cpp/string/wide/wcstof

Interprets a floating point value in a wide string pointed to by.

The functions sets the pointer pointed to by to point to the wide character past the last character interpreted. If is a null pointer, it is ignored.

Return value
Floating point value corresponding to the contents of on success. If the converted value falls out of range of corresponding return type, range error occurs and huge_val, huge_valf or huge_vall is returned. If no conversion can be performed, is returned.