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https://github.com/tdulcet/Table-and-Graph-Libs.git
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726 lines
18 KiB
C++
726 lines
18 KiB
C++
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// 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 <cmath>
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#include <limits>
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#include <cfloat>
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#include <iomanip>
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#include <cwchar>
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#include <clocale>
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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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const char *const colors[] = {"\e[39m", "\e[30m", "\e[31m", "\e[32m", "\e[33m", "\e[34m", "\e[35m", "\e[36m", "\e[37m", "\e[90m", "\e[91m", "\e[92m", "\e[93m", "\e[94m", "\e[95m", "\e[96m", "\e[97m"};
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const char *const dots[] = {"⠀", "⠁", "⠂", "⠃", "⠄", "⠅", "⠆", "⠇", "⠈", "⠉", "⠊", "⠋", "⠌", "⠍", "⠎", "⠏", "⠐", "⠑", "⠒", "⠓", "⠔", "⠕", "⠖", "⠗", "⠘", "⠙", "⠚", "⠛", "⠜", "⠝", "⠞", "⠟", "⠠", "⠡", "⠢", "⠣", "⠤", "⠥", "⠦", "⠧", "⠨", "⠩", "⠪", "⠫", "⠬", "⠭", "⠮", "⠯", "⠰", "⠱", "⠲", "⠳", "⠴", "⠵", "⠶", "⠷", "⠸", "⠹", "⠺", "⠻", "⠼", "⠽", "⠾", "⠿", "⡀", "⡁", "⡂", "⡃", "⡄", "⡅", "⡆", "⡇", "⡈", "⡉", "⡊", "⡋", "⡌", "⡍", "⡎", "⡏", "⡐", "⡑", "⡒", "⡓", "⡔", "⡕", "⡖", "⡗", "⡘", "⡙", "⡚", "⡛", "⡜", "⡝", "⡞", "⡟", "⡠", "⡡", "⡢", "⡣", "⡤", "⡥", "⡦", "⡧", "⡨", "⡩", "⡪", "⡫", "⡬", "⡭", "⡮", "⡯", "⡰", "⡱", "⡲", "⡳", "⡴", "⡵", "⡶", "⡷", "⡸", "⡹", "⡺", "⡻", "⡼", "⡽", "⡾", "⡿", "⢀", "⢁", "⢂", "⢃", "⢄", "⢅", "⢆", "⢇", "⢈", "⢉", "⢊", "⢋", "⢌", "⢍", "⢎", "⢏", "⢐", "⢑", "⢒", "⢓", "⢔", "⢕", "⢖", "⢗", "⢘", "⢙", "⢚", "⢛", "⢜", "⢝", "⢞", "⢟", "⢠", "⢡", "⢢", "⢣", "⢤", "⢥", "⢦", "⢧", "⢨", "⢩", "⢪", "⢫", "⢬", "⢭", "⢮", "⢯", "⢰", "⢱", "⢲", "⢳", "⢴", "⢵", "⢶", "⢷", "⢸", "⢹", "⢺", "⢻", "⢼", "⢽", "⢾", "⢿", "⣀", "⣁", "⣂", "⣃", "⣄", "⣅", "⣆", "⣇", "⣈", "⣉", "⣊", "⣋", "⣌", "⣍", "⣎", "⣏", "⣐", "⣑", "⣒", "⣓", "⣔", "⣕", "⣖", "⣗", "⣘", "⣙", "⣚", "⣛", "⣜", "⣝", "⣞", "⣟", "⣠", "⣡", "⣢", "⣣", "⣤", "⣥", "⣦", "⣧", "⣨", "⣩", "⣪", "⣫", "⣬", "⣭", "⣮", "⣯", "⣰", "⣱", "⣲", "⣳", "⣴", "⣵", "⣶", "⣷", "⣸", "⣹", "⣺", "⣻", "⣼", "⣽", "⣾", "⣿"};
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const int values[][4] = {{0x1, 0x2, 0x4, 0x40}, {0x8, 0x10, 0x20, 0x80}};
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const char *const fractions[] = {"¼", "½", "¾", "⅐", "⅑", "⅒", "⅓", "⅔", "⅕", "⅖", "⅗", "⅘", "⅙", "⅚", "⅛", "⅜", "⅝", "⅞"};
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const long double fractionvalues[] = {1.0L / 4.0L, 1.0L / 2.0L, 3.0L / 4.0L, 1.0L / 7.0L, 1.0L / 9.0L, 1.0L / 10.0L, 1.0L / 3.0L, 2.0L / 3.0L, 1.0L / 5.0L, 2.0L / 5.0L, 3.0L / 5.0L, 4.0L / 5.0L, 1.0L / 6.0L, 5.0L / 6.0L, 1.0L / 8.0L, 3.0L / 8.0L, 5.0L / 8.0L, 7.0L / 8.0L};
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struct graphoptions
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{
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bool border;
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bool axislabel;
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bool axisunitslabel;
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char *title;
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unsigned int style;
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unsigned int color;
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graphoptions(void);
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~graphoptions(void);
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};
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graphoptions::graphoptions(void)
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{
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border = true;
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axislabel = true;
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axisunitslabel = true;
