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- /*
- File: SomeTasks.h
-
- Contains: Some Multi Processing Tasks and utility functions.
-
- Version: 1.0
-
- Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
- ("Apple") in consideration of your agreement to the following terms, and your
- use, installation, modification or redistribution of this Apple software
- constitutes acceptance of these terms. If you do not agree with these terms,
- please do not use, install, modify or redistribute this Apple software.
-
- In consideration of your agreement to abide by the following terms, and subject
- to these terms, Apple grants you a personal, non-exclusive license, under Apple’s
- copyrights in this original Apple software (the "Apple Software"), to use,
- reproduce, modify and redistribute the Apple Software, with or without
- modifications, in source and/or binary forms; provided that if you redistribute
- the Apple Software in its entirety and without modifications, you must retain
- this notice and the following text and disclaimers in all such redistributions of
- the Apple Software. Neither the name, trademarks, service marks or logos of
- Apple Computer, Inc. may be used to endorse or promote products derived from the
- Apple Software without specific prior written permission from Apple. Except as
- expressly stated in this notice, no other rights or licenses, express or implied,
- are granted by Apple herein, including but not limited to any patent rights that
- may be infringed by your derivative works or by other works in which the Apple
- Software may be incorporated.
-
- The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
- WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
- WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
- COMBINATION WITH YOUR PRODUCTS.
-
- IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
- OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
- (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- Copyright © 2003 Apple Computer, Inc., All Rights Reserved
- */
-
- #include <Carbon/Carbon.h>
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- #define kSTEndIteration 100000000.0
- #define kSTUIIteration 1000000.0
-
- typedef struct
- {
- EventTargetRef threadControllerTarget;
- double result;
- double iterator;
- } GeneralTaskWorkParams, *GeneralTaskWorkParamsPtr;
-
- typedef struct
- {
- GeneralTaskWorkParams general;
- Boolean sign;
- } LeibnizTaskWorkParams, *LeibnizTaskWorkParamsPtr;
-
- // pi = 4 ( 1 - 1/3 + 1/5 - 1/7 + 1/9 - ...)
- extern OSStatus CalculatingPiUsingLeibnizSimpleTask(void *p);
- extern void * SetUpLeibniz(void);
- extern void TermLeibniz(void * p);
-
- typedef struct
- {
- GeneralTaskWorkParams general;
- double denominator;
- } WallisTaskWorkParams, *WallisTaskWorkParamsPtr;
-
- // pi = 2 ( (2/1) * (2/3) * (4/3) * (4/5) * (6/5) * (6/7) * (...) )
- extern OSStatus CalculatingPiUsingWallisSimpleTask(void *p);
- extern void * SetUpWallis(void);
- extern void TermWallis(void * p);
-
- #ifdef __cplusplus
- }
- #endif
-