37 lines
No EOL
864 B
C
37 lines
No EOL
864 B
C
#include <stdio.h>
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#include <stdlib.h>
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#define N 8192
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#define FILE_A "matrix_A.bin"
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#define FILE_B "matrix_B.bin"
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void generate_and_save_matrix(const char *filename) {
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FILE *file = fopen(filename, "wb");
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if (!file) {
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perror("無法打開檔案");
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exit(EXIT_FAILURE);
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}
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double *row = (double *)malloc(N * sizeof(double));
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if (!row) {
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perror("記憶體配置失敗");
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exit(EXIT_FAILURE);
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}
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for (size_t i = 0; i < N; i++) {
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for (size_t j = 0; j < N; j++) {
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row[j] = (double)(rand() % 100) / 10.0;
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}
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fwrite(row, sizeof(double), N, file);
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}
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fclose(file);
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free(row);
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}
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int main() {
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generate_and_save_matrix(FILE_A);
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generate_and_save_matrix(FILE_B);
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printf("矩陣 A 和 B 已成功產生並存入 %s 和 %s\n", FILE_A, FILE_B);
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return 0;
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} |