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Diffstat (limited to 'rts/gmp/mpz/README')
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diff --git a/rts/gmp/mpz/README b/rts/gmp/mpz/README new file mode 100644 index 0000000000..06b481d770 --- /dev/null +++ b/rts/gmp/mpz/README @@ -0,0 +1,23 @@ +This directory contains functions for GMP's integer function layer. + +In this version of GMP, integers are represented like in the figure below. +(Please note that the format might change between every version, and that +depending on the internal format in any way is a bad idea.) + + most least +significant significant + limb limb + + _mp_d + / + / + \/ + ____ ____ ____ ____ ____ + |____|____|____|____|____| + + <------- _mp_size -------> + + +The most significant limb will be non-zero. The _mp_size field's sign +reflects the sign of the number. Its absolute value is the count of limbs +in the number. |