#include "numeric.h"
#include "ex.h"
-#include "print.h"
#include "operators.h"
#include "archive.h"
#include "tostring.h"
namespace GiNaC {
-GINAC_IMPLEMENT_REGISTERED_CLASS(numeric, basic)
+GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(numeric, basic,
+ print_func<print_context>(&numeric::do_print).
+ print_func<print_latex>(&numeric::do_print_latex).
+ print_func<print_csrc>(&numeric::do_print_csrc).
+ print_func<print_csrc_cl_N>(&numeric::do_print_csrc_cl_N).
+ print_func<print_tree>(&numeric::do_print_tree).
+ print_func<print_python_repr>(&numeric::do_print_python_repr))
//////////
// default constructor
}
}
-/** This method adds to the output so it blends more consistently together
- * with the other routines and produces something compatible to ginsh input.
- *
- * @see print_real_number() */
-void numeric::print(const print_context & c, unsigned level) const
+void numeric::print_numeric(const print_context & c, const char *par_open, const char *par_close, const char *imag_sym, const char *mul_sym, unsigned level) const
{
- if (is_a<print_tree>(c)) {
+ const cln::cl_R r = cln::realpart(cln::the<cln::cl_N>(value));
+ const cln::cl_R i = cln::imagpart(cln::the<cln::cl_N>(value));
- c.s << std::string(level, ' ') << cln::the<cln::cl_N>(value)
- << " (" << class_name() << ")"
- << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
- << std::endl;
+ if (cln::zerop(i)) {
- } else if (is_a<print_csrc_cl_N>(c)) {
+ // case 1, real: x or -x
+ if ((precedence() <= level) && (!this->is_nonneg_integer())) {
+ c.s << par_open;
+ print_real_number(c, r);
+ c.s << par_close;
+ } else {
+ print_real_number(c, r);
+ }
- // CLN output
- if (this->is_real()) {
+ } else {
+ if (cln::zerop(r)) {
- // Real number
- print_real_cl_N(c, cln::the<cln::cl_R>(value));
+ // case 2, imaginary: y*I or -y*I
+ if (i == 1)
+ c.s << imag_sym;
+ else {
+ if (precedence()<=level)
+ c.s << par_open;
+ if (i == -1)
+ c.s << "-" << imag_sym;
+ else {
+ print_real_number(c, i);
+ c.s << mul_sym << imag_sym;
+ }
+ if (precedence()<=level)
+ c.s << par_close;
+ }
} else {
- // Complex number
- c.s << "cln::complex(";
- print_real_cl_N(c, cln::realpart(cln::the<cln::cl_N>(value)));
- c.s << ",";
- print_real_cl_N(c, cln::imagpart(cln::the<cln::cl_N>(value)));
- c.s << ")";
+ // case 3, complex: x+y*I or x-y*I or -x+y*I or -x-y*I
+ if (precedence() <= level)
+ c.s << par_open;
+ print_real_number(c, r);
+ if (i < 0) {
+ if (i == -1) {
+ c.s << "-" << imag_sym;
+ } else {
+ print_real_number(c, i);
+ c.s << mul_sym << imag_sym;
+ }
+ } else {
+ if (i == 1) {
+ c.s << "+" << imag_sym;
+ } else {
+ c.s << "+";
+ print_real_number(c, i);
+ c.s << mul_sym << imag_sym;
+ }
+ }
+ if (precedence() <= level)
+ c.s << par_close;
}
+ }
+}
- } else if (is_a<print_csrc>(c)) {
+void numeric::do_print(const print_context & c, unsigned level) const
+{
+ print_numeric(c, "(", ")", "I", "*", level);
+}
- // C++ source output
- std::ios::fmtflags oldflags = c.s.flags();
- c.s.setf(std::ios::scientific);
- int oldprec = c.s.precision();
+void numeric::do_print_latex(const print_latex & c, unsigned level) const
+{
+ print_numeric(c, "{(", ")}", "i", " ", level);
+}
- // Set precision
- if (is_a<print_csrc_double>(c))
- c.s.precision(std::numeric_limits<double>::digits10 + 1);
- else
- c.s.precision(std::numeric_limits<float>::digits10 + 1);
+void numeric::do_print_csrc(const print_csrc & c, unsigned level) const
+{
+ std::ios::fmtflags oldflags = c.s.flags();
+ c.s.setf(std::ios::scientific);
+ int oldprec = c.s.precision();
- if (this->is_real()) {
+ // Set precision
+ if (is_a<print_csrc_double>(c))
+ c.s.precision(std::numeric_limits<double>::digits10 + 1);
+ else
+ c.s.precision(std::numeric_limits<float>::digits10 + 1);
- // Real number
- print_real_csrc(c, cln::the<cln::cl_R>(value));
+ if (this->is_real()) {
- } else {
+ // Real number
+ print_real_csrc(c, cln::the<cln::cl_R>(value));
- // Complex number
- c.s << "std::complex<";
- if (is_a<print_csrc_double>(c))
- c.s << "double>(";
- else
- c.s << "float>(";
+ } else {
- print_real_csrc(c, cln::realpart(cln::the<cln::cl_N>(value)));
- c.s << ",";
- print_real_csrc(c, cln::imagpart(cln::the<cln::cl_N>(value)));
- c.s << ")";
- }
+ // Complex number
