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guile/libguile/ramap.c
Neil Jerram 8f85c0c6c3 * Adding C function declarations from the SCM interface to the 
reference manual documentation.
2001-11-16 15:04:17 +00:00

2073 lines
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/* Copyright (C) 1996,1998,2000,2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
/*
HWN:FIXME::
Someone should rename this to arraymap.c; that would reflect the
contents better. */
#include "libguile/_scm.h"
#include "libguile/strings.h"
#include "libguile/unif.h"
#include "libguile/smob.h"
#include "libguile/chars.h"
#include "libguile/eq.h"
#include "libguile/eval.h"
#include "libguile/feature.h"
#include "libguile/root.h"
#include "libguile/vectors.h"
#include "libguile/validate.h"
#include "libguile/ramap.h"
typedef struct
{
char *name;
SCM sproc;
int (*vproc) ();
} ra_iproc;
/* These tables are a kluge that will not scale well when more
* vectorized subrs are added. It is tempting to steal some bits from
* the SCM_CAR of all subrs (like those selected by SCM_SMOBNUM) to hold an
* offset into a table of vectorized subrs.
*/
static ra_iproc ra_rpsubrs[] =
{
{"=", SCM_UNDEFINED, scm_ra_eqp},
{"<", SCM_UNDEFINED, scm_ra_lessp},
{"<=", SCM_UNDEFINED, scm_ra_leqp},
{">", SCM_UNDEFINED, scm_ra_grp},
{">=", SCM_UNDEFINED, scm_ra_greqp},
{0, 0, 0}
};
static ra_iproc ra_asubrs[] =
{
{"+", SCM_UNDEFINED, scm_ra_sum},
{"-", SCM_UNDEFINED, scm_ra_difference},
{"*", SCM_UNDEFINED, scm_ra_product},
{"/", SCM_UNDEFINED, scm_ra_divide},
{0, 0, 0}
};
/* Fast, recycling scm_vector ref */
#define RVREF(ra, i, e) (e = scm_cvref(ra, i, e))
/* #define RVREF(ra, i, e) (scm_cvref(ra, i, SCM_UNDEFINED)) to turn off */
/* IVDEP means "ignore scm_vector dependencies", meaning we guarantee that
elements of scm_vector operands are not aliased */
#ifdef _UNICOS
#define IVDEP(test, line) if (test) {_Pragma("ivdep"); line} else {line}
#else
#define IVDEP(test, line) line
#endif
/* inds must be a uvect or ivect, no check. */
/*
Yes, this is really ugly, but it prevents multiple code
*/
#define BINARY_ELTS_CODE(OPERATOR, type) \
do { type *v0 = (type*)SCM_VELTS (ra0);\
type *v1 = (type*)SCM_VELTS (ra1);\
IVDEP (ra0 != ra1, \
for (; n-- > 0; i0 += inc0, i1 += inc1) \
v0[i0] OPERATOR v1[i1];) \
} while (0)
/* This macro is used for all but binary division and
multiplication of complex numbers -- see the expanded
version in the functions later in this file */
#define BINARY_PAIR_ELTS_CODE(OPERATOR, type) \
do { type (*v0)[2] = (type (*)[2]) SCM_VELTS (ra0);\
type (*v1)[2] = (type (*)[2]) SCM_VELTS (ra1);\
IVDEP (ra0 != ra1, \
for (; n-- > 0; i0 += inc0, i1 += inc1) {\
v0[i0][0] OPERATOR v1[i1][0]; \
v0[i0][1] OPERATOR v1[i1][1]; \
}) \
} while (0)
#define UNARY_ELTS_CODE(OPERATOR, type) \
do { type *v0 = (type *) SCM_VELTS (ra0);\
for (; n-- > 0; i0 += inc0) \
v0[i0] OPERATOR v0[i0];\
} while (0)
/* This macro is used for all but unary divison
of complex numbers -- see the expanded version in the
function later in this file. */
#define UNARY_PAIR_ELTS_CODE(OPERATOR, type) \
do { type (*v0)[2] = (type (*)[2]) SCM_VELTS (ra0);\
for (; n-- > 0; i0 += inc0) {\
v0[i0][0] OPERATOR v0[i0][0];\
v0[i0][1] OPERATOR v0[i0][1];\
}\
break;\
} while (0)
static unsigned long
cind (SCM ra, SCM inds)
{
unsigned long i;
int k;
long *ve = (long*) SCM_VELTS (inds);
if (!SCM_ARRAYP (ra))
return *ve;
i = SCM_ARRAY_BASE (ra);
for (k = 0; k < SCM_ARRAY_NDIM (ra); k++)
i += (ve[k] - SCM_ARRAY_DIMS (ra)[k].lbnd) * SCM_ARRAY_DIMS (ra)[k].inc;
return i;
}
/* Checker for scm_array mapping functions:
return values: 4 --> shapes, increments, and bases are the same;
3 --> shapes and increments are the same;
2 --> shapes are the same;
1 --> ras are at least as big as ra0;
0 --> no match.
*/
int
scm_ra_matchp (SCM ra0, SCM ras)
{
SCM ra1;
scm_t_array_dim dims;
scm_t_array_dim *s0 = &dims;
scm_t_array_dim *s1;
unsigned long bas0 = 0;
int i, ndim = 1;
int exact = 2 /* 4 */ ; /* Don't care about values >2 (yet?) */
if (SCM_IMP (ra0)) return 0;
switch (SCM_TYP7 (ra0))
{
default:
return 0;
case scm_tc7_vector:
case scm_tc7_wvect:
case scm_tc7_string:
case scm_tc7_byvect:
case scm_tc7_bvect:
case scm_tc7_uvect:
case scm_tc7_ivect:
case scm_tc7_svect:
#ifdef HAVE_LONG_LONGS
case scm_tc7_llvect:
#endif
case scm_tc7_fvect:
case scm_tc7_dvect:
case scm_tc7_cvect:
s0->lbnd = 0;
s0->inc = 1;
s0->ubnd = SCM_INUM (scm_uniform_vector_length (ra0)) - 1;
break;
case scm_tc7_smob:
if (!SCM_ARRAYP (ra0))
return 0;
ndim = SCM_ARRAY_NDIM (ra0);
s0 = SCM_ARRAY_DIMS (ra0);
bas0 = SCM_ARRAY_BASE (ra0);
break;
}
while (SCM_NIMP (ras))
{
ra1 = SCM_CAR (ras);
if (SCM_IMP (ra1))
return 0;
switch SCM_TYP7
(ra1)
{
default:
return 0;
case scm_tc7_vector:
case scm_tc7_wvect:
case scm_tc7_string:
case scm_tc7_byvect:
case scm_tc7_bvect:
case scm_tc7_uvect:
case scm_tc7_ivect:
case scm_tc7_svect:
#ifdef HAVE_LONG_LONGS
case scm_tc7_llvect:
#endif
case scm_tc7_fvect:
case scm_tc7_dvect:
case scm_tc7_cvect:
{
unsigned long int length;
if (1 != ndim)
return 0;
length = SCM_INUM (scm_uniform_vector_length (ra1));
switch (exact)
{
case 4:
if (0 != bas0)
exact = 3;
case 3:
if (1 != s0->inc)
exact = 2;
case 2:
if ((0 == s0->lbnd) && (s0->ubnd == length - 1))
break;
exact = 1;
case 1:
if (s0->lbnd < 0 || s0->ubnd >= length)
return 0;
}
break;
}
case scm_tc7_smob:
if (!SCM_ARRAYP (ra1) || ndim != SCM_ARRAY_NDIM (ra1))
return 0;
s1 = SCM_ARRAY_DIMS (ra1);
if (bas0 != SCM_ARRAY_BASE (ra1))
exact = 3;
for (i = 0; i < ndim; i++)
switch (exact)
{
case 4:
case 3:
if (s0[i].inc != s1[i].inc)
exact = 2;
case 2:
if (s0[i].lbnd == s1[i].lbnd && s0[i].ubnd == s1[i].ubnd)
break;
exact = 1;
default:
if (s0[i].lbnd < s1[i].lbnd || s0[i].ubnd > s1[i].ubnd)
return (s0[i].lbnd <= s0[i].ubnd ? 0 : 1);
}
break;
}
ras = SCM_CDR (ras);
}
return exact;
}
/* array mapper: apply cproc to each dimension of the given arrays?.
int (*cproc) (); procedure to call on unrolled arrays?
cproc (dest, source list) or
cproc (dest, data, source list).
