Function parseFloatExpr

src/bzflag/CommandsImplementation.cpp:507–523

};

static float parseFloatExpr(const std::string& str, bool zeroNan) {
  // BZDB.eval() can't take expressions directly
  BZDB.set("tmp", str);
  BZDB.setPersistent("tmp", false);
  float value = BZDB.eval("tmp");
  if (!zeroNan || !isnan(value)) {
    return value;
  }
  else {
    if (!isnan(value)) {
      return value;
    }
    else {
      return 0.0f;
    }
  }
}

static bool varIsEqual(const std::string& name) {
  // only looking for standard server variables