mirror of
https://github.com/apache/nuttx.git
synced 2026-09-21 13:25:12 +08:00
lib/math files not follow coding standard; float, double, and long double versions in separate files to reduce size of dumb link
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5270 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -196,8 +196,9 @@
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/* GCC supports both types double and long long */
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# define CONFIG_HAVE_DOUBLE 1
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# define CONFIG_HAVE_LONG_LONG 1
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# define CONFIG_HAVE_DOUBLE 1
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# define CONFIG_HAVE_LONG_DOUBLE 1
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/* Structures and unions can be assigned and passed as values */
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@@ -301,6 +302,7 @@
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# undef CONFIG_HAVE_LONG_LONG
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# undef CONFIG_HAVE_DOUBLE
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# undef CONFIG_HAVE_LONG_DOUBLE
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/* Structures and unions cannot be passed as values or used
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* in assignments.
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@@ -403,8 +405,9 @@
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* simply do not support long long or double.
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*/
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# undef CONFIG_HAVE_DOUBLE
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# undef CONFIG_HAVE_LONG_LONG
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# undef CONFIG_HAVE_DOUBLE
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# undef CONFIG_HAVE_LONG_DOUBLE
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/* Structures and unions can be assigned and passed as values */
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@@ -441,6 +444,7 @@
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# define inline
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# undef CONFIG_HAVE_LONG_LONG
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# undef CONFIG_HAVE_DOUBLE
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# undef CONFIG_HAVE_LONG_DOUBLE
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# undef CONFIG_CAN_PASS_STRUCTS
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#endif
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@@ -0,0 +1,225 @@
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/****************************************************************************
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* include/nuttx/float.h
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Reference: http://pubs.opengroup.org/onlinepubs/009695399/basedefs/float.h.html
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
|
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "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
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* 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
|
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_FLOAT_H
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#define __INCLUDE_NUTTX_FLOAT_H
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/* TODO: These values could vary with architectures toolchains. This
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* logic should be move at least to the include/arch directory.
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Radix of exponent representation, b. */
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#define FLT_RADIX 2
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/* Number of base-FLT_RADIX digits in the floating-point significand, p. */
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#define FLT_MANT_DIG 24
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MANT_DIG 53
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#else
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# define DBL_MANT_DIG FLT_MANT_DIG
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MANT_DIG DBL_MANT_DIG /* FIX ME */
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#else
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# define LDBL_MANT_DIG DBL_MANT_DIG
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#endif
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/* Number of decimal digits, n, such that any floating-point number in the
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* widest supported floating type with pmax radix b digits can be rounded
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* to a floating-point number with n decimal digits and back again without
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* change to the value.
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*/
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#define DECIMAL_DIG 10
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/* Number of decimal digits, q, such that any floating-point number with q
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* decimal digits can be rounded into a floating-point number with p radix
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* b digits and back again without change to the q decimal digits.
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*/
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#define FLT_DIG 6
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#if CONFIG_HAVE_DOUBLE
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# define DBL_DIG 15 /* 10 */
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#else
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# define DBL_DIG FLT_DIG
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_DIG DBL_DIG /* FIX ME */
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#else
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# define LDBL_DIG DBL_DIG
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#endif
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/* Minimum negative integer such that FLT_RADIX raised to that power minus
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* 1 is a normalized floating-point number, emin.
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*/
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#define FLT_MIN_EXP (-125)
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MIN_EXP (-1021)
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#else
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# define DBL_MIN_EXP FLT_MIN_EXP
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MIN_EXP DBL_MIN_EXP /* FIX ME */
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#else
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# define LDBL_MIN_EXP DBL_MIN_EXP
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#endif
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/* inimum negative integer such that 10 raised to that power is in the range
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* of normalized floating-point numbers.
