![]() Issue 4 is the only one that you may reasonably expect to be addressed in this forum. Are the results reasonable? Are they correct?.Is the compiler being used correctly, and is its behavior correct?.Does the program correctly implement the numerical method?.What is the numerical method used to solve the equations?.What is the physical problem being solved? We need a precise description and the simplifying assumptions and justifications, and a listing of the governing equations.Sina, there are many separate issues here, as I attempted to convey to you in #6. For example, the forward difference method for solving the diffusion equation is unstable for α Δt / Δx 2 > 1/2, where α is the diffusivity, Δt and Δx are the discrete step-sizes of t and x. ![]() At this point, it is not even clear that you need the capabilities of IMSL that are not available in MKL.įinally, given an algorithm with some tuning parameters, it is perfectly reasonable that the algorithm diverges for certain values of those parameters. Intel Fortran can be bought with IMSL, but that can be expensive. We could try to decipher what these might be by perusing the source code, but that would be a waste of time when you could easily tell us in a few words. We do not know what your program calculates, the mathematical description of the problem or the nature of the algorithm used. Your program is quite small, so there is no point in looking for a SuperPowerStation compiler, nor is it clear what you mean by "powerful compiler". According to what you wrote, it fails to compile one of your sources because of an internal compiler error. There seem to be many preconceptions thrashing about.
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