mirror of
https://github.com/tdulcet/Table-and-Graph-Libs.git
synced 2025-05-06 06:35:26 +08:00
523 lines
12 KiB
C++
523 lines
12 KiB
C++
// Teal Dulcet, CS546
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#include <iostream>
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#include <sstream>
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#include <cstring>
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#include <iomanip>
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#include <cwchar>
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#include <clocale>
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#include <cstdlib>
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#include <sys/ioctl.h>
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#include <unistd.h>
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using namespace std;
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const char *const styles[][11] = {
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{"-", "|", "+", "+", "+", "+", "+", "+", "+", "+", "+"}, //ASCII
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{"—", "|", "+", "+", "+", "+", "+", "+", "+", "+", "+"}, //Basic
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{"─", "│", "┌", "┬", "┐", "├", "┼", "┤", "└", "┴", "┘"}, //Light
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{"━", "┃", "┏", "┳", "┓", "┣", "╋", "┫", "┗", "┻", "┛"}, //Heavy
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{"═", "║", "╔", "╦", "╗", "╠", "╬", "╣", "╚", "╩", "╝"}, //Double
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{"╌", "╎", "┌", "┬", "┐", "├", "┼", "┤", "└", "┴", "┘"}, //Light Dashed
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{"╍", "╏", "┏", "┳", "┓", "┣", "╋", "┫", "┗", "┻", "┛"} //Heavy Dashed
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};
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// {" ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " "}};//No border
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struct tableoptions
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{
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bool headerrow;
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bool headercolumn;
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bool tableborder;
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bool cellborder;
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unsigned int padding;
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ios_base &(*alignment)(ios_base &);
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bool boolalpha;
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char *title;
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unsigned int style;
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tableoptions(void);
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~tableoptions(void);
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};
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tableoptions::tableoptions(void)
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{
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headerrow = false;
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headercolumn = false;
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tableborder = true;
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cellborder = false;
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padding = 1;
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alignment = left;
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boolalpha = false;
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title = NULL;
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style = 2;
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}
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tableoptions::~tableoptions(void)
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{
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}
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const tableoptions tabledefaultoptions;
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// Number of columns needed to represent the string
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// Adapted from: https://stackoverflow.com/a/31124065
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int strcol(const char *const str)
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{
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size_t length = strlen(str);
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for (size_t i = 0; i < length; ++i)
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if (iscntrl(str[i]))
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{
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cerr << "\nError! Control character in string.\n";
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cout << "Control character: " << (int)str[i] << "\n";
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}
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length = mbstowcs(NULL, str, 0);
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if (length == (size_t)-1)
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{
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cerr << "\nError! mbstowcs failed. Invalid multibyte character.\n";
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exit(1);
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}
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++length;
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wchar_t *wcstring = new wchar_t[length];
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if (mbstowcs(wcstring, str, length) == (size_t)-1)
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{
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if (wcstring != NULL)
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delete[] wcstring;
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cerr << "\nError! mbstowcs failed. Invalid multibyte character.\n";
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exit(1);
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}
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int width = wcswidth(wcstring, length);
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if (width == -1)
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{
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cerr << "\nError! wcswidth failed. Nonprintable wide character.\n";
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exit(1);
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}
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if (wcstring != NULL)
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delete[] wcstring;
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return width;
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}
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// Word wrap
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// Source: https://gist.github.com/tdulcet/819821ca69501822ad3f84a060c640a0
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// Adapted from: https://stackoverflow.com/a/42016346 and https://stackoverflow.com/a/13094734
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string wrap(const char *const str, const size_t line_length)
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{
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char words[strlen(str) + 1];
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strcpy(words, str);
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string wrapped;
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size_t index = 0;
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size_t linelen = 0;
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while (words[index] != '\0')
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{
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if (words[index] == '\n')
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{
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linelen = 0;
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}
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else if (isspace(words[index]))
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{
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size_t tempindex = index + 1;
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size_t templinelen = linelen;
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while (!isspace(words[tempindex]) and words[tempindex] != '\0')
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{
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++templinelen;
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++tempindex;
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}
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char temp[templinelen + 1];
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strncpy(temp, words + (index - linelen), templinelen);
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temp[templinelen] = '\0';
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size_t width = strcol(temp);
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if (width >= line_length)
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{
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words[index] = '\n';
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linelen = 0;
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}
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}
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if (words[index] == '\t')
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linelen += 8 - (linelen % 8);
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else if (words[index] != '\n')
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++linelen;
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++index;
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}
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wrapped = words;
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return wrapped;
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}
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// Output char array as table
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int table(const size_t rows, const size_t columns, char ***array, const tableoptions &aoptions)
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{
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if (array == NULL)
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return 1;
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const bool headerrow = aoptions.headerrow;
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const bool headercolumn = aoptions.headercolumn;
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const bool tableborder = aoptions.tableborder;
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const bool cellborder = aoptions.cellborder;
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const unsigned int padding = aoptions.padding;
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const char *const title = aoptions.title;
