Use more specific exceptions for infinite and NaN inputs

Author: Andreu Correa Casablanca

src/Decimal.php

@@ -4,6 +4,8 @@
 
 use Litipk\BigNumbers\DecimalConstants as DecimalConstants;
 
+use Litipk\BigNumbers\Errors\InfiniteInputError;
+use Litipk\BigNumbers\Errors\NaNInputError;
 use Litipk\BigNumbers\Errors\NotImplementedError;
 use Litipk\Exceptions\InvalidArgumentTypeException as InvalidArgumentTypeException;
 
@@ -80,11 +82,9 @@ public static function fromFloat(float $fltValue, int $scale = null, bool $remov
         self::paramsValidation($fltValue, $scale);
 
         if (\is_infinite($fltValue)) {
-            throw new \InvalidArgumentException('fltValue must be a finite number');
+            throw new InfiniteInputError('fltValue must be a finite number');
         } elseif (\is_nan($fltValue)) {
-            throw new \DomainException(
-                "To ensure consistency, this class doesn't handle NaN objects."
-            );
+            throw new NaNInputError("To ensure consistency, this class doesn't handle NaN objects.");
         }
 
         $defaultScale = 16;

src/Errors/InfiniteInputError.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Litipk\BigNumbers\Errors;
+use DomainException;
+
+class InfiniteInputError extends DomainException implements BigNumbersError
+{
+    public function __construct(string $message = 'Infinite values are not supported')
+    {
+        parent::__construct($message, 0, null);
+    }
+}

src/Errors/NaNInputError.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Litipk\BigNumbers\Errors;
+use DomainException;
+
+class NaNInputError extends DomainException implements BigNumbersError
+{
+    public function __construct(string $message = 'NaN values are not supported')
+    {
+        parent::__construct($message, 0, null);
+    }
+}