diff options
| author | Bdale Garbee <bdale@gag.com> | 2017-12-05 13:23:09 -0700 | 
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2017-12-05 13:23:09 -0700 | 
| commit | 2f8fce1cf6ce4bd12a836cc8ee15f4edbc95c95e (patch) | |
| tree | 19a1bcb93694eb259f29e9ef9690bb31a9b8fa60 /src/lisp/ao_lisp_float.c | |
| parent | d314a5654fafa5eac86d8293f1197a2f2c2eac72 (diff) | |
| parent | 185b11367cd85948885fceafb5d46303b6f1356d (diff) | |
Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
Diffstat (limited to 'src/lisp/ao_lisp_float.c')
| -rw-r--r-- | src/lisp/ao_lisp_float.c | 148 | 
1 files changed, 0 insertions, 148 deletions
| diff --git a/src/lisp/ao_lisp_float.c b/src/lisp/ao_lisp_float.c deleted file mode 100644 index 0aa6f2ea..00000000 --- a/src/lisp/ao_lisp_float.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright © 2017 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_lisp.h" -#include <math.h> - -static void float_mark(void *addr) -{ -	(void) addr; -} - -static int float_size(void *addr) -{ -	if (!addr) -		return 0; -	return sizeof (struct ao_lisp_float); -} - -static void float_move(void *addr) -{ -	(void) addr; -} - -const struct ao_lisp_type ao_lisp_float_type = { -	.mark = float_mark, -	.size = float_size, -	.move = float_move, -	.name = "float", -}; - -void -ao_lisp_float_write(ao_poly p) -{ -	struct ao_lisp_float *f = ao_lisp_poly_float(p); -	float	v = f->value; - -	if (isnanf(v)) -		printf("+nan.0"); -	else if (isinff(v)) { -		if (v < 0) -			printf("-"); -		else -			printf("+"); -		printf("inf.0"); -	} else -		printf ("%g", f->value); -} - -float -ao_lisp_poly_number(ao_poly p) -{ -	switch (ao_lisp_poly_base_type(p)) { -	case AO_LISP_INT: -		return ao_lisp_poly_int(p); -	case AO_LISP_OTHER: -		switch (ao_lisp_other_type(ao_lisp_poly_other(p))) { -		case AO_LISP_BIGINT: -			return ao_lisp_bigint_int(ao_lisp_poly_bigint(p)->value); -		case AO_LISP_FLOAT: -			return ao_lisp_poly_float(p)->value; -		} -	} -	return NAN; -} - -ao_poly -ao_lisp_float_get(float value) -{ -	struct ao_lisp_float	*f; - -	f = ao_lisp_alloc(sizeof (struct ao_lisp_float)); -	f->type = AO_LISP_FLOAT; -	f->value = value; -	return ao_lisp_float_poly(f); -} - -ao_poly -ao_lisp_do_inexactp(struct ao_lisp_cons *cons) -{ -	if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1)) -		return AO_LISP_NIL; -	if (ao_lisp_poly_type(ao_lisp_arg(cons, 0)) == AO_LISP_FLOAT) -		return _ao_lisp_bool_true; -	return _ao_lisp_bool_false; -} - -ao_poly -ao_lisp_do_finitep(struct ao_lisp_cons *cons) -{ -	ao_poly	value; -	float	f; - -	if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1)) -		return AO_LISP_NIL; -	value = ao_lisp_arg(cons, 0); -	switch (ao_lisp_poly_type(value)) { -	case AO_LISP_INT: -	case AO_LISP_BIGINT: -		return _ao_lisp_bool_true; -	case AO_LISP_FLOAT: -		f = ao_lisp_poly_float(value)->value; -		if (!isnan(f) && !isinf(f)) -			return _ao_lisp_bool_true; -	} -	return _ao_lisp_bool_false; -} - -ao_poly -ao_lisp_do_infinitep(struct ao_lisp_cons *cons) -{ -	ao_poly	value; -	float	f; - -	if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1)) -		return AO_LISP_NIL; -	value = ao_lisp_arg(cons, 0); -	switch (ao_lisp_poly_type(value)) { -	case AO_LISP_FLOAT: -		f = ao_lisp_poly_float(value)->value; -		if (isinf(f)) -			return _ao_lisp_bool_true; -	} -	return _ao_lisp_bool_false; -} - -ao_poly -ao_lisp_do_sqrt(struct ao_lisp_cons *cons) -{ -	ao_poly	value; - -	if (!ao_lisp_check_argc(_ao_lisp_atom_sqrt, cons, 1, 1)) -		return AO_LISP_NIL; -	value = ao_lisp_arg(cons, 0); -	if (!ao_lisp_number_typep(ao_lisp_poly_type(value))) -		return ao_lisp_error(AO_LISP_INVALID, "%s: non-numeric", ao_lisp_poly_atom(_ao_lisp_atom_sqrt)->name); -	return ao_lisp_float_get(sqrtf(ao_lisp_poly_number(value))); -} | 
