Searched refs:RgM_isdiagonal (Results 1 – 8 of 8) sorted by relevance
1022 RgM_isdiagonal(GEN x) in RgM_isdiagonal() function1039 isdiagonal(GEN x) { return (typ(x)==t_MAT) && RgM_isdiagonal(x); } in isdiagonal()
519 if (!RgM_isdiagonal(x)) return NULL; in get_snf()
950 if (RgM_isdiagonal(x)) return gcopy(x); in diagonal()
757 RgM_check_ZM, RgM_det_trianguar, RgM_isdiagonal,
916 int RgM_isdiagonal(GEN x)
1054 int RgM_isdiagonal(GEN x)
1105 int RgM_isdiagonal(GEN x);
9062 \fun{int}{RgM_isdiagonal}{GEN x} return 1 if the \typ{MAT} $x$ is a