#include <stddef.h>
#include <wchar.h>
+#ifdef _MSC_VER
+# include <float.h>
+# define isfinite _finite
+# define isnan _isnan
+#else
+# include <math.h> // isfinite, isnan
+#endif
+
#include <iomanip>
+#include <limits>
#include <ostream>
#include <string>
template<class T>
inline void writeNumber(T n) {
- if (n != n) {
- // NaN
- writeNull();
+ separator();
+ if (isnan(n)) {
+ // NaN is non-standard but widely supported
+ os << "NaN";
+ } else if (!isfinite(n)) {
+ // Infinite is non-standard but widely supported
+ if (n < 0) {
+ os << '-';
+ }
+ os << "Infinity";
} else {
- separator();
- os << std::dec << std::setprecision(9) << n;
- value = true;
- space = ' ';
+ os << std::dec << std::setprecision(std::numeric_limits<T>::digits10 + 1) << n;
}
+ value = true;
+ space = ' ';
}
inline void writeStringMember(const char *name, const char *s) {