LVAL xlc_log(void)
{
double arg1 = getflonum(xlgaflonum());
double result;
xllastarg();
result = xlog(arg1);
return cvflonum(result);
}
LVAL xlc_snd_set_latency(void)
{
double arg1 = getflonum(xlgaflonum());
double result;
xllastarg();
result = snd_set_latency(arg1);
return cvflonum(result);
}
/* xwrfloat - write a float to a file */
LVAL xwrfloat(void)
{
LVAL val, fptr;
union {
char b[8];
float f;
double d;
} v;
int n = 4;
int i;
int index = 3; /* where to start in array */
int incr = -1; /* how to step through array */
/* get the float and file pointer and optional byte count */
val = xlgaflonum();
fptr = (moreargs() ? xlgetfile() : getvalue(s_stdout));
if (moreargs()) {
LVAL count = typearg(fixp);
n = getfixnum(count);
if (n < 0) {
n = -n;
index = 0;
incr = 1;
}
if (n != 4 && n != 8) {
xlerror("must be 4 or 8 bytes", count);
}
}
xllastarg();
#ifdef XL_BIG_ENDIAN
/* flip the bytes */
index = n - 1 - index;
incr = -incr;
#endif
/* build output v.b */
if (n == 4) v.f = (float) getflonum(val);
else v.d = getflonum(val);
/* put bytes to the file */
for (i = 0; i < n; i++) {
xlputc(fptr, v.b[index]);
index += incr;
}
/* return the flonum */
return val;
}