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style = 2;
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color = 2;
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title = NULL;
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}
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graphoptions::~graphoptions(void)
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{
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}
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const graphoptions graphdefaultoptions;
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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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// Convert fractions and constants to Unicode characters
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size_t outputlabel(const long double label, ostringstream &strm)
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{
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bool output = false;
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long double intpart = 0;
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long double fractionpart = abs(modf(label, &intpart));
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for (unsigned int i = 0; i < (sizeof fractions / sizeof fractions[0]) and !output; ++i)
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{
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if (abs(fractionpart - fractionvalues[i]) < DBL_EPSILON)
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{
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if (intpart != 0)
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strm << intpart;
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strm << fractions[i];
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output = true;
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}
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}
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if (!output and fmod(label, M_PI) == 0)
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{
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const char symbol[] = "π";
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intpart = label / M_PI;
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if (intpart == -1)
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strm << "-";
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else if (intpart != 1)
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strm << intpart;
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strm << symbol;
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output = true;
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}
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else if (!output and fmod(label, M_E) == 0)
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{
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const char symbol[] = "e";
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intpart = label / M_E;
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if (intpart == -1)
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strm << "-";
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else if (intpart != 1)
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strm << intpart;
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strm << symbol;
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output = true;
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}
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if (!output)
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strm << label;
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size_t length = strcol(strm.str().c_str());
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return length;
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}
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// Output graph
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int graph(const size_t height, const size_t width, const long double xmin, const long double xmax, const long double ymin, const long double ymax, unsigned short **array, const graphoptions &aoptions)
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{
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if (array == NULL)
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return 1;
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const bool border = aoptions.border;
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const bool axislabel = aoptions.axislabel;
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const bool axisunitslabel = aoptions.axisunitslabel;
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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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if (height == 0)
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return 1;
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if (width == 0)
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return 1;
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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const int aheight = height / 4;
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const int awidth = width / 2;
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if (aheight > w.ws_row)
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{
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cerr << "The height of the graph (" << aheight << ") is greater then the height of the terminal (" << w.ws_row << ").\n";
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return 1;
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}
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if (awidth > w.ws_col)
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{
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cerr << "The width of the graph (" << awidth << ") 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 (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 (ymin >= ymax)
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{
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cerr << "ymin must be less than ymax.\n";
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return 1;
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}
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const long double xscl = width / (xmax - xmin);
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const long double yscl = height / (ymax - ymin);
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const long double xaxis = width - (xmax * xscl);
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const long double yaxis = ymax * yscl;
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const int divisor = 2 * 4 * ((width / 160.0) > 1 ? (width / 160) + 1 : 1);
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setlocale(LC_CTYPE, "");
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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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for (unsigned int i = 0; i < height; i += 4)
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{
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const bool ayaxis = (i <= yaxis and (i + 4) > yaxis);
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const bool yaxislabel = (i <= (yaxis + 4) and (i + 4) > (yaxis + 4));
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ostringstream ylabelstrm;
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size_t ylabellength = 0;
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if (border and axislabel and axisunitslabel)
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{
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bool output = false;
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long double label;
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int adivisor = divisor;
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if (i < yaxis)
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|
adivisor = -adivisor;
|
|||
|
|
|
|||
|
|
for (long double k = yaxis + adivisor; ((i < yaxis and k >= i) or (i > yaxis and k < (i + 4))) and (i >= 4 or !axislabel) and !output; k += adivisor)
|
|||
|
|
{
|
|||
|
|
if (i <= k and (i + 4) > k)
|
|||
|
|
{
|
|||
|
|
label = ymax - (k / yscl);
|
|||
|
|
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (output)
|
|||
|
|
{
|
|||
|
|
ylabellength = outputlabel(label, ylabelstrm);
|
|||
|
|
ylabellength *= 2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (unsigned int j = 0; j < width; j += 2)
|
|||
|
|
{
|
|||
|
|
const bool axaxis = (j <= xaxis and (j + 2) > xaxis);
|
|||
|
|
const bool xaxislabel = (j <= (xaxis - 2) and (j + 2) > (xaxis - 2));
|
|||
|
|
|
|||
|
|
bool output = false;
|
|||
|
|
|
|||
|
|
if (border)
|
|||
|
|
{
|
|||
|
|
if (axaxis and ayaxis)
|
|||
|
|
{
|
|||
|
|
cout << styles[style][6];
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
else if (axaxis)
|
|||
|
|
{
|
|||
|
|
if (axisunitslabel)
|
|||
|
|
{
|
|||
|
|
int adivisor = divisor;
|
|||
|
|
if (i < yaxis)
|
|||
|
|
adivisor = -adivisor;
|
|||
|
|
|
|||
|
|
for (long double k = yaxis + adivisor; ((i < yaxis and k >= i) or (i > yaxis and k < (i + 4))) and (i >= 4 or !axislabel) and !output; k += adivisor)
|
|||
|
|
{
|
|||
|
|
if (i <= k and (i + 4) > k)
|
|||
|
|
{
|
|||
|
|
cout << styles[style][7];
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!output)
|
|||
|
|
{
|
|||
|
|
if (i == 0)
|
|||
|
|
cout << styles[style][4];
|
|||
|
|
else if (i >= (height - 4))
|
|||
|
|
cout << styles[style][10];
|
|||
|
|
else
|
|||
|
|
cout << styles[style][1];
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (ayaxis)
|
|||
|
|
{
|
|||
|
|
if (axisunitslabel)
|
|||
|
|
{
|
|||
|
|
int adivisor = divisor;
|
|||
|
|
if (j < xaxis)
|
|||
|
|
adivisor = -adivisor;
|
|||
|
|
|
|||
|
|
for (long double k = xaxis + adivisor; ((j < xaxis and k >= j) or (j > xaxis and k < (j + 2))) and (j < (width - 4) or !axislabel) and !output; k += adivisor)
|
|||
|
|
{
|
|||
|
|
if (j <= k and (j + 2) > k)
|
|||
|
|
{
|
|||
|
|
cout << styles[style][3];
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!output)
|
|||
|
|
{
|
|||
|
|
if (j == 0)
|
|||
|
|
cout << styles[style][2];
|
|||
|
|
else if (j >= (width - 2))
|
|||
|
|
cout << styles[style][4];
|
|||
|
|
else
|
|||
|
|
cout << styles[style][0];
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (yaxislabel and xaxislabel and axisunitslabel)
|
|||
|
|
{
|
|||
|
|
cout << "0";
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
else if (j >= (width - 2) and yaxislabel and axislabel)
|
|||
|
|
{
|
|||
|
|
cout << "x";
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
else if (yaxislabel and axislabel and axisunitslabel)
|
|||
|
|
{
|
|||
|
|
long double label;
|
|||
|
|
int adivisor = divisor;
|
|||
|
|
if (j < xaxis)
|
|||
|
|
{
|
|||
|
|
adivisor = -adivisor;
|
|||
|
|
j += 2;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (long double k = xaxis + adivisor; ((j < xaxis and k >= j) or (j > xaxis and k < (j + 2))) and j < (width - 2) and !output; k += adivisor)
|
|||
|
|
{
|
|||
|
|
if (j <= k and (j + 2) > k)
|
|||
|
|
{
|
|||
|
|
label = (k / xscl) + xmin;
|
|||
|
|
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (adivisor < 0)
|
|||
|
|
j -= 2;
|
|||
|
|
|
|||
|
|
if (output)
|
|||
|
|
{
|
|||
|
|
output = false;
|
|||
|
|
|
|||
|
|
ostringstream strm;
|
|||
|
|
size_t length = outputlabel(label, strm);
|
|||
|
|
length *= 2;
|
|||
|
|
if ((j >= xaxis or (j + length) < (xaxis - 4)) and (j + length) < (width - 2))
|
|||
|
|
{
|
|||
|
|
cout << strm.str();
|
|||
|
|
|
|||
|
|
if (length > 2)
|
|||
|
|
j += length - 2;
|
|||
|
|
|
|||
|
|
if (adivisor < 0)
|
|||
|
|
output = true;
|
|||
|
|
else
|
|||
|
|
j += 2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else if (i == 0 and xaxislabel and axislabel)
|
|||
|
|
{
|
|||
|
|
cout << "y";
|
|||
|
|
output = true;
|
|||
|
|
}
|
|||
|
|
else if ((j <= (xaxis - ylabellength) and (j + 2) > (xaxis - ylabellength)) and axislabel and axisunitslabel)
|
|||
|
|
{
|
|||
|
|
cout << ylabelstrm.str();
|
|||
|
|
output = true;
|
|||
|
|
if (ylabellength > 2)
|
|||
|
|
j += ylabellength - 2;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!output)
|
|||
|
|
{
|
|||
|
|
unsigned int dot = 0;
|
|||
|
|
unsigned short color = 0;
|
|||
|
|
|
|||
|
|
for (int k = 0; k < 2 and (j + k) < width; ++k)
|
|||
|
|
{
|
|||
|
|
for (int l = 0; l < 4 and (i + l) < height; ++l)
|
|||
|
|
{
|
|||
|
|
dot += (array[j + k][i + l] ? 1 : 0) * values[k][l];
|
|||
|
|
if (color)
|
|||
|
|
{
|
|||
|
|
if (array[j + k][i + l] and color != array[j + k][i + l])
|
|||
|
|
color = 1;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
color = array[j + k][i + l];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (color)
|
|||
|
|
--color;
|
|||
|
|
|
|||
|
|
if (color)
|
|||
|
|
cout << colors[color];
|
|||
|
|
|
|||
|
|
cout << "\e[1m" << dots[dot] << "\e[22m";
|
|||
|
|
|
|||
|
|
if (color)
|
|||
|
|
cout << colors[0];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
cout << "\n";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
cout << endl;
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Convert array to graph and output
|
|||
|
|
template <typename T>
|
|||
|
|
int graph(size_t height, size_t width, long double xmin, long double xmax, long double ymin, long double ymax, const size_t rows, T **array, const graphoptions &aoptions)
|
|||
|
|
{
|
|||
|
|
if (rows == 0)
|
|||
|
|
return 1;
|
|||
|
|
|
|||
|
|
if (array == NULL)
|
|||
|
|
return 1;
|
|||
|
|
|
|||
|
|
const unsigned int color = aoptions.color;
|
|||
|
|
|
|||
|
|
if (color >= (sizeof colors / sizeof colors[0]))
|
|||
|
|
return 1;
|
|||
|
|
|
|||
|
|
struct winsize w;
|
|||
|
|
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
|
|||
|
|
|
|||
|
|
if (height == 0)
|
|||
|
|
height = w.ws_row * 4;
|
|||
|
|
|
|||
|
|
if (width == 0)
|
|||
|
|
width = w.ws_col * 2;
|
|||
|
|
|
|||
|
|
const int aheight = height / 4;
|
|||
|
|
const int awidth = width / 2;
|
|||
|
|
|
|||
|
|
if (aheight > w.ws_row)
|
|||
|
|
{
|
|||
|
|
cerr << "The height of the graph (" << aheight << ") is greater then the height of the terminal (" << w.ws_row << ").\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (awidth > w.ws_col)
|
|||
|
|
{
|
|||
|
|
cerr << "The width of the graph (" << awidth << ") is greater then the width of the terminal (" << w.ws_col << ").\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (xmin == 0 and xmax == 0)
|
|||
|
|
{
|
|||
|
|
xmin = numeric_limits<T>::max();
|
|||
|
|
xmax = numeric_limits<T>::min();
|
|||
|
|
|
|||
|
|
for (unsigned int i = 0; i < rows; ++i)
|
|||
|
|
{
|
|||
|
|
if (array[i][0] < xmin)
|
|||
|
|
xmin = array[i][0];
|
|||
|
|
|
|||
|
|
if (array[i][0] > xmax)
|
|||
|
|
xmax = array[i][0];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (ymin == 0 and ymax == 0)
|
|||
|
|
{
|
|||
|
|
ymin = numeric_limits<T>::max();
|
|||
|
|
ymax = numeric_limits<T>::min();
|
|||
|
|
|
|||
|
|
for (unsigned int i = 0; i < rows; ++i)
|
|||
|
|
{
|
|||
|
|
if (array[i][1] < ymin)
|
|||
|
|
ymin = array[i][1];
|
|||
|
|
|
|||
|
|
if (array[i][1] > ymax)
|
|||
|
|
ymax = array[i][1];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (xmin >= xmax)
|
|||
|
|
{
|
|||
|
|
cerr << "xmin must be less than xmax.\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (ymin >= ymax)
|
|||
|
|
{
|
|||
|
|
cerr << "ymin must be less than ymax.\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const long double xscl = width / (xmax - xmin);
|
|||
|
|
const long double yscl = height / (ymax - ymin);
|
|||
|
|
const long double xaxis = width - (xmax * xscl);
|
|||
|
|
const long double yaxis = ymax * yscl;
|
|||
|
|
|
|||
|
|
unsigned short **aarray;
|
|||
|
|
aarray = new unsigned short *[width];
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
aarray[i] = new unsigned short[height];
|
|||
|
|
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
for (unsigned int j = 0; j < height; ++j)
|
|||
|
|
aarray[i][j] = 0;
|
|||
|
|
|
|||
|
|
for (unsigned int i = 0; i < rows; ++i)
|
|||
|
|
{
|
|||
|
|
if (array[i][0] >= xmin and array[i][0] < xmax and array[i][1] >= ymin and array[i][1] < ymax)
|
|||
|
|
{
|
|||
|
|
const long long x = (array[i][0] * xscl) + xaxis;
|
|||
|
|
const long long y = (yaxis - (array[i][1] * yscl)) - 1;
|
|||
|
|
|
|||
|
|
aarray[x][y] = color + 1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int code = graph(height, width, xmin, xmax, ymin, ymax, aarray, aoptions);
|
|||
|
|
|
|||
|
|
if (aarray != NULL)
|
|||
|
|
{
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
delete[] aarray[i];
|
|||
|
|
|
|||
|
|
delete[] aarray;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return code;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Convert one or more functions to graph and output
|
|||
|
|
template <typename T>
|
|||
|
|
int graph(size_t height, size_t width, const long double xmin, const long double xmax, const long double ymin, const long double ymax, const size_t numfunctions, T (*functions[])(T), const graphoptions &aoptions)
|
|||
|
|
{
|
|||
|
|
const unsigned int color = aoptions.color;
|
|||
|
|
|
|||
|
|
if (color >= (sizeof colors / sizeof colors[0]))
|
|||
|
|
return 1;
|
|||
|
|
|
|||
|
|
if (numfunctions == 0)
|
|||
|
|
return 1;
|
|||
|
|
|
|||
|
|
struct winsize w;
|
|||
|
|
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
|
|||
|
|
|
|||
|
|
if (height == 0)
|
|||
|
|
height = w.ws_row * 4;
|
|||
|
|
|
|||
|
|
if (width == 0)
|
|||
|
|
width = w.ws_col * 2;
|
|||
|
|
|
|||
|
|
const int aheight = height / 4;
|
|||
|
|
const int awidth = width / 2;
|
|||
|
|
|
|||
|
|
if (aheight > w.ws_row)
|
|||
|
|
{
|
|||
|
|
cerr << "The height of the graph (" << aheight << ") is greater then the height of the terminal (" << w.ws_row << ").\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (awidth > w.ws_col)
|
|||
|
|
{
|
|||
|
|
cerr << "The width of the graph (" << awidth << ") is greater then the width of the terminal (" << w.ws_col << ").\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (xmin >= xmax)
|
|||
|
|
{
|
|||
|
|
cerr << "xmin must be less than xmax.\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (ymin >= ymax)
|
|||
|
|
{
|
|||
|
|
cerr << "ymin must be less than ymax.\n";
|
|||
|
|
return 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const size_t rows = width;
|
|||
|
|
|
|||
|
|
const long double xscl = width / (xmax - xmin);
|
|||
|
|
const long double yscl = height / (ymax - ymin);
|
|||
|
|
const long double xaxis = width - (xmax * xscl);
|
|||
|
|
const long double yaxis = ymax * yscl;
|
|||
|
|
|
|||
|
|
unsigned short **array;
|
|||
|
|
array = new unsigned short *[width];
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
array[i] = new unsigned short[height];
|
|||
|
|
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
for (unsigned int j = 0; j < height; ++j)
|
|||
|
|
array[i][j] = 0;
|
|||
|
|
|
|||
|
|
for (unsigned int j = 0; j < numfunctions; ++j)
|
|||
|
|
{
|
|||
|
|
unsigned short acolor = numfunctions == 1 ? color + 1 : (j % ((sizeof colors / sizeof colors[0]) - 2)) + 3;
|
|||
|
|
|
|||
|
|
for (long double i = 0; i < rows; i += 0.5)
|
|||
|
|
{
|
|||
|
|
T x = (i / xscl) + xmin;
|
|||
|
|
T y = (functions[j])(x);
|
|||
|
|
|
|||
|
|
if (x >= xmin and x < xmax and y >= ymin and y < ymax)
|
|||
|
|
{
|
|||
|
|
const long long ax = (x * xscl) + xaxis;
|
|||
|
|
const long long ay = (yaxis - (y * yscl)) - 1;
|
|||
|
|
|
|||
|
|
if (array[ax][ay])
|
|||
|
|
{
|
|||
|
|
if (array[ax][ay] != acolor)
|
|||
|
|
array[ax][ay] = 1;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
array[ax][ay] = acolor;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int code = graph(height, width, xmin, xmax, ymin, ymax, array, aoptions);
|
|||
|
|
|
|||
|
|
if (array != NULL)
|
|||
|
|
{
|
|||
|
|
for (unsigned int i = 0; i < width; ++i)
|
|||
|
|
delete[] array[i];
|
|||
|
|
|
|||
|
|
delete[] array;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return code;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Convert single function to function array and output
|
|||
|
|
template <typename T>
|
|||
|
|
int graph(size_t height, size_t width, const long double xmin, const long double xmax, const long double ymin, const long double ymax, T afunction(T), const graphoptions &aoptions)
|
|||
|
|
{
|
|||
|
|
T(*functions[])
|
|||
|
|
(T) = {afunction};
|
|||
|
|
|
|||
|
|
return graph(height, width, xmin, xmax, ymin, ymax, 1, functions, aoptions);
|
|||
|
|
}
|