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-rw-r--r--src/pj_mlfn.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pj_mlfn.cpp b/src/pj_mlfn.cpp
index 02e05c3a..e032e642 100644
--- a/src/pj_mlfn.cpp
+++ b/src/pj_mlfn.cpp
@@ -27,8 +27,8 @@ double *pj_enfn(double es) {
double t, *en;
en = (double *) pj_malloc(EN_SIZE * sizeof (double));
- if (0==en)
- return 0;
+ if (nullptr==en)
+ return nullptr;
en[0] = C00 - es * (C02 + es * (C04 + es * (C06 + es * C08)));
en[1] = es * (C22 - es * (C04 + es * (C06 + es * C08)));