forked from KolibriOS/kolibrios
Graph (branch: tcc_current):
- Code refactoring - Optimization of code (for example, log2(n) searching) and memory usage - Some possible memory corruption fixed - Previous graph will be erased from window if error occured - Fixed bug with provided array of non-sorted points: so now you can pass points in any order - Fixed important bug with graphic rendering (big thanks to turbocat for asm rounding function) - Changed error messages; now you can see line/byte of file where syntax error is; added checking if provided frame of graph is invalid - Autochoosing of an optimal single step for both axises - Added support for reading any number of different functions. You will have to end previous function with ';' if you want to pass another one. They will be rendered on a graph in order you passed them. git-svn-id: svn://kolibrios.org@9778 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
vitalkrilov
parent
c5ebb23061
commit
d02111da4f
@ -1,4 +1,5 @@
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#include "func.h"
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#include <math.h> // For fabs()
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char debuf[50] = "";
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@ -61,3 +62,7 @@ double convert(const char* s, int* len) {
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if (len) *len=i;
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return sign*res;
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}
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int isequal(double a, double b) {
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return fabs(a-b) < EQUALITY_VAL;
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}
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@ -13,8 +13,15 @@ typedef struct {
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double textwidth(const char* s, int len);
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double textheight(const char* s, int len);
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typedef double (*function_t)(double);
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int isalpha(char c);
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double convert(const char* s, int* len);
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static inline
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int roundi(double a) {
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return round(a);
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}
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#define EQUALITY_VAL 0.000001
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int isequal(double a, double b);
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#endif /* FUNC_H */
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@ -4,12 +4,12 @@
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#include <sys/ksys.h>
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#include <clayer/boxlib.h>
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#include <conio.h>
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#include <math.h>
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#include "func.h"
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#include "parser.h"
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#define nullptr 0
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#define dword unsigned int
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enum BUTTONS {
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BTN_QUIT = 1,
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@ -18,9 +18,12 @@ enum BUTTONS {
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const char STR_PROGRAM_TITLENAME[] = "Graph";
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const char empty_text[] = "No function loaded. Type file name and press Enter. ";
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const char er_file_not_found[] = "Cannot open file. ";
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const char er_file_not_found[] = "Couldn't open file.";
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const char er_wrong_syntax[] = "Syntax error in file: at line %d, at byte %d.";
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const char er_invalid_graph_size[] = "Invalid graph size (look at passed x1,x2,y1,y2 graph's border coords).";
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const char str_filename[] = "Filename:";
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const char str_editfile[] = "Edit";
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const char f_str[] = ". Function y=";
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const char STR_ERR_CONSOLEINIT[] = "Unable to initialize console.";
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const char STR_MSG_HELP_USAGE[] = "Usage: %s [OPTION] [FILENAME]...\n";
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const char* STR_MSG_HELP[] = {
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@ -55,26 +58,39 @@ const char* STR_MSG_HELP[] = {
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#define FORMAT "%.2f%c"
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// format for two coords
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#define FORMAT_COORD "(%.2f, %.2f)%c"
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// special value to text if enough space
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#define FORMAT_TEST "0.00"
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#define DELTA_BIG 1.0
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#define DELTA_SMALL 0.1
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int SysColor = 0;
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double grx1, gry1, grx2, gry2;
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#define FUNCTS_MAXLEN_INITIAL 1
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void** functs; // Array of addresses, first byte of struct always should describe its type
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unsigned int functs_maxlen = 0;
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unsigned int functs_count = 0;
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#define FUNCTS_PTYPE 0
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#define PFUNCT_POINTS_MAXLEN_INITIAL 16
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typedef struct {
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char type;
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double* points;
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dword point_count = 0;
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double x1, y1, x2, y2;
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char* funct = nullptr;
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unsigned int points_maxlen;
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unsigned int points_count;
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} PFunct;
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#define FUNCTS_ETYPE 1
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typedef struct {
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char type;
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char* expr;
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} EFunct;
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char edit_path[256];
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edit_box mybox = { 200, 92, WND_H-16-32, 0xffffff, 0x94AECE, 0, 0x808080, 0x10000000,
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sizeof(edit_path)-1, (void*)&edit_path, 0, 0, 0 };
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int full_head_size;
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char* full_head;
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char* HugeBuf = nullptr;
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char* lasterror_text = nullptr;
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int lasterror_color;
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// constructor of TCoord
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TCoord coord(double x, double y) {
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@ -101,65 +117,74 @@ TCoord mat2Graf(TCoord c, TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax
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return r;
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}
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//just for rounding...
