static double sexp_to_double (sexp x) {
if (sexp_flonump(x))
return sexp_flonum_value(x);
else if (sexp_fixnump(x))
return sexp_fixnum_to_double(x);
else if (sexp_bignump(x))
return sexp_bignum_to_double(x);
#if SEXP_USE_RATIOS
else if (sexp_ratiop(x))
return sexp_ratio_to_double(x);
#endif
else
return 0.0;
}
static void sexp_insert_timed (sexp ctx, sexp thread, sexp timeout) {
#if SEXP_USE_FLONUMS
double d;
#endif
sexp ls1=SEXP_NULL, ls2;
sexp_delete_list(ctx, SEXP_G_THREADS_PAUSED, thread);
ls2 = sexp_global(ctx, SEXP_G_THREADS_PAUSED);
if (sexp_realp(timeout))
gettimeofday(&sexp_context_timeval(thread), NULL);
if (sexp_fixnump(timeout)) {
sexp_context_timeval(thread).tv_sec += sexp_unbox_fixnum(timeout);
#if SEXP_USE_FLONUMS
} else if (sexp_flonump(timeout)) {
d = sexp_flonum_value(timeout);
sexp_context_timeval(thread).tv_sec += trunc(d);
sexp_context_timeval(thread).tv_usec += (d-trunc(d))*1000000;
if (sexp_context_timeval(thread).tv_usec > 1000000) {
sexp_context_timeval(thread).tv_sec += 1;
sexp_context_timeval(thread).tv_usec -= 1000000;
}
#endif
#if SEXP_USE_RATIOS
} else if (sexp_ratiop(timeout)) {
d = sexp_ratio_to_double(timeout);
sexp_context_timeval(thread).tv_sec += trunc(d);
sexp_context_timeval(thread).tv_usec += (d-trunc(d))*1000000;
if (sexp_context_timeval(thread).tv_usec > 1000000) {
sexp_context_timeval(thread).tv_sec += 1;
sexp_context_timeval(thread).tv_usec -= 1000000;
}
#endif
} else if (sexp_contextp(timeout)) {
sexp_context_timeval(thread).tv_sec = sexp_context_timeval(timeout).tv_sec;
sexp_context_timeval(thread).tv_usec = sexp_context_timeval(timeout).tv_usec;
} else {
sexp_context_timeval(thread).tv_sec = 0;
sexp_context_timeval(thread).tv_usec = 0;
}
if (sexp_realp(timeout) || sexp_contextp(timeout))
while (sexp_pairp(ls2)
&& sexp_context_before(sexp_car(ls2), sexp_context_timeval(thread)))
ls1=ls2, ls2=sexp_cdr(ls2);
else
while (sexp_pairp(ls2) && sexp_context_timeval(sexp_car(ls2)).tv_sec)
ls1=ls2, ls2=sexp_cdr(ls2);
if (ls1 == SEXP_NULL)
sexp_global(ctx, SEXP_G_THREADS_PAUSED) = sexp_cons(ctx, thread, ls2);
else
sexp_cdr(ls1) = sexp_cons(ctx, thread, ls2);
}
static sexp sexp_to_complex (sexp ctx, sexp x) {
#if SEXP_USE_RATIOS
sexp_gc_var1(tmp);
#endif
if (sexp_flonump(x) || sexp_fixnump(x) || sexp_bignump(x)) {
return sexp_make_complex(ctx, x, SEXP_ZERO);
#if SEXP_USE_RATIOS
} else if (sexp_ratiop(x)) {
sexp_gc_preserve1(ctx, tmp);
tmp = sexp_make_complex(ctx, SEXP_ZERO, SEXP_ZERO);
sexp_complex_real(tmp) = sexp_make_flonum(ctx, sexp_to_double(x));
sexp_gc_release1(ctx);
return tmp;
#endif
} else {
return x;
}
}
