isnan            5182 bignum.c           if (isnan(d)) {
isnan            5280 bignum.c           if (isnan(yd))
isnan            5329 bignum.c           if (isnan(yd) || isinf(yd))
isnan            6164 bignum.c       	if (isnan(dy))
isnan             746 complex.c          if (!az && bz && RB_FLOAT_TYPE_P(a) && (v = RFLOAT_VALUE(a), !isnan(v))) {
isnan             749 complex.c          if (!bz && az && RB_FLOAT_TYPE_P(b) && (v = RFLOAT_VALUE(b), !isnan(v))) {
isnan            1257 complex.c      	return f_boolcast(!isnan(f) && signbit(f));
isnan            2074 complex.c          if (isnan(RFLOAT_VALUE(self)))
isnan             244 ext/bigdecimal/bigdecimal.c 	    pv->sign = isnan(d) ? VP_SIGN_NaN :
isnan            2793 ext/bigdecimal/bigdecimal.c 	nan = isnan(flo);
isnan            2942 ext/bigdecimal/bigdecimal.c 	nan = isnan(flo);
isnan            5618 ext/bigdecimal/bigdecimal.c     if (isnan(d)) {
isnan             863 ext/date/date_core.c     if (isnan(sg))
isnan             164 include/ruby/missing.h #  define isinf(x) (!finite(x) && !isnan(x))
isnan             171 include/ruby/missing.h #ifndef isnan
isnan             173 include/ruby/missing.h RUBY_EXTERN int isnan(double);
isnan             344 include/ruby/win32.h #ifndef isnan
isnan             389 marshal.c          else if (isnan(d)) {
isnan             745 math.c             if (isnan(g)) {
isnan              13 missing/erf.c  #  ifndef isnan
isnan              74 missing/erf.c          if (isnan(x)) return x;      /* erf(NaN)   = NaN   */
isnan              84 missing/erf.c          if (isnan(x)) return x;      /* erfc(NaN)   = NaN      */
isnan               8 missing/finite.c     return !isnan(n) && !isinf(n);
isnan              39 missing/isinf.c     return (!finite(n) && !isnan(n));
isnan              18 missing/isnan.c #ifndef isnan
isnan              14 missing/nextafter.c     if (isnan(x))
isnan              16 missing/nextafter.c     if (isnan(y))
isnan             778 numeric.c          else if (isnan(value))
isnan             985 numeric.c          if (isnan(y)) {
isnan            1213 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1221 numeric.c          if (isnan(a)) return Qfalse;
isnan            1255 numeric.c          if (isnan(a) || isnan(b)) return Qnil;
isnan            1282 numeric.c          if (isnan(a)) return Qnil;
isnan            1332 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1339 numeric.c          if (isnan(a)) return Qfalse;
isnan            1369 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1376 numeric.c          if (isnan(a)) return Qfalse;
isnan            1406 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1413 numeric.c          if (isnan(a)) return Qfalse;
isnan            1443 numeric.c      	if (isnan(b)) return Qfalse;
isnan            1450 numeric.c          if (isnan(a)) return Qfalse;
isnan            1475 numeric.c      	if (isnan(a) || isnan(b)) return Qfalse;
isnan            1549 numeric.c          return isnan(value) ? Qtrue : Qfalse;
isnan            1599 numeric.c          if (isinf(value) || isnan(value))
isnan            2036 numeric.c          if (isinf(number) || isnan(number) ||
isnan            1199 random.c           if (isinf(x) || isnan(x)) {
isnan            1243 random.c       	else if (isnan(max)) {
isnan            1889 rational.c         if (isinf(d) || isnan(d))
isnan            1907 rational.c         if (isinf(d) || isnan(d))
isnan            1136 sprintf.c      		if (isnan(fval) || isinf(fval)) {
isnan            1139 sprintf.c      		    if (isnan(fval)) {
isnan            1146 sprintf.c      		    if ((!isnan(fval) && fval < 0.0) || (flags & FPLUS))
isnan            1154 sprintf.c      			if (!isnan(fval) && fval < 0.0)
isnan            1163 sprintf.c      			if (!isnan(fval) && fval < 0.0)
isnan            3901 util.c         	else if (isnan(d)) { /* FP_NAN */
isnan            1178 vm_insnhelper.c 	    if (isnan(a) || isnan(b)) {
isnan            1244 vm_insnhelper.c #define CHECK_CMP_NAN(a, b) if (isnan(a) || isnan(b)) return Qfalse;
isnan             903 vsnprintf.c    			if (isnan(_double)) {