isnan            1115 bignum.c           if (isnan(d)) {
isnan            1300 bignum.c       	    if (isnan(a)) return Qfalse;
isnan            2007 bignum.c       	    if (isnan(RFLOAT_VALUE(y))) return y;
isnan             892 complex.c      	  return f_boolcast(!isnan(f) && signbit(f));
isnan            4180 ext/bigdecimal/bigdecimal.c     if(isnan(d)) {
isnan             295 ext/json/ext/generator/generator.c     } else if (isnan(value)) {
isnan             101 include/ruby/missing.h #  define isinf(x) (!finite(x) && !isnan(x))
isnan             109 include/ruby/missing.h RUBY_EXTERN int isnan(double);
isnan             274 include/ruby/win32.h #ifndef isnan
isnan             358 marshal.c          else if (isnan(d)) {
isnan              32 math.c         	if (isnan(y)) {
isnan              33 math.c         	    if (isnan(x)) break;
isnan              12 missing/erf.c  #  ifndef isnan
isnan              73 missing/erf.c          if (isnan(x)) return x;      /* erf(NaN)   = NaN   */
isnan              83 missing/erf.c          if (isnan(x)) return x;      /* erfc(NaN)   = NaN      */
isnan               6 missing/finite.c     return !isnan(n) && !isinf(n);
isnan              39 missing/isinf.c     return (!finite(n) && !isnan(n));
isnan             778 missing/vsnprintf.c 			if (isnan(_double)) {
isnan             530 numeric.c          else if(isnan(value))
isnan             691 numeric.c          if (isinf(x) && !isinf(y) && !isnan(y))
isnan             744 numeric.c          else if (isnan(d) || isinf(d)) {
isnan             876 numeric.c      	if (isnan(b)) return Qfalse;
isnan             882 numeric.c          if (isnan(a)) return Qfalse;
isnan             907 numeric.c          if (isnan(a) || isnan(b)) return Qnil;
isnan             972 numeric.c      	if (isnan(b)) return Qfalse;
isnan             978 numeric.c          if (isnan(a)) return Qfalse;
isnan            1007 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1013 numeric.c          if (isnan(a)) return Qfalse;
isnan            1041 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1047 numeric.c          if (isnan(a)) return Qfalse;
isnan            1076 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1082 numeric.c          if (isnan(a)) return Qfalse;
isnan            1104 numeric.c      	if (isnan(a) || isnan(b)) return Qfalse;
isnan            1176 numeric.c          return isnan(value) ? Qtrue : Qfalse;
isnan            1222 numeric.c          if (isinf(value) || isnan(value))
isnan            1094 rational.c         if (isinf(f) || isnan(f))
isnan             967 sprintf.c      		if (isnan(fval) || isinf(fval)) {
isnan             970 sprintf.c      		    if (isnan(fval)) {
isnan             977 sprintf.c      		    if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
isnan             985 sprintf.c      			if (!isnan(fval) && fval < 0.0)
isnan             994 sprintf.c      			if (!isnan(fval) && fval < 0.0)
isnan            1488 vm_insnhelper.c 	    if (isnan(a) || isnan(b)) {