SCM data; data to give to cproc or unbound.
SCM ra0; destination array.
SCM lra; list of source arrays.
const char *what; caller, for error reporting. */
int
scm_ramapc (int (*cproc)(), SCM data, SCM ra0, SCM lra, const char *what)
{
SCM inds, z;
SCM vra0, ra1, vra1;
SCM lvra, *plvra;
long *vinds;
int k, kmax;
switch (scm_ra_matchp (ra0, lra))
{
default:
case 0:
scm_misc_error (what, "array shape mismatch: ~S", ra0);
case 2:
case 3:
case 4: /* Try unrolling arrays */
kmax = (SCM_ARRAYP (ra0) ? SCM_ARRAY_NDIM (ra0) - 1 : 0);
if (kmax < 0)
goto gencase;
vra0 = scm_array_contents (ra0, SCM_UNDEFINED);
if (SCM_IMP (vra0)) goto gencase;
if (!SCM_ARRAYP (vra0))
{
unsigned long int length = SCM_INUM (scm_uniform_vector_length (vra0));
vra1 = scm_make_ra (1);
SCM_ARRAY_BASE (vra1) = 0;
SCM_ARRAY_DIMS (vra1)->lbnd = 0;
SCM_ARRAY_DIMS (vra1)->ubnd = length - 1;
SCM_ARRAY_DIMS (vra1)->inc = 1;
SCM_ARRAY_V (vra1) = vra0;
vra0 = vra1;
}
lvra = SCM_EOL;
plvra = &lvra;
for (z = lra; SCM_NIMP (z); z = SCM_CDR (z))
{
ra1 = SCM_CAR (z);
vra1 = scm_make_ra (1);
SCM_ARRAY_DIMS (vra1)->lbnd = SCM_ARRAY_DIMS (vra0)->lbnd;
SCM_ARRAY_DIMS (vra1)->ubnd = SCM_ARRAY_DIMS (vra0)->ubnd;
if (!SCM_ARRAYP (ra1))
{
SCM_ARRAY_BASE (vra1) = 0;
SCM_ARRAY_DIMS (vra1)->inc = 1;
SCM_ARRAY_V (vra1) = ra1;
}
else if (!SCM_ARRAY_CONTP (ra1))
goto gencase;
else
{
SCM_ARRAY_BASE (vra1) = SCM_ARRAY_BASE (ra1);
SCM_ARRAY_DIMS (vra1)->inc = SCM_ARRAY_DIMS (ra1)[kmax].inc;
SCM_ARRAY_V (vra1) = SCM_ARRAY_V (ra1);
}
*plvra = scm_cons (vra1, SCM_EOL);
plvra = SCM_CDRLOC (*plvra);
}
return (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra));
case 1:
gencase: /* Have to loop over all dimensions. */
vra0 = scm_make_ra (1);
if (SCM_ARRAYP (ra0))
{
kmax = SCM_ARRAY_NDIM (ra0) - 1;
if (kmax < 0)
{
SCM_ARRAY_DIMS (vra0)->lbnd = 0;
SCM_ARRAY_DIMS (vra0)->ubnd = 0;
SCM_ARRAY_DIMS (vra0)->inc = 1;
}
else
{
SCM_ARRAY_DIMS (vra0)->lbnd = SCM_ARRAY_DIMS (ra0)[kmax].lbnd;
SCM_ARRAY_DIMS (vra0)->ubnd = SCM_ARRAY_DIMS (ra0)[kmax].ubnd;
SCM_ARRAY_DIMS (vra0)->inc = SCM_ARRAY_DIMS (ra0)[kmax].inc;
}
SCM_ARRAY_BASE (vra0) = SCM_ARRAY_BASE (ra0);
SCM_ARRAY_V (vra0) = SCM_ARRAY_V (ra0);
}
else
{
unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra0));
kmax = 0;
SCM_ARRAY_DIMS (vra0)->lbnd = 0;
SCM_ARRAY_DIMS (vra0)->ubnd = length - 1;
SCM_ARRAY_DIMS (vra0)->inc = 1;
SCM_ARRAY_BASE (vra0) = 0;
SCM_ARRAY_V (vra0) = ra0;
ra0 = vra0;
}
lvra = SCM_EOL;
plvra = &lvra;
for (z = lra; SCM_NIMP (z); z = SCM_CDR (z))
{
ra1 = SCM_CAR (z);
vra1 = scm_make_ra (1);
SCM_ARRAY_DIMS (vra1)->lbnd = SCM_ARRAY_DIMS (vra0)->lbnd;
SCM_ARRAY_DIMS (vra1)->ubnd = SCM_ARRAY_DIMS (vra0)->ubnd;
if (SCM_ARRAYP (ra1))
{
if (kmax >= 0)
SCM_ARRAY_DIMS (vra1)->inc = SCM_ARRAY_DIMS (ra1)[kmax].inc;
SCM_ARRAY_V (vra1) = SCM_ARRAY_V (ra1);
}
else
{
SCM_ARRAY_DIMS (vra1)->inc = 1;
SCM_ARRAY_V (vra1) = ra1;
}
*plvra = scm_cons (vra1, SCM_EOL);
plvra = SCM_CDRLOC (*plvra);
}
inds = scm_make_uve (SCM_ARRAY_NDIM (ra0), SCM_MAKINUM (-1L));
vinds = (long *) SCM_VELTS (inds);
for (k = 0; k <= kmax; k++)
vinds[k] = SCM_ARRAY_DIMS (ra0)[k].lbnd;
k = kmax;
do
{
if (k == kmax)
{
SCM y = lra;
SCM_ARRAY_BASE (vra0) = cind (ra0, inds);
for (z = lvra; SCM_NIMP (z); z = SCM_CDR (z), y = SCM_CDR (y))
SCM_ARRAY_BASE (SCM_CAR (z)) = cind (SCM_CAR (y), inds);
if (0 == (SCM_UNBNDP (data) ? cproc(vra0, lvra) : cproc(vra0, data, lvra)))
return 0;
k--;
continue;
}
if (vinds[k] < SCM_ARRAY_DIMS (ra0)[k].ubnd)
{
vinds[k]++;
k++;
continue;
}
vinds[k] = SCM_ARRAY_DIMS (ra0)[k].lbnd - 1;
k--;
}
while (k >= 0);
return 1;
}
}
SCM_DEFINE (scm_array_fill_x, "array-fill!", 2, 0, 0,
(SCM ra, SCM fill),
"Store @var{fill} in every element of @var{array}. The value returned\n"
"is unspecified.")
