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author | Olivier Houchard <cognet@FreeBSD.org> | 2004-05-14 11:46:45 +0000 |
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committer | Olivier Houchard <cognet@FreeBSD.org> | 2004-05-14 11:46:45 +0000 |
commit | 6fc729af6302dafea6d55379b7175fb40c81ac4d (patch) | |
tree | 3eb2afc6dea26c92444202ed2d06bac484ff40ae /sys/arm/include/float.h | |
parent | 0025fb0f4fd82acbf0aafca184feebdc4e37f6ea (diff) | |
download | src-6fc729af6302dafea6d55379b7175fb40c81ac4d.tar.gz src-6fc729af6302dafea6d55379b7175fb40c81ac4d.zip |
Import FreeBSD/arm kernel bits.
It only supports sa1110 (on simics) right now, but xscale support should come
soon.
Some of the initial work has been provided by :
Stephane Potvin <sepotvin at videotron.ca>
Most of this comes from NetBSD.
Notes
Notes:
svn path=/head/; revision=129198
Diffstat (limited to 'sys/arm/include/float.h')
-rw-r--r-- | sys/arm/include/float.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/arm/include/float.h b/sys/arm/include/float.h new file mode 100644 index 000000000000..2cbdcafc3d98 --- /dev/null +++ b/sys/arm/include/float.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)float.h 7.1 (Berkeley) 5/8/90 + * $FreeBSD$ + */ + +#ifndef _MACHINE_FLOAT_H_ +#define _MACHINE_FLOAT_H_ 1 + +#define FLT_RADIX 2 /* b */ +#define FLT_ROUNDS 1 /* FP addition rounds to nearest */ +#define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */ +#define DECIMAL_DIG 21 /* max precision in decimal digits */ + +#define FLT_MANT_DIG 24 /* p */ +#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ +#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ +#define FLT_MIN_EXP (-125) /* emin */ +#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ +#define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ +#define FLT_MAX_EXP 128 /* emax */ +#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ +#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ + +#define DBL_MANT_DIG 53 +#define DBL_EPSILON 2.2204460492503131E-16 +#define DBL_DIG 15 +#define DBL_MIN_EXP (-1021) +#define DBL_MIN 2.2250738585072014E-308 +#define DBL_MIN_10_EXP (-307) +#define DBL_MAX_EXP 1024 +#define DBL_MAX 1.7976931348623157E+308 +#define DBL_MAX_10_EXP 308 + + +#define LDBL_MANT_DIG 64 +#define LDBL_EPSILON 1.0842021724855044340E-19L +#define LDBL_DIG 18 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MIN 3.3621031431120935063E-4932L +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_EXP 16384 +#define LDBL_MAX 1.1897314953572317650E+4932L +#define LDBL_MAX_10_EXP 4932 +#endif /* _MACHINE_FLOAT_H_ */ |