C code for 64-bit arithmetic using 32-bit longs

[M White]

Hello,

The subject line sort-of says it all. Does anyone out there have code to
help me do 64-bit integer arithmetic using 32-bit ints (or longs).

Many thanks in advance

Matthew White
Visualisation Support
Edinburgh Parallel Computing Centre
James Clark Maxwell Building
The Kings Buildings
Mayfield Road
Edinburgh
Scotland, EH9 3JZ

Tel: 031-667 1081

e-mail: M.White at uk.ac.edinburgh


-- 
Matthew White - Visualisation Support - Edinburgh Parallel Computing Centre
"All right, hands up if you think it was a Russian water tentacle." - Abyss