*/
#include <iostream>
+#include <stdexcept>
#include "ex.h"
#include "add.h"
#include "ncmul.h"
#include "numeric.h"
#include "power.h"
+#include "relational.h"
+#include "input_lexer.h"
#include "debugmsg.h"
#include "utils.h"
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
//////////
// default constructor, destructor, copy constructor assignment operator and helpers
#ifndef INLINE_EX_CONSTRUCTORS
-ex::ex() : bp(ex0().bp)
+ex::ex() : bp(_ex0().bp)
{
- debugmsg("ex default constructor",LOGLEVEL_CONSTRUCT);
- GINAC_ASSERT(ex0().bp!=0);
- GINAC_ASSERT(ex0().bp->flags & status_flags::dynallocated);
- GINAC_ASSERT(bp!=0);
- ++bp->refcount;
+ debugmsg("ex default constructor",LOGLEVEL_CONSTRUCT);
+ GINAC_ASSERT(_ex0().bp!=0);
+ GINAC_ASSERT(_ex0().bp->flags & status_flags::dynallocated);
+ GINAC_ASSERT(bp!=0);
+ ++bp->refcount;
}
ex::~ex()
{
- debugmsg("ex destructor",LOGLEVEL_DESTRUCT);
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
- if (--bp->refcount == 0) {
- delete bp;
- }
+ debugmsg("ex destructor",LOGLEVEL_DESTRUCT);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+ if (--bp->refcount == 0) {
+ delete bp;
+ }
}
-ex::ex(ex const & other) : bp(other.bp)
+ex::ex(const ex & other) : bp(other.bp)
{
- debugmsg("ex copy constructor",LOGLEVEL_CONSTRUCT);
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
- ++bp->refcount;
+ debugmsg("ex copy constructor",LOGLEVEL_CONSTRUCT);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ ++bp->refcount;
}
-ex const & ex::operator=(ex const & other)
+const ex & ex::operator=(const ex & other)
{
- debugmsg("ex operator=",LOGLEVEL_ASSIGNMENT);
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
- GINAC_ASSERT(other.bp!=0);
- GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
- ++other.bp->refcount;
- basic * tmpbp=other.bp;
- if (--bp->refcount==0) {
- delete bp;
- }
- bp=tmpbp;
- return *this;
+ debugmsg("ex operator=",LOGLEVEL_ASSIGNMENT);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+ GINAC_ASSERT(other.bp!=0);
+ GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
+ ++other.bp->refcount;
+ basic * tmpbp = other.bp;
+ if (--bp->refcount==0)
+ delete bp;
+ bp = tmpbp;
+ return *this;
}
#endif // ndef INLINE_EX_CONSTRUCTORS
// public
#ifndef INLINE_EX_CONSTRUCTORS
-ex::ex(basic const & other)
+
+ex::ex(const basic & other)
{
- debugmsg("ex constructor from basic",LOGLEVEL_CONSTRUCT);
- construct_from_basic(other);
+ debugmsg("ex constructor from basic",LOGLEVEL_CONSTRUCT);
+ construct_from_basic(other);
}
-#endif
-ex::ex(int const i)
+ex::ex(int i)
{
- debugmsg("ex constructor from int",LOGLEVEL_CONSTRUCT);
- switch (i) { // some tiny efficiency-hack (FIXME: is this ok?)
