[clang] [llvm] [C++23] [CLANG] Adding C++23 constexpr math functions: fmin, fmax and frexp. (PR #88978)

[Hubert Tong via cfe-commits]

================
@@ -14572,6 +14572,9 @@ bool FloatExprEvaluator::VisitCallExpr(const CallExpr 
*E) {
     int FrexpExp;
     llvm::RoundingMode RM = getActiveRoundingMode(Info, E);
     Result = llvm::frexp(Result, FrexpExp, RM);
+    if (!Result.isZero() && !Result.isNaN() && !Result.isInfinity())
+      assert(llvm::APFloat::isInRange(Result) &&
+            "The value is not in the expected range for frexp.");
----------------
hubert-reinterpretcast wrote:

assert((Result.isZero() || Result.isNaN() || Result.isInfinity() || ...) && 
"...");



https://github.com/llvm/llvm-project/pull/88978
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