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-rw-r--r--libcrystfel/src/detector.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/libcrystfel/src/detector.c b/libcrystfel/src/detector.c
index e160d1e1..b2e3cc58 100644
--- a/libcrystfel/src/detector.c
+++ b/libcrystfel/src/detector.c
@@ -1076,12 +1076,17 @@ static void parse_toplevel(struct detector *det, struct beam_params *beam,
} else if ( strcmp(key, "photon_energy") == 0 ) {
if ( beam != NULL ) {
- if ( strncmp(val, "/", 1) == 0 ) {
+
+ double v;
+ char *end;
+
+ v = strtod(val, &end);
+ if ( (val[0] != '\0') && (end[0] == '\0') ) {
+ beam->photon_energy = v;
+ beam->photon_energy_from = NULL;
+ } else {
beam->photon_energy = 0.0;
beam->photon_energy_from = strdup(val);
- } else {
- beam->photon_energy = atof(val);
- beam->photon_energy_from = NULL;
}
}