From 025538cbf5a01a3aab25418bbd4fdc052144f9c8 Mon Sep 17 00:00:00 2001
From: Ben Wibking <ben@wibking.com>
Date: Thu, 8 Feb 2024 21:08:19 -0500
Subject: [PATCH] Update planck_integral.hpp

---
 src/planck_integral.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/planck_integral.hpp b/src/planck_integral.hpp
index 487cb11d6..fa84fce90 100644
--- a/src/planck_integral.hpp
+++ b/src/planck_integral.hpp
@@ -253,9 +253,9 @@ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE auto integrate_planck_from_0_to_x(const
 	} else {
 		y = interpolate_planck_integral(logx);
 	}
-	assert(!isnan(y));
+	assert(!std::isnan(y));
 	assert(y <= 1.);
 	return y;
 }
 
-#endif // PLANCKINTEGRAL_HPP_
\ No newline at end of file
+#endif // PLANCKINTEGRAL_HPP_