+ c.s << "std::complex<";
+ if (is_a<print_csrc_double>(c))
+ c.s << "double>(";
+ else
+ c.s << "float>(";
+
+ print_real_csrc(c, cln::realpart(cln::the<cln::cl_N>(value)));
+ c.s << ",";
+ print_real_csrc(c, cln::imagpart(cln::the<cln::cl_N>(value)));
+ c.s << ")";
+ }
+
+ c.s.flags(oldflags);
+ c.s.precision(oldprec);
+}
- c.s.flags(oldflags);
- c.s.precision(oldprec);
+void numeric::do_print_csrc_cl_N(const print_csrc_cl_N & c, unsigned level) const
+{
+ if (this->is_real()) {
+
+ // Real number
+ print_real_cl_N(c, cln::the<cln::cl_R>(value));
} else {
- const std::string par_open = is_a<print_latex>(c) ? "{(" : "(";
- const std::string par_close = is_a<print_latex>(c) ? ")}" : ")";
- const std::string imag_sym = is_a<print_latex>(c) ? "i" : "I";
- const std::string mul_sym = is_a<print_latex>(c) ? " " : "*";
- const cln::cl_R r = cln::realpart(cln::the<cln::cl_N>(value));
- const cln::cl_R i = cln::imagpart(cln::the<cln::cl_N>(value));
-
- if (is_a<print_python_repr>(c))
- c.s << class_name() << "('";
- if (cln::zerop(i)) {
- // case 1, real: x or -x
- if ((precedence() <= level) && (!this->is_nonneg_integer())) {
- c.s << par_open;
- print_real_number(c, r);
- c.s << par_close;
- } else {
- print_real_number(c, r);
- }
- } else {
- if (cln::zerop(r)) {
- // case 2, imaginary: y*I or -y*I
- if (i==1)
- c.s << imag_sym;
- else {
- if (precedence()<=level)
- c.s << par_open;
- if (i == -1)
- c.s << "-" << imag_sym;
- else {
- print_real_number(c, i);
- c.s << mul_sym+imag_sym;
- }
- if (precedence()<=level)
- c.s << par_close;
- }
- } else {
- // case 3, complex: x+y*I or x-y*I or -x+y*I or -x-y*I
- if (precedence() <= level)
- c.s << par_open;
- print_real_number(c, r);
- if (i < 0) {
- if (i == -1) {
- c.s << "-"+imag_sym;
- } else {
- print_real_number(c, i);
- c.s << mul_sym+imag_sym;
- }
- } else {
- if (i == 1) {
- c.s << "+"+imag_sym;
- } else {
- c.s << "+";
- print_real_number(c, i);
- c.s << mul_sym+imag_sym;
- }
- }
- if (precedence() <= level)
- c.s << par_close;
- }
- }
- if (is_a<print_python_repr>(c))
- c.s << "')";
+ // Complex number
+ c.s << "cln::complex(";
+ print_real_cl_N(c, cln::realpart(cln::the<cln::cl_N>(value)));
+ c.s << ",";
+ print_real_cl_N(c, cln::imagpart(cln::the<cln::cl_N>(value)));
+ c.s << ")";
}
}
+void numeric::do_print_tree(const print_tree & c, unsigned level) const
+{
+ c.s << std::string(level, ' ') << cln::the<cln::cl_N>(value)
+ << " (" << class_name() << ")" << " @" << this
+ << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
+ << std::endl;
+}
+
+void numeric::do_print_python_repr(const print_python_repr & c, unsigned level) const
+{
+ c.s << class_name() << "('";
+ print_numeric(c, "(", ")", "I", "*", level);
+ c.s << "')";
+}
+
bool numeric::info(unsigned inf) const
{
switch (inf) {
/** Natural logarithm.
*
- * @param z complex number
+ * @param x complex number
* @return arbitrary precision numerical log(x).
* @exception pole_error("log(): logarithmic pole",0) */
-const numeric log(const numeric &z)
+const numeric log(const numeric &x)
{
- if (z.is_zero())
+ if (x.is_zero())
throw pole_error("log(): logarithmic pole",0);
- return cln::log(z.to_cl_N());
+ return cln::log(x.to_cl_N());
}
/** Arcustangent.
*
- * @param z complex number
- * @return atan(z)
+ * @param x complex number
+ * @return atan(x)
* @exception pole_error("atan(): logarithmic pole",0) */
const numeric atan(const numeric &x)
{
/** Numeric square root.
- * If possible, sqrt(z) should respect squares of exact numbers, i.e. sqrt(4)
+ * If possible, sqrt(x) should respect squares of exact numbers, i.e. sqrt(4)
* should return integer 2.
*
- * @param z numeric argument
- * @return square root of z. Branch cut along negative real axis, the negative
- * real axis itself where imag(z)==0 and real(z)<0 belongs to the upper part
- * where imag(z)>0. */
-const numeric sqrt(const numeric &z)
+ * @param x numeric argument
+ * @return square root of x. Branch cut along negative real axis, the negative
+ * real axis itself where imag(x)==0 and real(x)<0 belongs to the upper part
+ * where imag(x)>0. */
+const numeric sqrt(const numeric &x)
{
- return cln::sqrt(z.to_cl_N());
+ return cln::sqrt(x.to_cl_N());
}
git://www.ginac.de / ginac.git / blobdiff