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void DrawLine(double xs, double ys, double xe, double ye, ksys_color_t color) {
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_ksys_draw_line(roundi(xs), roundi(ys), roundi(xe), roundi(ye), color);
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}
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void DrawText(const char* text, double x, double y, uint32_t len, ksys_color_t color) {
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_ksys_draw_text(text, roundi(x), roundi(y), len, color);
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}
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double delta_getoptsize(int n) {
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return pow(2, n % 3) * pow(10, n / 3);
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}
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//Returns res: delta_getoptsize(res) <= size < delta_getoptsize(res+1)
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int delta_getn(double size) {
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int res = floor(log10(size) * 3);
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double t = delta_getoptsize(res + 1);
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if (t < size || isequal(t, size)) ++res;
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return res;
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}
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// huge function to draw all the stuff except the function itself
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void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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TCoord cZero={0.0,0.0},
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gMin, gMax, gZero, step;
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TCoord cZero = {0.0,0.0}, gMin, gMax, gZero, step;
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TCoord from, to;
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double i = 0.0;
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int j;
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double xmin, xmin2, ymin, ymin2;
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char buf[30]="";
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int strlentemp;
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double deltaBigX = delta_getoptsize(delta_getn(mMax.x - mMin.x)) / 20;
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double deltaBigY = delta_getoptsize(delta_getn(mMax.y - mMin.y)) / 20;
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double deltaSmallX = deltaBigX / 5;
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double deltaSmallY = deltaBigY / 5;
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// scr means Screen(bounding rect)
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// m means Mathematical
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// g means Graphic(real screen position)
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//_ksys_debug_puts("draw axis called\n");
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//sprintf(debuf, "test: %f,%f,%f,%f\n", 123.45, 1.0, -0.9, 12.57);
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//_ksys_debug_puts(debuf);
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gMin = mat2Graf(mMin, scrMin, scrMax, mMin, mMax);
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gMax = mat2Graf(mMax, scrMin, scrMax, mMin, mMax);
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gZero = mat2Graf(cZero, scrMin, scrMax, mMin, mMax);
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// clear
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// SysColor = WHITE;
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//rectangle(di(gMin.x), di(gMin.y), di(gMax.x), di(gMax.y));
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// ftopku
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SysColor = BLACK;
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// osy X
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_ksys_draw_line(gMin.x, gZero.y ,gMax.x, gZero.y, SysColor);
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// osy Y
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_ksys_draw_line(gZero.x, gMin.y, gZero.x, gMax.y, SysColor);
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// bounding rect
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_ksys_draw_line(gMin.x, gMin.y, gMax.x, gMin.y, SysColor);
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_ksys_draw_line(gMin.x, gMax.y, gMax.x, gMax.y, SysColor);
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_ksys_draw_line(gMin.x, gMin.y, gMin.x, gMax.y, SysColor);
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_ksys_draw_line(gMax.x, gMin.y, gMax.x, gMax.y, SysColor);
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DrawLine(gMin.x, gZero.y ,gMax.x, gZero.y, SysColor); // osy X
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DrawLine(gZero.x, gMin.y, gZero.x, gMax.y, SysColor); // osy Y
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// bounding rect
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DrawLine(gMin.x, gMin.y, gMax.x, gMin.y, SysColor);
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DrawLine(gMin.x, gMax.y, gMax.x, gMax.y, SysColor);
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DrawLine(gMin.x, gMin.y, gMin.x, gMax.y, SysColor);
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DrawLine(gMax.x, gMin.y, gMax.x, gMax.y, SysColor);
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// coords of the rect : lower left
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sprintf(buf, FORMAT_COORD, x1, y1, '\0');
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sprintf(buf, FORMAT_COORD, grx1, gry1, '\0');
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//_ksys_debug_puts(buf);
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strlentemp = strlen(buf);
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_ksys_draw_text(buf, gMin.x, gMin.y + textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, gMin.x, gMin.y + textheight(buf, strlentemp), strlentemp, SysColor);
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// upper left
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sprintf(buf, FORMAT_COORD, x1, y2, '\0');
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sprintf(buf, FORMAT_COORD, grx1, gry2, '\0');
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strlentemp = strlen(buf);
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_ksys_draw_text(buf, gMin.x, gMax.y - textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, gMin.x, gMax.y - textheight(buf, strlentemp), strlentemp, SysColor);
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// lower right
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sprintf(buf, FORMAT_COORD, x2, y1, '\0');
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sprintf(buf, FORMAT_COORD, grx2, gry1, '\0');
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strlentemp = strlen(buf);
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_ksys_draw_text(buf, gMax.x - textwidth(buf, strlentemp), gMin.y + textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, gMax.x - textwidth(buf, strlentemp), gMin.y + textheight(buf, strlentemp), strlentemp, SysColor);
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// upper right
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sprintf(buf, FORMAT_COORD, x2, y2, '\0');
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sprintf(buf, FORMAT_COORD, grx2, gry2, '\0');
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strlentemp = strlen(buf);
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_ksys_draw_text(buf, gMax.x - textwidth(buf, strlentemp), gMax.y - textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, gMax.x - textwidth(buf, strlentemp), gMax.y - textheight(buf, strlentemp), strlentemp, SysColor);
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//_ksys_debug_puts("some lines painted\n");
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@ -167,13 +192,13 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x);
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step.y = (mMax.y - mMin.y) / (scrMax.y - scrMin.y);
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// round values
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xmin = (int)((mMin.x / DELTA_BIG) * DELTA_BIG);
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ymin = (int)((mMin.y / DELTA_BIG) * DELTA_BIG);
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//roundi values
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double xmin = round(mMin.x / deltaBigX) * deltaBigX;
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double ymin = round(mMin.y / deltaBigY) * deltaBigY;
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// (0,0)
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if ((x1 * x2 <= 0.0) && (y1 * y2 <= 0.0))
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if ((grx1 * grx2 <= 0.0) && (gry1 * gry2 <= 0.0))
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{
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from.x=0.0;
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from.y=0.0;
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@ -181,14 +206,14 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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SysColor = BLACK;
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sprintf(buf, FORMAT, 0.0, '\0');
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strlentemp = strlen(buf);
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_ksys_draw_text(buf, from.x - textwidth(buf, strlentemp), from.y + textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, from.x - textwidth(buf, strlentemp), from.y + textheight(buf, strlentemp), strlentemp, SysColor);
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}
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// big marks on X