#define FUNC_NAME s_scm_array_fill_x
{
scm_ramapc (scm_array_fill_int, fill, ra, SCM_EOL, FUNC_NAME);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
/* to be used as cproc in scm_ramapc to fill an array dimension with
"fill". */
int
scm_array_fill_int (SCM ra, SCM fill, SCM ignore SCM_UNUSED)
#define FUNC_NAME s_scm_array_fill_x
{
unsigned long i;
unsigned long n = SCM_ARRAY_DIMS (ra)->ubnd - SCM_ARRAY_DIMS (ra)->lbnd + 1;
long inc = SCM_ARRAY_DIMS (ra)->inc;
unsigned long base = SCM_ARRAY_BASE (ra);
ra = SCM_ARRAY_V (ra);
switch SCM_TYP7 (ra)
{
default:
for (i = base; n--; i += inc)
scm_array_set_x (ra, fill, SCM_MAKINUM (i));
break;
case scm_tc7_vector:
case scm_tc7_wvect:
for (i = base; n--; i += inc)
SCM_VELTS (ra)[i] = fill;
break;
case scm_tc7_string:
SCM_ASRTGO (SCM_CHARP (fill), badarg2);
for (i = base; n--; i += inc)
SCM_STRING_CHARS (ra)[i] = SCM_CHAR (fill);
break;
case scm_tc7_byvect:
if (SCM_CHARP (fill))
fill = SCM_MAKINUM ((char) SCM_CHAR (fill));
SCM_ASRTGO (SCM_INUMP (fill)
&& -128 <= SCM_INUM (fill) && SCM_INUM (fill) < 128,
badarg2);
for (i = base; n--; i += inc)
((char *) SCM_UVECTOR_BASE (ra))[i] = SCM_INUM (fill);
break;
case scm_tc7_bvect:
{ /* scope */
long *ve = (long *) SCM_VELTS (ra);
if (1 == inc && (n >= SCM_LONG_BIT || n == SCM_BITVECTOR_LENGTH (ra)))
{
i = base / SCM_LONG_BIT;
if (SCM_FALSEP (fill))
{
if (base % SCM_LONG_BIT) /* leading partial word */
ve[i++] &= ~(~0L << (base % SCM_LONG_BIT));
for (; i < (base + n) / SCM_LONG_BIT; i++)
ve[i] = 0L;
if ((base + n) % SCM_LONG_BIT) /* trailing partial word */
ve[i] &= (~0L << ((base + n) % SCM_LONG_BIT));
}
else if (SCM_EQ_P (fill, SCM_BOOL_T))
{
if (base % SCM_LONG_BIT)
ve[i++] |= ~0L << (base % SCM_LONG_BIT);
for (; i < (base + n) / SCM_LONG_BIT; i++)
ve[i] = ~0L;
if ((base + n) % SCM_LONG_BIT)
ve[i] |= ~(~0L << ((base + n) % SCM_LONG_BIT));
}
else
badarg2:SCM_WRONG_TYPE_ARG (2, fill);
}
else
{
if (SCM_FALSEP (fill))
for (i = base; n--; i += inc)
ve[i / SCM_LONG_BIT] &= ~(1L << (i % SCM_LONG_BIT));
else if (SCM_EQ_P (fill, SCM_BOOL_T))
for (i = base; n--; i += inc)
ve[i / SCM_LONG_BIT] |= (1L << (i % SCM_LONG_BIT));
else
goto badarg2;
}
break;
}
case scm_tc7_uvect:
{ /* scope */
unsigned long f = SCM_NUM2ULONG (2, fill);
unsigned long *ve = (unsigned long *) SCM_VELTS (ra);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
case scm_tc7_ivect:
{ /* scope */
long f = SCM_NUM2LONG (2, fill);
long *ve = (long *) SCM_VELTS (ra);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
case scm_tc7_svect:
SCM_ASRTGO (SCM_INUMP (fill), badarg2);
{ /* scope */
short f = SCM_INUM (fill);
short *ve = (short *) SCM_VELTS (ra);
if (f != SCM_INUM (fill))
SCM_OUT_OF_RANGE (2, fill);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
#ifdef HAVE_LONG_LONGS
case scm_tc7_llvect:
{ /* scope */
long long f = SCM_NUM2LONG_LONG (2, fill);
long long *ve = (long long *) SCM_VELTS (ra);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
#endif
case scm_tc7_fvect:
{ /* scope */
float f, *ve = (float *) SCM_VELTS (ra);
SCM_ASRTGO (SCM_REALP (fill), badarg2);
f = SCM_REAL_VALUE (fill);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
case scm_tc7_dvect:
{ /* scope */
double f, *ve = (double *) SCM_VELTS (ra);
SCM_ASRTGO (SCM_REALP (fill), badarg2);
f = SCM_REAL_VALUE (fill);
for (i = base; n--; i += inc)
ve[i] = f;
break;
}
case scm_tc7_cvect:
{ /* scope */
double fr, fi;
double (*ve)[2] = (double (*)[2]) SCM_VELTS (ra);
SCM_ASRTGO (SCM_INEXACTP (fill), badarg2);
if (SCM_REALP (fill)) {
fr = SCM_REAL_VALUE (fill);
fi = 0.0;
} else {
fr = SCM_COMPLEX_REAL (fill);
fi = SCM_COMPLEX_IMAG (fill);
}
for (i = base; n--; i += inc)
{
ve[i][0] = fr;
ve[i][1] = fi;
}
break;
}
}
return 1;
}
#undef FUNC_NAME
static int
racp (SCM src, SCM dst)
{
long n = (SCM_ARRAY_DIMS (src)->ubnd - SCM_ARRAY_DIMS (src)->lbnd + 1);
long inc_d, inc_s = SCM_ARRAY_DIMS (src)->inc;
unsigned long i_d, i_s = SCM_ARRAY_BASE (src);
dst = SCM_CAR (dst);
inc_d = SCM_ARRAY_DIMS (dst)->inc;
i_d = SCM_ARRAY_BASE (dst);
src = SCM_ARRAY_V (src);
dst = SCM_ARRAY_V (dst);
switch SCM_TYP7 (dst)
{
default:
gencase:
case scm_tc7_vector:
case scm_tc7_wvect:
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
scm_array_set_x (dst,
scm_cvref (src, i_s, SCM_UNDEFINED),
SCM_MAKINUM (i_d));
break;
case scm_tc7_string:
if (SCM_TYP7 (src) != scm_tc7_string)
goto gencase;
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
SCM_STRING_CHARS (dst)[i_d] = SCM_STRING_CHARS (src)[i_s];
break;
case scm_tc7_byvect:
if (SCM_TYP7 (src) != scm_tc7_byvect)
goto gencase;
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
((char *) SCM_UVECTOR_BASE (dst))[i_d]
= ((char *) SCM_UVECTOR_BASE (src))[i_s];
break;
case scm_tc7_bvect:
if (SCM_TYP7 (src) != scm_tc7_bvect)
goto gencase;
if (1 == inc_d && 1 == inc_s && i_s % SCM_LONG_BIT == i_d % SCM_LONG_BIT && n >= SCM_LONG_BIT)
{
long *sv = (long *) SCM_VELTS (src);
long *dv = (long *) SCM_VELTS (dst);
sv += i_s / SCM_LONG_BIT;
dv += i_d / SCM_LONG_BIT;
if (i_s % SCM_LONG_BIT)
{ /* leading partial word */
*dv = (*dv & ~(~0L << (i_s % SCM_LONG_BIT))) | (*sv & (~0L << (i_s % SCM_LONG_BIT)));
dv++;
sv++;
n -= SCM_LONG_BIT - (i_s % SCM_LONG_BIT);
}
IVDEP (src != dst,
for (; n >= SCM_LONG_BIT; n -= SCM_LONG_BIT, sv++, dv++)
*dv = *sv;)
if (n) /* trailing partial word */
*dv = (*dv & (~0L << n)) | (*sv & ~(~0L << n));
}
else
{
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
if (SCM_BITVEC_REF(src, i_s))
SCM_BITVEC_SET(dst, i_d);
else
SCM_BITVEC_CLR(dst, i_d);
}
break;
case scm_tc7_uvect:
if (scm_tc7_uvect != SCM_TYP7 (src))
goto gencase;
else
{
long *d = (long *) SCM_VELTS (dst), *s = (long *) SCM_VELTS (src);
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = s[i_s];)
break;
}
case scm_tc7_ivect:
if (scm_tc7_uvect != SCM_TYP7 (src) && scm_tc7_ivect != SCM_TYP7 (src))
goto gencase;
else
{
long *d = (long *) SCM_VELTS (dst), *s = (long *) SCM_VELTS (src);
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = s[i_s];)
break;
}
case scm_tc7_fvect:
{
float *d = (float *) SCM_VELTS (dst);
float *s = (float *) SCM_VELTS (src);
switch SCM_TYP7
(src)
{
default:
goto gencase;
case scm_tc7_ivect:
case scm_tc7_uvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = ((long *) s)[i_s];)
break;
case scm_tc7_fvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = s[i_s];)
break;
case scm_tc7_dvect:
IVDEP (src !=dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = ((double *) s)[i_s];)
break;
}
break;
}
case scm_tc7_dvect:
{
double *d = (double *) SCM_VELTS (dst);
double *s = (double *) SCM_VELTS (src);
switch SCM_TYP7
(src)
{
default:
goto gencase;
case scm_tc7_ivect:
case scm_tc7_uvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = ((long *) s)[i_s];)
break;
case scm_tc7_fvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = ((float *) s)[i_s];)
break;
case scm_tc7_dvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
d[i_d] = s[i_s];)
break;
}
break;
}
case scm_tc7_cvect:
{
double (*d)[2] = (double (*)[2]) SCM_VELTS (dst);
double (*s)[2] = (double (*)[2]) SCM_VELTS (src);
switch SCM_TYP7
(src)
{
default:
goto gencase;
case scm_tc7_ivect:
case scm_tc7_uvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
{
d[i_d][0] = ((long *) s)[i_s];
d[i_d][1] = 0.0;
})
break;
case scm_tc7_fvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
{
d[i_d][0] = ((float *) s)[i_s];
d[i_d][1] = 0.0;
})
break;
case scm_tc7_dvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
{
d[i_d][0] = ((double *) s)[i_s];
d[i_d][1] = 0.0;
})
break;
case scm_tc7_cvect:
IVDEP (src != dst,
for (; n-- > 0; i_s += inc_s, i_d += inc_d)
{
d[i_d][0] = s[i_s][0];
d[i_d][1] = s[i_s][1];
})
}
break;
}
}
return 1;
}
SCM_REGISTER_PROC(s_array_copy_in_order_x, "array-copy-in-order!", 2, 0, 0, scm_array_copy_x);
SCM_DEFINE (scm_array_copy_x, "array-copy!", 2, 0, 0,
(SCM src, SCM dst),
"@deffnx {Scheme Procedure} array-copy-in-order! src dst\n"
"Copy every element from vector or array @var{source} to the\n"
"corresponding element of @var{destination}. @var{destination} must have\n"
"the same rank as @var{source}, and be at least as large in each\n"
"dimension. The order is unspecified.")
