Directly implement operator!=

mborland · mborland · commit 6caf078f5f24 · 2024-07-16T15:16:56.000-04:00
diff --git a/include/boost/decimal/decimal32_fast.hpp b/include/boost/decimal/decimal32_fast.hpp
@@ -485,7 +485,13 @@ constexpr auto operator==(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bo
 
 constexpr auto operator!=(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bool
 {
-    return !(lhs == rhs);
+    return
+            #ifndef BOOST_DECIMAL_FAST_MATH
+            isnan(lhs) || isnan(rhs) ||
+            #endif
+            (lhs.sign_ != rhs.sign_) ||
+            (lhs.exponent_ != rhs.exponent_) ||
+            (lhs.significand_ != rhs.significand_);
 }
 
 constexpr auto operator<(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bool

Original file line number	Diff line number	Diff line change
`@@ -485,7 +485,13 @@ constexpr auto operator==(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bo`
`485`	`485`
`486`	`486`	`constexpr auto operator!=(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bool`
`487`	`487`	`{`
`488`		`- return !(lhs == rhs);`
	`488`	`+ return`
	`489`	`+ #ifndef BOOST_DECIMAL_FAST_MATH`
	`490`	`+ isnan(lhs) \|\| isnan(rhs) \|\|`
	`491`	`+ #endif`
	`492`	`+ (lhs.sign_ != rhs.sign_) \|\|`
	`493`	`+ (lhs.exponent_ != rhs.exponent_) \|\|`
	`494`	`+ (lhs.significand_ != rhs.significand_);`
`489`	`495`	`}`
`490`	`496`
`491`	`497`	`constexpr auto operator<(decimal32_fast lhs, decimal32_fast rhs) noexcept -> bool`