#include <stdio.h>
#include <assert.h>
#include <stdlib.h>

#define SHOW(x, fmt) printf( #x ": " fmt "\n", x )

#ifdef ERRS
#define ERR(...) __VA_ARGS__
#else
#define ERR(...)
#endif



int main() {
	float ar[3][10];
	static_assert( sizeof(float) == 4 );	$\C{// floats (atomic elements) are 4 bytes}$
	static_assert( sizeof(void*) == 8 );	$\C{// pointers are 8 bytes}$

	static_assert( sizeof(ar) == 120 );		$\C{// the array, float[3][10]}$
	static_assert( sizeof(ar[0]) == 40 );	$\C{// its first element, float[10]}$
	static_assert( sizeof(ar[0][0]) == 4 );	$\C{// its first grand element, float}$

	static_assert( sizeof(&(ar)) == 8 );	$\C{// pointer to the array, float(*)[3][10]}$
	static_assert( sizeof(&(ar[0])) == 8 );	$\C{// pointer to its first element, float(*)[10]}$
	static_assert( sizeof(&(ar[0][0])) == 8 );	$\C{// pointer to its first grand-element, float*}$

	float (*pa)[3][10] = &(ar);
	float (*pa0)[10] = &(ar[0]);
	float *pa00 = &(ar[0][0]);

	static_assert( (void*)&ar == (void*)&(ar[0] ) );
	static_assert( (void*)&ar == (void*)&(ar[0][0]) );

	assert( (void *) pa == (void *) pa0 );
	assert( (void *) pa == (void *) pa00 );

//	float (*b[3])[10];
	float *b[3];
	for (int i = 0; i < 3; i ++) {
		b[i] = malloc(sizeof(float[10]));
	}
	ar[2][3];
	b[2][3];
/*

*/

}

// Local Variables: //
// compile-command: "sed -f sedcmd bkgd-carray-mdim.c | gcc-11 -Wall -Wextra -x c -" //
// End: //