Passing c arrays into fortran as a variable sized matrix

Question

So, i\'ve been commissioned to translate some fortran subroutines into C. These subroutines are being called as part of the control flow of a large porgram based primarily

Answer 1

Have you considered the Fortran ISO C Binding? I've had very good results with it to interface Fortran and C in both directions. My preference is to avoid rewriting existing, tested code. There are a few types that can't be transferred with the current version of the ISO C Binding, so a translation might be necessary.