1 files changed, 178 insertions, 0 deletions
diff --git a/bcc/misc/test/puzzle.t b/bcc/misc/test/puzzle.t
new file mode 100644
index 0000000..9d2c4ab
--- /dev/null
+++ b/bcc/misc/test/puzzle.t
@@ -0,0 +1,178 @@
+/* puzzle.t - from C puzzle book */
+
+#define puzzle(which) ( puts( "-----which-----\n" ), which() )
+
+main()
+{
+	puzzle( op1 );
+	puzzle( op2 );
+	puzzle( op3 );
+	puzzle( op4 );
+	puzzle( op5 );
+	puzzle( op6 );
+	puzzle( prep1 );
+	puzzle( prep2 );
+}
+
+op1()
+{
+	int x;
+
+	x = - 3 + 4 * 5 - 6; printf("%d\n",x);
+	x = 3 + 4 % 5 - 6; printf("%d\n",x);
+	x = - 3 * 4 % - 6 / 5; printf("%d\n",x);
+	x = ( 7 + 6 ) % 5 /2; printf("%d\n",x);
+}
+
+#define PRINTX printf( "%d\n", x )
+
+op2()
+{
+	int x, y, z;
+
+	x = 2;
+	x *= 3 + 2; PRINTX;
+	x *= y = z = 4; PRINTX;
+	x = y == z; PRINTX;
+	x == (y == z); PRINTX;
+}
+
+#define PRINT(int) printf( "int = %d\n", int )
+
+op3()
+{
+	int x, y, z;
+
+	x = 2; y = 1; z = 0;
+	x = x && y || z; PRINT(x);
+	PRINT( x || ! y && z );
+
+	x = y = 1;
+	z = x ++ - 1; PRINT(x); PRINT(z);
+	z += - x ++ + ++ y;PRINT(x);PRINT(z);
+	z = x / ++ x; PRINT(z);
+}
+
+op4()
+{
+	int x, y, z;
+
+	x = 03; y = 02; z = 01;
+	PRINT( x | y & z );
+	PRINT( x | y & ~ z );
+	PRINT( x ^ y & ~ z );
+	PRINT( x & y && z );
+
+	x = 1; y = -1;
+	PRINT( ! x | x );
+	PRINT( ~ x | x );
+	PRINT( x ^ x );
+	x <<= 3; PRINT(x);
+	y <<= 3; PRINT(y);
+	y >>= 3; PRINT(y);
+}
+
+op5()
+{
+	int x, y, z;
+
+	x = 1; y = 1; z = 1;
+
+	x += y += z;
+	PRINT( x < y ? y : x );
+
+	PRINT( x < y ? x ++ : y ++ );
+	PRINT(x); PRINT(y);
+
+	PRINT( z += x < y ? x ++ : y ++ );
+	PRINT(y); PRINT(z);
+
+	x = 3; y=z=4;
+	PRINT( (z >= y >= x) ? 1 : 0 );
+	PRINT( z >= y && y >= x );
+}
+
+#define PRINT3(x,y,z) printf("x=%d\ty=%d\tz=%d\n",x,y,z)
+
+op6()
+{
+	int x, y, z;
+
+	x = y = z = 1;
+	++x || ++y && ++z; PRINT3(x,y,z);
+
+	x = y = z = 1;
+	++x && ++y || ++z; PRINT3(x,y,z);
+
+	x = y = z = 1;
+	++x && ++y && ++z; PRINT3(x,y,z);
+
+	x = y = z = -1;
+	++x && ++y || ++z; PRINT3(x,y,z);
+
+	x = y = z = -1;
+	++x || ++y && ++z; PRINT3(x,y,z);
+
+	x = y = z = -1;
+	++x && ++y && ++z; PRINT3(x,y,z);
+}
+
+#define FUDGE(k) k+3
+#define PR(a) printf("a= %d\t",(int)(a))
+#define PRINTNEW(a) PR(a); putchar( '\n' );
+#define PRINT2(a,b) PR(a); PRINT(b)
+#define PRINT3NEW(a,b,c) PR(a); PRINT2(b,c)
+#define MAX(a,b) (a<b ? b : a )
+
+prep1()
+{
+	{
+		int x;
+		x = 2;
+		PRINTNEW( x*FUDGE(2) );
+	}
+	{
+		int cel;
+		for( cel=0; cel<=100; cel+=50 )
+			PRINT2( cel, 9/5*cel+32 );
+	}
+	{
+		int x, y;
+		x=1; y=2;
+		PRINT3NEW( MAX(x++,y),x,y );
+		PRINT3NEW( MAX(x++,y),x,y );
+	}
+}
+
+#define NEG(a)-a
+#define weeks(mins) (days(mins)/7)
+#define days(mins) (hours(mins)/24)
+#define hours(mins) (mins/60)
+#define mins(secs) (secs/60)
+#define TAB(c,i,oi,tx) if(c=='\t')\
+						for(tx=8-(i-oi-1)%8,oi=i; tx; tx--)\
+							putchar(' ')
+
+static char *input = "\twhich\tif?";
+
+prep2()
+{
+	{
+		int x;
+		x=1;
+		PRINT( -NEG(x) );
+	}
+	{
+		PRINT( weeks(10080) );
+		PRINT( days(mins(86400)) );
+	}
+	{
+		char c;
+		int i, oldi, temp;
+
+		for( oldi= -1,i=0; (c=input[i])!='\0'; i++ )
+			if( c<' ' ) TAB(c,i,oldi,temp);
+			else putchar(c);
+			putchar('\n');
+	}
+}