diff options
Diffstat (limited to 'src/symmetry.c')
| -rw-r--r-- | src/symmetry.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/symmetry.c b/src/symmetry.c index 48194c8c..9153049d 100644 --- a/src/symmetry.c +++ b/src/symmetry.c @@ -52,8 +52,10 @@ static int check_cond(signed int h, signed int k, signed int l, const char *sym) return ( (((h>0) && (k>=0)) || ((h==0) && (k==0))) && (l>=0) && (h>=k) ); /* Like 6/mmm */ if ( strcmp(sym, "422") == 0 ) - return ( (((h>=0) && (k>0)) || ((h==0) && (k==0))) + return ( (((h>0) && (k>=0)) || ((h==0) && (k==0))) && (h>=k) ); + if ( strcmp(sym, "4") == 0 ) + return ( ((h>0) && (k>=0)) || ((h==0) && (k==0)) ); /* Hexagonal */ if ( strcmp(sym, "6") == 0 ) @@ -89,6 +91,7 @@ int num_general_equivs(const char *sym) if ( strcmp(sym, "mmm") == 0 ) return 8; /* Tetragonal */ + if ( strcmp(sym, "4") == 0 ) return 4; if ( strcmp(sym, "422") == 0 ) return 8; if ( strcmp(sym, "4/mmm") == 0 ) return 16; @@ -145,6 +148,15 @@ void get_general_equiv(signed int h, signed int k, signed int l, } } + if ( strcmp(sym, "4") == 0 ) { + switch ( idx ) { + case 0 : *he = h; *ke = k; *le = l; return; + case 1 : *he = -h; *ke = -k; *le = l; return; + case 2 : *he = -k; *ke = h; *le = l; return; + case 3 : *he = k; *ke = -h; *le = l; return; + } + } + if ( strcmp(sym, "422") == 0 ) { switch ( idx ) { case 0 : *he = h; *ke = k; *le = l; return; |