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*/
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#define FLT_MIN_10_EXP (-37)
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MIN_10_EXP (-307) /* -37 */
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#else
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# define DBL_MIN_10_EXP FLT_MIN_10_EXP
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MIN_10_EXP DBL_MIN_10_EXP /* FIX ME */
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#else
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# define LDBL_MIN_10_EXP DBL_MIN_10_EXP
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#endif
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/* Maximum integer such that FLT_RADIX raised to that power minus 1 is a
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* representable finite floating-point number, emax.
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*/
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#define FLT_MAX_EXP 128
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MAX_EXP 1024
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#else
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# define DBL_MAX_EXP FLT_MAX_EXP
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MAX_EXP DBL_MAX_EXP /* FIX ME */
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#else
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# define LDBL_MAX_EXP DBL_MAX_EXP
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#endif
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/* Maximum integer such that 10 raised to that power is in the range of
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* representable finite floating-point numbers.
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*/
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#define FLT_MAX_10_EXP 38 /* 37 */
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MAX_10_EXP 308 /* 37 */
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#else
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# define DBL_MAX_10_EXP FLT_MAX_10_EXP
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MAX_10_EXP DBL_MAX_10_EXP /* FIX ME */
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#else
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# define LDBL_MAX_10_EXP DBL_MAX_10_EXP
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#endif
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/* Maximum representable finite floating-point number. */
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#define FLT_MAX 3.40282347e+38F /* 1E+37 */
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#if CONFIG_HAVE_DOUBLE
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# define DBL_MAX 1.7976931348623157e+308 /* 1E+37 */
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#else
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# define DBL_MAX FLT_MAX
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MAX DBL_MAX /* FIX ME */
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#else
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# define LDBL_MAX DBL_MAX
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#endif
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/* The difference between 1 and the least value greater than 1 that is
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* representable in the given floating-point type, b1-p.
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*/
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#define FLT_EPSILON 1.1920929e-07F /* 1E-5 */
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#if CONFIG_HAVE_DOUBLE
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# define DBL_EPSILON 2.2204460492503131e-16 /* 1E-9 */
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#else
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# define DBL_EPSILON FLT_EPSILON
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_EPSILON DBL_EPSILON /* FIX ME */
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#else
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# define LDBL_EPSILON DBL_EPSILON
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#endif
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/* Minimum normalized positive floating-point number, bemin -1. */
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#define FLT_MIN 1.17549435e-38F /* 1E-37 */
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#if CONFIG_HAVE_DOUBLE
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#define DBL_MIN 2.2250738585072014e-308 /* 1E-37 */
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#else
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# define DBL_MIN FLT_MIN
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#endif
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#ifdef CONFIG_HAVE_LONG_DOUBLE
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# define LDBL_MIN DBL_MIN /* FIX ME */
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#else
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# define LDBL_MIN DBL_MIN
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#endif
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#endif /* __INCLUDE_NUTTX_FLOAT_H */
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+260
-2
@@ -50,14 +50,272 @@
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#ifdef CONFIG_ARCH_MATH_H
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# include <arch/math.h>
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#endif
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/* If CONFIG_LIB is enabled, then the math library at lib/math will be
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* built. This library was taken from the math library developed for the
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* Rhombus OS by Nick Johnson (https://github.com/nickbjohnson4224/rhombus).
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* The port or the Rhombus math library was contributed by Darcy Gong.