- case -1:
- bp = _ex_1().bp;
- ++bp->refcount;
- break;
- case 0:
- bp = _ex0().bp;
- ++bp->refcount;
- break;
- case 1:
- bp = _ex1().bp;
- ++bp->refcount;
- break;
- default:
- construct_from_basic(numeric(i));
- }
+ debugmsg("ex constructor from int",LOGLEVEL_CONSTRUCT);
+ construct_from_int(i);
}
-ex::ex(unsigned int const i)
+ex::ex(unsigned int i)
{
- debugmsg("ex constructor from unsigned int",LOGLEVEL_CONSTRUCT);
- construct_from_basic(numeric(i));
+ debugmsg("ex constructor from unsigned int",LOGLEVEL_CONSTRUCT);
+ construct_from_uint(i);
}
-ex::ex(long const i)
+ex::ex(long i)
{
- debugmsg("ex constructor from long",LOGLEVEL_CONSTRUCT);
- construct_from_basic(numeric(i));
+ debugmsg("ex constructor from long",LOGLEVEL_CONSTRUCT);
+ construct_from_long(i);
}
-ex::ex(unsigned long const i)
+ex::ex(unsigned long i)
{
- debugmsg("ex constructor from unsigned long",LOGLEVEL_CONSTRUCT);
- construct_from_basic(numeric(i));
+ debugmsg("ex constructor from unsigned long",LOGLEVEL_CONSTRUCT);
+ construct_from_ulong(i);
}
ex::ex(double const d)
{
- debugmsg("ex constructor from double",LOGLEVEL_CONSTRUCT);
- construct_from_basic(numeric(d));
+ debugmsg("ex constructor from double",LOGLEVEL_CONSTRUCT);
+ construct_from_double(d);
+}
+
+ex::ex(const std::string &s, const ex &l)
+{
+ debugmsg("ex constructor from string,lst",LOGLEVEL_CONSTRUCT);
+ construct_from_string_and_lst(s, l);
}
-
+
+#endif // ndef INLINE_EX_CONSTRUCTORS
+
//////////
// functions overriding virtual functions from bases classes
//////////
/** Swap the contents of two expressions. */
void ex::swap(ex & other)
{
- debugmsg("ex swap",LOGLEVEL_MEMBER_FUNCTION);
+ debugmsg("ex swap",LOGLEVEL_MEMBER_FUNCTION);
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
- GINAC_ASSERT(other.bp!=0);
- GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
-
- basic * tmpbp=bp;
- bp=other.bp;
- other.bp=tmpbp;
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+ GINAC_ASSERT(other.bp!=0);
+ GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
+
+ basic * tmpbp=bp;
+ bp=other.bp;
+ other.bp=tmpbp;
}
/** Output formatted to be useful as ginsh input. */
-void ex::print(ostream & os, unsigned upper_precedence) const
+void ex::print(std::ostream & os, unsigned upper_precedence) const
{
- debugmsg("ex print",LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- bp->print(os,upper_precedence);
+ debugmsg("ex print",LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ bp->print(os,upper_precedence);
}
-void ex::printraw(ostream & os) const
+void ex::printraw(std::ostream & os) const
{
- debugmsg("ex printraw",LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- os << "ex(";
- bp->printraw(os);
- os << ")";
+ debugmsg("ex printraw",LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ os << "ex(";
+ bp->printraw(os);
+ os << ")";
}
-void ex::printtree(ostream & os, unsigned indent) const
+void ex::printtree(std::ostream & os, unsigned indent) const
{
- debugmsg("ex printtree",LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- // os << "refcount=" << bp->refcount << " ";
- bp->printtree(os,indent);
+ debugmsg("ex printtree",LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ // os << "refcount=" << bp->refcount << " ";
+ bp->printtree(os,indent);
}
/** Print expression as a C++ statement. The output looks like
* @param os output stream
* @param type variable type (one of the csrc_types)
* @param var_name variable name to be printed */
-void ex::printcsrc(ostream & os, unsigned type, const char *var_name) const
-{
- debugmsg("ex print csrc", LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- switch (type) {
- case csrc_types::ctype_float:
- os << "float ";
- break;
- case csrc_types::ctype_double:
- os << "double ";
- break;
- case csrc_types::ctype_cl_N:
- os << "cl_N ";
- break;
- }
- os << var_name << " = ";
- bp->printcsrc(os, type, 0);
- os << ";\n";
+void ex::printcsrc(std::ostream & os, unsigned type, const char *var_name) const
+{
+ debugmsg("ex print csrc", LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ switch (type) {
+ case csrc_types::ctype_float:
+ os << "float ";
+ break;
+ case csrc_types::ctype_double:
