H. J. ALGORITItM 93 mainb0dy: WEGSTE N, Editor GENERAL ORDER ARITHMETIC MILLARD H . PERSTEIN C o n t r o l D a t a C o r p . , P a l o A l t o , Calif. initiate: exit: p r o c e d u r e arithmetic (a, b, c, op); i n t e g e r a, b, c, op; Â¢ o n l m e n t This procedure will perform different order arithmetic operations with b and c, p u t t i n g the result in a. The order of the operation is given by op. For op = 1 addition is performed. For op = 2 multiplicaLion, repeated addition, is done. Beyond these the operations are non-commutative. For op = 3 exponentiation, repeated multiplication, is done, raising b to the power c. Beyond these the question of grouping is i m p o r t a n t . The innermost implied parentheses are at the right. The h y p e r - e x p o n e n t is always c. For op = 4 t e t r a
Communications of the ACM – Association for Computing Machinery
Published: Jun 1, 1962
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