Release calc version 2.10.2t30

help/isset

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+NAME
+    isset - whether a given binary bit is set in a value
+
+SYNOPSIS
+    isset(x, y)
+
+TYPES
+    x		real
+    y		int
+
+    return	int
+
+DESCRIPTION
+    Determine if the binary bit y is set in x.  If:
+
+	     x
+	int(---) mod 2 == 1
+	    2^y
+
+    return 1, otherwise return 0.
+
+EXAMPLE
+    > print isset(9,0), isset(9,1), isset(9,2), isset(9,3)
+    1 0 0 1
+
+    > print isset(9,4), isset(0,0), isset(9,-1)
+    0 0 0
+
+    > print isset(1.25, -2), isset(1.25, -1), isset(1.25, 0)
+    1 0 1
+
+    > p = pi()
+    > print isset(p, 1), isset(p, -2), isset(p, -3)
+    1 0 1
+
+LIMITS
+    -2^31 < y < 2^31
+
+LIBRARY
+    BOOL qisset(NUMBER *x, long y)
+
+SEE ALSO
+    highbit, lowbit