#define FUNC_NAME s_scm_array_copy_x
{
scm_ramapc (racp, SCM_UNDEFINED, src, scm_cons (dst, SCM_EOL), FUNC_NAME);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
/* Functions callable by ARRAY-MAP! */
int
scm_ra_eqp (SCM ra0, SCM ras)
{
SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras));
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1), i2 = SCM_ARRAY_BASE (ra2);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
long inc2 = SCM_ARRAY_DIMS (ra1)->inc;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
ra2 = SCM_ARRAY_V (ra2);
switch (SCM_TYP7 (ra1) == SCM_TYP7 (ra2) ? SCM_TYP7 (ra1) : 0)
{
default:
{
SCM e1 = SCM_UNDEFINED, e2 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (SCM_FALSEP(scm_eq_p (RVREF (ra1, i1, e1), RVREF (ra2, i2, e2))))
SCM_BITVEC_CLR (ra0, i0);
break;
}
case scm_tc7_uvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (((unsigned long *) SCM_VELTS (ra1))[i1] != ((unsigned long *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_ivect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (((signed long *) SCM_VELTS (ra1))[i1] != ((signed long *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_fvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (((float *) SCM_VELTS (ra1))[i1] != ((float *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_dvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (((double *) SCM_VELTS (ra1))[i1] != ((double *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_cvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (((double *) SCM_VELTS (ra1))[2 * i1] != ((double *) SCM_VELTS (ra2))[2 * i2] ||
((double *) SCM_VELTS (ra1))[2 * i1 + 1] != ((double *) SCM_VELTS (ra2))[2 * i2 + 1])
SCM_BITVEC_CLR (ra0, i0);
break;
}
return 1;
}
/* opt 0 means <, nonzero means >= */
static int
ra_compare (SCM ra0,SCM ra1,SCM ra2,int opt)
{
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1), i2 = SCM_ARRAY_BASE (ra2);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
long inc2 = SCM_ARRAY_DIMS (ra1)->inc;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
ra2 = SCM_ARRAY_V (ra2);
switch (SCM_TYP7 (ra1) == SCM_TYP7 (ra2) ? SCM_TYP7 (ra1) : 0)
{
default:
{
SCM e1 = SCM_UNDEFINED, e2 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (opt ?
SCM_NFALSEP (scm_less_p (RVREF (ra1, i1, e1), RVREF (ra2, i2, e2))) :
SCM_FALSEP (scm_less_p (RVREF (ra1, i1, e1), RVREF (ra2, i2, e2))))
SCM_BITVEC_CLR (ra0, i0);
break;
}
case scm_tc7_uvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
{
if (SCM_BITVEC_REF (ra0, i0))
if (opt ?
((unsigned long *) SCM_VELTS (ra1))[i1] < ((unsigned long *) SCM_VELTS (ra2))[i2] :
((unsigned long *) SCM_VELTS (ra1))[i1] >= ((unsigned long *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
}
break;
case scm_tc7_ivect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
{
if (SCM_BITVEC_REF (ra0, i0))
if (opt ?
((signed long *) SCM_VELTS (ra1))[i1] < ((signed long *) SCM_VELTS (ra2))[i2] :
((signed long *) SCM_VELTS (ra1))[i1] >= ((signed long *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
}
break;
case scm_tc7_fvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF(ra0, i0))
if (opt ?
((float *) SCM_VELTS (ra1))[i1] < ((float *) SCM_VELTS (ra2))[i2] :
((float *) SCM_VELTS (ra1))[i1] >= ((float *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_dvect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (opt ?
((double *) SCM_VELTS (ra1))[i1] < ((double *) SCM_VELTS (ra2))[i2] :
((double *) SCM_VELTS (ra1))[i1] >= ((double *) SCM_VELTS (ra2))[i2])
SCM_BITVEC_CLR (ra0, i0);
break;
}
return 1;
}
int
scm_ra_lessp (SCM ra0, SCM ras)
{
return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 0);
}
int
scm_ra_leqp (SCM ra0, SCM ras)
{
return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 1);
}
int
scm_ra_grp (SCM ra0, SCM ras)
{
return ra_compare (ra0, SCM_CAR (SCM_CDR (ras)), SCM_CAR (ras), 0);
}
int
scm_ra_greqp (SCM ra0, SCM ras)
{
return ra_compare (ra0, SCM_CAR (ras), SCM_CAR (SCM_CDR (ras)), 1);
}
int
scm_ra_sum (SCM ra0, SCM ras)
{
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NNULLP(ras))
{
SCM ra1 = SCM_CAR (ras);
unsigned long i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0)
{
default:
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, scm_sum (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1)),
SCM_MAKINUM (i0));
break;
}
case scm_tc7_uvect:
case scm_tc7_ivect:
BINARY_ELTS_CODE( +=, long);
case scm_tc7_fvect:
BINARY_ELTS_CODE( +=, float);
case scm_tc7_dvect:
BINARY_ELTS_CODE( +=, double);
case scm_tc7_cvect:
BINARY_PAIR_ELTS_CODE( +=, double);
}
}
return 1;
}
int
scm_ra_difference (SCM ra0, SCM ras)
{
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NULLP (ras))
{
switch (SCM_TYP7 (ra0))
{
default:
{
SCM e0 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0)
scm_array_set_x (ra0,
scm_difference (RVREF (ra0, i0, e0), SCM_UNDEFINED),
SCM_MAKINUM (i0));
break;
}
case scm_tc7_fvect:
UNARY_ELTS_CODE( = -, float);
case scm_tc7_dvect:
UNARY_ELTS_CODE( = -, double);
case scm_tc7_cvect:
UNARY_PAIR_ELTS_CODE( = -, double);
}
}
else
{
SCM ra1 = SCM_CAR (ras);
unsigned long i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0)
{
default:
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, scm_difference (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1)), SCM_MAKINUM (i0));
break;
}
case scm_tc7_fvect:
BINARY_ELTS_CODE( -=, float);
case scm_tc7_dvect:
BINARY_ELTS_CODE( -=, double);
case scm_tc7_cvect:
BINARY_PAIR_ELTS_CODE( -=, double);
}
}
return 1;
}
int
scm_ra_product (SCM ra0, SCM ras)
{
