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v 1.0 -- 2-Dec-07 : 
 
   * First version of FLINT, includes fmpz_poly, fmpz and mpQS

v 1.0.1 -- 7-Dec-07 : 
   
   * Fixed a bug in _fmpz_poly_maxbits1 on 32 bit machines, reported by Michael Abshoff and Carl Witty
   * Removed some instances of u_int64_t and replaced them with uint64_t, reported by Michael Abshoff
   * Replaced sys/types.h with stdint.h
   * Added FLINT macros to documentation
   * Corrected numerous typos in documentation   

v 1.0.2 -- 10-Dec-07

   * Rewrote tuning code for integer multiplication functions, making it more robust and fixing a bug
     which showed up on 32 bit machines (reported by Michael Abshoff and Jaap Spies). Factored the tuning
     code out into a number of macros.

v 1.0.3 -- 16-Dec-07

   * Fixed a bug in the polynomial memory managment code which caused a segfault
   * Fixed a bug in the pseudo division code which caused a block overrun
    
v 1.0.4 -- 04-Jan-08

   * Fixed a bug in the bernoulli_zmod example program and associated polynomial zmod code which caused memory corruption.
   * Fixed a bug in the fmpz-test code which manifested on 32 bit machines, reported by David Harvey.   
   * Fixed some bugs in the pari profiling code.     

v 1.0.5 -- 05-Jan-08

   * Fixed some inline issues which cause problems because of the C99 inline rules (reported by David Harvey). 
   * Fixed a makefile issue reported (and solved) by David Harvey when *not* linking against NTL.

v 1.0.6 -- 17-Jan-08

   * Fixed an issue with FLINT_BIT_COUNT on certain machines (probably due to arithmetic shift issues)

v 1.0.7 -- 22-Jan-08

   * Made F_mpn_mul binary compatible with the way mpn_mul *operates* in practice.

v 1.0.8 -- 15-Feb-08

   * Fixed a bug in fmpz_poly_right_shift (reported by Kiran Kedlaya)

v 1.0.9 -- 11-Mar-08

   * Fixed a memory allocation bug in fmpz_poly_power

v 1.0.10 -- 16-Jun-08:

   * integer gcd (this just wraps the GMP gcd code)
   * polynomial content
   * convert to and from FLINT and NTL integers and polynomials
   * get a coefficient of a polynomial efficiently as a read only mpz_t
   * print polynomials in a prettified format with a specified variable         

v 1.0.11 -- 9-Jul-08

   * Fixed a bug in z_ll_mod_precomp on ia64 (reported by Michael Abshoff and William Stein)

v 1.0.12 -- 11-Jul-08
   * Removed some Opteron tuning flags which cause illegal instruction errors on Pentium4
   * Fixed numerous memory leaks in fmpz_poly test code
   * Fixed memory leak in fmpz_poly_power_trunc_n
   * Fixed major memory leaks in fmpz_poly_xgcd_modular
   * Rewrote __fmpz_poly_mul_karatrunc_recursive and _fmpz_poly_mul_karatsuba_trunc to "prove code" and got rid of some dirty memory issues
   * Fixed some potential illegal memory accesses to do with cache prefetching in fmpz_poly.c

v 1.0.13 -- 13-Jul-08
   * Fixed memory leaks and dirty memory issues in test code for numerous modules.
   * Removed further issues with cache prefetching in mpn_extras.c

v 1.0.14 -- 23-Sep-08
   * Update long_extras and test code for the sake of new quadratic sieve (new functions in long_extras remain undocumented)
   * Removed many bugs from tinyQS and mpQS and joined them into a single program for factoring integers

v 1.0.15 -- 15-Oct-08
   * Fixed a bug which causes a segfault when setting a coefficient of the zero polynomial to zero
   * Fixed build bug in longlong.h on s390 platform

v 1.0.16 -- 22-Oct-08
   * Fixed a segfault when trying to truncate a polynomial to an longer length than it currently is, with the function fmpz_poly_truncate (reported by Craig Citro)

v 1.0.17 -- 30-Nov-08
   * Fixed a segfault caused by left shifting of polynomials with zero limbs allocated in division and pseudo division functions.
   * Fixed a bound used in fmpz_gcd_modular to use a proven bound
   * Fixed a bug in fmpz_poly-profile where the top bit of random coefficients of n bits was always set

v 1.0.18 -- 05-Dec-08
   * Fixed another bug in the fmpz_poly_set_coeff_* functions which resulted in dirty coefficients

v 1.0.19 -- 12-Dec-08
   * Fixed a bug in z_remove_precomp

v 1.0.20 -- 13-Dec-08
   * Fixed some bugs in conversion of zmod_poly's to and from strings

v 1.0.21 -- 25-Dec-08
   * Fixed the Christmas bug reported by Michael Abshoff which causes a test failure in fmpz_poly_gcd_modular and a hang in fmpz_poly_invmod_modular on 32 bit machines 

v 1.1.0 -- 21-Dec-08 (some of the following features were previewed in FLINT 1.0.11):

