Example 4 Code complexity metrics

$ cat /tmp/example.c

#include <stdio.h> #include <pthread.h>

#define INDEX 500

pthread_mutex_t mutex;

int mata[INDEX][INDEX], matb[INDEX][INDEX], matres[INDEX][INDEX] ; void print_output();

void matrix_multiply() { int i, j, k ;

/* Matrix-Matrix multiply */ for (i = 0 ; i < INDEX ; i++) {

for (k = 0 ; k < INDEX ; k++) { for (j = 0 ; j < INDEX ; j++) {

matres[i][j] = matres[i][j] +

mata[i][k] * matb[k][j] ;

}

}

}

print_output(); /* print the result of multiplication */ return;

}

$ cadvise +metrics aCC -c /tmp/example.c

$ cat example.metrics

=======================================================================

Begin program complexity data for /tmp/example.c

=======================================================================

File level program complexity data :

------------------------------------

Include Files: 2

Total Lines: 23

Blank Lines: 3

Comment Lines: 1

Lines Of Code: 19

Mixed Lines: 1

No. of Globals: 4

No. of Statics: 0

No. of Functions: 1

No. of ExternFunctions: 1

No. of Global Thread Local Variables: 0

No. of Static Thread Local Variables: 0

No. of Global Mutexes: 1

No. of Static Mutexes: 0

Function level program complexity data :

----------------------------------------

Begin Function: matrix_multiply

Signature: void matrix_multiply()

Total Lines: 15

Blank Lines: 1

Comment Lines: 1

Lines of Code: 13

Mixed Lines: 1

16 Using Cadvise

Page 16
Image 16
HP UX Web Development Tools manual Example 4 Code complexity metrics, $ cat /tmp/example.c