[libc-commits] [libc] [libc][NFC] Make FPRep more testable (PR #80453)

[Clement Courbet via libc-commits]

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@@ -220,10 +242,11 @@ template <FPType fp_type> struct FPStorage : public FPLayout<fp_type> {
   struct Exponent : public TypedInt<int32_t> {
     using UP = TypedInt<int32_t>;
     using UP::UP;
-    LIBC_INLINE
-    static constexpr auto MIN() { return Exponent(1 - EXP_BIAS); }
+    LIBC_INLINE static constexpr auto SUB() { return Exponent(-EXP_BIAS); }
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legrosbuffle wrote:

`SUB` is not immediately obvious. Maybe use `SUBNORMAL` ?

https://github.com/llvm/llvm-project/pull/80453