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NNULLP (ras))
{
SCM ra1 = SCM_CAR (ras);
unsigned long i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0)
{
default:
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, scm_product (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1)),
SCM_MAKINUM (i0));
break;
}
case scm_tc7_uvect:
case scm_tc7_ivect:
BINARY_ELTS_CODE( *=, long);
case scm_tc7_fvect:
BINARY_ELTS_CODE( *=, float);
case scm_tc7_dvect:
BINARY_ELTS_CODE( *=, double);
case scm_tc7_cvect:
{
double (*v0)[2] = (double (*)[2]) SCM_VELTS (ra0);
register double r;
double (*v1)[2] = (double (*)[2]) SCM_VELTS (ra1);
IVDEP (ra0 != ra1,
for (; n-- > 0; i0 += inc0, i1 += inc1)
{
r = v0[i0][0] * v1[i1][0] - v0[i0][1] * v1[i1][1];
v0[i0][1] = v0[i0][0] * v1[i1][1] + v0[i0][1] * v1[i1][0];
v0[i0][0] = r;
}
);
break;
}
}
}
return 1;
}
int
scm_ra_divide (SCM ra0, SCM ras)
{
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NULLP (ras))
{
switch (SCM_TYP7 (ra0))
{
default:
{
SCM e0 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0)
scm_array_set_x (ra0, scm_divide (RVREF (ra0, i0, e0), SCM_UNDEFINED), SCM_MAKINUM (i0));
break;
}
case scm_tc7_fvect:
UNARY_ELTS_CODE( = 1.0 / , float);
case scm_tc7_dvect:
UNARY_ELTS_CODE( = 1.0 / , double);
case scm_tc7_cvect:
{
register double d;
double (*v0)[2] = (double (*)[2]) SCM_VELTS (ra0);
for (; n-- > 0; i0 += inc0)
{
d = v0[i0][0] * v0[i0][0] + v0[i0][1] * v0[i0][1];
v0[i0][0] /= d;
v0[i0][1] /= -d;
}
break;
}
}
}
else
{
SCM ra1 = SCM_CAR (ras);
unsigned long i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
switch (SCM_TYP7 (ra0) == SCM_TYP7 (ra1) ? SCM_TYP7 (ra0) : 0)
{
default:
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, scm_divide (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1)), SCM_MAKINUM (i0));
break;
}
case scm_tc7_fvect:
BINARY_ELTS_CODE( /=, float);
case scm_tc7_dvect:
BINARY_ELTS_CODE( /=, double);
case scm_tc7_cvect:
{
register double d, r;
double (*v0)[2] = (double (*)[2]) SCM_VELTS (ra0);
double (*v1)[2] = (double (*)[2]) SCM_VELTS (ra1);
IVDEP (ra0 != ra1,
for (; n-- > 0; i0 += inc0, i1 += inc1)
{
d = v1[i1][0] * v1[i1][0] + v1[i1][1] * v1[i1][1];
r = (v0[i0][0] * v1[i1][0] + v0[i0][1] * v1[i1][1]) / d;
v0[i0][1] = (v0[i0][1] * v1[i1][0] - v0[i0][0] * v1[i1][1]) / d;
v0[i0][0] = r;
}
)
break;
}
}
}
return 1;
}
int
scm_array_identity (SCM dst, SCM src)
{
return racp (SCM_CAR (src), scm_cons (dst, SCM_EOL));
}
static int
ramap (SCM ra0,SCM proc,SCM ras)
{
long i = SCM_ARRAY_DIMS (ra0)->lbnd;
long inc = SCM_ARRAY_DIMS (ra0)->inc;
long n = SCM_ARRAY_DIMS (ra0)->ubnd;
long base = SCM_ARRAY_BASE (ra0) - i * inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NULLP (ras))
for (; i <= n; i++)
scm_array_set_x (ra0, scm_call_0 (proc), SCM_MAKINUM (i * inc + base));
else
{
SCM ra1 = SCM_CAR (ras);
SCM args, *ve = &ras;
unsigned long k, i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
ras = SCM_CDR (ras);
if (SCM_NULLP(ras))
ras = scm_nullvect;
else
{
ras = scm_vector (ras);
ve = SCM_VELTS (ras);
}
for (; i <= n; i++, i1 += inc1)
{
args = SCM_EOL;
for (k = SCM_INUM (scm_uniform_vector_length (ras)); k--;)
args = scm_cons (scm_uniform_vector_ref (ve[k], SCM_MAKINUM (i)), args);
args = scm_cons (scm_cvref (ra1, i1, SCM_UNDEFINED), args);
scm_array_set_x (ra0, scm_apply_0 (proc, args), SCM_MAKINUM (i * inc + base));
}
}
return 1;
}
static int
ramap_cxr (SCM ra0,SCM proc,SCM ras)
{
SCM ra1 = SCM_CAR (ras);
SCM e1 = SCM_UNDEFINED;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc, inc1 = SCM_ARRAY_DIMS (ra1)->inc;
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra1)->lbnd + 1;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
switch (SCM_TYP7 (ra0))
{
default:
gencase:
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, scm_call_1 (proc, RVREF (ra1, i1, e1)), SCM_MAKINUM (i0));
break;
case scm_tc7_fvect:
{
float *dst = (float *) SCM_VELTS (ra0);
switch (SCM_TYP7 (ra1))
{
default:
goto gencase;
case scm_tc7_fvect:
for (; n-- > 0; i0 += inc0, i1 += inc1)
dst[i0] = SCM_DSUBRF (proc) ((double) ((float *) SCM_VELTS (ra1))[i1]);
break;
case scm_tc7_uvect:
case scm_tc7_ivect:
for (; n-- > 0; i0 += inc0, i1 += inc1)
dst[i0] = SCM_DSUBRF (proc) (SCM_UNPACK (SCM_VELTS (ra1)[i1]));
break;
}
break;
}
case scm_tc7_dvect:
{
double *dst = (double *) SCM_VELTS (ra0);
switch (SCM_TYP7 (ra1))
{
default:
goto gencase;
case scm_tc7_dvect:
for (; n-- > 0; i0 += inc0, i1 += inc1)
dst[i0] = SCM_DSUBRF (proc) (((double *) SCM_VELTS (ra1))[i1]);
break;
case scm_tc7_uvect:
case scm_tc7_ivect:
for (; n-- > 0; i0 += inc0, i1 += inc1)
dst[i0] = SCM_DSUBRF (proc) (SCM_UNPACK (SCM_VELTS (ra1)[i1]));
break;
}
break;
}
}
return 1;
}
static int
ramap_rp (SCM ra0,SCM proc,SCM ras)
{
SCM ra1 = SCM_CAR (ras), ra2 = SCM_CAR (SCM_CDR (ras));
SCM e1 = SCM_UNDEFINED, e2 = SCM_UNDEFINED;
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1), i2 = SCM_ARRAY_BASE (ra2);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
long inc2 = SCM_ARRAY_DIMS (ra1)->inc;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
ra2 = SCM_ARRAY_V (ra2);
switch (SCM_TYP7 (ra1) == SCM_TYP7 (ra2) ? SCM_TYP7 (ra1) : 0)
{
default:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
if (SCM_FALSEP (SCM_SUBRF (proc) (RVREF (ra1, i1, e1), RVREF (ra2, i2, e2))))
SCM_BITVEC_CLR (ra0, i0);
break;
case scm_tc7_uvect:
case scm_tc7_ivect:
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
{
/* DIRK:FIXME:: There should be a way to access the elements
of a cell as raw data. Further: How can we be sure that
the values fit into an inum?
