[Matlab-Based Book]Programming for Chemical Engineers Using C, C++, and MATLAB

1. /*
   
2. *  =====================================================================
   
3. *  Test Pre- and Postincrement Operations
   
4. *                                                                     
   
5. *  Copyright (C) 1998 by Mark Austin and David Chancogne.
   
6. *                                                                     
   
7. *  This software is provided "as is" without express or implied warranty.
   
8. *  Permission is granted to use this software on any computer system,
   
9. *  and to redistribute it freely, subject to the following restrictions:
   
10. *
    
11. *  1. The authors are not responsible for the consequences of use of
    
12. *     this software, even if they arise from defects in the software.
    
13. *  2. The origin of this software must not be misrepresented, either
    
14. *     by explicit claim or by omission.
    
15. *  3. Altered versions must be plainly marked as such, and must not
    
16. *     be misrepresented as being the original software.
    
17. *  4. This notice is to remain intact.
    
18. *
    
19. *  Written by : Mark Austin
    
20. *  =====================================================================
    
21. */
    
22. 
    
23. int main( void ) {
    
24. int iCount1, iCount2;
    
25. 
    
26.    /* [a] : Test Postincrement Operators */
    
27. 
    
28.    iCount1 = 5;
    
29.    printf( "The value of   iCount1 is : %4d\n", iCount1 );
    
30.    printf( "The value of iCount1++ is : %4d\n", iCount1++ );
    
31.    printf( "The value of iCount1-- is : %4d\n\n", iCount1-- );
    
32. 
    
33.    /* [b] : Test Preincrement Operators */
    
34. 
    
35.    iCount1 = 5;
    
36.    printf( "The value of   iCount1 is : %4d\n", iCount1 );
    
37.    printf( "The value of ++iCount1 is : %4d\n", ++iCount1 );
    
38.    printf( "The value of --iCount1 is : %4d\n\n", --iCount1 );
    
39. 
    
40.    /* [c] : Test Pre- and Postincrement Operators */
    
41. 
    
42.    iCount2 = iCount1++;
    
43.    printf( "The value of \"iCount2 = iCount1++\" is : %4d\n", iCount2 );
    
44.    iCount2 = ++iCount1;
    
45.    printf( "The value of \"iCount2 = ++iCount1\" is : %4d\n", iCount2 );
    
46. }

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1. /*
   
2. *  ======================================================================
   
3. *  Combined Resistance of Three Resistors in Parallel
   
4. *
   
5. *  Copyright (C) 1998 by Mark Austin and David Chancogne.
   
6. *                                                                     
   
7. *  This software is provided "as is" without express or implied warranty.
   
8. *  Permission is granted to use this software on any computer system,
   
9. *  and to redistribute it freely, subject to the following restrictions:
   
10. *
    
11. *  1. The authors are not responsible for the consequences of use of
    
12. *     this software, even if they arise from defects in the software.
    
13. *  2. The origin of this software must not be misrepresented, either
    
14. *     by explicit claim or by omission.
    
15. *  3. Altered versions must be plainly marked as such, and must not
    
16. *     be misrepresented as being the original software.
    
17. *  4. This notice is to remain intact.
    
18. *
    
19. *  Written by : Mark Austin
    
20. *  ======================================================================
    
21. */
    
22. 
    
23. #include <stdio.h>
    
24. 
    
25. int main( void ) {
    
26.   float fR1 = 1.5F;
    
27.   float fR2 = 2.5F;
    
28.   float fR3 = 3.5F;
    
29.   float fCombinedResistance;
    
30. 
    
31.   /* [a] : Print properties of individual resistors */
    
32. 
    
33.      printf( "Resistor 1 is %8.3f ohms\n", fR1 );
    
34.      printf( "Resistor 2 is %8.3f ohms\n", fR2 );
    
35.      printf( "Resistor 3 is %8.3f ohms\n", fR3 );
    
36. 
    
37.   /* [b] : Compute and print combined resistance */
    
38. 
    
39.      fCombinedResistance = 1.0 / ( 1.0/fR1 + 1.0/fR2 + 1.0/fR3 );
    
40.      printf( "Combined Resistance is %8.3f ohms\n", fCombinedResistance);
    
41. }

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