min_expr.cc

来自「由matlab开发的hybrid系统的描述语言」· CC 代码 · 共 51 行

#include "Min_expr.h"
#include "Real_number.h"
#include "Globals.h"
#include "Cmd_options.h"

void Min_expr::semantic_checks() {
	left->semantic_checks();
	assert(left->is_real()); //fine
	right->semantic_checks();
	assert(right->is_real()); //fine
}


bool Min_expr::is_number() const {
	return left->is_number() && right->is_number();
}

Number * Min_expr::compute_number() const {
	Real_number * l, * r;

	l = (Real_number *) left->compute_number();
	r = (Real_number *) right->compute_number();
	l->min(r);
	return l;
}

string Min_expr::to_matlab() const {
	string res;

	if (globals->cmd_options->all_params_symbolic() || !is_number() ) {
	  if (globals->cmd_options->use_matlab_symbolic())
	    res+="maple('min', ";
	  else
	    res+="min(";
	  res+=left->to_matlab();
	  res+=", ";
	  res+=right->to_matlab();
	  res+=")";
	} else {
	  Number *n;
	  n=compute_number();
	  res += n->to_matlab();
	  delete n;
	}	  

    	return res;
}