fix type & cast

demo/demo.c

@@ -264,7 +264,7 @@ int main(void)
    // test mp_get_int
    printf("\n\nTesting: mp_get_int");
    for (i = 0; i < 1000; ++i) {
-      t = ((unsigned long) rand() * rand() + 1) & 0xFFFFFFFFuL;
+      t = (unsigned long)(rand() * rand() + 1) & 0xFFFFFFFFuL;
       mp_set_int(&a, t);
       if (t != mp_get_int(&a)) {
          printf("\nmp_get_int() bad result!");

demo/timing.c

@@ -34,14 +34,14 @@ static void draw(mp_int *a)
 
 static unsigned long lfsr = 0xAAAAAAAAuL;
 
-static int lbit(void)
+static unsigned int lbit(void)
 {
    if ((lfsr & 0x80000000uL) != 0uL) {
       lfsr = ((lfsr << 1) ^ 0x8000001BuL) & 0xFFFFFFFFuL;
-      return 1;
+      return 1u;
    } else {
       lfsr <<= 1;
-      return 0;
+      return 0u;
    }
 }
 

etc/2kprime.c

@@ -7,7 +7,8 @@ static int sizes[] = {256, 512, 768, 1024, 1536, 2048, 3072, 4096};
 int main(void)
 {
    char buf[2000];
-   int x, y;
+   size_t x;
+   int y;
    mp_int q, p;
    FILE *out;
    clock_t t1;
@@ -17,7 +18,7 @@ int main(void)
 
    out = fopen("2kprime.1", "w");
    if (out != NULL) {
-      for (x = 0; x < (int)(sizeof(sizes) / sizeof(sizes[0])); x++) {
+      for (x = 0; x < (sizeof(sizes) / sizeof(sizes[0])); x++) {
 top:
          mp_2expt(&q, sizes[x]);
          mp_add_d(&q, 3uL, &q);

etc/mersenne.c

@@ -21,7 +21,7 @@ static int is_mersenne(long s, int *pp)
    }
 
    /* n = 2^s - 1 */
-   if ((res = mp_2expt(&n, s)) != MP_OKAY) {
+   if ((res = mp_2expt(&n, (int)s)) != MP_OKAY) {
       goto LBL_MU;
    }
    if ((res = mp_sub_d(&n, 1uL, &n)) != MP_OKAY) {

etc/mont.c

@@ -6,14 +6,14 @@ int main(void)
 {
    mp_int modulus, R, p, pp;
    mp_digit mp;
-   long x, y;
+   int x, y;
 
    srand(time(NULL));
    mp_init_multi(&modulus, &R, &p, &pp, NULL);
 
    /* loop through various sizes */
    for (x = 4; x < 256; x++) {
-      printf("DIGITS == %3ld...", x);
+      printf("DIGITS == %3d...", x);
       fflush(stdout);
 
       /* make up the odd modulus */