| //===----------------------------------------------------------------------===// |
| // |
| // ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <valarray> |
| |
| // template<class T> class valarray; |
| |
| // valarray apply(value_type f(value_type)) const; |
| |
| #include <valarray> |
| #include <cassert> |
| |
| typedef int T; |
| |
| T f(T t) {return t + 5;} |
| |
| int main() |
| { |
| { |
| T a1[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; |
| T a2[] = {6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
| const unsigned N1 = sizeof(a1)/sizeof(a1[0]); |
| std::valarray<T> v1(a1, N1); |
| std::valarray<T> v2 = v1.apply(f); |
| assert(v2.size() == N1); |
| for (unsigned i = 0; i < N1; ++i) |
| assert(v2[i] == a2[i]); |
| } |
| { |
| const unsigned N1 = 0; |
| std::valarray<T> v1; |
| std::valarray<T> v2 = v1.apply(f); |
| assert(v2.size() == N1); |
| } |
| { |
| T a1[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; |
| T a2[] = {7, 9, 11, 13, 15, 17, 19, 21, 23, 25}; |
| const unsigned N1 = sizeof(a1)/sizeof(a1[0]); |
| std::valarray<T> v1(a1, N1); |
| std::valarray<T> v2 = (v1+v1).apply(f); |
| assert(v2.size() == N1); |
| for (unsigned i = 0; i < N1; ++i) |
| assert(v2[i] == a2[i]); |
| } |
| } |