typedef multimap<string, string> help_tab;
static help_tab help;
+static void insert_fcn_help(const char *name, const char *str);
static void print_help(const string &topic);
static void print_help_topics(void);
%}
return e[0].evalf(ex_to<numeric>(e[1]).to_int());
}
+static ex f_find(const exprseq &e)
+{
+ lst found;
+ e[0].find(e[1], found);
+ return found;
+}
+
static ex f_inverse(const exprseq &e)
{
CHECK_ARG(0, matrix, inverse);
return (bool)ex_to<relational>(e[0]) ? ex(1) : ex(0);
}
+class apply_map_function : public map_function {
+ ex apply;
+public:
+ apply_map_function(const ex & a) : apply(a) {}
+ ex operator()(const ex & e) { return apply.subs(wild() == e, true); }
+};
+
+static ex f_map(const exprseq &e)
+{
+ apply_map_function fcn(e[1]);
+ return e[0].map(fcn);
+}
+
static ex f_match(const exprseq &e)
{
lst repl_lst;
throw(std::logic_error("dummy function called (shouldn't happen)"));
}
-// Table for initializing the "fcns" map
+// Tables for initializing the "fcns" map and the function help topics
struct fcn_init {
const char *name;
const fcn_desc desc;
{"evalf", fcn_desc(f_evalf2, 2)},
{"evalm", fcn_desc(f_evalm, 1)},
{"expand", fcn_desc(f_expand, 1)},
+ {"find", fcn_desc(f_find, 2)},
{"gcd", fcn_desc(f_gcd, 2)},
{"has", fcn_desc(f_has, 2)},
{"inverse", fcn_desc(f_inverse, 1)},
{"lcoeff", fcn_desc(f_lcoeff, 2)},
{"ldegree", fcn_desc(f_ldegree, 2)},
{"lsolve", fcn_desc(f_lsolve, 2)},
+ {"map", fcn_desc(f_map, 2)},
{"match", fcn_desc(f_match, 2)},
{"nops", fcn_desc(f_nops, 1)},
{"normal", fcn_desc(f_normal1, 1)},
{NULL, fcn_desc(f_dummy, 0)} // End marker
};
+struct fcn_help_init {
+ const char *name;
+ const char *help;
+};
+
+static const fcn_help_init builtin_help[] = {
+ {"acos", "inverse cosine function"},
+ {"acosh", "inverse hyperbolic cosine function"},
+ {"asin", "inverse sine function"},
+ {"asinh", "inverse hyperbolic sine function"},
+ {"atan", "inverse tangent function"},
+ {"atan2", "inverse tangent function with two arguments"},
+ {"atanh", "inverse hyperbolic tangent function"},
+ {"beta", "Beta function"},
+ {"binomial", "binomial function"},
+ {"cos", "cosine function"},
+ {"cosh", "hyperbolic cosine function"},
+ {"exp", "exponential function"},
+ {"factorial", "factorial function"},
+ {"lgamma", "natural logarithm of Gamma function"},
+ {"tgamma", "Gamma function"},
+ {"log", "natural logarithm"},
+ {"psi", "psi function\npsi(x) is the digamma function, psi(n,x) the nth polygamma function"},
+ {"sin", "sine function"},
+ {"sinh", "hyperbolic sine function"},
+ {"tan", "tangent function"},
+ {"tanh", "hyperbolic tangent function"},
+ {"zeta", "zeta function\nzeta(x) is Riemann's zeta function, zeta(n,x) its nth derivative"},
+ {"Li2", "dilogarithm"},
+ {"Li3", "trilogarithm"},
+ {"Order", "order term function (for truncated power series)"},
+ {"Derivative", "inert differential operator"},
+ {NULL, NULL} // End marker
+};
+
+#include "ginsh_extensions.h"
+
/*
* Add functions to ginsh
unsigned serial = 0;
while (i != end) {
fcns.insert(make_pair(i->get_name(), fcn_desc(f_ginac_function, i->get_nparams(), serial)));
- i++;
+ ++i;
serial++;
}
}
}
}
+// Help strings for functions from fcn_help_init array
+static void insert_help(const fcn_help_init *p)
+{
+ while (p->name) {
+ insert_fcn_help(p->name, p->help);
+ p++;
+ }
+}
+
/*
* Print help to cout
// Return the next function which partially matches
while (index != fcns.end()) {
const char *fcn_name = index->first.c_str();
- index++;
+ ++index;
if (strncmp(fcn_name, text, len) == 0)
return strdup(fcn_name);
}
// Init function table
insert_fcns(builtin_fcns);
+ insert_fcns(extended_fcns);
ginsh_get_ginac_functions();
// Init help for operators (automatically generated from man page)
#include "ginsh_fcn_help.c"
// Help for GiNaC functions is added manually
- insert_fcn_help("acos", "inverse cosine function");
- insert_fcn_help("acosh", "inverse hyperbolic cosine function");
- insert_fcn_help("asin", "inverse sine function");
- insert_fcn_help("asinh", "inverse hyperbolic sine function");
- insert_fcn_help("atan", "inverse tangent function");
- insert_fcn_help("atan2", "inverse tangent function with two arguments");
- insert_fcn_help("atanh", "inverse hyperbolic tangent function");
- insert_fcn_help("beta", "Beta function");
- insert_fcn_help("binomial", "binomial function");
- insert_fcn_help("cos", "cosine function");
- insert_fcn_help("cosh", "hyperbolic cosine function");
- insert_fcn_help("exp", "exponential function");
- insert_fcn_help("factorial", "factorial function");
- insert_fcn_help("lgamma", "natural logarithm of Gamma function");
- insert_fcn_help("tgamma", "Gamma function");
- insert_fcn_help("log", "natural logarithm");
- insert_fcn_help("psi", "psi function\npsi(x) is the digamma function, psi(n,x) the nth polygamma function");
- insert_fcn_help("sin", "sine function");
- insert_fcn_help("sinh", "hyperbolic sine function");
- insert_fcn_help("tan", "tangent function");
- insert_fcn_help("tanh", "hyperbolic tangent function");
- insert_fcn_help("zeta", "zeta function\nzeta(x) is Riemann's zeta function, zeta(n,x) its nth derivative");
- insert_fcn_help("Li2", "dilogarithm");
- insert_fcn_help("Li3", "trilogarithm");
- insert_fcn_help("Order", "order term function (for truncated power series)");
+ insert_help(builtin_help);
+ insert_help(extended_help);
// Init readline completer
rl_readline_name = argv[0];