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// txt2c.cpp : This simple app builds a table
// of discrete probability distribution functions
// and generates a .cpp/.h file that describe them.
//
#include <string.h>
#include <iostream>
#include <fstream>
#include <stdio.h>
#include <stdlib.h>
#include "dpdf.h"
using namespace std;
int
main(int argc, char* argv[])
{
if (argc < 4)
{
cerr << "Usage is " << argv[0] << " maxsides maxrolls scale" << endl;
cerr << "This will build dpdf_table.cpp and dpdf_table.h" << endl;
return -2;
}
ifstream is(argv[1], ios::in);
int maxsides, maxrolls, scale, roll, side;
maxsides = atoi(argv[1]);
maxrolls = atoi(argv[2]);
scale = atoi(argv[3]);
ofstream os("dpdf_table.cpp");
if (!os)
{
cerr << "Couldn't open for write " << "dpdf_table.cpp" << endl;
}
ofstream hos("dpdf_table.h");
if (!hos)
{
cerr << "Couldn't open for write " << "dpdf_table.h" << endl;
}
// Build the header file.
hos << "// dpdf_table.h" << endl
<< "// Automagically generated by builddpdf" << endl
<< "// DO NOT HAND EDIT. Yes, this means you." << endl
<< endl;
hos << "// Dimensions of table, these are inclusive." << endl;
hos << "#define DPDF_MAXSIDES " << maxsides << endl;
hos << "#define DPDF_MAXROLLS " << maxrolls << endl;
hos << "#define DPDF_SCALE " << scale << endl;
hos << endl;
hos << "// Since 0 and 1 are obvious for sides, hence the -1" << endl;
hos << "extern const int glb_dpdftable[DPDF_MAXROLLS+1][DPDF_MAXSIDES-1];" << endl;
os << "// dpdf_table.cpp" << endl
<< "// Automagically generated by builddpdf" << endl
<< "// DO NOT HAND EDIT. Yes, this means you." << endl
<< endl;
os << "#include \"dpdf_table.h\"" << endl
<< endl;
os << "const int glb_dpdftable[DPDF_MAXROLLS+1][DPDF_MAXSIDES-1] =" << endl
<< "{" << endl;
for (roll = 0; roll <= maxrolls; roll++)
{
os << " { ";
for (side = 2; side <= maxsides; side++)
{
DPDF r(1, side), u(1, side);
int mean;
int i;
for (i = 0; i < roll; i++)
{
r.max(r, u);
}
mean = (int) (r.expectedValue() * scale + 0.5);
os << mean << ", ";
}
os << "}," << endl;
}
os << "};" << endl;
return 0;
}
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