+ os << "double ";
+ break;
+ case csrc_types::ctype_cl_N:
+ os << "cl_N ";
+ break;
+ }
+ os << var_name << " = ";
+ bp->printcsrc(os, type, 0);
+ os << ";\n";
}
/** Little wrapper arount print to be called within a debugger. */
void ex::dbgprint(void) const
{
- debugmsg("ex dbgprint",LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- bp->dbgprint();
+ debugmsg("ex dbgprint",LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ bp->dbgprint();
}
/** Little wrapper arount printtree to be called within a debugger. */
void ex::dbgprinttree(void) const
{
- debugmsg("ex dbgprinttree",LOGLEVEL_PRINT);
- GINAC_ASSERT(bp!=0);
- bp->dbgprinttree();
+ debugmsg("ex dbgprinttree",LOGLEVEL_PRINT);
+ GINAC_ASSERT(bp!=0);
+ bp->dbgprinttree();
}
bool ex::info(unsigned inf) const
{
- if (inf == info_flags::normal_form) {
-
- // Polynomials are in normal form
- if (info(info_flags::polynomial))
- return true;
-
- // polynomial^(-int) is in normal form
- if (is_ex_exactly_of_type(*this, power))
- return op(1).info(info_flags::negint);
-
- // polynomial^(int) * polynomial^(int) * ... is in normal form
- if (!is_ex_exactly_of_type(*this, mul))
- return false;
- for (unsigned i=0; i<nops(); i++) {
- if (is_ex_exactly_of_type(op(i), power)) {
- if (!op(i).op(1).info(info_flags::integer))
- return false;
- if (!op(i).op(0).info(info_flags::polynomial))
- return false;
- } else
- if (!op(i).info(info_flags::polynomial))
- return false;
- }
- return true;
- } else {
- return bp->info(inf);
- }
+ return bp->info(inf);
}
unsigned ex::nops() const
{
- GINAC_ASSERT(bp!=0);
- return bp->nops();
+ GINAC_ASSERT(bp!=0);
+ return bp->nops();
}
ex ex::expand(unsigned options) const
{
- GINAC_ASSERT(bp!=0);
- return bp->expand(options);
+ GINAC_ASSERT(bp!=0);
+ if (bp->flags & status_flags::expanded)
+ return *bp;
+ else
+ return bp->expand(options);
}
-bool ex::has(ex const & other) const
+bool ex::has(const ex & other) const
{
- GINAC_ASSERT(bp!=0);
- return bp->has(other);
+ GINAC_ASSERT(bp!=0);
+ return bp->has(other);
}
-int ex::degree(symbol const & s) const
+int ex::degree(const symbol & s) const
{
- GINAC_ASSERT(bp!=0);
- return bp->degree(s);
+ GINAC_ASSERT(bp!=0);
+ return bp->degree(s);
}
-int ex::ldegree(symbol const & s) const
+int ex::ldegree(const symbol & s) const
{
- GINAC_ASSERT(bp!=0);
- return bp->ldegree(s);
+ GINAC_ASSERT(bp!=0);
+ return bp->ldegree(s);
}
-ex ex::coeff(symbol const & s, int const n) const
+ex ex::coeff(const symbol & s, int n) const
{
- GINAC_ASSERT(bp!=0);
- return bp->coeff(s,n);
+ GINAC_ASSERT(bp!=0);
+ return bp->coeff(s,n);
}
-ex ex::numer(bool normalize) const
+ex ex::collect(const symbol & s) const
{
- ex n;
- if (normalize && !info(info_flags::normal_form))
- n = normal();
- else
- n = *this;
-
- // polynomial
- if (n.info(info_flags::polynomial))
- return n;
-
- // something^(-int)
- if (is_ex_exactly_of_type(n, power) && n.op(1).info(info_flags::negint))
- return _ex1();
-
- // something^(int) * something^(int) * ...
- if (!is_ex_exactly_of_type(n, mul))
- return n;
- ex res = _ex1();
- for (unsigned i=0; i<n.nops(); i++) {
- if (!is_ex_exactly_of_type(n.op(i), power) || !n.op(i).op(1).info(info_flags::negint))
- res *= n.op(i);
- }
- return res;
+ GINAC_ASSERT(bp!=0);
+ return bp->collect(s);
}
-ex ex::denom(bool normalize) const
+ex ex::eval(int level) const
{
- ex n;
- if (normalize && !info(info_flags::normal_form))
- n = normal();
- else
- n = *this;
-
- // polynomial
- if (n.info(info_flags::polynomial))
- return _ex1();
-
- // something^(-int)
- if (is_ex_exactly_of_type(n, power) && n.op(1).info(info_flags::negint))
- return power(n.op(0), -(n.op(1)));
+ GINAC_ASSERT(bp!=0);
+ return bp->eval(level);
+}
- // something^(int) * something^(int) * ...
- if (!is_ex_exactly_of_type(n, mul))
- return _ex1();
- ex res = _ex1();
- for (unsigned i=0; i<n.nops(); i++) {
- if (is_ex_exactly_of_type(n.op(i), power) && n.op(i).op(1).info(info_flags::negint))
- res *= power(n.op(i), -1);
- }
- return res;
+ex ex::evalf(int level) const
+{
+ GINAC_ASSERT(bp!=0);
+ return bp->evalf(level);
}
-ex ex::collect(symbol const & s) const
+/** Compute partial derivative of an expression.
