#include "inifcns.h"
#include "relational.h"
#include "symbol.h"
+#include "print.h"
#include "archive.h"
#include "debugmsg.h"
#include "utils.h"
// public
-void power::print(std::ostream & os, unsigned upper_precedence) const
-{
- debugmsg("power print",LOGLEVEL_PRINT);
- if (exponent.is_equal(_ex1_2())) {
- os << "sqrt(" << basis << ")";
- } else {
- if (precedence<=upper_precedence) os << "(";
- basis.print(os,precedence);
- os << "^";
- exponent.print(os,precedence);
- if (precedence<=upper_precedence) os << ")";
- }
-}
-
-void power::printraw(std::ostream & os) const
-{
- debugmsg("power printraw",LOGLEVEL_PRINT);
-
- os << class_name() << "(";
- basis.printraw(os);
- os << ",";
- exponent.printraw(os);
- os << ",hash=" << hashvalue << ",flags=" << flags << ")";
-}
-
-void power::printtree(std::ostream & os, unsigned indent) const
-{
- debugmsg("power printtree",LOGLEVEL_PRINT);
-
- os << std::string(indent,' ') << class_name()
- << ", hash=" << hashvalue
- << " (0x" << std::hex << hashvalue << std::dec << ")"
- << ", flags=" << flags << std::endl;
- basis.printtree(os, indent+delta_indent);
- exponent.printtree(os, indent+delta_indent);
-}
-
-static void print_sym_pow(std::ostream & os, unsigned type, const symbol &x, int exp)
+static void print_sym_pow(const print_context & c, const symbol &x, int exp)
{
// Optimal output of integer powers of symbols to aid compiler CSE.
// C.f. ISO/IEC 14882:1998, section 1.9 [intro execution], paragraph 15
// to learn why such a hack is really necessary.
if (exp == 1) {
- x.printcsrc(os, type, 0);
+ x.print(c);
} else if (exp == 2) {
- x.printcsrc(os, type, 0);
- os << "*";
- x.printcsrc(os, type, 0);
+ x.print(c);
+ c.s << "*";
+ x.print(c);
} else if (exp & 1) {
- x.printcsrc(os, 0);
- os << "*";
- print_sym_pow(os, type, x, exp-1);
+ x.print(c);
+ c.s << "*";
+ print_sym_pow(c, x, exp-1);
} else {
- os << "(";
- print_sym_pow(os, type, x, exp >> 1);
- os << ")*(";
- print_sym_pow(os, type, x, exp >> 1);
- os << ")";
+ c.s << "(";
+ print_sym_pow(c, x, exp >> 1);
+ c.s << ")*(";
+ print_sym_pow(c, x, exp >> 1);
+ c.s << ")";
}
}
-void power::printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence) const
+void power::print(const print_context & c, unsigned level) const
{
- debugmsg("power print csrc", LOGLEVEL_PRINT);
-
- // Integer powers of symbols are printed in a special, optimized way
- if (exponent.info(info_flags::integer)
- && (is_ex_exactly_of_type(basis, symbol) || is_ex_exactly_of_type(basis, constant))) {
- int exp = ex_to_numeric(exponent).to_int();
- if (exp > 0)
- os << "(";
- else {
- exp = -exp;
- if (type == csrc_types::ctype_cl_N)
- os << "recip(";
+ debugmsg("power print", LOGLEVEL_PRINT);
+
+ if (is_of_type(c, print_tree)) {
+
+ inherited::print(c, level);
+
+ } else if (is_of_type(c, print_csrc)) {
+
+ // Integer powers of symbols are printed in a special, optimized way
+ if (exponent.info(info_flags::integer)
+ && (is_ex_exactly_of_type(basis, symbol) || is_ex_exactly_of_type(basis, constant))) {
+ int exp = ex_to_numeric(exponent).to_int();
+ if (exp > 0)
+ c.s << "(";
+ else {
+ exp = -exp;
+ if (is_of_type(c, print_csrc_cl_N))
+ c.s << "recip(";
+ else
+ c.s << "1.0/(";
+ }
+ print_sym_pow(c, ex_to_symbol(basis), exp);
+ c.s << ")";
+
+ // <expr>^-1 is printed as "1.0/<expr>" or with the recip() function of CLN
+ } else if (exponent.compare(_num_1()) == 0) {
+ if (is_of_type(c, print_csrc_cl_N))
+ c.s << "recip(";
else
- os << "1.0/(";
- }
- print_sym_pow(os, type, static_cast<const symbol &>(*basis.bp), exp);
- os << ")";
+ c.s << "1.0/(";
+ basis.print(c);
+ c.s << ")";
- // <expr>^-1 is printed as "1.0/<expr>" or with the recip() function of CLN
- } else if (exponent.compare(_num_1()) == 0) {
- if (type == csrc_types::ctype_cl_N)
- os << "recip(";
- else
- os << "1.0/(";
- basis.bp->printcsrc(os, type, 0);
- os << ")";
+ // Otherwise, use the pow() or expt() (CLN) functions
+ } else {
+ if (is_of_type(c, print_csrc_cl_N))
+ c.s << "expt(";
+ else
+ c.s << "pow(";
+ basis.print(c);
+ c.s << ",";
+ exponent.print(c);
+ c.s << ")";
+ }
- // Otherwise, use the pow() or expt() (CLN) functions
} else {
- if (type == csrc_types::ctype_cl_N)
- os << "expt(";
- else
- os << "pow(";
- basis.bp->printcsrc(os, type, 0);
- os << ",";
- exponent.bp->printcsrc(os, type, 0);
- os << ")";
+
+ if (exponent.is_equal(_ex1_2())) {
+ c.s << "sqrt(";
+ basis.print(c);
+ c.s << ")";
+ } else {
+ if (precedence <= level)
+ c.s << "(";
+ basis.print(c, precedence);
+ c.s << "^";
+ exponent.print(c, precedence);
+ if (precedence <= level)
+ c.s << ")";
+ }
}
}