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Changes between GMP version 6.2.* and 6.3.0 BUGS FIXED - A possible overflow of type int is avoided for mpz_cmp on huge operands. - A possible error condition when a malformed file is read with mpz_inp_raw is now correctly handled. FEATURES - New public function mpz_prevprime, companion of the existing mpz_nextprime. - New documented pointer types mpz_ptr, mpz_srcptr, and similar for other GMP types. Refer to the manual for full list and suggested usage. These types have been present in gmp.h at least since GMP-4.0, but previously not advertised to users. - Support for 64-bit Arm under Macos. - Support for the loongarch64 CPU family. - Support for building with LTO, link-time optimisations. SPEEDUPS - New special code for base = 2 in mpz_powm reduces the average time for the functions that test primality. - Speedup for the function mpz_nextprime on large operands. - Speedup for multiplications (some sizes only) thanks to new internal functions to compute small negacyclic products. - Special assembly code for IBM z13 and later "mainframe" CPUs, resulting in a huge speedup. - Improved assembly for several 64-bit x86 CPUs, Risc-V, 64-bit Arm.
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