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const unsigned int style = aoptions.style;
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if (style >= (sizeof styles / sizeof styles[0]))
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return 1;
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int columnwidth[columns];
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for (unsigned int j = 0; j < columns; ++j)
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columnwidth[j] = 0;
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int width = 0;
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setlocale(LC_CTYPE, "");
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for (unsigned int j = 0; j < columns; ++j)
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{
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for (unsigned int i = 0; i < rows; ++i)
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{
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int cellwidth = strcol(array[i][j]);
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if (cellwidth > columnwidth[j])
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columnwidth[j] = cellwidth;
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}
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width += columnwidth[j];
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}
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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if (tableborder or cellborder or headerrow or headercolumn)
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width += (((2 * padding) + 1) * columns) + (tableborder ? 1 : -1);
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else
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width += (2 * padding) * columns;
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if (width > w.ws_col)
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{
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cerr << "The width of the table (" << width << ") is greater then the width of the terminal (" << w.ws_col << ").\n";
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return 1;
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}
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if (title != NULL and title[0] != '\0')
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cout << wrap(title, w.ws_col) << "\n";
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if (tableborder)
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{
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cout << styles[style][2];
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for (unsigned int j = 0; j < columns; ++j)
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{
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for (unsigned int k = 0; k < (2 * padding) + columnwidth[j]; ++k)
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cout << styles[style][0];
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if (j == (columns - 1))
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cout << styles[style][4] << "\n";
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else if (cellborder or headerrow or (j == 0 and headercolumn))
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cout << styles[style][3];
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else
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cout << styles[style][0];
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}
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}
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for (unsigned int i = 0; i < rows; ++i)
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{
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for (unsigned int j = 0; j < columns; ++j)
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{
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if ((j == 0 and tableborder) or (j > 0 and cellborder) or (i == 0 and j > 0 and headerrow) or (j == 1 and headercolumn))
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cout << styles[style][1];
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else if (tableborder or (i > 0 and j > 0 and headerrow) or (j > 1 and headercolumn))
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cout << " ";
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const int difference = columnwidth[j] - strcol(array[i][j]);
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if ((i == 0 and headerrow) or (j == 0 and headercolumn))
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{
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const int apadding = (difference / 2);
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for (unsigned int k = 0; k < padding + apadding; ++k)
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cout << " ";
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cout << "\e[1m" << array[i][j] << "\e[22m";
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for (unsigned int k = 0; k < padding + (difference - apadding); ++k)
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cout << " ";
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}
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else
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{
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for (unsigned int k = 0; k < padding; ++k)
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cout << " ";
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cout << aoptions.alignment << setw(difference + strlen(array[i][j])) << array[i][j];
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for (unsigned int k = 0; k < padding; ++k)
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cout << " ";
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}
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}
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if (tableborder)
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cout << styles[style][1];
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cout << "\n";
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if (tableborder)
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{
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if (i == (rows - 1))
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cout << styles[style][8];
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else if (cellborder or (i == 0 and headerrow) or headercolumn)
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cout << styles[style][5];
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}
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if ((i == (rows - 1) and tableborder) or (i < (rows - 1) and cellborder) or (i == 0 and headerrow) or (i < (rows - 1) and headercolumn))
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{
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for (unsigned int j = 0; j < columns; ++j)
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{
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if ((i == (rows - 1) and tableborder) or (i < (rows - 1) and cellborder) or (i == 0 and headerrow) or (i < (rows - 1) and j == 0 and headercolumn))
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for (unsigned int k = 0; k < (2 * padding) + columnwidth[j]; ++k)
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cout << styles[style][0];
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else if (i < (rows - 1) and headercolumn)
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for (unsigned int k = 0; k < (2 * padding) + columnwidth[j]; ++k)
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cout << " ";
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if (j == (columns - 1))
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{
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if (tableborder)
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{
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if (i == (rows - 1))
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cout << styles[style][10];
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else if (cellborder or (i == 0 and headerrow))
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cout << styles[style][7];
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else if (headercolumn)
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cout << styles[style][1];
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}
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cout << "\n";
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}
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else
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{
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if (i == (rows - 1) and tableborder)
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{
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if (cellborder or (j == 0 and headercolumn))
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cout << styles[style][9];
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else
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cout << styles[style][0];
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}
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else if ((i < (rows - 1) and cellborder) or ((i == 0 and headerrow) and (j == 0 and headercolumn)))
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cout << styles[style][6];
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else if (i == 0 and headerrow)
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cout << styles[style][9];
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else if (i < (rows - 1) and headercolumn)
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{
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if (j == 0)
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cout << styles[style][7];
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else
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cout << " ";
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}
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}
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}
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}
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}
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cout << endl;
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return 0;
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}
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// Convert array to char array and output as table
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template <typename T>
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int table(size_t rows, size_t columns, T **array, const char *const headerrow[], const char *const headercolumn[], const tableoptions &aoptions)
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{
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if (array == NULL)
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return 1;
