1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>
/* r = place to store result
* f = function call to test (or any expression)
* x = expected result
* m = message to print on failure (with formats for r & x)
**/
#define TEST(r, f, x, m) ( \
msg = #f, ((r) = (f)) == (x) || \
(printf(__FILE__ ":%d: %s failed (" m ")\n", __LINE__, #f, r, x, r-x), err++, 0) )
#define TEST2(r, f, x, m) ( \
((r) = (f)) == (x) || \
(printf(__FILE__ ":%d: %s failed (" m ")\n", __LINE__, msg, r, x), err++, 0) )
int test_strtod(void)
{
int i;
double d, d2;
char buf[1000];
char *msg="";
int err=0;
char *s, *c;
for (i=0; i<100; i++) {
d = sin(i);
snprintf(buf, sizeof buf, "%.300f", d);
TEST(d2, strtod(buf, 0), d, "round trip fail %a != %a (%a)");
}
TEST(d, strtod("0x1p4", 0), 16.0, "hex float %a != %a");
TEST(d, strtod("0x1.1p4", 0), 17.0, "hex float %a != %a");
return err;
}
|