finite             64 include/ruby/missing.h RUBY_EXTERN int finite(double);
finite            101 include/ruby/missing.h #  define isinf(x) (!finite(x) && !isnan(x))
finite            277 include/ruby/win32.h #ifndef finite
finite             18 missing/erf.c  #  ifndef finite
finite             72 missing/erf.c      if (!finite(x)) {
finite             82 missing/erf.c      if (!finite(x)) {
finite             39 missing/isinf.c     return (!finite(n) && !isnan(n));
finite           1219 numeric.c          if (!finite(value))