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unsigned int i = 0;
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unsigned int j = 0;
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if (headerrow != NULL)
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++rows;
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if (headercolumn != NULL)
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++columns;
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char ***aarray;
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aarray = new char **[rows];
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for (unsigned int i = 0; i < rows; ++i)
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aarray[i] = new char *[columns];
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if (headerrow != NULL)
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{
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for (unsigned int j = 0; j < columns; ++j)
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{
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aarray[i][j] = new char[strlen(headerrow[j]) + 1];
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strcpy(aarray[i][j], headerrow[j]);
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}
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++i;
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}
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for (unsigned int ii = 0; i < rows; ++i)
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{
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if (headercolumn != NULL)
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{
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unsigned int ii = i;
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if (headerrow != NULL)
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--ii;
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aarray[i][j] = new char[strlen(headercolumn[ii]) + 1];
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strcpy(aarray[i][j], headercolumn[ii]);
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++j;
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}
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for (unsigned int jj = 0; j < columns; ++j)
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{
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ostringstream strm;
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if (aoptions.boolalpha)
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strm << boolalpha;
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strm << array[ii][jj];
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string str = strm.str();
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aarray[i][j] = new char[str.length() + 1];
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strcpy(aarray[i][j], str.c_str());
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++jj;
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}
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j = 0;
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++ii;
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}
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int code = table(rows, columns, aarray, aoptions);
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if (aarray != NULL)
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{
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for (unsigned int i = 0; i < rows; ++i)
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{
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for (unsigned int j = 0; j < columns; ++j)
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delete[] aarray[i][j];
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delete[] aarray[i];
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}
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delete[] aarray;
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}
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return code;
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}
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// Convert one or more functions to array and output as table
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template <typename T>
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int table(const long double xmin, const long double xmax, const long double xscl, const size_t numfunctions, T (*functions[])(T), const tableoptions &aoptions)
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{
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if (numfunctions == 0)
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return 1;
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if (xmin >= xmax)
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{
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cerr << "xmin must be less than xmax.\n";
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return 1;
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}
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if (xscl <= 0)
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{
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cerr << "xscl must be greater than zero.\n";
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return 1;
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}
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const size_t rows = ((xmax - xmin) * xscl) + 1;
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const size_t columns = numfunctions + 1;
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const char *const aheaderrow[] = {"x", "y"};
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// const char* const aheaderrow[] = {"", "x", "y"};
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const size_t length = (sizeof aheaderrow / sizeof aheaderrow[0]);
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char **headerrow = new char *[columns];
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for (unsigned int j = 0; j < columns; ++j)
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{
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if (j < (length - 1) or numfunctions == 1)
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{
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headerrow[j] = new char[strlen(aheaderrow[j]) + 1];
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strcpy(headerrow[j], aheaderrow[j]);
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}
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else
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{
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ostringstream strm;
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strm << aheaderrow[length - 1] << j - length + 2;
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string str = strm.str();
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headerrow[j] = new char[str.length() + 1];
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strcpy(headerrow[j], str.c_str());
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}
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}
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char **headercolumn = NULL;
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// headercolumn = new char *[rows + 1];
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// for (unsigned int i = 0; i < rows + 1; ++i)
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// {
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// ostringstream strm;
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// strm << i + 1;
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// string str = strm.str();
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// headercolumn[i] = new char[str.length() + 1];
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// strcpy(headercolumn[i], str.c_str());
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// }
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T **array;
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array = new T *[rows];
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for (unsigned int i = 0; i < rows; ++i)
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array[i] = new T[columns];
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for (unsigned int i = 0; i < rows; ++i)
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{
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array[i][0] = (i / xscl) + xmin;
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for (unsigned int j = 0; j < numfunctions; ++j)
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array[i][j + 1] = (functions[j])(array[i][0]);
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}
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int code = table(rows, columns, array, headerrow, headercolumn, aoptions);
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if (array != NULL)
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{
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for (unsigned int i = 0; i < rows; ++i)
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delete[] array[i];
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delete[] array;
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}
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if (headerrow != NULL)
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{
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for (unsigned int j = 0; j < columns; ++j)
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delete[] headerrow[j];
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delete[] headerrow;
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}
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// if (headercolumn != NULL)
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// {
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// for (unsigned int i = 0; i < rows + 1; ++i)
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// delete[] headercolumn[i];
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// delete[] headercolumn;
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// }
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return code;
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}
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// Convert single function to array and output as table
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template <typename T>
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int table(const long double xmin, const long double xmax, const long double xscl, T afunction(T), const tableoptions &aoptions)
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{
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T(*functions[])
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(T) = {afunction};
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return table(xmin, xmax, xscl, 1, functions, aoptions);
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}
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