memory leak huge number of digits mpz_mul,mpf_sqrt_ui

[Paul Zimmermann]

       Dear Susumu tsukamoto,

I tried valgrind with the following simplified program and it shows no memory
leak:

$ cat test_mul.c
#include "gmp.h"
int main()
{    
    long int num = 200000; // 200,000,000 
    long int ik;
    mpz_t DC;
    printf(" start:  num= %'ld \n", num);
            
    mpz_init_set_str(DC, "10000000000000000000",10); // DC=10^19
                                   
    ik = 19;        // DC=10^ik set   num/2 <= ik < num
    while (ik * 2 < num) {    
        mpz_mul(DC, DC, DC);
        ik = ik * 2;
    }
    mpz_clear(DC);
}

$ /usr/bin/g++ -g -Wall test_mul.c -o test_mul01 -lgmp
$ valgrind ./test_mul01
...
==23406== HEAP SUMMARY:
==23406==     in use at exit: 0 bytes in 0 blocks
==23406==   total heap usage: 17 allocs, 17 frees, 231,296 bytes allocated
==23406== 
==23406== All heap blocks were freed -- no leaks are possible

Does valgrind report a memory leak with your original value num=200000000?

Best regards,
Paul Zimmermann