isnan            784 bignum.c           if (isnan(d)) {
isnan            186 marshal.c          else if (isnan(d)) {
isnan              7 missing/finite.c     return !isnan(n) && !isinf(n);
isnan            715 missing/vsnprintf.c 			if (isnan(_double)) {
isnan            232 numeric.c          else if(isnan(value))
isnan            664 numeric.c        return isnan(value) ? Qtrue : Qfalse;
isnan            686 numeric.c        if (isinf(value) || isnan(value))
isnan            1125 object.c       	  if (isnan(RFLOAT(f)->value)) {