*/
SCM n1 = SCM_MAKINUM (((long *) SCM_UNPACK (SCM_CDR (ra1)))[i1]);
SCM n2 = SCM_MAKINUM (((long *) SCM_UNPACK (SCM_CDR (ra2)))[i2]);
if (SCM_FALSEP (SCM_SUBRF (proc) (n1, n2)))
SCM_BITVEC_CLR (ra0, i0);
}
break;
case scm_tc7_fvect:
{
SCM a1 = scm_make_real (1.0), a2 = scm_make_real (1.0);
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
{
SCM_REAL_VALUE (a1) = ((float *) SCM_VELTS (ra1))[i1];
SCM_REAL_VALUE (a2) = ((float *) SCM_VELTS (ra2))[i2];
if (SCM_FALSEP (SCM_SUBRF (proc) (a1, a2)))
SCM_BITVEC_CLR (ra0, i0);
}
break;
}
case scm_tc7_dvect:
{
SCM a1 = scm_make_real (1.0 / 3.0);
SCM a2 = scm_make_real (1.0 / 3.0);
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
{
SCM_REAL_VALUE (a1) = ((double *) SCM_VELTS (ra1))[i1];
SCM_REAL_VALUE (a2) = ((double *) SCM_VELTS (ra2))[i2];
if (SCM_FALSEP (SCM_SUBRF (proc) (a1, a2)))
SCM_BITVEC_CLR (ra0, i0);
}
break;
}
case scm_tc7_cvect:
{
SCM a1 = scm_make_complex (1.0, 1.0);
SCM a2 = scm_make_complex (1.0, 1.0);
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
if (SCM_BITVEC_REF (ra0, i0))
{
SCM_COMPLEX_REAL (a1) = ((double *) SCM_VELTS (ra1))[2 * i1];
SCM_COMPLEX_IMAG (a1) = ((double *) SCM_VELTS (ra1))[2 * i1 + 1];
SCM_COMPLEX_REAL (a2) = ((double *) SCM_VELTS (ra2))[2 * i2];
SCM_COMPLEX_IMAG (a2) = ((double *) SCM_VELTS (ra2))[2 * i2 + 1];
if (SCM_FALSEP (SCM_SUBRF (proc) (a1, a2)))
SCM_BITVEC_CLR (ra0, i0);
}
break;
}
}
return 1;
}
static int
ramap_1 (SCM ra0,SCM proc,SCM ras)
{
SCM ra1 = SCM_CAR (ras);
SCM e1 = SCM_UNDEFINED;
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc, inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
if (scm_tc7_vector == SCM_TYP7 (ra0) || scm_tc7_wvect == SCM_TYP7 (ra0))
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, SCM_SUBRF (proc) (scm_cvref (ra1, i1, SCM_UNDEFINED)), SCM_MAKINUM (i0));
else
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, SCM_SUBRF (proc) (RVREF (ra1, i1, e1)), SCM_MAKINUM (i0));
return 1;
}
static int
ramap_2o (SCM ra0,SCM proc,SCM ras)
{
SCM ra1 = SCM_CAR (ras);
SCM e1 = SCM_UNDEFINED;
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0), i1 = SCM_ARRAY_BASE (ra1);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc, inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra0 = SCM_ARRAY_V (ra0);
ra1 = SCM_ARRAY_V (ra1);
ras = SCM_CDR (ras);
if (SCM_NULLP (ras))
{
if (scm_tc7_vector == SCM_TYP7 (ra0)
|| scm_tc7_wvect == SCM_TYP7 (ra0))
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, SCM_SUBRF (proc) (scm_cvref (ra1, i1, SCM_UNDEFINED), SCM_UNDEFINED),
SCM_MAKINUM (i0));
else
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, SCM_SUBRF (proc) (RVREF (ra1, i1, e1), SCM_UNDEFINED),
SCM_MAKINUM (i0));
}
else
{
SCM ra2 = SCM_CAR (ras);
SCM e2 = SCM_UNDEFINED;
unsigned long i2 = SCM_ARRAY_BASE (ra2);
long inc2 = SCM_ARRAY_DIMS (ra2)->inc;
ra2 = SCM_ARRAY_V (ra2);
if (scm_tc7_vector == SCM_TYP7 (ra0) || scm_tc7_wvect == SCM_TYP7 (ra0))
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
scm_array_set_x (ra0,
SCM_SUBRF (proc) (scm_cvref (ra1, i1, SCM_UNDEFINED), scm_cvref (ra2, i2, SCM_UNDEFINED)),
SCM_MAKINUM (i0));
else
for (; n-- > 0; i0 += inc0, i1 += inc1, i2 += inc2)
scm_array_set_x (ra0,
SCM_SUBRF (proc) (RVREF (ra1, i1, e1), RVREF (ra2, i2, e2)),
SCM_MAKINUM (i0));
}
return 1;
}
static int
ramap_a (SCM ra0,SCM proc,SCM ras)
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
long n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NULLP (ras))
for (; n-- > 0; i0 += inc0)
scm_array_set_x (ra0, SCM_SUBRF (proc) (RVREF (ra0, i0, e0), SCM_UNDEFINED), SCM_MAKINUM (i0));
else
{
SCM ra1 = SCM_CAR (ras);
unsigned long i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
for (; n-- > 0; i0 += inc0, i1 += inc1)
scm_array_set_x (ra0, SCM_SUBRF (proc) (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1)),
SCM_MAKINUM (i0));
}
return 1;
}
SCM_REGISTER_PROC(s_array_map_in_order_x, "array-map-in-order!", 2, 0, 1, scm_array_map_x);
SCM_DEFINE (scm_array_map_x, "array-map!", 2, 0, 1,
(SCM ra0, SCM proc, SCM lra),
"@deffnx {Scheme Procedure} array-map-in-order! ra0 proc . lra\n"
"@var{array1}, @dots{} must have the same number of dimensions as\n"
"@var{array0} and have a range for each index which includes the range\n"
"for the corresponding index in @var{array0}. @var{proc} is applied to\n"
"each tuple of elements of @var{array1} @dots{} and the result is stored\n"
"as the corresponding element in @var{array0}. The value returned is\n"
"unspecified. The order of application is unspecified.")
#define FUNC_NAME s_scm_array_map_x
{
SCM_VALIDATE_PROC (2,proc);
SCM_VALIDATE_REST_ARGUMENT (lra);
switch (SCM_TYP7 (proc))
{
default:
gencase:
scm_ramapc (ramap, proc, ra0, lra, FUNC_NAME);
return SCM_UNSPECIFIED;
case scm_tc7_subr_1:
scm_ramapc (ramap_1, proc, ra0, lra, FUNC_NAME);
return SCM_UNSPECIFIED;
case scm_tc7_subr_2:
case scm_tc7_subr_2o:
scm_ramapc (ramap_2o, proc, ra0, lra, FUNC_NAME);
return SCM_UNSPECIFIED;
case scm_tc7_cxr:
if (!SCM_SUBRF (proc))
goto gencase;
scm_ramapc (ramap_cxr, proc, ra0, lra, FUNC_NAME);
return SCM_UNSPECIFIED;
case scm_tc7_rpsubr:
{
ra_iproc *p;
if (SCM_FALSEP (scm_array_p (ra0, SCM_BOOL_T)))
goto gencase;
scm_array_fill_x (ra0, SCM_BOOL_T);
for (p = ra_rpsubrs; p->name; p++)
if (SCM_EQ_P (proc, p->sproc))
{
while (SCM_NNULLP (lra) && SCM_NNULLP (SCM_CDR (lra)))
{
scm_ramapc (p->vproc, SCM_UNDEFINED, ra0, lra, FUNC_NAME);
lra = SCM_CDR (lra);
}
return SCM_UNSPECIFIED;
}
while (SCM_NNULLP (lra) && SCM_NNULLP (SCM_CDR (lra)))
{
scm_ramapc (ramap_rp, proc, ra0, lra, FUNC_NAME);
lra = SCM_CDR (lra);
}
return SCM_UNSPECIFIED;
}
case scm_tc7_asubr:
if (SCM_NULLP (lra))
{
SCM prot, fill = SCM_SUBRF (proc) (SCM_UNDEFINED, SCM_UNDEFINED);
if (SCM_INUMP(fill))
{
prot = scm_array_prototype (ra0);
if (SCM_INEXACTP (prot))
fill = scm_make_real ((double) SCM_INUM (fill));
}
scm_array_fill_x (ra0, fill);
}
else
{
SCM tail, ra1 = SCM_CAR (lra);
SCM v0 = (SCM_ARRAYP (ra0) ? SCM_ARRAY_V (ra0) : ra0);
ra_iproc *p;
/* Check to see if order might matter.
