/* n_13_5.c:    Arithmetic conversion in #if expressions.   */

#include    "defs.h"

main( void)

{

    fputs( "started\n", stderr);

/* 13.5:    The usual arithmetic conversion is not performed on bit shift.  */

#if     -1 << 3U > 0

    fputs( "Bad conversion of bit shift operands.\n", stderr);

    exit( 1);

#endif

/* 13.6:    Usual arithmetic conversions.   */

#if     -1 <= 0U        /* -1 is converted to unsigned long.    */

    fputs( "Bad arithmetic conversion.\n", stderr);

    exit( 1);

#endif

#if     -1 * 1U <= 0

    fputs( "Bad arithmetic conversion.\n", stderr);

    exit( 1);

#endif

/* Second and third operands of conditional operator are converted to the

        same type, thus -1 is converted to unsigned long.    */

#if     (1 ? -1 : 0U) <= 0

    fputs( "Bad arithmetic conversion.\n", stderr);

    exit( 1);

#endif

    fputs( "success\n", stderr);

    return  0;

}