99 lines
1.8 KiB
Plaintext
99 lines
1.8 KiB
Plaintext
#include "dec.ocm"
|
|
|
|
proc prompt(value str[])=
|
|
seq i=[1 for str[byte 0]]
|
|
output ! str[byte i]
|
|
:
|
|
def N=20 :
|
|
|
|
var n:
|
|
var A[N*N], x[N], k[N], y[N] :
|
|
|
|
proc initialise=
|
|
var c:
|
|
seq
|
|
prompt("n?*n")
|
|
c:='*s'
|
|
decin(input, n, c)
|
|
|
|
prompt("A?*n")
|
|
seq i= [0 for n]
|
|
seq j= [0 for n]
|
|
decin(input, A[(i*n)+j], c)
|
|
|
|
prompt("x?*n")
|
|
seq i= [0 for n]
|
|
decin(input, x[i], c)
|
|
|
|
prompt("k?*n")
|
|
seq i= [0 for n]
|
|
decin(input, k[i], c) :
|
|
|
|
proc produce.xj(value j, chan south) =
|
|
-- north row: source of x values
|
|
while true
|
|
south ! x[j] :
|
|
|
|
proc consume.yi(value i, chan east) =
|
|
-- west column: read y values
|
|
east ? y[i] :
|
|
|
|
proc offset(value ki, chan west) =
|
|
-- east column: source of k offsets
|
|
while true
|
|
west ! ki :
|
|
|
|
proc multiplier(value aij, chan north, south, west, east) =
|
|
-- middle: responsible for a values
|
|
var xj, aij.times.xj, yi :
|
|
seq
|
|
north ? xj
|
|
while true
|
|
seq
|
|
par
|
|
south ! xj
|
|
aij.times.xj:= aij*xj
|
|
east ? yi
|
|
par
|
|
west ! yi+aij.times.xj
|
|
north ? xj :
|
|
|
|
proc sink(chan north) =
|
|
-- south row: sink for unused outputs
|
|
while true
|
|
north ? any :
|
|
|
|
seq
|
|
initialise
|
|
|
|
chan north.south[(N+1)*N], east.west[N*(N+1)] :
|
|
par
|
|
par j= [0 for n] -- producer of co-ordinates x[j]
|
|
produce.xj(j, north.south[j])
|
|
|
|
par -- the matrix multiplier
|
|
par i= [0 for n]
|
|
offset(k[i], east.west[(n*n)+i])
|
|
par i= [0 for n]
|
|
par j= [0 for n]
|
|
multiplier(A[(n*i)+j],
|
|
north.south[(n*i)+j],
|
|
north.south[(n*(i+1))+j],
|
|
east.west[i+(n*j)],
|
|
east.west[i+(n*(j+1))])
|
|
par j= [0 for n]
|
|
sink(north.south[(n*n)+j])
|
|
|
|
seq
|
|
par i= [0 for n]-- consumer of transformed co-ordinates
|
|
consume.yi(i, east.west[i])
|
|
|
|
seq i= [0 for n]
|
|
seq
|
|
output ! 'y'; '['
|
|
decout(output, i, 0)
|
|
output ! ']'; '='
|
|
decout(output, y[i], 5)
|
|
output ! '*n'
|
|
exit(0)
|