diff options
Diffstat (limited to 'src/scheme/ao_scheme_float.c')
| -rw-r--r-- | src/scheme/ao_scheme_float.c | 161 | 
1 files changed, 0 insertions, 161 deletions
| diff --git a/src/scheme/ao_scheme_float.c b/src/scheme/ao_scheme_float.c deleted file mode 100644 index 483035f9..00000000 --- a/src/scheme/ao_scheme_float.c +++ /dev/null @@ -1,161 +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_scheme.h" -#include <math.h> - -#ifdef AO_SCHEME_FEATURE_FLOAT - -static void float_mark(void *addr) -{ -	(void) addr; -} - -static int float_size(void *addr) -{ -	if (!addr) -		return 0; -	return sizeof (struct ao_scheme_float); -} - -static void float_move(void *addr) -{ -	(void) addr; -} - -const struct ao_scheme_type ao_scheme_float_type = { -	.mark = float_mark, -	.size = float_size, -	.move = float_move, -	.name = "float", -}; - -#ifndef FLOAT_FORMAT -#define FLOAT_FORMAT "%g" -#endif - -void -ao_scheme_float_write(FILE *out, ao_poly p, bool write) -{ -	struct ao_scheme_float *f = ao_scheme_poly_float(p); -	float	v = f->value; - -	(void) write; -	if (isnanf(v)) -		fputs("+nan.0", out); -	else if (isinff(v)) { -		if (v < 0) -			putc('-', out); -		else -			putc('+', out); -		fputs("inf.0", out); -	} else -		fprintf(out, FLOAT_FORMAT, v); -} - -float -ao_scheme_poly_number(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; -	case AO_SCHEME_OTHER: -		switch (ao_scheme_other_type(ao_scheme_poly_other(p))) { -		case AO_SCHEME_FLOAT: -			return ao_scheme_poly_float(p)->value; -		} -	} -	return NAN; -} - -ao_poly -ao_scheme_float_get(float value) -{ -	struct ao_scheme_float	*f; - -	f = ao_scheme_alloc(sizeof (struct ao_scheme_float)); -	f->type = AO_SCHEME_FLOAT; -	f->value = value; -	return ao_scheme_float_poly(f); -} - -ao_poly -ao_scheme_do_inexactp(struct ao_scheme_cons *cons) -{ -	ao_poly	val; - -	if (!ao_scheme_parse_args(_ao_scheme_atom_inexact3f, cons, -				  AO_SCHEME_POLY, &val, -				  AO_SCHEME_ARG_END)) -		return AO_SCHEME_NIL; -	if (ao_scheme_poly_type(val) == AO_SCHEME_FLOAT) -		return _ao_scheme_bool_true; -	return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_finitep(struct ao_scheme_cons *cons) -{ -	ao_poly	val; -	float	f; - -	if (!ao_scheme_parse_args(_ao_scheme_atom_inexact3f, 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; -	case AO_SCHEME_FLOAT: -		f = ao_scheme_poly_float(val)->value; -		if (!isnan(f) && !isinf(f)) -			return _ao_scheme_bool_true; -	} -	return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_infinitep(struct ao_scheme_cons *cons) -{ -	ao_poly	val; -	float	f; - -	if (!ao_scheme_parse_args(_ao_scheme_atom_inexact3f, cons, -				  AO_SCHEME_POLY, &val, -				  AO_SCHEME_ARG_END)) -		return AO_SCHEME_NIL; -	switch (ao_scheme_poly_type(val)) { -	case AO_SCHEME_FLOAT: -		f = ao_scheme_poly_float(val)->value; -		if (isinf(f)) -			return _ao_scheme_bool_true; -	} -	return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_sqrt(struct ao_scheme_cons *cons) -{ -	float	f; - -	if (!ao_scheme_parse_args(_ao_scheme_atom_sqrt, cons, -				  AO_SCHEME_FLOAT, &f, -				  AO_SCHEME_ARG_END)) -		return AO_SCHEME_NIL; -	return ao_scheme_float_get(sqrtf(f)); -} -#endif | 
