Re: Help with a compilation error [Boost/Math]

> On Aug 3, 2022, at 1:56 PM, Peder Lon Hauge via Boost-users <[email protected]> wrote:
>
> Hi,
>
> I'm trying to use Boost in order to find values of a 2F3 hypergeometric function. Just to check that I am using the package the correct way, I tried to compile the small test file below (using the example from the pFq docs), with the command
>
> $ g++ -o test.exe test.cpp -I /home/peder/boost/boost_1_79_0
>
> As far as I understand, the library is header-only, so I didn't expect the compilation error below. I don't where I've made a mistake, and I'd greatly appreciate any help with figuring out the error.
>
> I'm running Ubuntu 20.04.04 on WSL and using gcc 9.4.0.
>
> Best regards,
> Peder
>
> Test program:
>
> #include <iostream>
> #include <boost/math/special_functions/hypergeometric_pFq.hpp>
>
> int main() {
> double z = -9;
> double h = boost::math::hypergeometric_pFq({2,3,4}, {5,6,7,8}, z); // Calculate 3F4
>
> std::cout << h << std::endl;
> return0;
> }
>
> Error message:
>
> $ g++ -o test.exe test.cpp -I /home/peder/boost/boost_1_79_0
> /usr/bin/ld: /tmp/ccp4Lm8m.o: in function `std::pair<long double, long double> boost::math::detail::hypergeometric_pFq_checked_series_impl<std::initializer_list<int>, long double, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy>, boost::math::detail::iteration_terminator>(std::initializer_list<int> const&, std::initializer_list<int> const&, long double const&, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> const&, boost::math::detail::iteration_terminator const&, long long&)':
> test.cpp:(.text._ZN5boost4math6detail38hypergeometric_pFq_checked_series_implISt16initializer_listIiEeNS0_8policies6policyINS5_14default_policyES7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_EENS1_20iteration_terminatorEEESt4pairIT0_SB_ERKT_SF_RKSB_RKT1_RKT2_Rx[_ZN5boost4math6detail38hypergeometric_pFq_checked_series_implISt16initializer_listIiEeNS0_8policies6policyINS5_14default_policyES7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_EENS1_20iteration_terminatorEEESt4pairIT0_SB_ERKT_SF_RKSB_RKT1_RKT2_Rx]+0xeef): undefined reference to `boost::math::tools::promote_args<long double, float, float, float, float, float>::type boost::math::lgamma<long double, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >(long double, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> const&)'
> /usr/bin/ld: test.cpp:(.text._ZN5boost4math6detail38hypergeometric_pFq_checked_series_implISt16initializer_listIiEeNS0_8policies6policyINS5_14default_policyES7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_EENS1_20iteration_terminatorEEESt4pairIT0_SB_ERKT_SF_RKSB_RKT1_RKT2_Rx[_ZN5boost4math6detail38hypergeometric_pFq_checked_series_implISt16initializer_listIiEeNS0_8policies6policyINS5_14default_policyES7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_S7_EENS1_20iteration_terminatorEEESt4pairIT0_SB_ERKT_SF_RKSB_RKT1_RKT2_Rx]+0xfe5): undefined reference to `boost::math::tools::promote_args<long double, float, float, float, float, float>::type boost::math::expm1<long double, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >(long double, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> const&)'
> /usr/bin/ld: /tmp/ccp4Lm8m.o: in function `int boost::math::detail::log_pochhammer<int, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >(int, unsigned int, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy>, int*)':
> test.cpp:(.text._ZN5boost4math6detail14log_pochhammerIiNS0_8policies6policyINS3_14default_policyES5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_EEEET_S7_jT0_Pi[_ZN5boost4math6detail14log_pochhammerIiNS0_8policies6policyINS3_14default_policyES5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_EEEET_S7_jT0_Pi]+0x3d): undefined reference to `boost::math::tools::promote_args<int, float, float, float, float, float>::type boost::math::lgamma<int, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >(int, int*, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> const&)'
> /usr/bin/ld: test.cpp:(.text._ZN5boost4math6detail14log_pochhammerIiNS0_8policies6policyINS3_14default_policyES5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_EEEET_S7_jT0_Pi[_ZN5boost4math6detail14log_pochhammerIiNS0_8policies6policyINS3_14default_policyES5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_S5_EEEET_S7_jT0_Pi]+0x57): undefined reference to `boost::math::tools::promote_args<int, float, float, float, float, float>::type boost::math::lgamma<int, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> >(int, int*, boost::math::policies::policy<boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy, boost::math::policies::default_policy> const&)'
> collect2: error: ld returned 1 exit status

Peder,

I have opened an issue on GitHub (https://github.com/boostorg/math/issues/810) for this problem, and am working on a fix.

Matt

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