Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed
arrows point from an interface to procedures which implement that interface.
This could include the module procedures in a generic interface or the
implementation in a submodule of an interface in a parent module.
Source Code
function exponentialrnd(mean)result(c)real(8)::mean,cif(mean<=0d0)then write(*,*)"EXPONENTIALRND: mean must be positive"elsec=-mean*log(mersenne())end ifend function exponentialrnd