This might be an argument for a separate
SERIAL-ARRAY-MAP! */
if (SCM_EQ_P (v0, ra1)
|| (SCM_ARRAYP (ra1) && SCM_EQ_P (v0, SCM_ARRAY_V (ra1))))
if (!SCM_EQ_P (ra0, ra1)
|| (SCM_ARRAYP(ra0) && !SCM_ARRAY_CONTP(ra0)))
goto gencase;
for (tail = SCM_CDR (lra); SCM_NNULLP (tail); tail = SCM_CDR (tail))
{
ra1 = SCM_CAR (tail);
if (SCM_EQ_P (v0, ra1)
|| (SCM_ARRAYP (ra1) && SCM_EQ_P (v0, SCM_ARRAY_V (ra1))))
goto gencase;
}
for (p = ra_asubrs; p->name; p++)
if (SCM_EQ_P (proc, p->sproc))
{
if (!SCM_EQ_P (ra0, SCM_CAR (lra)))
scm_ramapc (scm_array_identity, SCM_UNDEFINED, ra0, scm_cons (SCM_CAR (lra), SCM_EOL), FUNC_NAME);
lra = SCM_CDR (lra);
while (1)
{
scm_ramapc (p->vproc, SCM_UNDEFINED, ra0, lra, FUNC_NAME);
if (SCM_IMP (lra) || SCM_IMP (SCM_CDR (lra)))
return SCM_UNSPECIFIED;
lra = SCM_CDR (lra);
}
}
scm_ramapc (ramap_2o, proc, ra0, lra, FUNC_NAME);
lra = SCM_CDR (lra);
if (SCM_NIMP (lra))
for (lra = SCM_CDR (lra); SCM_NIMP (lra); lra = SCM_CDR (lra))
scm_ramapc (ramap_a, proc, ra0, lra, FUNC_NAME);
}
return SCM_UNSPECIFIED;
}
}
#undef FUNC_NAME
static int
rafe (SCM ra0,SCM proc,SCM ras)
{
long i = SCM_ARRAY_DIMS (ra0)->lbnd;
unsigned long i0 = SCM_ARRAY_BASE (ra0);
long inc0 = SCM_ARRAY_DIMS (ra0)->inc;
long n = SCM_ARRAY_DIMS (ra0)->ubnd;
ra0 = SCM_ARRAY_V (ra0);
if (SCM_NULLP (ras))
for (; i <= n; i++, i0 += inc0)
scm_call_1 (proc, scm_cvref (ra0, i0, SCM_UNDEFINED));
else
{
SCM ra1 = SCM_CAR (ras);
SCM args, *ve = &ras;
unsigned long k, i1 = SCM_ARRAY_BASE (ra1);
long inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
ras = SCM_CDR (ras);
if (SCM_NULLP(ras))
ras = scm_nullvect;
else
{
ras = scm_vector (ras);
ve = SCM_VELTS (ras);
}
for (; i <= n; i++, i0 += inc0, i1 += inc1)
{
args = SCM_EOL;
for (k = SCM_INUM (scm_uniform_vector_length (ras)); k--;)
args = scm_cons (scm_uniform_vector_ref (ve[k], SCM_MAKINUM (i)), args);
args = scm_cons2 (scm_cvref (ra0, i0, SCM_UNDEFINED), scm_cvref (ra1, i1, SCM_UNDEFINED), args);
scm_apply_0 (proc, args);
}
}
return 1;
}
SCM_DEFINE (scm_array_for_each, "array-for-each", 2, 0, 1,
(SCM proc, SCM ra0, SCM lra),
"Apply @var{proc} to each tuple of elements of @var{array0} @dots{}\n"
"in row-major order. The value returned is unspecified.")
#define FUNC_NAME s_scm_array_for_each
{
SCM_VALIDATE_PROC (1,proc);
SCM_VALIDATE_REST_ARGUMENT (lra);
scm_ramapc (rafe, proc, ra0, lra, FUNC_NAME);
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE (scm_array_index_map_x, "array-index-map!", 2, 0, 0,
(SCM ra, SCM proc),
"Apply @var{proc} to the indices of each element of @var{array} in\n"
"turn, storing the result in the corresponding element. The value\n"
"returned and the order of application are unspecified.\n\n"
"One can implement @var{array-indexes} as\n"
"@lisp\n"
"(define (array-indexes array)\n"
" (let ((ra (apply make-array #f (array-shape array))))\n"
" (array-index-map! ra (lambda x x))\n"
" ra))\n"
"@end lisp\n"
"Another example:\n"
"@lisp\n"
"(define (apl:index-generator n)\n"
" (let ((v (make-uniform-vector n 1)))\n"
" (array-index-map! v (lambda (i) i))\n"
" v))\n"
"@end lisp")
#define FUNC_NAME s_scm_array_index_map_x
{
unsigned long i;
SCM_VALIDATE_NIM (1,ra);
SCM_VALIDATE_PROC (2,proc);
switch (SCM_TYP7(ra))
{
default:
badarg:SCM_WRONG_TYPE_ARG (1, ra);
case scm_tc7_vector:
case scm_tc7_wvect:
{
SCM *ve = SCM_VELTS (ra);
for (i = 0; i < SCM_VECTOR_LENGTH (ra); i++)
ve[i] = scm_call_1 (proc, SCM_MAKINUM (i));
return SCM_UNSPECIFIED;
}
case scm_tc7_string:
case scm_tc7_byvect:
case scm_tc7_bvect:
case scm_tc7_uvect:
case scm_tc7_ivect:
case scm_tc7_svect:
#ifdef HAVE_LONG_LONGS
case scm_tc7_llvect:
#endif
case scm_tc7_fvect:
case scm_tc7_dvect:
case scm_tc7_cvect:
{
unsigned long int length = SCM_INUM (scm_uniform_vector_length (ra));
for (i = 0; i < length; i++)
scm_array_set_x (ra, scm_call_1 (proc, SCM_MAKINUM (i)),
SCM_MAKINUM (i));
return SCM_UNSPECIFIED;
}
case scm_tc7_smob:
SCM_ASRTGO (SCM_ARRAYP (ra), badarg);
{
SCM args = SCM_EOL;
SCM inds = scm_make_uve (SCM_ARRAY_NDIM (ra), SCM_MAKINUM (-1L));
long *vinds = (long *) SCM_VELTS (inds);
int j, k, kmax = SCM_ARRAY_NDIM (ra) - 1;
if (kmax < 0)
return scm_array_set_x (ra, scm_call_0 (proc), SCM_EOL);
for (k = 0; k <= kmax; k++)
vinds[k] = SCM_ARRAY_DIMS (ra)[k].lbnd;
k = kmax;
do
{
if (k == kmax)
{
vinds[k] = SCM_ARRAY_DIMS (ra)[k].lbnd;
i = cind (ra, inds);
for (; vinds[k] <= SCM_ARRAY_DIMS (ra)[k].ubnd; vinds[k]++)
{
for (j = kmax + 1, args = SCM_EOL; j--;)
args = scm_cons (SCM_MAKINUM (vinds[j]), args);
scm_array_set_x (SCM_ARRAY_V (ra),
scm_apply_0 (proc, args),
SCM_MAKINUM (i));
i += SCM_ARRAY_DIMS (ra)[k].inc;
}
k--;
continue;
}
if (vinds[k] < SCM_ARRAY_DIMS (ra)[k].ubnd)
{
vinds[k]++;
k++;
continue;
}
vinds[k] = SCM_ARRAY_DIMS (ra)[k].lbnd - 1;
k--;
}
while (k >= 0);
return SCM_UNSPECIFIED;
}
}
}
#undef FUNC_NAME
static int
raeql_1 (SCM ra0,SCM as_equal,SCM ra1)
{
SCM e0 = SCM_UNDEFINED, e1 = SCM_UNDEFINED;
unsigned long i0 = 0, i1 = 0;
long inc0 = 1, inc1 = 1;
unsigned long n;
ra1 = SCM_CAR (ra1);
if (SCM_ARRAYP(ra0))
{
n = SCM_ARRAY_DIMS (ra0)->ubnd - SCM_ARRAY_DIMS (ra0)->lbnd + 1;
i0 = SCM_ARRAY_BASE (ra0);
inc0 = SCM_ARRAY_DIMS (ra0)->inc;
ra0 = SCM_ARRAY_V (ra0);
}
else
n = SCM_INUM (scm_uniform_vector_length (ra0));
if (SCM_ARRAYP (ra1))
{
i1 = SCM_ARRAY_BASE (ra1);
