Chilton::ACL::Algol Library Manual

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Applications Associates Literature Society Technology Software revisited

Early history □ Minutes of committee meetings □ Progress reports □ Other reports □ News cuttings □ In-house publications □ Committee papers □ Personal recollections □ ACL publications □ Books □ Early Atlas publications □ FR80 reports □ Atlas manuals □ ICL1906A manuals □ Other manuals

Algol Language □ Algol Library □ Atlas Autocode □ ABL (Atlas Basic Language) □ ABL exercises □ Atlas Supervisor □ Atlas 1 Extracodes □ Atlas 1 Operators □ Atlas 1 Preparing a program □ Atlas 1 Supervisor and Fixed Store routines □ Atlas 1 Supervisor Vol 1 □ Atlas 1 Supervisor Vol 2 □ Atlas 1 Supervisor Vol 3 □ Atlas 1 Features: Early Ferranti paper □ Atlas Testing □ Input/Output for Atlas 1 and 2 □ Atlas Computer: Ferranti Overview □ Atlas Bible □ Atlas 2 Supervisor

ICT96

            procedure classemarkoff(N,P,R,T,F);
integer N;
array P,R,T,F;

Calculation of non-recurring, transient, and persistent states of a Markoff chain from the boolean matrix P associated with the matrix of transition probabilities. N is the number of states, the non-recurring states are in R[1:N] (state i non-recurring if R[i] = 1), T[1:N] contains the transitory states (state i in transitory class k if T[i] = k), F[1:N] contains the final states (i in class k if F[i] = k). The arrays are declared real.

ICT97

            procedure sousclasse cyclique(N,P,L);
integer N;
array P,L;

Computation of cyclic sub-classes of a set of persistent states of a Markoff chain from the boolean matrix P associated with the stochastic matrix of order N. The results are in the rows of L[1:M,1:M] such that the ith subclass is represented by these elements of L such that L[i,j] = 1.

ICT98

            procedure polyweyl(A,X,R,K,M);
integer array A,X;
integer R,M,K;

Random vector X with R components independent, uniformly distributed in [0,1], in integer form with K digits in each component. We have to declare A,X[1:M+R] where M is the smallest integer satisfying M ≥ 10⁹/K. The initial vector A can be formed from the first (M+R)K digits of π.

ICT99

            procedure notlag(T);
real T;

Inverse of the error function:

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