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(scm_make_shared_array): Use it instead of scm_aind; use handle

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for oldra.
This commit is contained in:
Marius Vollmer 2005-01-10 01:41:35 +00:00
parent d3ddc95ef1
commit 112ba0ac28
1 changed files with 16 additions and 29 deletions
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45
libguile/unif.c
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@ -853,23 +853,27 @@ SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1,
"@end lisp")
#define FUNC_NAME s_scm_make_shared_array
{
scm_t_array_handle old_handle;
SCM ra;
SCM inds, indptr;
SCM imap;
size_t k, i;
size_t k;
ssize_t i;
long old_min, new_min, old_max, new_max;
scm_t_array_dim *s;
SCM_VALIDATE_REST_ARGUMENT (dims);
SCM_VALIDATE_ARRAY (1, oldra);
SCM_VALIDATE_PROC (2, mapfunc);
ra = scm_shap2ra (dims, FUNC_NAME);
scm_array_get_handle (oldra, &old_handle);
if (SCM_ARRAYP (oldra))
{
SCM_ARRAY_V (ra) = SCM_ARRAY_V (oldra);
old_min = old_max = SCM_ARRAY_BASE (oldra);
s = SCM_ARRAY_DIMS (oldra);
k = SCM_ARRAY_NDIM (oldra);
s = scm_array_handle_dims (&old_handle);
k = scm_array_handle_rank (&old_handle);
while (k--)
{
if (s[k].inc > 0)
@ -884,6 +888,7 @@ SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1,
old_min = 0;
old_max = scm_c_generalized_vector_length (oldra) - 1;
}
inds = SCM_EOL;
s = SCM_ARRAY_DIMS (ra);
for (k = 0; k < SCM_ARRAY_NDIM (ra); k++)
@ -895,22 +900,13 @@ SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1,
ra = make_typed_vector (scm_array_type (ra), 0);
else
SCM_ARRAY_V (ra) = make_typed_vector (scm_array_type (ra), 0);
scm_array_handle_release (&old_handle);
return ra;
}
}
imap = scm_apply_0 (mapfunc, scm_reverse (inds));
if (SCM_ARRAYP (oldra))
i = (size_t) scm_aind (oldra, imap, FUNC_NAME);
else
{
if (!scm_is_integer (imap))
{
if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap)))
SCM_MISC_ERROR (s_bad_ind, SCM_EOL);
imap = SCM_CAR (imap);
}
i = scm_to_size_t (imap);
}
i = indices_to_pos (&old_handle, imap);
SCM_ARRAY_BASE (ra) = new_min = new_max = i;
indptr = inds;
k = SCM_ARRAY_NDIM (ra);
@ -920,19 +916,7 @@ SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1,
{
SCM_SETCAR (indptr, scm_sum (SCM_CAR (indptr), scm_from_int (1)));
imap = scm_apply_0 (mapfunc, scm_reverse (inds));
if (SCM_ARRAYP (oldra))
s[k].inc = scm_aind (oldra, imap, FUNC_NAME) - i;
else
{
if (!scm_is_integer (imap))
{
if (scm_ilength (imap) != 1 || !scm_is_integer (SCM_CAR (imap)))
SCM_MISC_ERROR (s_bad_ind, SCM_EOL);
imap = SCM_CAR (imap);
}
s[k].inc = scm_to_long (imap) - i;
}
s[k].inc = indices_to_pos (&old_handle, imap) - i;
i += s[k].inc;
if (s[k].inc > 0)
new_max += (s[k].ubnd - s[k].lbnd) * s[k].inc;
@ -943,6 +927,9 @@ SCM_DEFINE (scm_make_shared_array, "make-shared-array", 2, 0, 1,
s[k].inc = new_max - new_min + 1; /* contiguous by default */
indptr = SCM_CDR (indptr);
}
scm_array_handle_release (&old_handle);
if (old_min > new_min || old_max < new_max)
SCM_MISC_ERROR ("mapping out of range", SCM_EOL);
if (1 == SCM_ARRAY_NDIM (ra) && 0 == SCM_ARRAY_BASE (ra))