From b42cd63e27a222ca91a549f5bec30d1e03866de2 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Wed, 20 Mar 2019 15:50:48 +0100
Subject: Fix matrix conventions for symmetry operations

---
 libcrystfel/src/integer_matrix.c | 2 +-
 libcrystfel/src/symmetry.c       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/integer_matrix.c b/libcrystfel/src/integer_matrix.c
index 90d58b35..7a373cbe 100644
--- a/libcrystfel/src/integer_matrix.c
+++ b/libcrystfel/src/integer_matrix.c
@@ -209,7 +209,7 @@ signed int *transform_indices(const IntegerMatrix *P, const signed int *hkl)
 		unsigned int i;
 		ans[j] = 0;
 		for ( i=0; i<P->rows; i++ ) {
-			ans[i] += intmat_get(P, i, j) * hkl[j];
+			ans[j] += intmat_get(P, i, j) * hkl[i];
 		}
 
 	}
diff --git a/libcrystfel/src/symmetry.c b/libcrystfel/src/symmetry.c
index 69dada16..cee29d5a 100644
--- a/libcrystfel/src/symmetry.c
+++ b/libcrystfel/src/symmetry.c
@@ -1722,7 +1722,7 @@ static void add_chars(char *t, const char *s, int max_len)
 }
 
 
-char *get_matrix_name(const IntegerMatrix *m, int row)
+char *get_matrix_name(const IntegerMatrix *m, int col)
 {
 	char *text;
 	const int max_len = 9;
@@ -1736,7 +1736,7 @@ char *get_matrix_name(const IntegerMatrix *m, int row)
 
 		signed int v;
 
-		v = intmat_get(m, row, i);
+		v = intmat_get(m, i, col);
 
 		if ( v == 0 ) continue;
 
-- 
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