src/float/dfloat/elem/cl_DF_globals.cc

   1 // Global variables for cl_DF.
   2
   3 // General includes.
   4 #include "cl_sysdep.h"
   5
   6 // Specification.
   7 #include "cl_DF.h"
   8
   9
  10 // Implementation.
  11
  12 namespace cln {
  13
  14 const cl_DF cl_DF_0 = cl_DF_0;
  15 const cl_DF cl_DF_1 = cl_DF_1;
  16 const cl_DF cl_DF_minus1 = cl_DF_minus1;
  17
  18 int cl_DF_globals_init_helper::count = 0;
  19
  20 cl_DF_globals_init_helper::cl_DF_globals_init_helper()
  21 {
  22         if (count++ == 0) {
  23 #if (cl_word_size == 64)
  24                 new ((void *)&cl_DF_0) cl_DF(allocate_dfloat(0)); // 0.0d0
  25                 new ((void *)&cl_DF_1) cl_DF(encode_DF(0, 1, bit(DF_mant_len))); // 1.0d0
  26                 new ((void *)&cl_DF_minus1) cl_DF(encode_DF(-1,1,bit(DF_mant_len))); // -1.0d0
  27 #else
  28                 new ((void *)&cl_DF_0) cl_DF(allocate_dfloat(0, 0)); // 0.0d0
  29                 new ((void *)&cl_DF_1) cl_DF(encode_DF(0, 1, bit(DF_mant_len - 32), 0)); // 1.0d0
  30                 new ((void *)&cl_DF_minus1) cl_DF(encode_DF(-1, 1, bit(DF_mant_len - 32), 0)); // -1.0d0
  31 #endif
  32         }
  33 }
  34 cl_DF_globals_init_helper::~cl_DF_globals_init_helper()
  35 {
  36         if (--count == 0) {
  37                 // Nothing to clean up
  38         }
  39 }
  40
  41 }  // namespace cln
  42