Sha256: 9eba25dc09752023b809a25fc15bb5c9e861242c595f34d3782bc0dd67382252
Contents?: true
Size: 1.3 KB
Versions: 5
Compression:
Stored size: 1.3 KB
Contents
# A factorial with default stack depth.
sdef(:fact) do |n|
hprint("n=",n,"\n")
sif(n > 1) { sreturn(n*fact(n-1,20)) } #Recurse setting the stack depth to 20
selse { sreturn(1) }
end
# A factiorial with very low stack depth for checking overflow.
sdef(:fact_over,2,proc { stack_overflow_error <= 1 }) do |n|
hprint("n2=",n,"\n")
sif(n > 1) { sreturn(n*fact_over(n-1)) }
selse { sreturn(1) }
end
# Checking the usage of sequencers functions.
system :my_seqencer do
inner :clk,:rst
[16].inner :val
[16].inner :res
inner stack_overflow_error: 0
sequencer(clk.posedge,rst) do
5.stimes do |i|
val <= i
res <= fact(val)
hprint("res=",res,"\n")
end
hprint("Going to overflow...\n")
4.stimes do |i|
val <= i
res <= fact_over(val)
hprint("res=",res,"\n")
end
hprint("stack_overflow_error=",stack_overflow_error,"\n")
end
timed do
clk <= 0
rst <= 0
!10.ns
clk <= 1
!10.ns
clk <= 0
rst <= 1
!10.ns
clk <= 1
!10.ns
clk <= 0
rst <= 0
!10.ns
clk <= 1
repeat(500) do
!10.ns
clk <= ~clk
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems