// Craftsman : Babak Sheykhan // Began to craft @ May 12, 2018 2:35 PM // Completed @ May 13, 2018 7:55 PM #include #include using namespace std; #define C(N) char(N) /*-----------------------------*/ /* */ /* Background Visual Elements */ /* */ /*-----------------------------*/ #define NAME_1 C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), 'A', 'r', 'c', 'h', 'a', 'i', 'c' #define NAME_2 'P', 'l', 'o', 't', 't', 'e', 'r', C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219) #define X_SCALE(N, F) C(219), 'X', 's', 'c', 'a', 'l', 'e', ' ', N + '0', '.', F + '0', 'x', C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219) #define Y_SCALE(N, F) C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), 'Y', 's', 'c', 'a', 'l', 'e', ' ', N + '0', '.', F + '0', 'x', C(219) #define EDGE C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219), C(219) #define GRID_A_L C(219), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196) #define GRID_B_L C(219), C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ' #define X_AXIS_L C(219), C(216), C(205), C(205), C(205), C(216), C(205), C(205), C(205), C(216), C(205), C(205), C(205), C(216), C(205), C(205), C(205), C(216), C(205), C(205), C(205) #define X_AXIS_R C(205), C(205), C(205), '1', C(205), C(205), C(205), '2', C(205), C(205), C(205), '3', C(205), C(205), C(205), '4', C(205), C(205), C(205), '5', C(219) #define GRID_A_R C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(196), C(196), C(196), C(197), C(219) #define GRID_B_R ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), ' ', ' ', ' ', C(179), C(219) /*-----------------------------*/ /* */ /* Super-duper Archaic Plotter */ /* */ /*-----------------------------*/ void plotter(float (*f)(float), float xScale, float yScale) { // reset to default values if scales were out of bound xScale = (xScale >= 10.0f || xScale <= 0.0f) ? 1.0f : xScale; yScale = (yScale >= 10.0f || yScale <= 0.0f) ? 1.0f : yScale; int xScale_frac = static_cast((xScale - static_cast(xScale)) * 10.0f); int yScale_frac = static_cast((yScale - static_cast(yScale)) * 10.0f); const unsigned short xAxis = 43; const unsigned short yAxis = 35; char background[yAxis][xAxis] = { {EDGE, C(219), EDGE}, {NAME_1, ' ', NAME_2}, {EDGE, C(219), EDGE}, {X_SCALE(int(xScale), xScale_frac), C(219), Y_SCALE(int(yScale), yScale_frac)}, {EDGE, C(219), EDGE}, {GRID_A_L, '7', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '6', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '5', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '4', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '3', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '2', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, '1', GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {X_AXIS_L, C(206), X_AXIS_R}, // X-Axis {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {GRID_B_L, C(186), GRID_B_R}, {GRID_A_L, C(215), GRID_A_R}, {EDGE, C(219), EDGE} }; // Preparing the plot // Starting from -5 to 5 with 0.25 increment float x = -5.0f; for (int i = 1; i < (xAxis - 1); ++i) { float fx = (*f)(x * xScale) * yScale; float fraction = fx - static_cast(fx); // Rounding to the near 0.5 // // Is the fraction between [0.25 and 0.75]? // If yes, then take a floor of it and then add 0.5. Othrwise add 0.5 to it then take a floor. fx = (abs(fraction) < 0.75f && abs(fraction) > 0.25f ? floor(fx) + 0.5f : floor(fx + 0.5f)); // Starting from 7 to -7 with 0.5 increment float y = 7.0f; for (int j = 5; j < (yAxis - 1); ++j) { if (y == fx) background[j][i] = '*'; // walking pace on y-axis (up to down) y -= 0.5; } // Walking pace on the x-axis (left to right) x += 0.25; } // plot -> console for (int i = 0; i < yAxis; ++i) { for (int j = 0; j < xAxis; ++j) cout << background[i][j]; cout << endl; } cout << endl; } /*-----------------------------*/ /* */ /* Test Functions */ /* */ /*-----------------------------*/ float f1(float in) { float out = sin(in); return out; } float f2(float in) { float out = in * (in - 1.0f) * (in - 2.0f); return out; } float f3(float in) { float out = tan(in) + 1; return out; } float f4(float in) { float out = in * in; return out; } float f5(float in) { float out = 1 + in + sin(2 * in); return out; } /*-----------------------------*/ /* */ /* Client */ /* */ /*-----------------------------*/ int main() { plotter(f1, 0.75f, 2.0f); plotter(f2, 0.5f, 3.0f); //plotter(f3, 0.5f, 1.5f); //plotter(f4, 1.0f, 0.5f); //plotter(f5, 1.0f, 0.5f); }

Archaic plotter !