 150);`
	`216`	`+ }`
`208`	`217`	`}`