Fix wrong mask usage

mborland · mborland · commit 39af8f95180b · 2024-09-30T14:14:55.000-04:00
diff --git a/include/boost/decimal/dpd_conversion.hpp b/include/boost/decimal/dpd_conversion.hpp
@@ -637,7 +637,7 @@ constexpr auto from_dpd_d64(std::uint64_t dpd) noexcept
     }
 
     // The bit lengths are the same as used in the standard bid format
-    const auto sign {(dpd & detail::d32_sign_mask) != 0};
+    const auto sign {(dpd & detail::d64_sign_mask) != 0};
     const auto combination_field_bits {(dpd & detail::d64_combination_field_mask) >> 58U};
     const auto exponent_field_bits {(dpd & detail::d64_exponent_mask) >> 50U};
     auto significand_bits {(dpd & detail::d64_significand_mask)};

Original file line number	Diff line number	Diff line change
`@@ -637,7 +637,7 @@ constexpr auto from_dpd_d64(std::uint64_t dpd) noexcept`
`637`	`637`	`}`
`638`	`638`
`639`	`639`	`// The bit lengths are the same as used in the standard bid format`
`640`		`- const auto sign {(dpd & detail::d32_sign_mask) != 0};`
	`640`	`+ const auto sign {(dpd & detail::d64_sign_mask) != 0};`
`641`	`641`	`const auto combination_field_bits {(dpd & detail::d64_combination_field_mask) >> 58U};`
`642`	`642`	`const auto exponent_field_bits {(dpd & detail::d64_exponent_mask) >> 50U};`
`643`	`643`	`auto significand_bits {(dpd & detail::d64_significand_mask)};`