C++ (Cpp) get_number_double Examples

Example #1

File: nl_parser.cpp Project: PugsyMAME/mame

nl_double parser_t::eval_param(const token_t tok)
{
	static pstring macs[6] = {"", "RES_K", "RES_M", "CAP_U", "CAP_N", "CAP_P"};
	static nl_double facs[6] = {1, 1e3, 1e6, 1e-6, 1e-9, 1e-12};
	int i;
	int f=0;
	nl_double ret;

	for (i=1; i<6;i++)
		if (tok.str() == macs[i])
			f = i;
	if (f>0)
	{
		require_token(m_tok_param_left);
		ret = get_number_double();
		require_token(m_tok_param_right);
	}
	else
	{
		bool err;
		ret = plib::pstonum_ne<nl_double>(tok.str(), err);
		if (err)
			error(plib::pfmt("Parameter value <{1}> not double \n")(tok.str()));
	}
	return ret * facs[f];

}

Example #2

File: nl_parser.c Project: j26w/mame

nl_double parser_t::eval_param(const token_t tok)
{
	static const char *macs[6] = {"", "RES_K", "RES_M", "CAP_U", "CAP_N", "CAP_P"};
	static nl_double facs[6] = {1, 1e3, 1e6, 1e-6, 1e-9, 1e-12};
	int i;
	int f=0;
	bool e;
	nl_double ret;
	pstring val;

	//printf("param %s\n", tok.m_token.cstr());
	for (i=1; i<6;i++)
		if (tok.str().equals(macs[i]))
			f = i;
#if 1
	if (f>0)
	{
		require_token(m_tok_param_left);
		ret = get_number_double();
		require_token(m_tok_param_right);
	}
	else
	{
		val = tok.str();
		ret = val.as_double(&e);
		if (e)
			error("Error with parameter ...\n");
	}
	return ret * facs[f];

#else
	if (f>0)
	{
		require_token(m_tok_param_left);
		val = get_identifier();
	}
	else
		val = tok.str();

	ret = val.as_double(&e);

	if (e)
		error("Error with parameter ...\n");
	if (f>0)
		require_token(m_tok_param_right);
	return ret * facs[f];
#endif
}