Repair a long-known unreachable line

ckormanyos · ckormanyos · commit 07ddae7d9b81 · 2026-05-03T18:07:35.000+02:00
diff --git a/include/boost/decimal/detail/cmath/pow.hpp b/include/boost/decimal/detail/cmath/pow.hpp
@@ -212,12 +212,8 @@ constexpr auto pow(const T x, const T a) noexcept
         #endif
         else
         {
-            if (fpc_a == FP_ZERO)
-            {
-                result = one;
-            }
             #ifndef BOOST_DECIMAL_FAST_MATH
-            else if (fpc_a == FP_INFINITE)
+            if (fpc_a == FP_INFINITE)
             {
                 result =
                     (
@@ -226,8 +222,8 @@ constexpr auto pow(const T x, const T a) noexcept
                         : one
                     );
             }
-            #endif
             else
+            #endif
             {
                 const T a_log_x { a * ::boost::decimal::log(x) };
 

Original file line number	Diff line number	Diff line change
`@@ -212,12 +212,8 @@ constexpr auto pow(const T x, const T a) noexcept`
`212`	`212`	`#endif`
`213`	`213`	`else`
`214`	`214`	`{`
`215`		`- if (fpc_a == FP_ZERO)`
`216`		`- {`
`217`		`- result = one;`
`218`		`- }`
`219`	`215`	`#ifndef BOOST_DECIMAL_FAST_MATH`
`220`		`- else if (fpc_a == FP_INFINITE)`
	`216`	`+ if (fpc_a == FP_INFINITE)`
`221`	`217`	`{`
`222`	`218`	`result =`
`223`	`219`	`(`
`@@ -226,8 +222,8 @@ constexpr auto pow(const T x, const T a) noexcept`
`226`	`222`	`: one`
`227`	`223`	`);`
`228`	`224`	`}`
`229`		`- #endif`
`230`	`225`	`else`
	`226`	`+ #endif`
`231`	`227`	`{`
`232`	`228`	`const T a_log_x { a * ::boost::decimal::log(x) };`
`233`	`229`