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//settextstyle(0, 0, 1);
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if (DELTA_BIG / step.x > THREE) {
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for (i = xmin; i <= mMax.x; i += DELTA_BIG) {
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if (deltaBigX / step.x > THREE) {
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for (i = xmin; i <= mMax.x; i += deltaBigX) {
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if (i != 0.0) {
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from.x = i;
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to.x = from.x;
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@ -197,23 +222,22 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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SysColor = BLACK;
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_ksys_draw_line(from.x, from.y, to.x, to.y, SysColor);
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DrawLine(from.x, from.y, to.x, to.y, SysColor);
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// write number
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sprintf(buf, FORMAT, i, '\0');
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strlentemp = strlen(buf);
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// if it fits in the GAP, then write it
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if (from.y > scrMin.y && (DELTA_BIG > (textwidth(buf, strlentemp) + 1.0) * step.x)) {
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if (from.y > scrMin.y && (deltaBigX > (textwidth(buf, strlentemp) + 1.0) * step.x)) {
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SysColor = BIGFONTCOLOR;
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_ksys_draw_text(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor);
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}
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}
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}
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}
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//_ksys_debug_puts("big marks x painted\n");
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// big marks on Y
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if (DELTA_BIG / step.y > THREE) {
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for (i = ymin; i <= mMax.y; i += DELTA_BIG) {
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if (deltaBigY / step.y > THREE) {
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for (i = ymin; i <= mMax.y; i += deltaBigY) {
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if (i != 0.0) {
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from.y = i;
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to.y = from.y;
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@ -222,23 +246,23 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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SysColor = BLACK;
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_ksys_draw_line(from.x, from.y, to.x, to.y, SysColor);
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DrawLine(from.x, from.y, to.x, to.y, SysColor);
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sprintf(buf, FORMAT, i, '\0');
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strlentemp = strlen(buf);
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if (from.x > scrMin.x && (DELTA_BIG > textheight(buf, strlentemp) * step.y)) {
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if (from.x > scrMin.x && (deltaBigY > textheight(buf, strlentemp) * step.y)) {
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SysColor = BIGFONTCOLOR;
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_ksys_draw_text(buf, from.x + TEXT_X, to.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor);
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DrawText(buf, from.x + TEXT_X, to.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor);
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}
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}
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}
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}
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xmin2 = (int)(mMin.x / DELTA_SMALL) * DELTA_SMALL;
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ymin2 = (int)(mMin.y / DELTA_SMALL) * DELTA_SMALL;
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double xmin2 = round(mMin.x / deltaSmallX) * deltaSmallX;
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double ymin2 = round(mMin.y / deltaSmallY) * deltaSmallY;
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if (DELTA_SMALL / step.x > THREE) {
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j = (int)(( - xmin + xmin2 ) / DELTA_SMALL);
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for (i = xmin2; i <= mMax.x; i += DELTA_SMALL, j++) {
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if (deltaSmallX / step.x > THREE) {
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int j = roundi((-xmin + xmin2) / deltaSmallX);
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for (i = xmin2; i <= mMax.x; i += deltaSmallX, j++) {
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if (j % 10 == 0) {
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// we need to skip every tenth mark, to avoid overwriting big marks
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j = 0;
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@ -251,12 +275,12 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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SysColor = BLACK;
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_ksys_draw_line(from.x, from.y, to.x, to.y, SysColor);
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DrawLine(from.x, from.y, to.x, to.y, SysColor);
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sprintf(buf, FORMAT, i, '\0');
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strlentemp = strlen(buf);
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if (from.y > scrMin.y && (DELTA_SMALL > textwidth(buf, strlentemp) * step.x)) {
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if (from.y > scrMin.y && (deltaSmallX > textwidth(buf, strlentemp) * step.x)) {
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SysColor = SMALLFONTCOLOR;
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_ksys_draw_text(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor);
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DrawText(buf, from.x - textwidth(buf, strlentemp) / 2.0, to.y - textheight(buf, strlentemp), strlentemp, SysColor);
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}
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@ -265,10 +289,10 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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}
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// finally small marks on Y
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if (DELTA_SMALL / step.y > THREE) {
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if (deltaSmallY / step.y > THREE) {
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//_ksys_debug_puts("really small marks y painted\n");
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j = (int)(( - ymin + ymin2) / DELTA_SMALL);
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for (i = ymin2; i <= mMax.y; i += DELTA_SMALL, j++) {
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int j = roundi((-ymin + ymin2) / deltaSmallY);
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for (i = ymin2; i <= mMax.y; i += deltaSmallY, j++) {
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if (j % 10 == 0) {
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// we need to skip every tenth, to avoid overwriting
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j = 0;
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@ -281,198 +305,318 @@ void drawAxis(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax) {
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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SysColor = BLACK;
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_ksys_draw_line(from.x, from.y, to.x, to.y, SysColor);
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DrawLine(from.x, from.y, to.x, to.y, SysColor);
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sprintf(buf, FORMAT, i, '\0');
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strlentemp = strlen(buf);
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if (from.x > scrMin.x && (DELTA_SMALL > textheight(buf, strlentemp) * step.y)) {
|
||||
if (from.x > scrMin.x && (deltaSmallY > textheight(buf, strlentemp) * step.y)) {
|
||||
SysColor = SMALLFONTCOLOR;
|
||||
_ksys_draw_text(buf, from.x + TEXT_X, from.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor);
|
||||
DrawText(buf, from.x + TEXT_X, from.y - textheight(buf, strlentemp) / 2.0, strlentemp, SysColor);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
ends fucking piece of shit
|
||||
*/
|
||||
// returns idx: a[idx] <= x element; -1 can be returned
|
||||
int binsearchRB_xInPoints(double* a, int a_size, double x) {
|
||||
int L = -1;
|
||||
int R = a_size;
|
||||
while (R - L > 1) {
|
||||
int M = (R + L) / 2;
|
||||
if (a[2*M] <= x) // 2*M because in points array there are 2 coords: x and y
|
||||
L = M;
|
||||
else
|
||||
R = M;
|
||||
}
|
||||
return L;
|
||||
}
|
||||
|
||||
void drawFunction( function_t fi, TCoord scrMin, TCoord scrMax,
|
||||
TCoord mMin, TCoord mMax, int color) {
|
||||
double x;
|
||||
double y;
|
||||
int firstPoint = 1;
|
||||
TCoord p, p0 = {0.0, 0.0}, step;
|
||||
int calcFunct_idx;
|
||||
|
||||
drawAxis(scrMin, scrMax, mMin, mMax);
|
||||
int calcFunct(double x, double* res) {
|
||||
if (*(char*)functs[calcFunct_idx] == FUNCTS_ETYPE) {
|
||||
set_exp(((EFunct*)functs[calcFunct_idx])->expr, x);
|
||||
get_exp(res); // ïàðñèòü äëÿ êàæäîãî çíà÷åíèÿ õ? äà ÿ ñ óìà ñîøåë.