   * integer gcd (this just wraps the GMP gcd code)
   * polynomial content
   * primitive part
   * convert to and from FLINT and NTL integers and polynomials
   * get a coefficient of a polynomial efficiently as a read only mpz_t
   * print polynomials in a prettified format with a specified variable 
   * Sped up integer multiplication
   * Convert to and from zmod_polys from fmpz_polys
   * Chinese remainder for fmpz_polys
   * Leading coeff macro
   * Euclidean norm of polynomials
   * Exact division testing of polynomials
   * Polynomial GCD (subresultant, heuristic, modular)
   * Modular inversion of polynomials
   * Resultant
   * XGCD (Pohst-Zassenhaus)
   * Multimodular polynomial multiplication
   * Rewritten karatsuba_trunc function
   * Rewritten division functions
   * Polynomial derivative
   * Polynomial evaluation
   * Polynomial composition
   * Addition and subtraction of zmod_polys
   * Sped up multiplication of zmod_polys
   * Extended multiplication of zmod_polys to allow up to 63 bit moduli
   * zmod_poly subpolynomials
   * zmod_poly reverse
   * Truncated multiplication for zmod_polys (left, right, classical and KS)
   * Scalar multiplication
   * Division for zmod_polys (divrem and div, classical, divide and conquer and newton)
   * Series inversion for zmod_polys
   * Series division for zmod_polys
   * Resultant for zmod_polys
   * GCD for zmod_polys including half-gcd
   * Inversion modulo a polynomial for zmod_polys
   * XGCD for zmod_polys
   * Squarefree factorisation for zmod_polys
   * Berlekamp factorisation for zmod_polys
   * Irreducibility testing for zmod_polys
   * Derivative for zmod_polys
   * Middle product for zmod_polys (sped up newton division)
   * addmod, submod and divmod for ulongs
   * Sped up limb sized integer square root
   * Partial factoring of ulongs
   * z_randbits
   * Pocklington-Lehmer primality testing
   * BSPW pseudo-primality testing
   * Fermat pseudo-primality testing
   * Fast Legendre symbol computation
   * Chinese remainder for fmpzs
   * Square root with remainder for fmpzs
   * Left and right shift for fmpzs
   * Reduction modulo a ulong for fmpzs
   * Montgomery redc, mulmod, divmod and mod for fmpzs
   * Multimodular reduction and CRT for fmpzs
   * fmpz_mulmod and fmpz_divmod
   * fmpz_invert for inversion modulo an fmpz
   * Dramatically sped up gcd for small fmpzs
   * Computation of 1D, 2D and some 3D theta functions
   * Example program for multiplying theta functions
   * Test code now times test functions
   * Quick and dirty timing function for profiler
   * Tiny quadratic sieve for small one and two limb integers
   * Completely rewritten self initialising multiple polynomial quadratic sieve
   * Build fix for 64 bit OSX dylibs (reported by Michael Abshoff)
   
v 1.1.1 -- 11-Feb-09

   * Fixed bugs in _fmpz_poly_scalar_mul_fmpz, fmpz_poly_gcd_heuristic and fmpz_poly_gcd_subresultant and fixed bugs in test__fmpz_poly_scalar_div_fmpz, test_fmpz_poly_scalar_div_fmpz and test_fmpz_poly_scalar_div_mpz.

v 1.1.2 -- 1-Mar-09

   * Fixed some memory allocation slowdowns and bugs in fmpz_poly division and pseudo division functions (reported by William Stein).
   
v 1.1.3 -- 1-Mar-09

   * Inserted some missing return values in zmod_poly test code.
  
