/usr/include/eclib/transform.h is in libec-dev 20160720-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | // transform.h: declaration of quartic transformation functions
//////////////////////////////////////////////////////////////////////////
//
// Copyright 1990-2012 John Cremona
//
// This file is part of the eclib package.
//
// eclib is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// eclib is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eclib; if not, write to the Free Software Foundation,
// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//
//////////////////////////////////////////////////////////////////////////
//
// Notation: g(x,z) is replaced by g(m11*x+m12*z,m21*x+m22*z)/m00^2
//
void apply_transform(bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
const unimod& m);
void apply_transform(bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
const scaled_unimod& m);
int check_transform(const bigint& a, const bigint& b, const bigint& c,
const bigint& d, const bigint& e,
const unimod& m,
const bigint& xa, const bigint& xb, const bigint& xc,
const bigint& xd, const bigint& xe);
int check_transform(const bigint& a, const bigint& b, const bigint& c,
const bigint& d, const bigint& e,
const scaled_unimod& m,
const bigint& xa, const bigint& xb, const bigint& xc,
const bigint& xd, const bigint& xe);
void xshift(const bigint& alpha,
bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
unimod& m);
void zshift(const bigint& gamma,
bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
unimod& m);
void m_invert(bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
unimod& m);
void m_invert(bigint& a, bigint& b, bigint& c, bigint& d, bigint& e,
scaled_unimod& m);
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