Hi, it appears the value of c3 before the call mpf_sqrt() is negative, and mpf_sqrt() does not allow negative inputs.
Best regards, Paul Zimmermann > From: "posihydr" <posih...@qq.com> > Date: Sat, 19 Aug 2023 21:50:37 +0800 > > > [1:text/plain Hide] > > A description of the problem: > The problem occurs when the formula in GMP and < Picture 1> is used to > calculate PI, calculate the constant C to the 3/2 power, output "Floating > point exception" after running the program, and use GDB debugging to find > that the program receives signal SIGFPE when calling mpf_sqrt function. > The following is written according to the > https://gmplib.org/manual/Reporting-Bugs report: > 1. GMP Version number: 6.3.0 (not prepackaged and not patched) > 2. The test program is <bug.c>, which can be run directly after compilation > 3. The program crashes directly > 4. < Picture 2> > 5. None > 6../configure --prefix=/opt/gmp-6.3.0 > 7. I can't provide the information as it was built > 8. < Picture 3> > 9. < Picture 3> > 10. aarch64-unknown-linux-gnu > 11. None > 12. None > > > It was translated from Chinese by Youdao. > > [2:application/octet-stream Show Save:bug.c (975B)] > > > [3:application/octet-stream Show Save:Picture 1.jpg (140kB)] > > > [4:application/octet-stream Show Save:Picture 2.jpg (426kB)] > > > [5:application/octet-stream Show Save:Picture 3.jpg (466kB)] > > > [6:text/plain Hide] > > _______________________________________________ > gmp-bugs mailing list > gmp-bugs@gmplib.org > https://gmplib.org/mailman/listinfo/gmp-bugs _______________________________________________ gmp-bugs mailing list gmp-bugs@gmplib.org https://gmplib.org/mailman/listinfo/gmp-bugs