v 1.2.0 -- 10-Mar-09

   * made memory manager, fmpz and fmpz_poly threadsafe
   * Code for running tests in parallel (not activated)
   * Sped up fmpz_poly_scalar_div_ui/si when scalar is 1/-1
   * Parallelise _fmpz_poly_mul_modular 
   * fmpz_mul_modular_packed to pack coefficients to the byte before running _fmpz_poly_mul_modular 
   * fmpz_poly_pseudo_rem_cohen (not documented)
   * special case for leading coeff 1/-1 in fmpz_poly_pseudo_divrem_basecase
   * removed a memory allocation bug which caused a massive slowdown in fmpz_poly_pseudo_divrem_basecase
   * fmpz_poly_pseudo_rem_basecase (not documented)
   * fmpz_poly_pseudo_rem (not asymptotically fast)
   * fmpz_poly_signature (not asymptotically fast)
   * basic fmpz_poly_is_squarefree function
   * included zn_poly in trunk and made FLINT build zn_poly as part of its build process
   * switched to using zn_poly for polynomial multiplication, newton inversion, scalar multiplication in zmod_poly
   * Integer cube root of word sized integers
   * Fibonacci pseudoprime test
   * BSPW probable prime test
   * n - 1 primality test
   * Complete implementation of z_issquarefree
   * Significantly improved the thetaproduct example program. 
   * Fixed bug in fmpz_poly_byte_pack which is triggered when trying to pack into fields a multiple of 8 bytes (could cause a segfault)
   * Fixed a bug in fmpz_poly_pseudo_divrem (relied on an uninitialised poly to have length 0)
   * Fixed bug in fmpz_multi_CRT_ui (could segfault)
   * Fixed bug in fmpz_multi_mod_ui (could segfault)
   * Fixed memory leak in zmod_poly_factor_squarefree 
   * Fixed memory leak in zmod_poly_from_string

v 1.2.1 -- 14-Mar-09

   * Removed some FLINT 2.0 code which was interfering with the build of the NTL-interface
   * Removed an omp.h from fmpz_poly.c.

v 1.2.2 -- 20-Mar-09

   * Fixed a memory leak in zmod_poly_factor
   * Fixed zmod_poly-profile build

v 1.2.3 -- 31-Mar-09

   * Fixed bugs in all fmpz_poly evaluation functions, identified by Burcin Erocal. 

v 1.2.4 -- 4-Apr-09

   * Defined THREAD to be blank on Apple CC and __thread for thread local storage on other gcc's (where it's defined)
   * #undef ulong in profiler.h where time.h and other system time headers are included (both reported by M. Abshoff)

v 1.2.5 -- 18-Apr-09

   * Upgraded to zn_poly-0.9 to avoid a serious error in squaring of large polynomials over Z/nZ

v 1.3.0 -- 09-Jun-09

   * Added new code for checking 2nd, 3rd and 5th roots
   * Fixed a bug in z_factor
   * Connected quadratic sieve for factoring large ulongs
   * Added one line factor algorithm
   * constructed best of breed factor algorithm
   * Fixed termination conditions for z_intcuberoot and z_intfifthroot which were broken
   * Added some code for special cases which cause infinite loops in cuberoot and fifthroot
   * Went back to ceil(pow(n, 0.33333333)) and ceil(pow(n, 0.2)) for initial guesses in cube and fifth root functions as these were about 50% faster than sqrt(n) and sqrt(sqrt(n)) respectively.
   * Added test code for z_intfifthroot
   * Added test code for z_factor_235power
   * Fixed some uninitialised data found by valgrind in intcuberoot and intfifthroot
   * Fixed multiply defined PRIME_COUNT in long_extras-test
   * Got rid of gotos in some functions in long_extras
   * Knocked optimisation level back to -O2 because it miscompiles on sage.math
   * Changed tables to use uint64_t's instead of ulongs which are not 64 bits on a 32 bit machine
   * Only checked MAX_HOLF on 64 bit machine
   * Changed MAX_SQUFOF to WORD(-1)
   * Check constant 0x3FFFFFFFFUL only on a 64 bit machine
   * Fixed a bug in z_oddprime_lt_4096 on 32 bit machines
   * Fixed some TLS issues with Cygwin
   * Fixed some typos in makefile
   * Fixed a wrong path in fmpz.c

v 1.4.0 -- 06-Jul-09

   * Sped up zmod_poly division in case where operands are the same length
   * Sped up zmod_poly division in case where operands have lengths differing by 1
   * Fixed a bug in zmod_poly_gcd for polynomials of zero length
   * Sped up zmod_poly_gcd considerably (both euclidean and half gcd)
   * Sped up zmod_poly_gcd_invert and zmod_poly_xgcd considerably
   * Made zmod_poly_gcd_invert and zmod_poly_xgcd asymptotically fast
   * Made zmod_poly_resultant asymptotically fast
   * Added optimised zmod_poly_rem function
   * Fixed a divide by zero bug in zmod_poly_factor_berlekamp 
   * Added test code for z_factor_tinyQS and z_factor_HOLF
   * Fixed many bugs in the z_factor code, tinyQS and mpQS
   * Corrected numerous typos in the documentation and added missing descriptions
   * Added F_mpz_cmp function
   * Added documentation to the manual for the new F_mpz module

