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-rw-r--r--libcrystfel/src/utils.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libcrystfel/src/utils.h b/libcrystfel/src/utils.h
index 7f50ddc3..458307e8 100644
--- a/libcrystfel/src/utils.h
+++ b/libcrystfel/src/utils.h
@@ -79,6 +79,7 @@ extern gsl_vector *solve_svd(gsl_vector *v, gsl_matrix *M, int *n_filt,
extern size_t notrail(char *s);
extern int convert_int(const char *str, int *pval);
+extern int convert_float(const char *str, double *pval);
extern void chomp(char *s);
#define CLEAR_BIT(val, bit) (((val) | (bit)) ^ (bit))