mirror of
https://github.com/boostorg/math.git
synced 2026-01-19 04:22:09 +00:00
12b3c8a7e7
* Add missing distribution compile tests * Add cstdfloat compile tests * Rename and finish differentiation * Add interpolators compile tests and fixes * Reorganize/add quadrature compile tests * Add missing sf tests and fixes for failures * Add tools incl tests and fixes * Add compile tests to jamfile plus collected fixes * Collected fixes for CI failures * Fix fftw config * Remove lexical cast from arcsine dist [ci skip] * Improve cstdfloat tests [ci skip] * Improve differentiation tests [ci skip] * Improve distribution testing [ci skip] * Updates to interpolator tests [ci skip] * Improve quadrature tests [ci skip] * Improve sf tests [ci skip] * Improve tools tests * Collected CI fixes * Fix for MSVC 14.2 array allocation error [windows] * MSVC 14.2 workarounds [windows] * Fix float128 and interpolators tests * Add standalone testing on clang [standalone] * Fixes for type mismatches on MSVC [windows] * Fix for MSVC 14.0 fail from missing header [windows] * Change barycentric rational namespace [ci skip] * Fix standalone clang warnings * Change namespace in barycentric examples
31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
// Copyright Nick Thompson 2017.
|
|
// Use, modification and distribution are subject to the
|
|
// Boost Software License, Version 1.0. (See accompanying file
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// Basic sanity check that header <boost/math/special_functions/gamma.hpp>
|
|
// #includes all the files that it needs to.
|
|
//
|
|
#include <boost/math/differentiation/autodiff.hpp>
|
|
//
|
|
// Note this header includes no other headers, this is
|
|
// important if this test is to be meaningful:
|
|
//
|
|
#include "test_compile_result.hpp"
|
|
|
|
template <typename T>
|
|
T fourth_power(T const& x) {
|
|
T x4 = x * x; // retval in operator*() uses x4's memory via NRVO.
|
|
x4 *= x4; // No copies of x4 are made within operator*=() even when squaring.
|
|
return x4; // x4 uses y's memory in main() via NRVO.
|
|
}
|
|
|
|
void compile_and_link_test()
|
|
{
|
|
using namespace boost::math::differentiation;
|
|
auto const x = make_fvar<double, 5>(2.0); // Find derivatives at x=2.
|
|
auto const y = fourth_power(x);
|
|
|
|
check_result<double>(y.derivative(1));
|
|
}
|