v 1.5.0 -- 22-Sep-09

   * Added multimodular reduction and CRT to F_mpz module
   * Fixed some bugs in F_mpz module and numerous bugs in test code
   * Added zmod_poly_compose
   * Added zmod_poly_evaluate
   * Added functions for reduced evaluation and composition to fmpz_poly module (contributed by Burcin Erocal)
   * Fixed bugs in the primality tests in long_extras
   * Removed all polynomial multimodular multiplication functions
   * Added new thetaproduct code used in the 1 trillion triangles computation
   * Fixed a severe bug in the fmpz_poly_pseudo_div function reported by Sebastian Pancratz
   * Added fmpz_comb_temp_init/clear functions
   * Fixed a normalisation buglet in fmpz_poly_pack_bytes
   * Added F_mpz_pow_ui function (contributed by Andy Novocin)
   * Fixed a severe bug in the FFT reported by William Stein and Mariah Lennox (fix contributed by David Harvey)
   * Removed some memory leaks from F_mpz test code
   * Fixed bug in zmod_poly_evaluate test code

v 1.6.0 -- 24-Dec-10

   Bugs:
   ====

   * Fixed a memory leak in mpz_poly_to_string_pretty
   * Fixed a bug inherited from an old version of fpLLL 
   * Makefile to respect CC and CXX
   * Fixed bug in F_mpz_set_si
   * Fixed bug in F_mpz_equal
   * Most for loops to C90 standard (for easier MSVC porting)
   * Better Cygwin support
   * Fixed a bug in zmod_poly_resultant
   * Fixed bug in F_mpz_mul_KS/2
   * Fixed bug in tinyQS
   * Worked around some known bugs in older GMP/MPIR's

   Major new functionality
   =======================
   * F_mpz_poly_factor_zassenhaus 
   * F_mpz_poly_factor (incl. fmpz_poly_factor wrapper) using new vH-N approach
    (see the paper of van Hoeij and Novocin and the paper of van Hoeij, Novocin 
     and Hart)
   * Implementation of new CLD bounds function for polynomial factors
     (see the paper of van Hoeij, Novocin and Hart
   * Restartable Hensel lifting
   * Heuristic LLL implementations using doubles and mpfr
   * LLL implementations optimised for knapsack lattices
   * New (probably subquadratic) LLL implementation (ULLL)
   * zmod_poly_factor_cantor_zassenhaus
   * New F_mpz_mod_poly module for polynomials over Z/pZ for multiprec. p

   Some of the other new functions added
   =====================================

   F_mpz:

   * F_mpz_gcd
   * F_mpz_smod
   * F_mpz_mod_preinv
   * F_mpz_fdiv_qr
   * F_mpz_get/set_mpfr/2exp
   * F_mpz_sscanf
   * F_mpz_set_d

   F_mpz_poly:

   * read F_mpz_poly to_string/from_string/fprint/print/fread/pretty
   * F_mpz_poly_to/from_zmod_poly
   * F_mpz_poly_scalar_div_exact
   * F_mpz_poly_smod
   * F_mpz_poly_derivative, F_mpz_poly_content, F_mpz_poly_eval_horner_d/2exp
   * F_mpz_poly_scalar_abs
   * F_mpz_poly_set_d_2exp
   * F_mpz_poly_div/divrem
   * F_mpz_poly_gcd
   * F_mpz_poly_is_squarefree
   * F_mpz_poly_factor_squarefree
   * F_mpz_poly_mul_trunc_left
   * F_mpz_poly_pseudo_div
   * F_mpz_poly_set_coeff
   * F_mpz_poly_pow_ui
   * Inflation/deflation trick for factorisation

   zmod_poly:

   * Inflation/deflation trick for factorisation

   mpz_mat:

   * mpz_mat_from_string/to_string/fprint/fread/pretty

   mpq_mat:

   * mpq_mat_init/clear
   * Gramm-schmidt Orthogonalisation

   F_mpz_mat:

   * F_mpz_mat_print/fprint/fread/pretty
   * F_mpz_mat_mul_classical
   * F_mpz_mat_max_bits/2
   * F_mpz_mat_scalar_mul/div_2exp
   * F_mpz_mat_col_equal
   * F_mpz_mat_smod
   * F_mpz_vec_scalar_product/norm
   * F_mpz_vec_add/submul_ui/si/F_mpz/2exp

   zmod_mat:

