neg_expr.cc

来自「由matlab开发的hybrid系统的描述语言」· CC 代码 · 共 41 行

#include "Neg_expr.h"
#include "Affine_func.h"
#include "Real_number.h"

Neg_expr::Neg_expr(Expr * c) : Unary_expr(c) {
}

void Neg_expr::semantic_checks() {
	child->semantic_checks();
	assert(child->is_real()); //fine
}


Affine_func * Neg_expr::compute_affine() const {
	Affine_func * aff;

	aff = child->compute_affine();
	aff->neg();
	return aff;
}

bool Neg_expr::is_affine() const {
	return child->is_affine();
}


bool Neg_expr::is_number() const {
	return child->is_number();
}

Number * Neg_expr::compute_number() const {
	Real_number * num;

	num = (Real_number *) child->compute_number();
	num->neg();
	return num;
}