ni...@lysator.liu.se (Niels Möller) writes:
To get going, I've written C implementations of mpn_div_qr_1n_pi1 and
mpn_divf_qr1n_pi1, and made divrem_1 call them.
Below, also an mpn_div_qr_1, using these primitives (and with some
inspiration from divrem_1). For return value, I use the type
ni...@lysator.liu.se (Niels Möller) writes:
ni...@lysator.liu.se (Niels Möller) writes:
To get going, I've written C implementations of mpn_div_qr_1n_pi1 and
mpn_divf_qr1n_pi1, and made divrem_1 call them.
Below, also an mpn_div_qr_1, using these primitives (and with some
Torbjorn Granlund t...@gmplib.org writes:
I am not too enthusiastic about struct return types for critical
functions. I expect this to be returned via a stack slot everywhere o
almost everywhere.
As far as I understand, the most common ABIs for x86_64 and ARM (which
is pretty close to almost
ni...@lysator.liu.se (Niels Möller) writes:
Consider the test compilation unit
typedef struct {
unsigned long q; unsigned long r;
} qr_t;
qr_t divrem (unsigned long u, unsigned long d)
{
qr_t res;
res.q = u/d;
res.r = u - res.q*d;
return res;
}
On