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*/
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#else if defined CONFIG_LIBM
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/****************************************************************************
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* Type Definitions
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* Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
|
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* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
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*
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****************************************************************************/
|
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/****************************************************************************
|
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* Included Files
|
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* General Constants ********************************************************/
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#define INFINITY (1.0/0.0)
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#define NAN (0.0/0.0)
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#define HUGE_VAL INFINITY
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#define isnan(x) ((x) != (x))
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#define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY))
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/* Exponential and Logarithmic constants ************************************/
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#define M_E 2.7182818284590452353602874713526625
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#define M_SQRT2 1.4142135623730950488016887242096981
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#define M_SQRT1_2 0.7071067811865475244008443621048490
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#define M_LOG2E 1.4426950408889634073599246810018921
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#define M_LOG10E 0.4342944819032518276511289189166051
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#define M_LN2 0.6931471805599453094172321214581765
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#define M_LN10 2.3025850929940456840179914546843642
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/* Trigonometric Constants **************************************************/
|
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#define M_PI 3.1415926535897932384626433832795029
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#define M_PI_2 1.5707963267948966192313216916397514
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#define M_PI_4 0.7853981633974483096156608458198757
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#define M_1_PI 0.3183098861837906715377675267450287
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#define M_2_PI 0.6366197723675813430755350534900574
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#define M_2_SQRTPI 1.1283791670955125738961589031215452
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/****************************************************************************
|
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* Public Function Prototypes
|
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****************************************************************************/
|
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|
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* General Functions ********************************************************/
|
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|
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float ceilf (float x);
|
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#if CONFIG_HAVE_DOUBLE
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double ceil (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double ceill (long double x);
|
||||
#endif
|
||||
|
||||
float floorf(float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double floor (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double floorl(long double x);
|
||||
#endif
|
||||
|
||||
float fabsf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double fabs (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double fabsl (long double x);
|
||||
#endif
|
||||
|
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float modff (float x, float *iptr);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double modf (double x, double *iptr);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double modfl (long double x, long double *iptr);
|
||||
#endif
|
||||
|
||||
float fmodf (float x, float div);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double fmod (double x, double div);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double fmodl (long double x, long double div);
|
||||
#endif
|
||||
|
||||
/* Exponential and Logarithmic Functions ************************************/
|
||||
|
||||
float powf (float b, float e);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double pow (double b, double e);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double powl (long double b, long double e);
|
||||
#endif
|
||||
|
||||
float expf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double exp (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double expl (long double x);
|
||||
#endif
|
||||
|
||||
float logf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double log (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double logl (long double x);
|
||||
#endif
|
||||
|
||||
float log10f(float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double log10 (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double log10l(long double x);
|
||||
#endif
|
||||
|
||||
float log2f (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double log2 (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double log2l (long double x);
|
||||
#endif
|
||||
|
||||
float sqrtf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double sqrt (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double sqrtl (long double x);
|
||||
#endif
|
||||
|
||||
float ldexpf(float x, int n);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double ldexp (double x, int n);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double ldexpl(long double x, int n);
|
||||
#endif
|
||||
|
||||
float frexpf(float x, int *exp);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double frexp (double x, int *exp);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double frexpl(long double x, int *exp);
|
||||
#endif
|
||||
|
||||
/* Trigonometric Functions **************************************************/
|
||||
|
||||
float sinf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double sin (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double sinl (long double x);
|
||||
#endif
|
||||
|
||||
float cosf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double cos (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double cosl (long double x);
|
||||
#endif
|
||||
|
||||
float tanf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double tan (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double tanl (long double x);
|
||||
#endif
|
||||
|
||||
float asinf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double asin (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double asinl (long double x);
|
||||
#endif
|
||||
|
||||
float acosf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double acos (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double acosl (long double x);
|
||||
#endif
|
||||
|
||||
float atanf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double atan (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double atanl (long double x);
|
||||
#endif
|
||||
|
||||
float atan2f(float y, float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double atan2 (double y, double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double atan2l(long double y, long double x);
|
||||
#endif
|
||||
|
||||
float sinhf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double sinh (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double sinhl (long double x);
|
||||
#endif
|
||||
|
||||
float coshf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double cosh (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double coshl (long double x);
|
||||
#endif
|
||||
|
||||
float tanhf (float x);
|
||||
#if CONFIG_HAVE_DOUBLE
|
||||
double tanh (double x);
|
||||
#endif
|
||||
#ifdef CONFIG_HAVE_LONG_DOUBLE
|
||||
long double tanhl (long double x);
|
||||
#endif
|
||||
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_LIBM */
|
||||
#endif /* __INCLUDE_NUTTX_MATH_H */
|
||||
|
||||
Reference in New Issue
Block a user