source: doc/generic_types/evaluation/c-bench.c@ 87c5f40

#include <stdlib.h>
#include "bench.h"
#include "c-pair.h"
#include "c-stack.h"

_Bool* new_bool( _Bool b ) {
        _Bool* q = malloc(sizeof(_Bool));
        *q = b;
        return q;
}

char* new_char( char c ) {
        char* q = malloc(sizeof(char));
        *q = c;
        return q;
}

int* new_int( int i ) {
        int* q = malloc(sizeof(int));
        *q = i;
        return q;
}

void* copy_bool( const void* p ) { return new_bool( *(const _Bool*)p ); }

void* copy_char( const void* p ) { return new_char( *(const char*)p ); }

void* copy_int( const void* p ) { return new_int( *(const int*)p ); }

void* copy_pair_bool_char( const void* p ) { return copy_pair( p, copy_bool, copy_char ); }

void free_pair_bool_char( void* p ) { free_pair( p, free, free ); }

int cmp_bool( const void* a, const void* b ) {
        return *(const _Bool*)a == *(const _Bool*)b ? 0 : *(const _Bool*)a < *(const _Bool*)b ? -1 : 1;
}

int cmp_char( const void* a, const void* b ) {
        return *(const char*)a == *(const char*)b ? 0 : *(const char*)a < *(const char*)b ? -1 : 1;
}

int main(int argc, char** argv) {
        srand(20171025);

        struct stack s = new_stack();
        REPEAT_TIMED( "push_int",
                push_stack(&s, new_int( rand() ));
        )

        struct stack t;
        TIMED( "copy_int",
                copy_stack(&t, &s, copy_int);
        )

        TIMED( "clear_int",
                clear_stack(&s, free);
        )

        int max = 0;
        REPEAT_TIMED( "pop_int", 
                int* x = pop_stack(&t);
                if ( *x > max ) { max = *x; }
                free(x);
        )

        struct stack s2 = new_stack();
        REPEAT_TIMED( "push_bool_char", 
                push_stack(&s2, new_pair( new_bool( rand() & 0x1 ), new_char( rand() & 0x7F ) ));
        )

        struct stack t2;
        TIMED( "copy_bool_char", 
                copy_stack(&t2, &s2, copy_pair_bool_char);
        )

        TIMED( "clear_bool_char", 
                clear_stack(&s2, free_pair_bool_char);
        )

        struct pair* max2 = new_pair( new_bool(0), new_char('\0') );
        REPEAT_TIMED( "pop_bool_char", 
                struct pair* x = pop_stack(&t2);
                if ( cmp_pair( x, max2, cmp_bool, cmp_char ) > 0 ) {
                        free_pair_bool_char( max2 );
                        max2 = x;
                } else {
                        free_pair_bool_char( x );
                }
        )
        free_pair_bool_char( max2 );
}