libstdc++-v3/testsuite/26_numerics/valarray/binary_closure.cc

   1 // 19990805 gdr
   2 //
   3 // XXX: to impove later.
   4 // Origin: Andreas Amann <amann@physik.tu-berlin.de>
   5 // CXXFLAGS: -g
   6
   7 #include <iostream>
   8 #include <valarray>
   9
  10
  11 int main()
  12 {
  13     std::valarray<double> a(10), b(10), c(10), d(10);
  14
  15     a = 1.2;
  16     b = 3.1;
  17
  18     c = 4.0;
  19
  20     d = ( 2.0 * b + a );  // works
  21     std::cout << "d[4] = " << d[4] << std::endl;
  22
  23     d = (a * 2.0 + b ); // works
  24     std::cout << "d[4] = " << d[4] << std::endl;
  25
  26     d = (a + b * 2.0 ); // segfaults!
  27     std::cout << "d[4] = " << d[4] << std::endl;
  28     d = (a + 2.0* b );
  29
  30     std::cout << "d[4] = " << d[4] << std::endl;
  31     d = (a + 2.0* b );
  32     std::cout << "d[4] = " << d[4] << std::endl;
  33     d = (a + 2.0* b );
  34
  35     std::cout << "d[4] = " << d[4] << std::endl;
  36     return 0;
  37 }