schlaefli_labels.cpp

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/*
 * schlaefli_labels.cpp
 *
 *  Created on: May 22, 2021
 *      Author: betten
 */
 
 
 
 
#include "foundations.h"
 
using namespace std;
 
 
namespace orbiter {
namespace layer1_foundations {
namespace algebraic_geometry {
 
 
schlaefli_labels::schlaefli_labels()
{
    Sets = NULL;
    M = NULL;
    Sets2 = NULL;
 
 
    Line_label = NULL;
    Line_label_tex = NULL;
}
 
schlaefli_labels::~schlaefli_labels()
{
    if (Sets) {
        FREE_lint(Sets);
    }
    if (M) {
        FREE_int(M);
    }
    if (Sets2) {
        FREE_lint(Sets2);
    }
 
 
    if (Line_label) {
        delete [] Line_label;
    }
    if (Line_label_tex) {
        delete [] Line_label_tex;
    }
 
}
 
 
void schlaefli_labels::init(int verbose_level)
{
    int f_v = (verbose_level >= 1);
    orbiter_kernel_system::latex_interface L;
 
    int i, j, h, h2;
 
    if (f_v) {
        cout << "schlaefli_labels::init" << endl;
    }
 
    Sets = NEW_lint(30 * 2);
    M = NEW_int(6 * 6);
    Int_vec_zero(M, 6 * 6);
 
    h = 0;
    for (i = 0; i < 6; i++) {
        for (j = 0; j < 6; j++) {
            if (j == i) {
                continue;
            }
            M[i * 6 + j] = h;
            Sets[h * 2 + 0] = i;
            Sets[h * 2 + 1] = 6 + j;
            h++;
        }
    }
 
 
    if (h != 30) {
        cout << "h != 30" << endl;
        exit(1);
    }
 
 
    if (f_v) {
        cout << "schlaefli_labels::init Sets:" << endl;
        L.print_lint_matrix_with_standard_labels(cout,
            Sets, 30, 2, FALSE /* f_tex */);
    }
 
 
    Sets2 = NEW_lint(15 * 2);
    h2 = 0;
    for (i = 0; i < 6; i++) {
        for (j = i + 1; j < 6; j++) {
            Sets2[h2 * 2 + 0] = M[i * 6 + j];
            Sets2[h2 * 2 + 1] = M[j * 6 + i];
            h2++;
        }
    }
    if (h2 != 15) {
        cout << "h2 != 15" << endl;
        exit(1);
    }
 
    if (f_v) {
        cout << "Sets2:" << endl;
        L.print_lint_matrix_with_standard_labels(cout,
            Sets2, 15, 2, FALSE /* f_tex */);
    }
 
 
 
    Line_label = new std::string[28];
    Line_label_tex = new std::string[28];
    char str[1000];
    int a, b, c;
 
    for (i = 0; i < 27; i++) {
        if (i < 6) {
            snprintf(str, 1000, "a_%d", i + 1);
            }
        else if (i < 12) {
            snprintf(str, 1000, "b_%d", i - 6 + 1);
            }
        else {
            h = i - 12;
            c = Sets2[h * 2 + 0];
            a = Sets[c * 2 + 0] + 1;
            b = Sets[c * 2 + 1] - 6 + 1;
            snprintf(str, 1000, "c_{%d%d}", a, b);
            }
        if (f_v) {
            cout << "creating label " << str
                << " for line " << i << endl;
            }
        Line_label[i].assign(str);
        }
    Line_label[27].assign("d");
 
    for (i = 0; i < 27; i++) {
        if (i < 6) {
            snprintf(str, 1000, "a_{%d}", i + 1);
            }
        else if (i < 12) {
            snprintf(str, 1000, "b_{%d}", i - 6 + 1);
            }
        else {
            h = i - 12;
            c = Sets2[h * 2 + 0];
            a = Sets[c * 2 + 0] + 1;
            b = Sets[c * 2 + 1] - 6 + 1;
            snprintf(str, 1000, "c_{%d%d}", a, b);
            }
        if (f_v) {
            cout << "creating label " << str
                << " for line " << i << endl;
            }
        Line_label_tex[i].assign(str);
        }
    Line_label_tex[27].assign("d");
 
 
 
 
    if (f_v) {
        cout << "schlaefli_labels::init done" << endl;
    }
}
 
 
}}}