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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* 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 of the License, 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.
*/
#include "ao_scheme.h"
void
ao_scheme_int_write(FILE *out, ao_poly p, bool write)
{
int i = ao_scheme_poly_int(p);
(void) write;
fprintf(out, "%d", i);
}
ao_poly
ao_scheme_do_integerp(struct ao_scheme_cons *cons)
{
#ifdef AO_SCHEME_FEATURE_BIGINT
ao_poly val;
if (!ao_scheme_parse_args(_ao_scheme_atom_pair3f, cons,
AO_SCHEME_POLY, &val,
AO_SCHEME_ARG_END))
return AO_SCHEME_NIL;
switch (ao_scheme_poly_type(val)) {
case AO_SCHEME_INT:
case AO_SCHEME_BIGINT:
return _ao_scheme_bool_true;
default:
return _ao_scheme_bool_false;
}
#else
return ao_scheme_do_typep(_ao_scheme_atom_integer3f, AO_SCHEME_INT, cons);
#endif
}
ao_poly
ao_scheme_do_numberp(struct ao_scheme_cons *cons)
{
#if defined(AO_SCHEME_FEATURE_BIGINT) || defined(AO_SCHEME_FEATURE_FLOAT)
ao_poly val;
if (!ao_scheme_parse_args(_ao_scheme_atom_pair3f, cons,
AO_SCHEME_POLY, &val,
AO_SCHEME_ARG_END))
return AO_SCHEME_NIL;
switch (ao_scheme_poly_type(val)) {
case AO_SCHEME_INT:
#ifdef AO_SCHEME_FEATURE_BIGINT
case AO_SCHEME_BIGINT:
#endif
#ifdef AO_SCHEME_FEATURE_FLOAT
case AO_SCHEME_FLOAT:
#endif
return _ao_scheme_bool_true;
default:
return _ao_scheme_bool_false;
}
#else
return ao_scheme_do_integerp(cons);
#endif
}
#ifdef AO_SCHEME_FEATURE_BIGINT
int32_t
ao_scheme_poly_integer(ao_poly p)
{
switch (ao_scheme_poly_base_type(p)) {
case AO_SCHEME_INT:
return ao_scheme_poly_int(p);
case AO_SCHEME_BIGINT:
return ao_scheme_poly_bigint(p)->value;
}
return 0;
}
ao_poly
ao_scheme_integer_poly(int32_t p)
{
struct ao_scheme_bigint *bi;
if (AO_SCHEME_MIN_INT <= p && p <= AO_SCHEME_MAX_INT)
return ao_scheme_int_poly(p);
bi = ao_scheme_alloc(sizeof (struct ao_scheme_bigint));
bi->value = p;
return ao_scheme_bigint_poly(bi);
}
static void bigint_mark(void *addr)
{
(void) addr;
}
static int bigint_size(void *addr)
{
if (!addr)
return 0;
return sizeof (struct ao_scheme_bigint);
}
static void bigint_move(void *addr)
{
(void) addr;
}
const struct ao_scheme_type ao_scheme_bigint_type = {
.mark = bigint_mark,
.size = bigint_size,
.move = bigint_move,
.name = "bigint",
};
void
ao_scheme_bigint_write(FILE *out, ao_poly p, bool write)
{
struct ao_scheme_bigint *bi = ao_scheme_poly_bigint(p);
(void) write;
fprintf(out, "%d", bi->value);
}
#endif /* AO_SCHEME_FEATURE_BIGINT */
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