You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <valarray>
|
|
|
|
// template <class T> class slice_array
|
|
|
|
// void operator*= (const valarray<value_type>& v) const;
|
|
|
|
#include <valarray>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
int main(int, char**)
|
|
{
|
|
int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
|
|
int a2[] = {-1, -2, -3, -4, -5};
|
|
std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));
|
|
std::valarray<int> v2(a2, sizeof(a2)/sizeof(a2[0]));
|
|
v1[std::slice(1, 5, 3)] *= v2;
|
|
assert(v1.size() == 16);
|
|
assert(v1[ 0] == 0);
|
|
assert(v1[ 1] == -1);
|
|
assert(v1[ 2] == 2);
|
|
assert(v1[ 3] == 3);
|
|
assert(v1[ 4] == -8);
|
|
assert(v1[ 5] == 5);
|
|
assert(v1[ 6] == 6);
|
|
assert(v1[ 7] == -21);
|
|
assert(v1[ 8] == 8);
|
|
assert(v1[ 9] == 9);
|
|
assert(v1[10] == -40);
|
|
assert(v1[11] == 11);
|
|
assert(v1[12] == 12);
|
|
assert(v1[13] == -65);
|
|
assert(v1[14] == 14);
|
|
assert(v1[15] == 15);
|
|
|
|
return 0;
|
|
}
|