Use constexpr for physical constants and move them into gmx namespace

[alexxy/gromacs.git] / src / gromacs / gmxana / gmx_velacc.cpp

diff --git a/src/gromacs/gmxana/gmx_velacc.cpp b/src/gromacs/gmxana/gmx_velacc.cpp
index 20c21c5b7a58b95d37feef9b443f0718d2bfd06d..b12cfbb021ac3ebf10244cb7682bd85fddb8de6d 100644 (file)
--- a/src/gromacs/gmxana/gmx_velacc.cpp
+++ b/src/gromacs/gmxana/gmx_velacc.cpp
@@ -4,7 +4,7 @@
  * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
  * Copyright (c) 2001-2004, The GROMACS development team.
  * Copyright (c) 2013,2014,2015,2016,2017 by the GROMACS development team.
- * Copyright (c) 2018,2019,2020, by the GROMACS development team, led by
+ * Copyright (c) 2018,2019,2020,2021, by the GROMACS development team, led by
  * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
  * and including many others, as listed in the AUTHORS file in the
  * top-level source directory and at http://www.gromacs.org.
@@ -161,7 +161,7 @@ static void calc_spectrum(int n, const real c[], real dt, const char* fn, gmx_ou
      * The timestep between saving the trajectory is
      * 1e7 is to convert nanometer to cm
      */
-    recip_fac = bRecip ? (1e7 / SPEED_OF_LIGHT) : 1.0;
+    recip_fac = bRecip ? (1e7 / gmx::c_speedOfLight) : 1.0;
     for (i = 0; (i < n); i += 2)
     {
         nu    = i / (2 * dt);