|
||||
return 0;
|
||||
}
|
||||
|
||||
PFunct* pf = functs[calcFunct_idx];
|
||||
|
||||
if (x <= pf->points[0]) {
|
||||
return 1; // Or it better return something??
|
||||
//*res = pf->points[1];
|
||||
}
|
||||
if (x >= pf->points[(pf->points_count - 1) * 2]) {
|
||||
return 1; // Or it better return something??
|
||||
//*res = pf->points[(pf->points_count - 1) * 2 + 1];
|
||||
}
|
||||
|
||||
int i = binsearchRB_xInPoints(pf->points, pf->points_count, x);
|
||||
*res = (x - pf->points[2 * i]) / (pf->points[2 * (i + 1)] - pf->points[2 * i])
|
||||
* (pf->points[2 * (i + 1) + 1] - pf->points[2 * i + 1]) + pf->points[2 * i + 1];
|
||||
return 0;
|
||||
}
|
||||
|
||||
void drawFunction(TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax, int color) {
|
||||
SysColor = color;
|
||||
TCoord p, p0 = {0.0, 0.0}, step;
|
||||
step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x);
|
||||
|
||||
for (x = mMin.x; x < mMax.x; x += step.x) {
|
||||
y = fi(x);
|
||||
// function is defined here and gets in the range
|
||||
if (1) { // òóò áûëî óñëîâèå, ÷òî ôóíêöèÿ ïðàâèëüíî âû÷èñëåíà
|
||||
if ((y > mMin.y) && (y < mMax.y)) {
|
||||
int firstPoint = 1;
|
||||
double y;
|
||||
for (double x = mMin.x; x < mMax.x; x += step.x) { // function is defined here and gets in the range
|
||||
if (!calcFunct(x, &y)) { // óñëîâèå, ÷òî ôóíêöèÿ ïðàâèëüíî âû÷èñëåíà
|
||||
if (y > mMin.y && y < mMax.y) {
|
||||
p = mat2Graf(coord(x, y), scrMin, scrMax, mMin, mMax);
|
||||
// if it's our first point, only remember its coords
|
||||
// otherwise, draw a line from prev to current
|
||||
if (firstPoint == 0) {
|
||||
_ksys_draw_line(p0.x, p0.y, p.x, p.y, SysColor);
|
||||
DrawLine(p0.x, p0.y, p.x, p.y, SysColor);
|
||||
} else firstPoint = 0;
|
||||
p0 = p;
|
||||
}
|
||||
else {// too big/small
|
||||
} else {// too big/small
|
||||
firstPoint = 1;
|
||||
}
|
||||
}
|
||||
else { // no value
|
||||
} else { // no value
|
||||
firstPoint = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int pointsCompare(const void* a, const void* b) {
|
||||
const double aval = *(const double*)a; // first element of a
|
||||
const double bval = *(const double*)b; // first element of b
|
||||
if (isequal(aval, bval)) return 0;
|
||||
if (aval < bval) return -1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
void freeMemoryForGraphs() {
|
||||
if (functs_count) {
|
||||
for (int i = 0; i < functs_count; ++i) {
|
||||
switch (*(char*)functs[i]) {
|
||||
case FUNCTS_PTYPE:
|
||||
free(((PFunct*)functs[i])->points);
|
||||
break;
|
||||
case FUNCTS_ETYPE:
|
||||
free(((EFunct*)functs[i])->expr);
|
||||
break;
|
||||
}
|
||||
free(functs[i]);
|
||||
}
|
||||
free(functs);
|
||||
functs = nullptr;
|
||||
functs_maxlen = 0;
|
||||
functs_count = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void functsSizeChecker() {
|
||||
if (functs_maxlen <= functs_count + 1) {
|
||||
if (!functs_maxlen) {
|
||||
functs_maxlen = FUNCTS_MAXLEN_INITIAL;
|
||||
functs = (void**)malloc(sizeof(void*) * functs_maxlen);
|
||||
} else {
|
||||
functs_maxlen *= 2;
|
||||
functs = (void**)realloc(functs, sizeof(void*) * functs_maxlen);
|
||||
}
|
||||
if (!functs) exit(3);
|
||||
}
|
||||
}
|
||||
|
||||
// èòîãîâàÿ âåðñèÿ ÷èòàëêè òåêñòîâûõ ôàéëîâ
|
||||
// NOTICE for devs: full_head must be resetted after fail of this function (on 0 ret. code)
|
||||
int load_points3() {
|
||||
ksys_bdfe_t bdfe;
|
||||
int filePointer = 0;
|
||||
|
||||
int i,j,k;
|
||||
double d;
|
||||
dword filesize, num_number;
|
||||
|
||||
double* p2=0;
|
||||
freeMemoryForGraphs();
|
||||
|
||||
// get file size
|
||||
ksys_bdfe_t bdfe;
|
