blob: 9065cd036eebf22f1dc880b8ea289e915ac32c57 (
plain)
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
|
# define TGSOURCE "cosh.c"
#include <math.h>
#include "_tgmath.h"
#include "errno.h"
/** hyperbolic cosine **/
TYPE TGFN(cosh)(TYPE x)
{
if (0) {
errno = ERANGE; /* The magnitude of ARGUMENT(x) is too large */
/* RETURN_FAILURE(CONSTANT(HUGE_VAL), A range error occurred); */
return TGHUGE;
}
/* RETURN_SUCCESS(the hyperbolic cosine of ARGUMENT(x)); */
return x;
}
/***
compute the hyperbolic cosine of ARGUMENT(x).
***/
/*
IMPLEMENTATION(The value returned on a domain error, CONSTANT(HUGE_VAL))
LINK(m)
*/
/*
STDC(1)
*/
|
