Improve accuracy of SIMD exp for small args
[gromacs.git] / src / gromacs / simd / tests / data.cpp
blob1e3ab7ba07b74554b8ad1e0d84c2806bbc7d3d3d
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35 #include "gmxpre.h"
37 #include "data.h"
39 #include "gromacs/utility/real.h"
42 namespace gmx
44 namespace test
47 /*! \cond internal */
48 /*! \addtogroup module_simd */
49 /*! \{ */
51 // Common test data constants used both for SIMD, SIMD4, and scalar tests.
52 // We both want numbers that are easy to identify with integer part from 0 to 9,
53 // and to fill all digits in the mantissa and avoid identical differences
54 // between adjacent numbers we add a fraction of primes.
55 const real czero = 0.0;
56 const real c0 = 0.0 + 1.0/3.0;
57 const real c1 = 1.0 + 5.0/7.0;
58 const real c2 = 2.0 + 9.0/13.0;
59 const real c3 = 3.0 + 17.0/19.0;
60 const real c4 = 4.0 + 23.0/29.0;
61 const real c5 = 5.0 + 31.0/37.0;
62 const real c6 = 6.0 + 41.0/43.0;
63 const real c7 = 7.0 + 47.0/53.0;
64 const real c8 = 8.0 + 59.0/61.0;
66 /*! \} */
67 /*! \endcond */
69 } // namespace test
71 } // namespace gmx