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/* |
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* Rounded Arithmetic Routines |
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* by Tom Epperly |
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* Version: $Revision: 1.6 $ |
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* Version control file: $RCSfile: rounded.h,v $ |
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* Date last modified: $Date: 1997/07/30 12:16:59 $ |
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* Last modified by: $Author: mthomas $ |
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* 6/28/89 |
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* |
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* This file is part of the Ascend Language Interpreter. |
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* |
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* Copyright (C) 1990, 1993, 1994 Thomas Guthrie Epperly |
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* |
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* The Ascend Language Interpreter is free software; you can redistribute |
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* it and/or modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* The Ascend Language Interpreter is distributed in hope that it will be |
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with the program; if not, write to the Free Software Foundation, Inc., 675 |
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* Mass Ave, Cambridge, MA 02139 USA. Check the file named COPYING. |
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*/ |
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|
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/** @file |
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* Rounded Arithmetic Routines. |
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* <pre> |
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* When #including rounded.h, make sure these files are #included first: |
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* #include "utilities/ascConfig.h" |
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* </pre> |
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*/ |
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|
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#ifndef ASC_ROUNDED_H |
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#define ASC_ROUNDED_H |
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|
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/** addtogroup compiler Compiler |
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@{ |
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*/ |
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|
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extern double DIPow(register double d, long int n); |
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/**< |
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* <!-- double DIPow(d,n) --> |
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* <!-- double d; --> |
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* <!-- long n; --> |
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* Return d^n rounded downward. |
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*/ |
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|
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extern double UIPow(register double d, long int n); |
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/**< |
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* <!-- double UIPow(d,n) --> |
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* <!-- double d; --> |
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* <!-- long n; --> |
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* Return d^n rounded upward. |
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*/ |
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|
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#ifndef SLOPPY |
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extern double DPow(register double d1, register double d2); |
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/**< |
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* <!-- double DPow(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return the downward rounded result of d1^d2(d1 raised to the power d2). |
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*/ |
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|
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extern double UPow(register double d1, register double d2); |
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/**< |
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* <!-- double UPow(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return the downward rounded result of d1^d2(d1 raised to the power d2). |
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*/ |
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|
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extern double DPlus(register double d1, register double d2); |
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/**< |
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* <!-- double DPlus(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return the downward rounded addition of d1 and d2. |
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*/ |
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|
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extern double UPlus(register double d1, register double d2); |
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/**< |
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* <!-- double UPlus(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return the upward rounded addition of d1 and d2. |
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*/ |
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|
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extern double DMinus(register double d1, register double d2); |
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/**< |
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* <!-- double DMinus(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return d1-d2 with downward rounding. |
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*/ |
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|
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extern double UMinus(register double d1, register double d2); |
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/**< |
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* <!-- double UMinus(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return d1-d2 with upward rounding. |
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*/ |
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|
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extern double DTimes(register double d1, register double d2); |
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/**< |
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* <!-- double DTimes(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return d1*d2 with downward rounding. |
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*/ |
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|
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extern double UTimes(register double d1, register double d2); |
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/**< |
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* <!-- double UTimes(d1,d2) --> |
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* <!-- double d1,d2; --> |
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* Return d1*d2 with upward rounding. |
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*/ |
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|
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extern double DDivide(register double d1, register double d2); |
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/**< |
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* <!-- double DDivide(d1,d2); --> |
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* <!-- double d1,d2; --> |
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* Return d1/d2 with downward rounding. |
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*/ |
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|
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extern double UDivide(register double d1, register double d2); |
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/**< |
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* <!-- double UDivide(d1,d2); --> |
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* <!-- double d1,d2; --> |
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* Return d1/d2 with upward rounding. |
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*/ |
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|
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extern double DSqr(register double d); |
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/**< |
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* <!-- double DSqr(d) --> |
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* <!-- double d; --> |
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* Return sqr(d) with downward rounding. |
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*/ |
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|
