[libc-commits] [libc] [libc][NFC] Make `EXP_MANT_MASK` an implementation detail (PR #75621)

[Guillaume Chatelet via libc-commits]

================
@@ -28,6 +28,36 @@ enum class FPType {
   X86_Binary80,
 };
 
+// Returns the 'FPType' associated with this 'FP' type.
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gchatelet wrote:

This is just moved up in the file so it's closer to `FPType` definition.

https://github.com/llvm/llvm-project/pull/75621