1help complier to use intrinsics, clang in few cases e.g. aarch64 can not 2and then requires linking with libm, its the only function needed from libm then 3its good to avoid needing it. 4 5Upstream-Status: Pending 6Signed-off-by: Khem Raj <raj.khem@gmail.com> 7 8--- a/include/fluent-bit/stream_processor/flb_sp_timeseries.h 9+++ b/include/fluent-bit/stream_processor/flb_sp_timeseries.h 10@@ -207,7 +207,7 @@ void cb_forecast_calc(struct timeseries 11 result = b0 + b1 * (val->f64 + *forecast->latest_x); 12 break; 13 default: 14- result = nan(""); 15+ result = __builtin_nan(""); 16 break; 17 } 18 19@@ -283,7 +283,7 @@ void cb_forecast_r_calc(struct timeserie 20 result = ((val->i64 - b0) / b1) - *forecast->latest_x; 21 break; 22 default: 23- result = nan(""); 24+ result = __builtin_nan(""); 25 break; 26 } 27 28