1 /// Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at 2 /// the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights 3 /// reserved. See files LICENSE and NOTICE for details. 4 /// 5 /// This file is part of CEED, a collection of benchmarks, miniapps, software 6 /// libraries and APIs for efficient high-order finite element and spectral 7 /// element discretizations for exascale applications. For more information and 8 /// source code availability see http://github.com/ceed. 9 /// 10 /// The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 /// a collaborative effort of two U.S. Department of Energy organizations (Office 12 /// of Science and the National Nuclear Security Administration) responsible for 13 /// the planning and preparation of a capable exascale ecosystem, including 14 /// software, applications, hardware, advanced system engineering and early 15 /// testbed platforms, in support of the nation's exascale computing imperative. 16 17 /// @file 18 /// Public header for definitions related to using FP64 floating point (double 19 /// precision) for CeedScalar. This is the default header included in ceed/ceed.h. 20 #ifndef _ceed_f64_h 21 #define _ceed_f64_h 22 23 /// Set base scalar type to FP64. (See CeedScalarType enum in ceed/ceed.h 24 /// for all options.) 25 #define CEED_SCALAR_TYPE CEED_SCALAR_FP64 26 typedef double CeedScalar; 27 28 /// Machine epsilon 29 #define CEED_EPSILON 1e-16 30 31 #endif 32