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Diffstat (limited to '')
| -rw-r--r-- | libnetdata/eval/eval.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libnetdata/eval/eval.c b/libnetdata/eval/eval.c index 0316edac..f8af801f 100644 --- a/libnetdata/eval/eval.c +++ b/libnetdata/eval/eval.c @@ -176,7 +176,7 @@ static inline calculated_number eval_variable(EVAL_EXPRESSION *exp, EVAL_VARIABL *error = EVAL_ERROR_UNKNOWN_VARIABLE; buffer_sprintf(exp->error_msg, "[ undefined variable '%s' ] ", v->name); - return 0; + return NAN; } static inline calculated_number eval_value(EVAL_EXPRESSION *exp, EVAL_VALUE *v, int *error) { |