Function AtofNative

include/sonic/internal/atof_native.h:1348–1354

AtofNative is a slow fallback algorithms.

// AtofNative is a slow fallback algorithms.
static sonic_force_inline double AtofNative(const char *buf, int len) {
  Decimal d;
  double val = 0;
  SetDecimal(&d, buf, len);
  DecimalToF64(&d, &val);
  return val;
}

#undef DECIMAL_MAX_DNUM
#undef MAX_SHIFT