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Added symbolic differentiation

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This commit is contained in:
maartenkeijzer 2005-10-09 07:03:35 +00:00
commit ffdce66c98
12 changed files with 186 additions and 61 deletions
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18
eo/contrib/mathsym/eval/sym_compile.cpp
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@ -75,7 +75,9 @@ void write_entry(Sym sym, ostream& os, HashMap& map, unsigned out) {
multi_function compile(const std::vector<Sym>& syms) {
ostringstream os;
// static stream to avoid fragmentation of these LARGE strings
static ostringstream os;
os.str("");
os << make_prototypes();
@ -88,11 +90,8 @@ multi_function compile(const std::vector<Sym>& syms) {
}
os << ";}";
string func_str = os.str();
//cout << "compiling " << func_str << endl;
return (multi_function) symc_make(func_str.c_str(), "func");
return (multi_function) symc_make(os.str().c_str(), "func");
}
single_function compile(Sym sym) {
@ -140,7 +139,9 @@ string print_code(Sym sym, HashMap& map) {
void compile(const std::vector<Sym>& syms, std::vector<single_function>& functions) {
symc_init();
ostringstream os;
static ostringstream os;
os.str("");
os << make_prototypes();
HashMap map;
for (unsigned i = 0; i < syms.size(); ++i) {
@ -153,10 +154,11 @@ void compile(const std::vector<Sym>& syms, std::vector<single_function>& functio
//cout << "compiling " << os.str() << endl;
}
os << ends;
#ifdef INTERVAL_DEBUG
//cout << "Compiling " << os.str() << endl;
#endif
symc_compile(os.str().c_str());
symc_link();