#include "mpn_extras.h"
#include "ulong_extras.h"
#include "nmod_vec.h"
#include "nmod_poly.h"
#include "gr_poly.h"
void
_nmod_poly_asinh_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_asinh_series(g, h, hlen, n, ctx));
}
void
nmod_poly_asinh_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_asinh_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_asinh_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_asin_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_asin_series(g, h, hlen, n, ctx));
}
void
nmod_poly_asin_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_asin_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_asin_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_atanh_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_atanh_series(g, h, hlen, n, ctx));
}
void
nmod_poly_atanh_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_atanh_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_atanh_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_atan_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_atan_series(g, h, hlen, n, ctx));
}
void
nmod_poly_atan_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_atan_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_atan_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_cosh_series(nn_ptr f, nn_srcptr h, slong n, nmod_t mod)
{
nn_ptr g = _nmod_vec_init(n);
_nmod_poly_exp_expinv_series(f, g, h, n, n, mod);
_nmod_vec_add(f, f, g, n, mod);
_nmod_vec_scalar_mul_nmod(f, f, n, n_invmod(UWORD(2), mod.n), mod);
_nmod_vec_clear(g);
}
void
nmod_poly_cosh_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
nn_ptr g_coeffs, h_coeffs;
nmod_poly_t t1;
slong h_len;
h_len = h->length;
if (h_len > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_cosh_series). Constant term != 0.\n");
}
if (h_len == 1 || n < 2)
{
nmod_poly_zero(g);
if (n > 0)
nmod_poly_set_coeff_ui(g, 0, UWORD(1));
return;
}
if (h_len < n)
{
h_coeffs = _nmod_vec_init(n);
flint_mpn_copyi(h_coeffs, h->coeffs, h_len);
flint_mpn_zero(h_coeffs + h_len, n - h_len);
}
else
h_coeffs = h->coeffs;
if (h == g && h_len >= n)
{
nmod_poly_init2(t1, h->mod.n, n);
g_coeffs = t1->coeffs;
}
else
{
nmod_poly_fit_length(g, n);
g_coeffs = g->coeffs;
}
_nmod_poly_cosh_series(g_coeffs, h_coeffs, n, h->mod);
if (h == g && h_len >= n)
{
nmod_poly_swap(g, t1);
nmod_poly_clear(t1);
}
g->length = n;
if (h_len < n)
_nmod_vec_clear(h_coeffs);
_nmod_poly_normalise(g);
}
void
_nmod_poly_cos_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_cos_series(g, h, hlen, n, ctx));
}
void
nmod_poly_cos_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_cos_series). Constant term != 0.\n");
}
if (n <= 1 || hlen <= 1)
{
if (n == 0)
nmod_poly_zero(g);
else
nmod_poly_one(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_cos_series(g->coeffs, h->coeffs, hlen, n, h->mod);
g->length = n;
_nmod_poly_normalise(g);
}
void
_nmod_poly_sinh_series(nn_ptr f, nn_srcptr h, slong n, nmod_t mod)
{
nn_ptr g = _nmod_vec_init(n);
_nmod_poly_exp_expinv_series(f, g, h, n, n, mod);
_nmod_vec_sub(f, f, g, n, mod);
_nmod_vec_scalar_mul_nmod(f, f, n, n_invmod(UWORD(2), mod.n), mod);
_nmod_vec_clear(g);
}
void
nmod_poly_sinh_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
nn_ptr g_coeffs, h_coeffs;
nmod_poly_t t1;
slong h_len;
h_len = h->length;
if (h_len > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_sinh_series). Constant term != 0.\n");
}
if (h_len == 1 || n < 2)
{
nmod_poly_zero(g);
return;
}
if (h_len < n)
{
h_coeffs = _nmod_vec_init(n);
flint_mpn_copyi(h_coeffs, h->coeffs, h_len);
flint_mpn_zero(h_coeffs + h_len, n - h_len);
}
else
h_coeffs = h->coeffs;
if (h == g && h_len >= n)
{
nmod_poly_init2(t1, h->mod.n, n);
g_coeffs = t1->coeffs;
}
else
{
nmod_poly_fit_length(g, n);
g_coeffs = g->coeffs;
}
_nmod_poly_sinh_series(g_coeffs, h_coeffs, n, h->mod);
if (h == g && h_len >= n)
{
nmod_poly_swap(g, t1);
nmod_poly_clear(t1);
}
g->length = n;
if (h_len < n)
_nmod_vec_clear(h_coeffs);
_nmod_poly_normalise(g);
}
void
_nmod_poly_sin_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_sin_series(g, h, hlen, n, ctx));
}
void
nmod_poly_sin_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_sin_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_sin_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_tanh_series(nn_ptr f, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_tanh_series(f, h, hlen, n, ctx));
}
void
nmod_poly_tanh_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_tanh_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_tanh_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}
void
_nmod_poly_tan_series(nn_ptr g, nn_srcptr h, slong hlen, slong n, nmod_t mod)
{
gr_ctx_t ctx;
_gr_ctx_init_nmod(ctx, &mod);
GR_MUST_SUCCEED(_gr_poly_tan_series(g, h, hlen, n, ctx));
}
void
nmod_poly_tan_series(nmod_poly_t g, const nmod_poly_t h, slong n)
{
slong hlen = h->length;
if (hlen > 0 && h->coeffs[0] != UWORD(0))
{
flint_throw(FLINT_ERROR, "Exception (nmod_poly_tan_series). Constant term != 0.\n");
}
if (hlen <= 1 || n <= 1)
{
nmod_poly_zero(g);
return;
}
nmod_poly_fit_length(g, n);
_nmod_poly_tan_series(g->coeffs, h->coeffs, hlen, n, h->mod);
_nmod_poly_set_length(g, n);
_nmod_poly_normalise(g);
}