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extern double USqr(register double d); |
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/**< |
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* <!-- double USqr(d) --> |
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* <!-- double d; --> |
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* Return sqr(d) with upward rounding. |
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*/ |
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|
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extern double DSqrt(register double d); |
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/**< |
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* <!-- double DSqrt(d); --> |
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* <!-- double d; --> |
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* Return sqrt(d) with downward rounding. |
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*/ |
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|
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extern double USqrt(register double d); |
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/**< |
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* <!-- double USqrt(d) --> |
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* <!-- double d; --> |
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* Return sqrt(d) with upward rounding. |
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*/ |
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|
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extern double DExp(register double d); |
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/**< |
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* <!-- double DExp(d) --> |
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* <!-- double d; --> |
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* Return exp(d) with downward rounding. |
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*/ |
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|
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extern double UExp(register double d); |
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/**< |
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* <!-- double UExp(d) --> |
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* <!-- double d; --> |
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* Return exp(d) with upward rounding. |
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*/ |
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|
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extern double DLog(register double d); |
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/**< |
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* <!-- double DLog(d) --> |
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* <!-- double d; --> |
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* Return log base 10 of d rounded down. |
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*/ |
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|
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extern double ULog(register double d); |
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/**< |
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* <!-- double ULog(d) --> |
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* <!-- double d; --> |
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* Return the log base 10 of d. |
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*/ |
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|
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extern double DLn(register double d); |
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/**< |
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* <!-- double DLn(d) --> |
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* <!-- double d; --> |
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* Return ln(d) (log base e) with downward rounding. |
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*/ |
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|
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extern double ULn(register double d); |
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/**< |
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* <!-- double ULn(d) --> |
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* <!-- double d; --> |
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* Return ln(d) with upward rounding. |
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*/ |
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|
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#ifdef HAVE_ERF |
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extern double DErf(register double d); |
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/**< |
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* <!-- double DErf(d) --> |
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* <!-- double d; --> |
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* Return erf(d) with downward rounding. |
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*/ |
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|
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extern double UErf(register double d); |
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/**< |
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* <!-- double UErf(d) --> |
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* <!-- double d; --> |
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* Return erf(d) with upward rounding. |
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*/ |
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#endif /* HAVE_ERF */ |
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|
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extern double Dltod(long int l); |
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/**< |
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* <!-- double Dltod(l) --> |
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* <!-- long l; --> |
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* Convert long to double with downward rounding. |
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*/ |
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|
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extern double Ultod(long int l); |
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/**< |
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* <!-- double Ultod(l); --> |
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* <!-- long l --> |
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* Convert long to double with upward rounding. |
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*/ |
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|
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#else /* SLOPPY */ |
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#define Dltod(l) ((double)l) |
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#define Ultod(l) ((double)l) |
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#define DPlus(d1,d2) ((d1)+(d2)) |
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#define UPlus(d1,d2) ((d1)+(d2)) |
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#define DMinus(d1,d2) ((d1)-(d2)) |
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#define UMinus(d1,d2) ((d1)-(d2)) |
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#define DTimes(d1,d2) ((d1)*(d2)) |
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#define UTimes(d1,d2) ((d1)*(d2)) |
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#define DDivide(d1,d2) ((d1)/(d2)) |
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#define UDivide(d1,d2) ((d1)/(d2)) |
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#define DSqr(d) ((d)*(d)) |
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#define USqr(d) ((d)*(d)) |
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#define DSqrt(d) (sqrt(d)) |
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#define USqrt(d) (sqrt(d)) |
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#define DExp(d) (exp(d)) |
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#define UExp(d) (exp(d)) |
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#define DLn(d) (log(d)) |
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#define ULn(d) (log(d)) |
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#define DLog(d) (log10(d)) |
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#define ULog(d) (log10(d)) |
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#ifdef HAVE_ERF |
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#define DErf(d) (erf(d)) |
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#define UErf(d) (erf(d)) |
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#endif /* HAVE_ERF */ |
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#define DPow(d1,d2) (pow(d1,d2)) |
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#define UPow(d1,d2) (pow(d1,d2)) |
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#endif /* SLOPPY */ |
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|
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/* @} */ |
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|
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#endif /* ASC_ROUNDED_H */ |
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