* Implementation of GiNaC's constant types and some special constants. */
/*
- * GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2018 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
// public
-constant::constant() : ef(0), serial(next_serial++), domain(domain::complex)
+constant::constant() : ef(nullptr), serial(next_serial++), domain(domain::complex)
{
setflag(status_flags::evaluated | status_flags::expanded);
}
}
constant::constant(const std::string & initname, const numeric & initnumber, const std::string & texname, unsigned dm)
- : name(initname), ef(0), number(initnumber), serial(next_serial++), domain(dm)
+ : name(initname), ef(nullptr), number(initnumber), serial(next_serial++), domain(dm)
{
if (texname.empty())
TeX_name = "\\mathrm{" + name + "}";
return inherited::info(inf);
}
-ex constant::evalf(int level) const
+ex constant::evalf() const
{
- if (ef!=0) {
+ if (ef!=nullptr) {
return ef();
} else {
return number.evalf();
unsigned constant::calchash() const
{
const void* typeid_this = (const void*)typeid(*this).name();
- hashvalue = golden_ratio_hash((p_int)typeid_this ^ serial);
+ hashvalue = golden_ratio_hash((uintptr_t)typeid_this ^ serial);
setflag(status_flags::hash_calculated);