inc1 = SCM_ARRAY_DIMS (ra1)->inc;
ra1 = SCM_ARRAY_V (ra1);
}
switch (SCM_TYP7 (ra0))
{
case scm_tc7_vector:
case scm_tc7_wvect:
default:
for (; n--; i0 += inc0, i1 += inc1)
{
if (SCM_FALSEP (as_equal))
{
if (SCM_FALSEP (scm_array_equal_p (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1))))
return 0;
}
else if (SCM_FALSEP (scm_equal_p (RVREF (ra0, i0, e0), RVREF (ra1, i1, e1))))
return 0;
}
return 1;
case scm_tc7_string:
{
char *v0 = SCM_STRING_CHARS (ra0) + i0;
char *v1 = SCM_STRING_CHARS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
case scm_tc7_byvect:
{
char *v0 = ((char *) SCM_UVECTOR_BASE (ra0)) + i0;
char *v1 = ((char *) SCM_UVECTOR_BASE (ra1)) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
case scm_tc7_bvect:
for (; n--; i0 += inc0, i1 += inc1)
if (SCM_BITVEC_REF (ra0, i0) != SCM_BITVEC_REF (ra1, i1))
return 0;
return 1;
case scm_tc7_uvect:
case scm_tc7_ivect:
{
long *v0 = (long *) SCM_VELTS (ra0) + i0;
long *v1 = (long *) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
case scm_tc7_svect:
{
short *v0 = (short *) SCM_VELTS (ra0) + i0;
short *v1 = (short *) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
#ifdef HAVE_LONG_LONGS
case scm_tc7_llvect:
{
long long *v0 = (long long *) SCM_VELTS (ra0) + i0;
long long *v1 = (long long *) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
#endif
case scm_tc7_fvect:
{
float *v0 = (float *) SCM_VELTS (ra0) + i0;
float *v1 = (float *) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
case scm_tc7_dvect:
{
double *v0 = (double *) SCM_VELTS (ra0) + i0;
double *v1 = (double *) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
if (*v0 != *v1)
return 0;
return 1;
}
case scm_tc7_cvect:
{
double (*v0)[2] = (double (*)[2]) SCM_VELTS (ra0) + i0;
double (*v1)[2] = (double (*)[2]) SCM_VELTS (ra1) + i1;
for (; n--; v0 += inc0, v1 += inc1)
{
if ((*v0)[0] != (*v1)[0])
return 0;
if ((*v0)[1] != (*v1)[1])
return 0;
}
return 1;
}
}
}
static int
raeql (SCM ra0,SCM as_equal,SCM ra1)
{
SCM v0 = ra0, v1 = ra1;
scm_t_array_dim dim0, dim1;
scm_t_array_dim *s0 = &dim0, *s1 = &dim1;
unsigned long bas0 = 0, bas1 = 0;
int k, unroll = 1, vlen = 1, ndim = 1;
if (SCM_ARRAYP (ra0))
{
ndim = SCM_ARRAY_NDIM (ra0);
s0 = SCM_ARRAY_DIMS (ra0);
bas0 = SCM_ARRAY_BASE (ra0);
v0 = SCM_ARRAY_V (ra0);
}
else
{
s0->inc = 1;
s0->lbnd = 0;
s0->ubnd = SCM_INUM (scm_uniform_vector_length (v0)) - 1;
unroll = 0;
}
if (SCM_ARRAYP (ra1))
{
if (ndim != SCM_ARRAY_NDIM (ra1))
return 0;
s1 = SCM_ARRAY_DIMS (ra1);
bas1 = SCM_ARRAY_BASE (ra1);
v1 = SCM_ARRAY_V (ra1);
}
else
{
/*
Huh ? Schizophrenic return type. --hwn
*/
if (1 != ndim)
return 0;
s1->inc = 1;
s1->lbnd = 0;
s1->ubnd = SCM_INUM (scm_uniform_vector_length (v1)) - 1;
unroll = 0;
}
if (SCM_TYP7 (v0) != SCM_TYP7 (v1))
return 0;
for (k = ndim; k--;)
{
if (s0[k].lbnd != s1[k].lbnd || s0[k].ubnd != s1[k].ubnd)
return 0;
if (unroll)
{
unroll = (s0[k].inc == s1[k].inc);
vlen *= s0[k].ubnd - s1[k].lbnd + 1;
}
}
if (unroll && bas0 == bas1 && SCM_EQ_P (v0, v1))
return 1;
return scm_ramapc (raeql_1, as_equal, ra0, scm_cons (ra1, SCM_EOL), "");
}
SCM
scm_raequal (SCM ra0, SCM ra1)
{
return SCM_BOOL(raeql (ra0, SCM_BOOL_T, ra1));
}
#if 0
/* GJB:FIXME:: Why not use SCM_DEFINE1 for array-equal? */
SCM_DEFINE1 (scm_array_equal_p, "array-equal?", scm_tc7_rpsubr,
(SCM ra0, SCM ra1),
"Return @code{#t} iff all arguments are arrays with the same\n"
"shape, the same type, and have corresponding elements which are\n"
"either @code{equal?} or @code{array-equal?}. This function\n"
"differs from @code{equal?} in that a one dimensional shared\n"
"array may be @var{array-equal?} but not @var{equal?} to a\n"
"vector or uniform vector.")
#define FUNC_NAME s_scm_array_equal_p
{
}
#undef FUNC_NAME
#endif
static char s_array_equal_p[] = "array-equal?";
SCM
scm_array_equal_p (SCM ra0, SCM ra1)
{
if (SCM_IMP (ra0) || SCM_IMP (ra1))
callequal:return scm_equal_p (ra0, ra1);
switch (SCM_TYP7(ra0))
{
default:
goto callequal;
case scm_tc7_bvect:
case scm_tc7_string:
case scm_tc7_byvect:
case scm_tc7_uvect:
case scm_tc7_ivect:
case scm_tc7_fvect:
case scm_tc7_dvect:
case scm_tc7_cvect:
case scm_tc7_vector:
case scm_tc7_wvect:
break;
case scm_tc7_smob:
if (!SCM_ARRAYP (ra0))
goto callequal;
}
switch (SCM_TYP7 (ra1))
{
default:
goto callequal;
case scm_tc7_bvect:
case scm_tc7_string:
case scm_tc7_byvect:
case scm_tc7_uvect:
case scm_tc7_ivect:
case scm_tc7_fvect:
case scm_tc7_dvect:
case scm_tc7_cvect:
case scm_tc7_vector:
case scm_tc7_wvect:
break;
case scm_tc7_smob:
if (!SCM_ARRAYP (ra1))
goto callequal;
}
return SCM_BOOL(raeql (ra0, SCM_BOOL_F, ra1));
}
static void
init_raprocs (ra_iproc *subra)
{
for (; subra->name; subra++)
{
SCM sym = scm_str2symbol (subra->name);
SCM var =
scm_sym2var (sym, scm_current_module_lookup_closure (), SCM_BOOL_F);
if (var != SCM_BOOL_F)
subra->sproc = SCM_VARIABLE_REF (var);
else
subra->sproc = SCM_BOOL_F;
}
}
void
scm_init_ramap ()
{
init_raprocs (ra_rpsubrs);
init_raprocs (ra_asubrs);
scm_c_define_subr (s_array_equal_p, scm_tc7_rpsubr, scm_array_equal_p);
scm_smobs[SCM_TC2SMOBNUM (scm_tc16_array)].equalp = scm_raequal;
#ifndef SCM_MAGIC_SNARFER
#include "libguile/ramap.x"
#endif
scm_add_feature (s_scm_array_for_each);
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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