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-rw-r--r--libcrystfel/src/utils.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libcrystfel/src/utils.h b/libcrystfel/src/utils.h
index 82a9aa1c..6d2ff253 100644
--- a/libcrystfel/src/utils.h
+++ b/libcrystfel/src/utils.h
@@ -77,6 +77,9 @@ extern void show_matrix(gsl_matrix *M);
extern void show_vector(gsl_vector *M);
extern gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *n_filt,
int verbose);
+extern gsl_matrix *matrix_mult2(gsl_matrix *A, gsl_matrix *B);
+extern gsl_matrix *matrix_mult3(gsl_matrix *A, gsl_matrix *B, gsl_matrix *C);
+extern gsl_matrix *matrix_invert(gsl_matrix *m);
extern size_t notrail(char *s);
extern int convert_int(const char *str, int *pval);