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Починил, понял, что неверно работает функция

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AZEN-SGG 2024-12-21 01:05:32 +03:00
parent 610ed3990a
commit c14c8ef9c2
4 changed files with 64 additions and 70 deletions
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101
ComputationalGeometry/6Ex/tools.c
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@ -1,5 +1,36 @@
#include "tools.h"
points getPoints(void) {
int fileOrRandom;
printf("0 - if points from file\n1 - if random generation of points\nYour choice: ");
if (scanf("%d", &fileOrRandom) < 1) {
printf("Enter error!\n");
return (points){NULL, 0};
}
if (fileOrRandom == 0) {
return getPointsFromFile();
} else if (fileOrRandom == 1) {
return getRandomPoints();
} else {
printf("Wrong enter!\n");
return (points){NULL, 0};
}
}
points getPointsFromFile(void) {
FILE * file = getFile();
points pts = (points){NULL, 0};
if (file == NULL) return (points){NULL, 0};
pts = getFilePoints(file);
fclose(file);
return pts;
}
FILE * getFile(void) {
char filename[50];
@ -18,7 +49,7 @@ FILE * getFile(void) {
}
}
points * getFilePoints(FILE * file) {
points getFilePoints(FILE * file) {
int i, size = 2;
point * array = NULL;
point p;
@ -26,7 +57,7 @@ points * getFilePoints(FILE * file) {
if (fscanf(file, "%lf", &current) != 1) {
printf("File is empty!\n");
return NULL;
return (points){NULL, 0};
}
array = (point *)malloc(size * sizeof(point));
@ -36,7 +67,7 @@ points * getFilePoints(FILE * file) {
if (++i / 2 >= size) {
size *= 2;
array = (point *)realloc(array, size * sizeof(point));
if (array == NULL) return NULL;
if (array == NULL) return (points){NULL, 0};
}
if (i % 2 == 1) {
@ -48,72 +79,40 @@ points * getFilePoints(FILE * file) {
if (i == 0) {
printf("Array is empty!\n");
free(array);
return NULL
return (points){NULL, 0};
}
return &(points){array, (i + 1) / 2};
return (points){array, (i + 1) / 2};
}
points * GetPointsFromFile(void) {
FILE * file = getFile();
points * pts = NULL;
if (file == NULL) return NULL;
getFilePoints(file)
fclose(file);
return pts;
}
points * getRandomPoints(void) {
points * pts = &(points){.array=NULL, .length=0};
points getRandomPoints(void) {
points pts = (points){.array=NULL, .length=0};
int length;
printf("Enter the number of points: ");
if (scanf("%d", &length) < 1) return NULL;
pts->length = length;
if (scanf("%d", &length) < 1) return pts;
pts.length = length;
pts->array = (point *)malloc(length * sizeof(point));
if (pts->array == NULL) return NULL;
pts.array = (point *)malloc(length * sizeof(point));
if (pts.array == NULL) return pts;
generate(pts);
generatePoints(&pts);
return pts
return pts;
}
points * getPoints(void) {
int fileOrRandom;
void generatePoints(points * pts) {
srand(time(NULL));
printf("0 - if points from file\n1 - if random generation of points\nYour choice: ");
if (scanf("%d", &fileOrRandom) < 1) {
printf("Wrong enter!\n");
return NULL;
}
if (fileOrRandom == 0) {
return getPointsFromFile();
} else (fileOrRandom == 1) {
return getRandomPoints();
} else {
printf("Wrong enter!\n");
return NULL;
for (int i = 0; i < pts->length; i++) {
(pts->array[i]).x = (rand() % (2*MAX_RAND_COORD + 1) - MAX_RAND_COORD) * RAND_MULTIPLIER;
(pts->array[i]).y = (rand() % (2*MAX_RAND_COORD + 1) - MAX_RAND_COORD) * RAND_MULTIPLIER;
}
}
void printPoints(points pts) {
for (int i = 0; i < ((MAX_PRINT_POINTS < pts.length) ? MAX_PRINT_POINTS : pts.length); ++i) {
printf("%c = (%.4lf, %.4lf)\n", i + ASCII_FIRST_LETTER, pts.array[i].x, pts.array[i].y);
}
}
void generate(points * pts)
{
srand(time(NULL));
for (int i = 0; pts->length; i++)
{
(pts->array[i]).x = (rand() % (2*MAX_RAND_COORD + 1) - MAX_RAND_COORD) * RAND_MULTIPLIER;
(pts->array[i]).y = (rand() % (2*MAX_RAND_COORD + 1) - MAX_RAND_COORD) * RAND_MULTIPLIER;
}
}