finite            105 include/ruby/missing.h RUBY_EXTERN int finite(double);
finite            164 include/ruby/missing.h #  define isinf(x) (!finite(x) && !isnan(x))
finite            180 include/ruby/missing.h #   define isfinite(x) finite(x)
finite            348 include/ruby/win32.h finite(double x)
finite            361 include/ruby/win32.h __declspec(dllimport) extern int finite(double);
finite             19 missing/erf.c  #  ifndef finite
finite             73 missing/erf.c      if (!finite(x)) {
finite             83 missing/erf.c      if (!finite(x)) {
finite             39 missing/isinf.c     return (!finite(n) && !isnan(n));