"You're right. Let me fix the code and properly implement the Chudnovsky algorithm, which is indeed one of the best algorithms for computing pi to many decimal places. I'll also ensure the compilation works correctly. First, let me check what went wrong with the compilation: Shell cd /Users/martinheller/Code/qwen && g++ -lgmp -lmpfr pi_value.cpp -o pi_value"
"pi_value.cpp:57:20: error: use of undeclared identifier const_1351409'; did you mean const_13591409'? 57 | mpfr_init2(const_1351409, precision); | ^~~~~~~~~~~~~ | const_13591409 pi_value.cpp:55:26: note: const_13591409' declared here 55 | mpfr_t const_12, const_13591409, const_545140134, const_640320_cubed; | ^ pi_value.cpp:62:21: error: use of undeclared identifier const_1351409'; did you mean"
Code fails to compile when invoking g++ with -lgmp and -lmpfr on pi_value.cpp. The implementation uses Machin's formula rather than the Chudnovsky algorithm, despite a supplied class for Chudnovsky. Compiler errors point to undeclared identifiers such as const_1351409 while a similarly named const_13591409 is declared, indicating typographical mismatches. The intent is to implement Chudnovsky properly, correct identifier names, and ensure successful compilation and linking against GMP/MPFR. The build command and error outputs are provided for debugging.
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