accelerInt  v0.1
dydt.cu
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1 
9 #include "header.cuh"
10 #include "gpu_macros.cuh"
11 
12 #ifdef GENERATE_DOCS
13 //put this in the van der Pol namespace for documentation
14 namespace van_der_pol_cu {
15 #endif
16 
23  __device__
24 void dydt (const double t, const double mu, const double * __restrict__ y, double * __restrict__ dy,
25  const mechanism_memory * __restrict__ d_mem) {
26 
27  // y1' = y2
28  dy[INDEX(0)] = y[INDEX(1)];
29  // y2' = mu(1 - y1^2)y2 - y1
30  dy[INDEX(1)] = mu * (1 - y[INDEX(0)] * y[INDEX(0)]) * y[INDEX(1)] - y[INDEX(0)];
31 
32 } // end dydt
33 
34 
35 #ifdef GENERATE_DOCS
36 }
37 #endif
gpu_macros.cuh
Defines some simple macros to simplify GPU indexing.
van_der_pol_cu::dydt
__device__ void dydt(const double t, const double mu, const double *__restrict__ y, double *__restrict__ dy, const mechanism_memory *__restrict__ d_mem)
An implementation of the RHS of the van der Pol equation.
Definition: dydt.cu:24
header.cuh
An example header file that defines system size, memory functions and other required methods for inte...
van_der_pol_cu::mechanism_memory
This struct is used to store memory for the CUDA RHS and Jacobian evaluation. Along with the solver_m...
Definition: gpu_memory.cuh:25
van_der_pol_cu
Definition: dydt.cu:14
INDEX
#define INDEX(i)
Convenience macro to get the value of a vector at index i, calculated as i * GRID_DIM + T_ID...
Definition: gpu_macros.cuh:24
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