#include "add.h"
#include "mul.h"
+#include "matrix.h"
#include "archive.h"
#include "debugmsg.h"
#include "utils.h"
{
debugmsg("add print", LOGLEVEL_PRINT);
- if (is_of_type(c, print_tree)) {
+ if (is_a<print_tree>(c)) {
inherited::print(c, level);
- } else if (is_of_type(c, print_csrc)) {
+ } else if (is_a<print_csrc>(c)) {
- if (precedence <= level)
+ if (precedence() <= level)
c.s << "(";
// Print arguments, separated by "+"
// If the coefficient is -1, it is replaced by a single minus sign
if (it->coeff.compare(_num1()) == 0) {
- it->rest.bp->print(c, precedence);
+ it->rest.bp->print(c, precedence());
} else if (it->coeff.compare(_num_1()) == 0) {
c.s << "-";
- it->rest.bp->print(c, precedence);
- } else if (ex_to_numeric(it->coeff).numer().compare(_num1()) == 0) {
- it->rest.bp->print(c, precedence);
+ it->rest.bp->print(c, precedence());
+ } else if (ex_to<numeric>(it->coeff).numer().compare(_num1()) == 0) {
+ it->rest.bp->print(c, precedence());
c.s << "/";
- ex_to_numeric(it->coeff).denom().print(c, precedence);
- } else if (ex_to_numeric(it->coeff).numer().compare(_num_1()) == 0) {
+ ex_to<numeric>(it->coeff).denom().print(c, precedence());
+ } else if (ex_to<numeric>(it->coeff).numer().compare(_num_1()) == 0) {
c.s << "-";
- it->rest.bp->print(c, precedence);
+ it->rest.bp->print(c, precedence());
c.s << "/";
- ex_to_numeric(it->coeff).denom().print(c, precedence);
+ ex_to<numeric>(it->coeff).denom().print(c, precedence());
} else {
- it->coeff.bp->print(c, precedence);
+ it->coeff.bp->print(c, precedence());
c.s << "*";
- it->rest.bp->print(c, precedence);
+ it->rest.bp->print(c, precedence());
}
// Separator is "+", except if the following expression would have a leading minus sign
it++;
- if (it != itend && !(it->coeff.compare(_num0()) < 0 || (it->coeff.compare(_num1()) == 0 && is_ex_exactly_of_type(it->rest, numeric) && it->rest.compare(_num0()) < 0)))
+ if (it != itend && !(it->coeff.compare(_num0()) < 0 || (it->coeff.compare(_num1()) == 0 && is_exactly_a<numeric>(it->rest) && it->rest.compare(_num0()) < 0)))
c.s << "+";
}
if (!overall_coeff.is_zero()) {
if (overall_coeff.info(info_flags::positive))
c.s << '+';
- overall_coeff.bp->print(c, precedence);
+ overall_coeff.bp->print(c, precedence());
}
- if (precedence <= level)
+ if (precedence() <= level)
c.s << ")";
} else {
- if (precedence <= level) {
- if (is_of_type(c, print_latex))
+ if (precedence() <= level) {
+ if (is_a<print_latex>(c))
c.s << "{(";
else
c.s << "(";
// First print the overall numeric coefficient, if present
if (!overall_coeff.is_zero()) {
- if (!is_of_type(c, print_tree))
+ if (!is_a<print_tree>(c))
overall_coeff.print(c, 0);
else
- overall_coeff.print(c, precedence);
+ overall_coeff.print(c, precedence());
first = false;
}
// Then proceed with the remaining factors
epvector::const_iterator it = seq.begin(), itend = seq.end();
while (it != itend) {
- coeff = ex_to_numeric(it->coeff);
+ coeff = ex_to<numeric>(it->coeff);
if (!first) {
if (coeff.csgn() == -1) c.s << '-'; else c.s << '+';
} else {
coeff.print(c);
} else {
if (coeff.csgn() == -1)
- (-coeff).print(c, precedence);
+ (-coeff).print(c, precedence());
else
- coeff.print(c, precedence);
+ coeff.print(c, precedence());
}
- if (is_of_type(c, print_latex))
+ if (is_a<print_latex>(c))
c.s << ' ';
else
c.s << '*';
}
- it->rest.print(c, precedence);
+ it->rest.print(c, precedence());
it++;
}
- if (precedence <= level) {
- if (is_of_type(c, print_latex))
+ if (precedence() <= level) {
+ if (is_a<print_latex>(c))
c.s << ")}";
else
c.s << ")";
ex add::coeff(const ex & s, int n) const
{
epvector coeffseq;
- coeffseq.reserve(seq.size());
-
+
epvector::const_iterator it=seq.begin();
while (it!=seq.end()) {
- coeffseq.push_back(combine_ex_with_coeff_to_pair((*it).rest.coeff(s,n),
- (*it).coeff));
+ ex restcoeff = it->rest.coeff(s,n);
+ if (!restcoeff.is_zero())
+ coeffseq.push_back(combine_ex_with_coeff_to_pair(restcoeff,it->coeff));
++it;
}
- if (n==0) {
- return (new add(coeffseq,overall_coeff))->setflag(status_flags::dynallocated);
- }
- return (new add(coeffseq))->setflag(status_flags::dynallocated);
+
+ return (new add(coeffseq, n==0 ? overall_coeff : default_overall_coeff()))->setflag(status_flags::dynallocated);
}
ex add::eval(int level) const
return this->hold();
}
+ex add::evalm(void) const
+{
+ // Evaluate children first and add up all matrices. Stop if there's one
+ // term that is not a matrix.
