Convert wchar_t to float in c++

Question

Is there a better way to convert a wchar_t to float? I've only found one solution that actually works.

wchar_t buf = GetText(); // GetText() returns a wchar_t
float fNumber1 = _wtof(&buf);

I've tried the following as well that fail:

float fNumber1 = (float)GetText(); // returns the ascii code

float fNumber1 = _wtof(&GetText();

float fNumber1 = _wtof(&(GetText())); 

Answer 1

#include <wchar.h>

int main ()
{
  wchar_t szOrbits[] = L"90613.305 365.24";
  wchar_t * pEnd;
  long double f1, f2;
  f1 = wcstold (szOrbits,&pEnd);
  f2 = wcstold (pEnd,NULL);
  wprintf (L"Pluto takes %.2Lf years to complete an orbit.\n", f1/f2);
  return 0;
}