Add operator * for matrices

adamant-pwn · adamant-pwn · commit c8b40599619f · 2024-10-17T23:35:40.000+02:00
diff --git a/cp-algo/linalg/matrix.hpp b/cp-algo/linalg/matrix.hpp
@@ -251,5 +251,7 @@ namespace cp_algo::linalg {
             return std::array{pivots, free};
         }
     };
+    template<typename base_t>
+    auto operator *(base_t t, matrix<base_t> const& A) {return A * t;}
 }
 #endif // CP_ALGO_LINALG_MATRIX_HPP

Original file line number	Diff line number	Diff line change
`@@ -251,5 +251,7 @@ namespace cp_algo::linalg {`
`251`	`251`	`return std::array{pivots, free};`
`252`	`252`	`}`
`253`	`253`	`};`
	`254`	`+ template<typename base_t>`
	`255`	`+ auto operator (base_t t, matrix<base_t> const& A) {return A t;}`
`254`	`256`	`}`
`255`	`257`	`#endif // CP_ALGO_LINALG_MATRIX_HPP`