diff options
Diffstat (limited to 'test/std/numerics/numarray/template.valarray/valarray.sub/gslice_non_const.pass.cpp')
-rw-r--r-- | test/std/numerics/numarray/template.valarray/valarray.sub/gslice_non_const.pass.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/std/numerics/numarray/template.valarray/valarray.sub/gslice_non_const.pass.cpp b/test/std/numerics/numarray/template.valarray/valarray.sub/gslice_non_const.pass.cpp new file mode 100644 index 000000000000..282dcf1f6db9 --- /dev/null +++ b/test/std/numerics/numarray/template.valarray/valarray.sub/gslice_non_const.pass.cpp @@ -0,0 +1,57 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <valarray> + +// template<class T> class valarray; + +// valarray operator[](const gslice& gs) const; + +#include <valarray> +#include <cassert> + +int main() +{ + int a[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, + 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40}; + std::valarray<int> v1(a, sizeof(a)/sizeof(a[0])); + std::size_t sz[] = {2, 4, 3}; + std::size_t st[] = {19, 4, 1}; + typedef std::valarray<std::size_t> sizes; + typedef std::valarray<std::size_t> strides; + std::valarray<int> v(v1[std::gslice(3, sizes(sz, sizeof(sz)/sizeof(sz[0])), + strides(st, sizeof(st)/sizeof(st[0])))]); + assert(v.size() == 24); + assert(v[ 0] == 3); + assert(v[ 1] == 4); + assert(v[ 2] == 5); + assert(v[ 3] == 7); + assert(v[ 4] == 8); + assert(v[ 5] == 9); + assert(v[ 6] == 11); + assert(v[ 7] == 12); + assert(v[ 8] == 13); + assert(v[ 9] == 15); + assert(v[10] == 16); + assert(v[11] == 17); + assert(v[12] == 22); + assert(v[13] == 23); + assert(v[14] == 24); + assert(v[15] == 26); + assert(v[16] == 27); + assert(v[17] == 28); + assert(v[18] == 30); + assert(v[19] == 31); + assert(v[20] == 32); + assert(v[21] == 34); + assert(v[22] == 35); + assert(v[23] == 36); +} |