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-rw-r--r--src/vectors.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vectors.h b/src/vectors.h
index cc33ee5..2761202 100644
--- a/src/vectors.h
+++ b/src/vectors.h
@@ -315,6 +315,9 @@ struct vecprops<CCTK_REAL8> {
# define KRANC_DIFF_FUNCTIONS
#endif
+#undef Pi
+#define Pi (ToReal(M_PI))
+
#undef ToReal
#define ToReal(x) (vec_set1((CCTK_REAL)(x)))