Resolve multiplication with NAN to NAN during operator strength reduc…

…tion (address #16)
Muqsit · Nov 3, 2022 · 14442ca · 14442ca
1 parent 3c9b8a0
commit 14442ca
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/muqsit/arithmexp/expression/optimizer/OperatorStrengthReductionExpressionOptimizer.php b/src/muqsit/arithmexp/expression/optimizer/OperatorStrengthReductionExpressionOptimizer.php
@@ -213,6 +213,7 @@ private function processBinaryExpression(Parser $parser, Expression $expression,
 				$this->valueEquals($left, 1) => $right,
 				$this->valueEquals($right, 1) => $left,
 				$this->valueEquals($left, 0), $this->valueEquals($right, 0) => [new NumericLiteralExpressionToken(Util::positionContainingExpressionTokens([...$left, ...$right]), 0)],
+				$this->valueIsNan($left), $this->valueIsNan($right) => [new NumericLiteralExpressionToken(Util::positionContainingExpressionTokens([...$left, ...$right]), NAN)],
 				default => null
 			},
 			"/" => match(true){