+ *
+ * @param s symbol by which the expression is derived
+ * @param nth order of derivative (default 1)
+ * @return partial derivative as a new expression */
+ex ex::diff(const symbol & s, unsigned nth) const
{
- GINAC_ASSERT(bp!=0);
- return bp->collect(s);
+ GINAC_ASSERT(bp!=0);
+
+ if (!nth)
+ return *this;
+ else
+ return bp->diff(s, nth);
}
-ex ex::eval(int level) const
+ex ex::subs(const lst & ls, const lst & lr) const
{
- GINAC_ASSERT(bp!=0);
- return bp->eval(level);
+ GINAC_ASSERT(bp!=0);
+ return bp->subs(ls,lr);
}
-ex ex::evalf(int level) const
+ex ex::subs(const ex & e) const
{
- GINAC_ASSERT(bp!=0);
- return bp->evalf(level);
+ GINAC_ASSERT(bp!=0);
+ return bp->subs(e);
}
-ex ex::subs(lst const & ls, lst const & lr) const
+exvector ex::get_indices(void) const
{
- GINAC_ASSERT(bp!=0);
- return bp->subs(ls,lr);
+ GINAC_ASSERT(bp!=0);
+ return bp->get_indices();
}
-ex ex::subs(ex const & e) const
+ex ex::simplify_ncmul(const exvector & v) const
{
- GINAC_ASSERT(bp!=0);
- return bp->subs(e);
+ GINAC_ASSERT(bp!=0);
+ return bp->simplify_ncmul(v);
}
-exvector ex::get_indices(void) const
+ex ex::operator[](const ex & index) const
{
- GINAC_ASSERT(bp!=0);
- return bp->get_indices();
+ debugmsg("ex operator[ex]",LOGLEVEL_OPERATOR);
+ GINAC_ASSERT(bp!=0);
+ return (*bp)[index];
}
-ex ex::simplify_ncmul(exvector const & v) const
+ex ex::operator[](int i) const
{
- GINAC_ASSERT(bp!=0);
- return bp->simplify_ncmul(v);
+ debugmsg("ex operator[int]",LOGLEVEL_OPERATOR);
+ GINAC_ASSERT(bp!=0);
+ return (*bp)[i];
}
-ex ex::operator[](ex const & index) const
+/** Return operand/member at position i. */
+ex ex::op(int i) const
{
- debugmsg("ex operator[ex]",LOGLEVEL_OPERATOR);
- GINAC_ASSERT(bp!=0);
- return (*bp)[index];
+ debugmsg("ex op()",LOGLEVEL_MEMBER_FUNCTION);
+ GINAC_ASSERT(bp!=0);
+ return bp->op(i);
}
-ex ex::operator[](int const i) const
+/** Return modifyable operand/member at position i. */
+ex & ex::let_op(int i)
{
- debugmsg("ex operator[int]",LOGLEVEL_OPERATOR);
- GINAC_ASSERT(bp!=0);
- return (*bp)[i];
+ debugmsg("ex let_op()",LOGLEVEL_MEMBER_FUNCTION);
+ makewriteable();
+ GINAC_ASSERT(bp!=0);
+ return bp->let_op(i);
}
-ex ex::op(int const i) const
+/** Left hand side of relational expression. */
+ex ex::lhs(void) const
{
- debugmsg("ex op()",LOGLEVEL_MEMBER_FUNCTION);
- GINAC_ASSERT(bp!=0);
- return bp->op(i);
+ debugmsg("ex lhs()",LOGLEVEL_MEMBER_FUNCTION);
+ GINAC_ASSERT(is_ex_of_type(*this,relational));
+ return (*static_cast<relational *>(bp)).lhs();
}
-ex & ex::let_op(int const i)
+/** Right hand side of relational expression. */
+ex ex::rhs(void) const
{
- debugmsg("ex let_op()",LOGLEVEL_MEMBER_FUNCTION);
- makewriteable();
- GINAC_ASSERT(bp!=0);
- return bp->let_op(i);
+ debugmsg("ex rhs()",LOGLEVEL_MEMBER_FUNCTION);
+ GINAC_ASSERT(is_ex_of_type(*this,relational));
+ return (*static_cast<relational *>(bp)).rhs();
}
#ifndef INLINE_EX_CONSTRUCTORS
-int ex::compare(ex const & other) const
+int ex::compare(const ex & other) const
{
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(other.bp!=0);
- if (bp==other.bp) {
- // special case: both expression point to same basic, trivially equal
- return 0;
- }
- return bp->compare(*other.bp);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(other.bp!=0);
+ if (bp==other.bp) {
+ // special case: both expression point to same basic, trivially equal
