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-rw-r--r--src/pj_factors.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pj_factors.cpp b/src/pj_factors.cpp
index e4b871a1..768bf585 100644
--- a/src/pj_factors.cpp
+++ b/src/pj_factors.cpp
@@ -21,10 +21,10 @@ int pj_factors(LP lp, const PJ *P, double h, struct FACTORS *fac) {
/* Failing the 3 initial checks will most likely be due to */
/* earlier errors, so we leave errno alone */
- if (0==fac)
+ if (nullptr==fac)
return 1;
- if (0==P)
+ if (nullptr==P)
return 1;
if (HUGE_VAL==lp.lam)