BEGIN { N = 22/7 printf(" %.15f\n", N) printf("* %.10f\n", N) # default RNDMODE="N"; printf("N %.10f\n", N) RNDMODE="U"; printf("U %.10f\n", N) RNDMODE="D"; printf("D %.10f\n", N) RNDMODE="Z"; printf("Z %.10f\n", N) N = -N RNDMODE="N"; printf("N %.10f\n", N) RNDMODE="U"; printf("U %.10f\n", N) RNDMODE="D"; printf("D %.10f\n", N) RNDMODE="Z"; printf("Z %.10f\n", N) }