+ return 0;
+ }
+ return bp->compare(*other.bp);
}
#endif // ndef INLINE_EX_CONSTRUCTORS
#ifndef INLINE_EX_CONSTRUCTORS
-bool ex::is_equal(ex const & other) const
+bool ex::is_equal(const ex & other) const
{
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(other.bp!=0);
- if (bp==other.bp) {
- // special case: both expression point to same basic, trivially equal
- return true;
- }
- return bp->is_equal(*other.bp);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(other.bp!=0);
+ // if both expression point to same basic they are trivially equal
+ if (bp==other.bp)
+ return true;
+
+ return bp->is_equal(*other.bp);
}
#endif // ndef INLINE_EX_CONSTRUCTORS
unsigned ex::return_type(void) const
{
- GINAC_ASSERT(bp!=0);
- return bp->return_type();
+ GINAC_ASSERT(bp!=0);
+ return bp->return_type();
}
unsigned ex::return_type_tinfo(void) const
{
- GINAC_ASSERT(bp!=0);
- return bp->return_type_tinfo();
+ GINAC_ASSERT(bp!=0);
+ return bp->return_type_tinfo();
}
unsigned ex::gethash(void) const
{
- GINAC_ASSERT(bp!=0);
- return bp->gethash();
+ GINAC_ASSERT(bp!=0);
+ return bp->gethash();
}
-ex ex::exadd(ex const & rh) const
+ex ex::exadd(const ex & rh) const
{
- return (new add(*this,rh))->setflag(status_flags::dynallocated);
+ return (new add(*this,rh))->setflag(status_flags::dynallocated);
}
-ex ex::exmul(ex const & rh) const
+ex ex::exmul(const ex & rh) const
{
- return (new mul(*this,rh))->setflag(status_flags::dynallocated);
+ return (new mul(*this,rh))->setflag(status_flags::dynallocated);
}
-ex ex::exncmul(ex const & rh) const
+ex ex::exncmul(const ex & rh) const
{
- return (new ncmul(*this,rh))->setflag(status_flags::dynallocated);
+ return (new ncmul(*this,rh))->setflag(status_flags::dynallocated);
}
// private
void ex::makewriteable()
{
- debugmsg("ex makewriteable",LOGLEVEL_MEMBER_FUNCTION);
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
- if (bp->refcount > 1) {
- basic * bp2=bp->duplicate();
- ++bp2->refcount;
- bp2->setflag(status_flags::dynallocated);
- --bp->refcount;
- bp=bp2;
- }
- GINAC_ASSERT(bp->refcount == 1);
-}
-
-void ex::construct_from_basic(basic const & other)
-{
- if ((other.flags & status_flags::evaluated)==0) {
- // cf. copy constructor
- ex const & tmpex = other.eval(1); // evaluate only one (top) level
- bp = tmpex.bp;
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
- ++bp->refcount;
- if ((other.flags & status_flags::dynallocated)&&(other.refcount==0)) {
- delete &const_cast<basic &>(other);
- }
- } else {
- if (other.flags & status_flags::dynallocated) {
- bp=&const_cast<basic &>(other);
- } else {
- bp=other.duplicate();
- bp->setflag(status_flags::dynallocated);
- }
- GINAC_ASSERT(bp!=0);
- // bp->clearflag(status_flags::evaluated);
- ++bp->refcount;
- }
- GINAC_ASSERT(bp!=0);
- GINAC_ASSERT(bp->flags & status_flags::dynallocated);
-}
-
+ debugmsg("ex makewriteable",LOGLEVEL_MEMBER_FUNCTION);
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+ if (bp->refcount > 1) {
+ basic * bp2 = bp->duplicate();
+ ++bp2->refcount;
+ bp2->setflag(status_flags::dynallocated);
+ --bp->refcount;
+ bp = bp2;
+ }
+ GINAC_ASSERT(bp->refcount==1);
+}
+
+void ex::construct_from_basic(const basic & other)
+{
+ if ((other.flags & status_flags::evaluated)==0) {
+ // cf. copy constructor
+ const ex & tmpex = other.eval(1); // evaluate only one (top) level
+ bp = tmpex.bp;