||||
int rr = _ksys_file_get_info(edit_path, &bdfe);
|
||||
sprintf(debuf, "getsize: %d\n", rr);
|
||||
_ksys_debug_puts(debuf);
|
||||
if (rr != 0) {
|
||||
_ksys_draw_text((char*)er_file_not_found, 10, 10, strlen(er_file_not_found), 0x90FF0000);
|
||||
if (rr) {
|
||||
if (lasterror_text) free(lasterror_text);
|
||||
lasterror_text = (char*)malloc(sizeof(er_file_not_found));
|
||||
if (!lasterror_text) exit(3);
|
||||
strcpy(lasterror_text, er_file_not_found);
|
||||
lasterror_color = 0x90000000;
|
||||
return 0;
|
||||
}
|
||||
unsigned int filesize = bdfe.size;
|
||||
|
||||
filesize = bdfe.size;
|
||||
num_number = filesize / 2;
|
||||
char* HugeBuf = (char*)malloc(filesize + 1); // ðàçáèðàåì êàê ñòðîêó, îòñþäà òåðìèíàòîð '\0'
|
||||
if (!HugeBuf) exit(3);
|
||||
unsigned int countRead;
|
||||
rr = _ksys_file_read_file(edit_path, 0, filesize, HugeBuf, &countRead);
|
||||
if (countRead != filesize) exit(4); // in case if something corrupted
|
||||
HugeBuf[filesize] = '\0';
|
||||
|
||||
HugeBuf = (char*)malloc(filesize + 1); // ðàçáèðàåì êàê ñòðîêó, îòñþäà òåðìèíàòîð \0
|
||||
|
||||
for (i=0;i<filesize+1;i++)
|
||||
HugeBuf[i] = 0;
|
||||
|
||||
rr = _ksys_file_read_file(edit_path, 0, filesize, HugeBuf, nullptr);
|
||||
sprintf(debuf, "read3: %d\n", rr);
|
||||
_ksys_debug_puts(debuf);
|
||||
|
||||
strcpy(full_head, STR_PROGRAM_TITLENAME);
|
||||
strcpy(full_head+strlen(full_head), " - ");
|
||||
strcpy(full_head+strlen(full_head), edit_path); // bad code
|
||||
|
||||
// à òåïåðü ðàçîáðàòüñÿ â ýòîì
|
||||
|
||||
i=0;
|
||||
k=0;
|
||||
int lineNum = 1;
|
||||
int lineStartIdx = 0;
|
||||
int borderNextCoord = 0;
|
||||
int funct_status = 0; // 0 - empty, 1 - points (can be filled), 2 - expr. (definitely finished)
|
||||
int i = 0;
|
||||
while (i < filesize) {
|
||||
|
||||
while (isalpha(HugeBuf[i]) && i<filesize) i++;
|
||||
if (i == filesize) break;
|
||||
if (k==4 && HugeBuf[i] == '=') {
|
||||
//sprintf(debuf,"function: %S",HugeBuf + i);
|
||||
//_ksys_debug_puts(debuf);
|
||||
// we have a function here
|
||||
//HugeBuf[0] = ' ';
|
||||
funct = HugeBuf + i + 1;
|
||||
strcpy(full_head+strlen(full_head), ". Function y=");
|
||||
strcpy(full_head+strlen(full_head), funct);
|
||||
return 1;
|
||||
if (isalpha(HugeBuf[i])) {
|
||||
if (HugeBuf[i] == '\n') {
|
||||
++lineNum;
|
||||
lineStartIdx = i + 1;
|
||||
}
|
||||
++i;
|
||||
continue;
|
||||
}
|
||||
|
||||
d = convert(HugeBuf+i, &j);
|
||||
if (HugeBuf[i] == ';') {
|
||||
if (funct_status) {
|
||||
++functs_count;
|
||||
funct_status = 0;
|
||||
}
|
||||
++i;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (borderNextCoord == 4 && HugeBuf[i] == '=' && !funct_status) {
|
||||
functsSizeChecker();
|
||||
funct_status = 2;
|
||||
functs[functs_count] = malloc(sizeof(EFunct));
|
||||
if (!functs[functs_count]) exit(3);
|
||||
*(char*)functs[functs_count] = FUNCTS_ETYPE;
|
||||
|
||||
EFunct* ef = functs[functs_count];
|
||||
int efunct_len;
|
||||
for (efunct_len = 0; HugeBuf[i + 1 + efunct_len] != ';' && HugeBuf[i + 1 + efunct_len] != '\0'; ++efunct_len) {}
|
||||
ef->expr = (char*)malloc(efunct_len+1);
|
||||
if (!ef->expr) exit(3);
|
||||
strncpy(ef->expr, HugeBuf + i + 1, efunct_len);
|
||||
ef->expr[efunct_len] = '\0';
|
||||
i += efunct_len + 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
int j;
|
||||
double d = convert(HugeBuf + i, &j);
|
||||
if (d == ERROR) {
|
||||
sprintf(debuf, "Error in input file, byte %d, count %d\n", i, k);
|
||||
_ksys_debug_puts(debuf);
|
||||
_ksys_draw_text((char*)debuf, 10, 10, strlen(debuf), 0x000000);
|
||||
sprintf(debuf, er_wrong_syntax, lineNum, i-lineStartIdx+1);
|
||||
if (lasterror_text) free(lasterror_text);
|
||||
lasterror_text = (char*)malloc(strlen(debuf)+1);
|
||||
if (!lasterror_text) exit(3);
|
||||
strcpy(lasterror_text, debuf);
|
||||
lasterror_color = 0x90FF0000;
|
||||
free(HugeBuf);
|
||||
freeMemoryForGraphs();
|
||||
return 0;
|
||||
}
|
||||
if (d == ERROR_END) {
|
||||
_ksys_debug_puts("EOF :)!\n");
|
||||
_ksys_debug_puts("[");
|
||||
_ksys_debug_puts(STR_PROGRAM_TITLENAME);
|
||||
_ksys_debug_puts("] EOF reached.\n");
|
||||
break;
|
||||
}
|
||||
|
||||
i += j;
|
||||
switch (k) {
|
||||
|
||||
if (borderNextCoord < 4) {
|
||||
switch (borderNextCoord) {
|
||||
case 0:
|
||||
x1=d;
|
||||
grx1 = d;
|
||||
break;
|
||||
case 1:
|
||||
x2=d;
|
||||
grx2 = d;
|
||||
break;
|
||||
case 2:
|
||||
y1=d;
|
||||
gry1 = d;
|
||||
break;
|
||||
case 3:
|
||||
y2=d;
|
||||
break;
|
||||
default: {
|
||||
if (p2 == NULL)
|
||||
p2 = (double*)malloc(num_number * 8);
|
||||
p2[k-4]=d;
|
||||
}
|
||||
}
|
||||
k++;
|
||||
}
|
||||
// sprintf(debuf, "(%f,%f)-(%f,%f)",x1,y1,x2,y2);
|
||||
// _ksys_debug_puts(debuf);
|
||||
point_count=(k - 4)/2;
|
||||
|
||||
//
|
||||
points = (double*)malloc(point_count * 2 * 8);
|
||||
for (i = 0; i < point_count * 2; i++)
|
||||
points[i] = p2[i];
|
||||
free(p2);
|
||||
// sprintf(debuf, "count: %d\n", point_count);
|
||||
// _ksys_debug_puts(debuf);
|
||||
sprintf(debuf, ". Number of points: %u.", point_count);
|
||||
strcpy(full_head+strlen(full_head), debuf);
|
||||
gry2 = d;
|
||||
if (grx1 > grx2 || isequal(grx1, grx2) || gry1 > gry2 || isequal(gry1, gry2)) {
|
||||
if (lasterror_text) free(lasterror_text);
|
||||
lasterror_text = (char*)malloc(sizeof(er_invalid_graph_size));
|
||||
if (!lasterror_text) exit(3);
|
||||
strcpy(lasterror_text, er_invalid_graph_size);
|
||||
lasterror_color = 0x90FF0000;
|
||||
free(HugeBuf);
|
||||
HugeBuf = NULL;
|
||||
return 0;
|
||||
}
|
||||
break;
|
||||
}
|
||||
++borderNextCoord;
|
||||
} else {
|
||||
if (!funct_status) {
|
||||
functsSizeChecker();
|
||||
funct_status = 1;
|
||||
functs[functs_count] = malloc(sizeof(PFunct));
|
||||
if (!functs[functs_count]) exit(3);
|
||||
*(char*)functs[functs_count] = FUNCTS_PTYPE;
|
||||
((PFunct*)functs[functs_count])->points = nullptr;
|
||||
((PFunct*)functs[functs_count])->points_maxlen = 0;
|
||||
((PFunct*)functs[functs_count])->points_count = 0;
|
||||
}
|
||||
|
||||
PFunct* pf = functs[functs_count];
|
||||
if (pf->points_maxlen <= pf->points_count + 1) {
|
||||
if (!pf->points_maxlen) {
|
||||
pf->points_maxlen = PFUNCT_POINTS_MAXLEN_INITIAL;
|
||||
pf->points = (double*)malloc(sizeof(double) * pf->points_maxlen);
|
||||
} else {
|
||||
pf->points_maxlen *= 2;
|
||||
pf->points = (double*)realloc(pf->points, sizeof(double) * pf->points_maxlen);
|
||||
}
|
||||
if (!pf->points) exit(3);
|
||||
}
|
||||
pf->points[pf->points_count++] = d;
|
||||
}
|
||||
}
|
||||
free(HugeBuf);
|
||||
if (funct_status) ++functs_count;
|
||||
|
||||
for (int f_idx = 0; f_idx < functs_count; ++f_idx) {
|
||||
if (*(char*)functs[f_idx] != FUNCTS_PTYPE) continue;
|
||||
PFunct* pf = functs[f_idx];
|
||||
pf->points_count /= 2;
|
||||
qsort(pf->points, pf->points_count, sizeof(double)*2, pointsCompare);
|
||||
}
|
||||
|
||||
int full_head_new_size = sizeof(STR_PROGRAM_TITLENAME)-1 + 3 + strlen(edit_path) + 1; // 3 = strlen(" - ")
|
||||
if (functs_count == 1) {
|
||||
if (*(char*)functs[0] == FUNCTS_PTYPE) {
|
||||
sprintf(debuf, ". Number of points: %u.", ((PFunct*)functs[0])->points_count);
|
||||
full_head_new_size += strlen(debuf);
|
||||
} else
|
||||
full_head_new_size += sizeof(f_str)-1 + strlen(((EFunct*)functs[0])->expr);
|
||||
} else {
|
||||
sprintf(debuf, ". Functions loaded: %u.", functs_count);
|
||||
full_head_new_size += strlen(debuf);
|
||||
}
|
||||
|
||||
if (full_head_new_size > full_head_size) {
|
||||
free(full_head);
|
||||
full_head_size = full_head_new_size;
|
||||
full_head = (char*)malloc(full_head_size);
|
||||
if (!full_head) exit(3);
|
||||
}
|
||||
char* full_head_addr = full_head;
|
||||
strcpy(full_head_addr, STR_PROGRAM_TITLENAME);
|
||||
full_head_addr += sizeof(STR_PROGRAM_TITLENAME)-1;
|
||||
strcpy(full_head_addr, " - ");
|
||||
full_head_addr += 3; // 3 = strlen(" - ")
|
||||
strcpy(full_head_addr, edit_path);
|
||||
full_head_addr += strlen(edit_path);
|
||||
if (functs_count == 1) {
|
||||
if (*(char*)functs[0] == FUNCTS_PTYPE)
|
||||
strcpy(full_head_addr, debuf);
|
||||
else {
|
||||
strcpy(full_head_addr, f_str);
|
||||
full_head_addr += sizeof(f_str)-1;
|
||||
strcpy(full_head_addr, ((EFunct*)functs[0])->expr);
|
||||
}
|
||||
} else {
|
||||
strcpy(full_head_addr, debuf);
|
||||
}
|
||||
|
||||
if (lasterror_text) {
|
||||
free(lasterror_text);
|
||||
lasterror_text = nullptr;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
// âû÷èñëèòü çàäàííóþ ôóíêöèþ èëè êóñî÷íî-ëèíåéíóþ ìåæäó òî÷êàìè
|
||||
double fu(double x) {
|
||||
int i;
|
||||
double res;
|
||||
|
||||
if (funct) {
|
||||
set_exp(funct,x);
|
||||
get_exp(&res); // ïàðñèòü äëÿ êàæäîãî çíà÷åíèÿ õ? äà ÿ ñ óìà ñîøåë.
|
||||
return res;
|
||||
}
|
||||
|
||||
if (point_count == 0) {
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
if (x <= points[0])
|
||||
return points[1];
|
||||
if (x >= points[(point_count-1) * 2])
|
||||
return points[(point_count-1) * 2 + 1];
|
||||
|
||||
for (i = 0; i < point_count; i++) {
|
||||
if ((x >= points[2 * i]) && (x < points[2 * (i + 1)]))
|
||||
break;
|
||||
}
|
||||
|
||||
return (x - points[2 * i]) / (points[2 * (i + 1)] - points[2 * i])
|
||||
* (points[2 * (i + 1) + 1] - points[2 * i + 1]) + points[2 * i + 1];
|
||||
|
||||
}
|
||||
|
||||
void draw_window(void) {
|
||||
double xx0=0.0, yy0=0.0;
|
||||
|
||||
void draw_window() {
|
||||
_ksys_start_draw();
|
||||
_ksys_create_window(100, 80, WND_W, WND_H, full_head, 0xFFFFFF, 0x33);
|
||||
_ksys_end_draw();
|
||||
@ -487,10 +631,16 @@ void draw_window(void) {
|
||||
|
||||
if (info.window_state & 0x04) return; //draw nothing if window is rolled-up
|
||||
|
||||
if (point_count == 0 && funct == NULL) {
|
||||
_ksys_draw_text((char *)empty_text, (cWidth - 8 * strlen(empty_text))/2,cHeight/2-25, strlen(empty_text), 0x90000000);
|
||||
if (!functs_count) {
|
||||
_ksys_draw_text(empty_text, (cWidth - 8 * strlen(empty_text)) / 2, cHeight / 2 - 25, sizeof(empty_text)-1, 0x90000000);
|
||||
} else {
|
||||
drawFunction(&fu, coord(10, 20), coord(cWidth - 20, cHeight - 70), coord(x1,y1), coord(x2,y2), 0x00ff0000);
|
||||
TCoord scrMin = coord(10, 20),
|
||||
scrMax = coord(cWidth - 20, cHeight - 70),
|
||||
mMin = coord(grx1, gry1),
|
||||
mMax = coord(grx2, gry2);
|
||||
drawAxis(scrMin, scrMax, mMin, mMax);
|
||||
for (calcFunct_idx = 0; calcFunct_idx < functs_count; ++calcFunct_idx)
|
||||
drawFunction(scrMin, scrMax, mMin, mMax, 0x00ff0000);
|
||||
}
|
||||
|
||||
_ksys_draw_text((char*)str_filename, 15, mybox.top + 4, strlen(str_filename), 0x90000000);
|
||||
@ -499,6 +649,11 @@ void draw_window(void) {
|
||||
|
||||
_ksys_define_button(cWidth - 70, mybox.top, 50, 21, BTN_EDIT, 0xc0c0c0);
|
||||
_ksys_draw_text((char*)str_editfile, cWidth - 60, mybox.top + 4, 0, 0x90000000);
|
||||
|
||||
if (lasterror_text) {
|
||||
_ksys_draw_bar(10, 10, 200, 20, 0xFFFFFF); // ôîí äëÿ ñîîáùåíèé îá îøèáêàõ
|
||||
_ksys_draw_text(lasterror_text, 10, 10, strlen(lasterror_text), lasterror_color);
|
||||
}
|
||||
}
|
||||
|
||||
void consoleInit() {
|
||||
@ -518,7 +673,9 @@ void consoleExit() {
|
||||
}
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
full_head = (char*)malloc(300);
|
||||
full_head_size = sizeof(STR_PROGRAM_TITLENAME); // also with '\0'
|
||||
full_head = (char*)malloc(full_head_size);
|
||||
if (!full_head) return 3;
|
||||
strcpy(full_head, STR_PROGRAM_TITLENAME);
|
||||
|
||||
if (argc == 2) {
|
||||
@ -530,8 +687,8 @@ int main(int argc, char** argv) {
|
||||
return 0;
|
||||
} else {
|
||||
strcpy(edit_path, argv[1]);
|
||||
if (load_points3())
|
||||
draw_window();
|
||||
mybox.size = mybox.pos = strlen(edit_path);
|
||||
load_points3();
|
||||
}
|
||||
} else if (argc > 2) {
|
||||
consoleInit();
|
||||
@ -552,25 +709,12 @@ int main(int argc, char** argv) {
|
||||
case KSYS_EVENT_KEY: {
|
||||
ksys_oskey_t kc = _ksys_get_key();
|
||||
switch (kc.code) {
|
||||
case 0x0D:
|
||||
if (HugeBuf) {
|
||||
//sprintf(debuf, "freemem: HugeBuf = %X", HugeBuf);
|
||||
//_ksys_debug_puts(debuf);
|
||||
free(HugeBuf); // ÷òî çà áàã - ïîíÿòü íå ìîãó.
|
||||
HugeBuf = nullptr;
|
||||
funct = nullptr;
|
||||
}
|
||||
if (points) {
|
||||
//sprintf(debuf, "freemem: points = %X", points);
|
||||
//_ksys_debug_puts(debuf);
|
||||
free(points); // è òóò. íó íå îáðàùàþñü ÿ ê ýòîìó óêàçàòåëþ, òîëüêî ïàìÿòü â íåãî, ïîòîì ñíîâà âûäåëÿþ
|
||||
points = nullptr;
|
||||
}
|
||||
point_count = 0;
|
||||
_ksys_draw_bar(10, 10, 200, 20, 0xFFFFFF); // ôîí äëÿ ñîîáùåíèé îá îøèáêàõ
|
||||
if (load_points3())
|
||||
case 0x0D: {
|
||||
int res = load_points3();
|
||||
if (!res) strcpy(full_head, STR_PROGRAM_TITLENAME);
|
||||
draw_window();
|
||||
break;
|
||||
}
|
||||
default:
|
||||
edit_box_key_safe(&mybox, kc);
|
||||
}
|
||||
|
||||
@ -1,6 +1,8 @@
|
||||
#include <math.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <sys/ksys.h>
|
||||
|
||||
#include "func.h"
|
||||
#include "parser.h"
|
||||
|
||||
@ -15,7 +17,7 @@
|
||||
|
||||
// error codes
|
||||
#define ERR_BADFUNCTION -1
|
||||
#define ERR_BADNUMER -2
|
||||
#define ERR_BADNUMBER -2
|
||||
#define ERR_GENERAL -3
|
||||
#define ERR_NOBRACKET -4
|
||||
#define ERR_BADVARIABLE -5
|
||||
@ -84,11 +86,11 @@ double cosec(double d) {
|
||||
}
|
||||
|
||||
double log2_p(double d) {
|
||||
return log(d) / log(2);
|
||||
return log2(d);
|
||||
}
|
||||
|
||||
double log10_p(double d) {
|
||||
return log(d) / log(10);
|
||||
return log10(d);
|
||||
}
|
||||
|
||||
double log3(double d) {
|
||||
@ -167,6 +169,23 @@ int iswhite(char c) {
|
||||
}
|
||||
|
||||
void serror(int code) {
|
||||
/*switch (code) {
|
||||
case ERR_BADFUNCTION:
|
||||
_ksys_debug_puts("ERR_BADFUNCTION\n");
|
||||
break;
|
||||
case ERR_BADNUMBER:
|
||||
_ksys_debug_puts("ERR_BADNUMBER\n");
|
||||
break;
|
||||
case ERR_NOBRACKET:
|
||||
_ksys_debug_puts("ERR_NOBRACKET\n");
|
||||
break;
|
||||
case ERR_BADVARIABLE:
|
||||
_ksys_debug_puts("ERR_BADVARIABLE\n");
|
||||
break;
|
||||
case ERR_OVERFLOW:
|
||||
_ksys_debug_puts("ERR_OVERFLOW\n");
|
||||
break;
|
||||
}*/
|
||||
//TODO (vitalkrilov): for what?: "::code = code;"
|
||||
// longjmp(j, code);
|
||||
}
|
||||
@ -339,7 +358,7 @@ void primitive(double* hold) {
|
||||
//if (sscanf(token, "%lf", hold) != 1)
|
||||
*hold = convert(token, nullptr);
|
||||
if (*hold == ERROR)
|
||||
serror( ERR_BADNUMER);
|
||||
serror( ERR_BADNUMBER);
|
||||
get_token();
|
||||
return;
|
||||
case FUNCTION:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user