+ epvector *s = new epvector;
+ s->reserve(seq.size());
+
+ bool all_matrices = true;
+ bool first_term = true;
+ matrix sum;
+
+ epvector::const_iterator it = seq.begin(), itend = seq.end();
+ while (it != itend) {
+ const ex &m = recombine_pair_to_ex(*it).evalm();
+ s->push_back(split_ex_to_pair(m));
+ if (is_ex_of_type(m, matrix)) {
+ if (first_term) {
+ sum = ex_to<matrix>(m);
+ first_term = false;
+ } else
+ sum = sum.add(ex_to<matrix>(m));
+ } else
+ all_matrices = false;
+ it++;
+ }
+
+ if (all_matrices)
+ return sum + overall_coeff;
+ else
+ return (new add(s, overall_coeff))->setflag(status_flags::dynallocated);
+}
+
ex add::simplify_ncmul(const exvector & v) const
{
if (seq.size()==0) {
expair add::split_ex_to_pair(const ex & e) const
{
if (is_ex_exactly_of_type(e,mul)) {
- const mul &mulref = ex_to_mul(e);
+ const mul &mulref(ex_to<mul>(e));
ex numfactor = mulref.overall_coeff;
mul *mulcopyp = new mul(mulref);
mulcopyp->overall_coeff = _ex1();
{
GINAC_ASSERT(is_ex_exactly_of_type(c, numeric));
if (is_ex_exactly_of_type(e, mul)) {
- const mul &mulref = ex_to_mul(e);
+ const mul &mulref(ex_to<mul>(e));
ex numfactor = mulref.overall_coeff;
mul *mulcopyp = new mul(mulref);
mulcopyp->overall_coeff = _ex1();
else if (are_ex_trivially_equal(numfactor, _ex1()))
return expair(*mulcopyp, c);
else
- return expair(*mulcopyp, ex_to_numeric(numfactor).mul_dyn(ex_to_numeric(c)));
+ return expair(*mulcopyp, ex_to<numeric>(numfactor).mul_dyn(ex_to<numeric>(c)));
} else if (is_ex_exactly_of_type(e, numeric)) {
if (are_ex_trivially_equal(c, _ex1()))
return expair(e, _ex1());
- return expair(ex_to_numeric(e).mul_dyn(ex_to_numeric(c)), _ex1());
+ return expair(ex_to<numeric>(e).mul_dyn(ex_to<numeric>(c)), _ex1());
}
return expair(e, c);
}
GINAC_ASSERT(is_ex_exactly_of_type(c,numeric));
if (is_ex_exactly_of_type(p.rest,numeric)) {
- GINAC_ASSERT(ex_to_numeric(p.coeff).is_equal(_num1())); // should be normalized
- return expair(ex_to_numeric(p.rest).mul_dyn(ex_to_numeric(c)),_ex1());
+ GINAC_ASSERT(ex_to<numeric>(p.coeff).is_equal(_num1())); // should be normalized
+ return expair(ex_to<numeric>(p.rest).mul_dyn(ex_to<numeric>(c)),_ex1());
}
- return expair(p.rest,ex_to_numeric(p.coeff).mul_dyn(ex_to_numeric(c)));
+ return expair(p.rest,ex_to<numeric>(p.coeff).mul_dyn(ex_to<numeric>(c)));
}
ex add::recombine_pair_to_ex(const expair & p) const
{
- if (ex_to_numeric(p.coeff).is_equal(_num1()))
+ if (ex_to<numeric>(p.coeff).is_equal(_num1()))
return p.rest;
else
return p.rest*p.coeff;
return (new add(vp,overall_coeff))->setflag(status_flags::expanded | status_flags::dynallocated);
}
-//////////
-// static member variables
-//////////
-
-// protected
-
-unsigned add::precedence = 40;
-
} // namespace GiNaC
git://www.ginac.de / ginac.git / blobdiff