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+ ++bp->refcount;
+ if ((other.flags & status_flags::dynallocated)&&(other.refcount==0)) {
+ delete &const_cast<basic &>(other);
+ }
+ } else {
+ if (other.flags & status_flags::dynallocated) {
+ // it's on the heap, so just copy bp:
+ bp = &const_cast<basic &>(other);
+ } else {
+ // create a duplicate on the heap:
+ bp = other.duplicate();
+ bp->setflag(status_flags::dynallocated);
+ }
+ GINAC_ASSERT(bp!=0);
+ // bp->clearflag(status_flags::evaluated);
+ ++bp->refcount;
+ }
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT(bp->flags & status_flags::dynallocated);
+}
+
+void ex::construct_from_int(int i)
+{
+ switch (i) { // some tiny efficiency-hack
+ case -2:
+ bp = _ex_2().bp;
+ ++bp->refcount;
+ break;
+ case -1:
+ bp = _ex_1().bp;
+ ++bp->refcount;
+ break;
+ case 0:
+ bp = _ex0().bp;
+ ++bp->refcount;
+ break;
+ case 1:
+ bp = _ex1().bp;
+ ++bp->refcount;
+ break;
+ case 2:
+ bp = _ex2().bp;
+ ++bp->refcount;
+ break;
+ default:
+ bp = new numeric(i);
+ bp->setflag(status_flags::dynallocated);
+ ++bp->refcount;
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ GINAC_ASSERT(bp->refcount==1);
+ }
+}
+
+void ex::construct_from_uint(unsigned int i)
+{
+ switch (i) { // some tiny efficiency-hack
+ case 0:
+ bp = _ex0().bp;
+ ++bp->refcount;
+ break;
+ case 1:
+ bp = _ex1().bp;
+ ++bp->refcount;
+ break;
+ case 2:
+ bp = _ex2().bp;
+ ++bp->refcount;
+ break;
+ default:
+ bp = new numeric(i);
+ bp->setflag(status_flags::dynallocated);
+ ++bp->refcount;
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ GINAC_ASSERT(bp->refcount==1);
+ }
+}
+
+void ex::construct_from_long(long i)
+{
+ switch (i) { // some tiny efficiency-hack
+ case -2:
+ bp = _ex_2().bp;
+ ++bp->refcount;
+ break;
+ case -1:
+ bp = _ex_1().bp;
+ ++bp->refcount;
+ break;
+ case 0:
+ bp = _ex0().bp;
+ ++bp->refcount;
+ break;
+ case 1:
+ bp = _ex1().bp;
+ ++bp->refcount;
+ break;
+ case 2:
+ bp = _ex2().bp;
+ ++bp->refcount;
+ break;
+ default:
+ bp = new numeric(i);
+ bp->setflag(status_flags::dynallocated);
+ ++bp->refcount;
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ GINAC_ASSERT(bp->refcount==1);
+ }
+}
+
+void ex::construct_from_ulong(unsigned long i)
+{
+ switch (i) { // some tiny efficiency-hack
+ case 0:
+ bp = _ex0().bp;
+ ++bp->refcount;
+ break;
+ case 1:
+ bp = _ex1().bp;
+ ++bp->refcount;
+ break;
+ case 2:
+ bp = _ex2().bp;
+ ++bp->refcount;
+ break;
+ default:
+ bp = new numeric(i);
+ bp->setflag(status_flags::dynallocated);
+ ++bp->refcount;
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ GINAC_ASSERT(bp->refcount==1);
+ }
+}
+
+void ex::construct_from_double(double d)
+{
+ bp = new numeric(d);
+ bp->setflag(status_flags::dynallocated);
+ ++bp->refcount;
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ GINAC_ASSERT(bp->refcount==1);
+}
+
+void ex::construct_from_string_and_lst(const std::string &s, const ex &l)
+{
+ set_lexer_string(s);
+ set_lexer_symbols(l);
+ ginac_yyrestart(NULL);
+ if (ginac_yyparse())
+ throw (std::runtime_error(get_parser_error()));
+ else {
+ bp = parsed_ex.bp;
+ GINAC_ASSERT(bp!=0);
+ GINAC_ASSERT((bp->flags) & status_flags::dynallocated);
+ ++bp->refcount;
+ }
+}
+
//////////
// static member variables
//////////
// none
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
git://www.ginac.de / ginac.git / blobdiff