main.c:78:25: erreur: assignment from incompatible pointer type [-Werror]
main.c:81:9: erreur: passing argument 2 of ‘matrix_multiply’ from incompatible pointer type [-Werror]
main.c:6:11: note: expected ‘struct matrix_t *’ but argument is of type ‘struct matrix_t *’
第6行是matrix_multiply函数
这是我的代码,从第 74 行开始
matrix_t *m;
matrix_t *first = matrix_reader_next(reader);
matrix_t *previous = first;
while ( (m = matrix_reader_next(reader))) {
previous->next = m;
previous = m;
}
matrix_t *result = matrix_multiply(first,first->next);
这是我的函数原型和结构
typedef struct {
int **M;
int nLi;
int nCo;
struct matrix_t *next;
} matrix_t;
matrix_t* matrix_multiply(matrix_t* first, matrix_t*second);
matrix_t* matrix_reader_next(matrix_reader_t *r);
我真的不明白这些错误信息。请帮我 :)
你的类型定义应该是
typedef struct matrix_t {
int **M;
int nLi;
int nCo;
struct matrix_t *next;
} matrix_t;
否则,类型matrix_t
指的是完整但未命名的结构类型,而struct matrix_t
指的是您从未定义的不同的、已命名但不完整的结构类型。
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