7 #ifndef HEADER_GUARD_CUH     8 #define HEADER_GUARD_CUH    12 #include "gou_memory.cuh" Defines some simple macros to simplify GPU indexing. 
void apply_reverse_mask(double *y_host)
Not needed for van der Pol. 
void apply_mask(double *y_host)
Not needed for van der Pol. 
void set_same_initial_conditions(int NUM, double **y_host, double **var_host)
Set same ICs for all problems.