protect OpenMP pragma with preprocessor define

2021-06-05 16:24:39 -04:00
parent 655c7b02ec
commit c5c9a27593
1 changed files with 3 additions and 1 deletions
--- a/src/USER-DIELECTRIC/fix_polarize_functional.cpp
+++ b/src/USER-DIELECTRIC/fix_polarize_functional.cpp
@ -1123,7 +1123,9 @@ void FixPolarizeFunctional::calculate_grad_greens_ewald(double *vec,
 void FixPolarizeFunctional::calculate_matrix_multiply_vector(double **matrix,
  double *in_vec, double *out_vec, int M)
 {
-  #pragma parallel omp for
+#if defined(OPENMP)
+#pragma parallel omp for
+#endif
  for (int k = 0; k < M; ++k) {
    double temp = 0.0;
    for (int l = 0; l < M; ++l) {