/** @file relational.cpp
*
- * Implementation of relations between expressions
- *
+ * Implementation of relations between expressions */
+
+/*
* GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
#include "relational.h"
#include "numeric.h"
+#include "debugmsg.h"
+#include "utils.h"
+
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
//////////
// default constructor, destructor, copy constructor assignment operator and helpers
return new relational(*this);
}
+void relational::print(ostream & os, unsigned upper_precedence) const
+{
+ debugmsg("relational print",LOGLEVEL_PRINT);
+ if (precedence<=upper_precedence) os << "(";
+ lh.print(os,precedence);
+ switch (o) {
+ case equal:
+ os << "==";
+ break;
+ case not_equal:
+ os << "!=";
+ break;
+ case less:
+ os << "<";
+ break;
+ case less_or_equal:
+ os << "<=";
+ break;
+ case greater:
+ os << ">";
+ break;
+ case greater_or_equal:
+ os << ">=";
+ break;
+ default:
+ os << "(INVALID RELATIONAL OPERATOR)";
+ }
+ rh.print(os,precedence);
+ if (precedence<=upper_precedence) os << ")";
+}
+
+void relational::printraw(ostream & os) const
+{
+ debugmsg("relational printraw",LOGLEVEL_PRINT);
+ os << "RELATIONAL(";
+ lh.printraw(os);
+ os << ",";
+ rh.printraw(os);
+ os << ",";
+ switch (o) {
+ case equal:
+ os << "==";
+ break;
+ case not_equal:
+ os << "!=";
+ break;
+ case less:
+ os << "<";
+ break;
+ case less_or_equal:
+ os << "<=";
+ break;
+ case greater:
+ os << ">";
+ break;
+ case greater_or_equal:
+ os << ">=";
+ break;
+ default:
+ os << "(INVALID RELATIONAL OPERATOR)";
+ }
+ os << ")";
+}
+
+void relational::printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const
+{
+ debugmsg("relational print csrc", LOGLEVEL_PRINT);
+ if (precedence<=upper_precedence)
+ os << "(";
+
+ // Print left-hand expression
+ lh.bp->printcsrc(os, type, precedence);
+
+ // Print relational operator
+ switch (o) {
+ case equal:
+ os << "==";
+ break;
+ case not_equal:
+ os << "!=";
+ break;
+ case less:
+ os << "<";
+ break;
+ case less_or_equal:
+ os << "<=";
+ break;
+ case greater:
+ os << ">";
+ break;
+ case greater_or_equal:
+ os << ">=";
+ break;
+ default:
+ os << "(INVALID RELATIONAL OPERATOR)";
+ break;
+ }
+
+ // Print right-hand operator
+ rh.bp->printcsrc(os, type, precedence);
+
+ if (precedence <= upper_precedence)
+ os << ")";
+}
+
bool relational::info(unsigned inf) const
{
switch (inf) {
ex & relational::let_op(int const i)
{
- ASSERT(i>=0);
- ASSERT(i<2);
+ GINAC_ASSERT(i>=0);
+ GINAC_ASSERT(i<2);
return i==0 ? lh : rh;
}
int relational::compare_same_type(basic const & other) const
{
- ASSERT(is_exactly_of_type(other, relational));
+ GINAC_ASSERT(is_exactly_of_type(other, relational));
relational const & oth=static_cast<relational const &>(const_cast<basic &>(other));
int cmpval;
unsigned relational::return_type(void) const
{
- ASSERT(lh.return_type()==rh.return_type());
+ GINAC_ASSERT(lh.return_type()==rh.return_type());
return lh.return_type();
}
unsigned relational::return_type_tinfo(void) const
{
- ASSERT(lh.return_type_tinfo()==rh.return_type_tinfo());
+ GINAC_ASSERT(lh.return_type_tinfo()==rh.return_type_tinfo());
return lh.return_type_tinfo();
}
if (!is_ex_exactly_of_type(df,numeric)) {
return o==not_equal ? true : false; // cannot decide on non-numerical results
}
- int cmpval=ex_to_numeric(df).compare(numZERO());
+ int cmpval=ex_to_numeric(df).compare(_num0());
switch (o) {
case equal:
return cmpval==0;
const relational some_relational;
type_info const & typeid_relational=typeid(some_relational);
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE