static void print_detailed(const matstat_state_t *states, size_t nelem, unsigned int test_min, const stat_limits_t *limits)
{
if (LOG2_STATS) {
print_str(" interval count sum sum_sq min max mean variance\n");
for (unsigned int k = 0; k < nelem; ++k) {
char buf[20];
unsigned int num = (1 << k);
if (num >= TEST_NUM) {
break;
}
unsigned int start = num + test_min;
if (num == 1) {
/* special case, bitarithm_msb will return 0 for both 0 and 1 */
start = test_min;
}
print(buf, fmt_lpad(buf, fmt_u32_dec(buf, start), 4, ' '));
print_str(" - ");
print(buf, fmt_lpad(buf, fmt_u32_dec(buf, test_min + (num * 2) - 1), 4, ' '));
print_str(": ");
print_statistics(&states[k], limits);
}
print_str(" TOTAL ");
}
else {
print_str("interval count sum sum_sq min max mean variance\n");
for (unsigned int k = 0; k < nelem; ++k) {
char buf[10];
print(buf, fmt_lpad(buf, fmt_u32_dec(buf, k + test_min), 7, ' '));
print_str(": ");
print_statistics(&states[k], limits);
}
print_str(" TOTAL: ");
}
print_totals(states, nelem, limits);
}
int cord_common_add_qstring(coap_pkt_t *pkt)
{
/* extend the url with some query string options */
int res = gcoap_add_qstring(pkt, "ep", cord_common_ep);
if (res < 0) {
return res;
}
/* [optional] set the lifetime parameter */
#if CORD_LT
char lt[11];
lt[fmt_u32_dec(lt, CORD_LT)] = '\0';
res = gcoap_add_qstring(pkt, "lt", lt);
if (res < 0) {
return res;
}
#endif
/* [optional] set the domain parameter */
#ifdef CORD_D
res = gcoap_add_qstring(pkt, "d", CORD_D);
if (res < 0) {
return res;
}
#endif
return 0;
}
static void test_fmt_u32_dec(void)
{
char out[11] = "----------";
uint32_t val = 12345678;
uint8_t chars = 0;
chars = fmt_u32_dec(out, val);
TEST_ASSERT_EQUAL_INT(8, chars);
out[chars] = '\0';
TEST_ASSERT_EQUAL_STRING("12345678", (char *) out);
memset(out, '-', sizeof(out));
val = 1234567890;
chars = fmt_u32_dec(out, val);
TEST_ASSERT_EQUAL_INT(10, chars);
out[chars] = '\0';
TEST_ASSERT_EQUAL_STRING("1234567890", (char *) out);
}
static void test_fmt_u32_dec(void)
{
char out[9] = "--------";
uint32_t val = 12345678;
uint8_t chars = 0;
chars = fmt_u32_dec(out, val);
TEST_ASSERT_EQUAL_INT(8, chars);
out[chars] = '\0';
TEST_ASSERT_EQUAL_STRING("12345678", (char *) out);
}
static void print_statistics(const matstat_state_t *state, const stat_limits_t *limits)
{
if (state->count == 0) {
print_str("no samples\n");
return;
}
if (state->count == 1) {
print_str("single sample: ");
print_s32_dec((int32_t)state->sum);
print("\n", 1);
return;
}
int32_t mean = matstat_mean(state);
uint64_t variance = matstat_variance(state);
char buf[20];
print(buf, fmt_lpad(buf, fmt_u32_dec(buf, state->count), 8, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_s64_dec(buf, state->sum), 9, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_u64_dec(buf, state->sum_sq), 12, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_s32_dec(buf, state->min), 6, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_s32_dec(buf, state->max), 5, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_s32_dec(buf, mean), 5, ' '));
print(" ", 1);
print(buf, fmt_lpad(buf, fmt_u64_dec(buf, variance), 6, ' '));
if (limits) {
if ((mean < limits->mean_low) || (limits->mean_high < mean) ||
(variance < limits->variance_low) || (limits->variance_high < variance) ) {
/* mean or variance is outside the expected range, alert the user */
print_str(" <=== SIC!");
}
}
print("\n", 1);
}