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27
St-Maxwell
/ backward.f90
Created
October 19, 2021 05:21
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| !> reference: https://github.com/KT19/automatic_differentiation | |
| module backward | |
| use iso_fortran_env, only: real64 | |
| implicit none | |
| type :: node | |
| private | |
| real(kind=real64) :: val | |
| real(kind=real64) :: grad = 0._real64 | |
| type(pair), dimension(:), pointer :: parents |