741c741
< if(std::isnan(Frs1s) || std::isnan(Frs2s))
---
> if(isnan(Frs1s) || isnan(Frs2s))
756c756
< if(std::isnan(Frs1s) || std::isnan(Frs2s))
---
> if(isnan(Frs1s) || isnan(Frs2s))
772c772
< if(std::isnan(Frs1s) || std::isnan(Frs2s))
---
> if(isnan(Frs1s) || isnan(Frs2s))
785c785
< if(std::isnan(Frs1s) || std::isnan(Frs2s))
---
> if(isnan(Frs1s) || isnan(Frs2s))