   * classical multiplication
   * strassen multiplication
   * scalar multiplication
   * zmod_mat_equal
   * zmod_mat_add/sub
   * zmod_mat_addmul_classical

   d_mat:

   * d_vec_norm, d_vec_scalar_product

   mpfr_mat:

   * mpfr_vec_scalar_product/norm

v 2.0 -- 16 Jan 2011
  N.B: FLINT 2 is  a complete rewrite of flint from scratch
  It includes the following modules:

ulong_extras: (word sized integers and modular arithmetic)
  * random numbers (randint, randbits, randprime, randint)
  * powering
  * reverse binary
  * mod, divrem, mulmod all with precomputed inverses
  * gcd, invgcd, xgcd
  * jacobi symbols
  * addmod, submod, invmod, powmod
  * prime sieve, nextprime, prime-pi, nth-prime
  * primality testing (small, binary search, Pocklington-Lehmer, Pseudosquare)
  * probably prime tests (strong base-a, Fermat, Fibonacci, BPSW, Lucas)
  * sqrt, sqrtrem, is-square, perfect-power (2,3,5)
  * remove, is-squarefree
  * factorisation (trial-range, trial, power (2,3,5), one-line, SQUFOF)
  * Moebius mu, Euler phi
   
fmpz: (memory managed multiple precision integers)
  * memory management (init, clear)
  * random numbers (randbits, randm)
  * conversion to and from long, ulong, doubles, mpz's, strings
  * read/write to file, stdin, stdout
  * sizeinbase, bits, size, sgn, swap, set, zero
  * cmp, cmp-ui, cmpabs, equal, is-zero, is-one
  * neg, abs, add, add-ui, sub, sub-ui, mul, mul-si, mul-ui, mul-2exp
  * addmul, addmul-ui, submul, submul-ui
  * cdiv-q, cdiv-q-si, cdiv-q-ui
  * fdiv-q, fdiv-q-si, fdiv-q-ui, fdiv-qr, fdiv-q-2exp
  * tdiv-q, tdiv-q-si
  * divexact, divexact-si, divexact-ui
  * mod, mod-ui
  * powering
  * sqrt, sqrt-rem
  * factorial
  * gcd, invmod
  * bit-pack, bit-unpack
  * multimodular reduction, CRT 

fmpz_vec: (vectors over fmpz's)
  * memory management (init, clear)
  * random vectors
  * max-bits, max-limbs
  * read/write to file/stdin/stdout
  * set, swap, zero, neg
  * equal, is-zero
  * sort
  * add, sub
  * scalar multiplication by fmpz, ulong, long, 2exp
  * exact division by fmpz, long, ulong
  * fdiv-q by fmpz, long, ulong, 2exp
  * tdiv-q by fmpq, long, ulong
  * addmul by fmpz, long, long by 2exp
  * submul by fmpz, long, long by 2exp
  * Gaussian content

fmpz_poly: (polys over fmpz's)
  * memory management (init, realloc, fit-length, clear)
  * random polys
  * normalise, set-length, truncate
  * length, degree, max-limbs, max-bits
  * set, set-si, set-ui, set-fmpz, set-str
  * get-str, get-str-pretty
  * zero, one, zero-coeffs
  * swap, reverse
  * get/set coeffs from fmpz, long, ulong
  * get-coeff-ptr, lead
  * equal, is-zero
  * add, sub
  * scalar multiplication by fmpz, long, ulong
  * scalar addmul/submul by fmpz
  * scalar fdiv by fmpz, long, ulong
  * scalar tdiv by fmpz, long, ulong
  * scalar divexact by fmpz, long, ulong
  * bit pack, bit unpack
  * multiplication (classical, karatsuba, KS)
  * mullow (classical, karatsuba, KS)
  * mulhigh (classical, karatsuba)
  * middle product (classical)
  * powering (small, binary exponent, binomial, multinomial, addition chains)
  * truncated powering (binary exponent)
  * shift left/right
  * euclidean norm
  * gcd (subresultant)
  * resultant
  * content, primitive part
  * divrem (basecase, divide-and-conquer)
  * div (basecase, divide-and-conquer)
  * rem (basecase)
  * invert series (basecase, Newton)
  * div series
  * pseudo divrem (basecase, divide-and-conquer, Cohen)
  * rem (Cohen)
  * div
  * evaluate (Horner) at fmpz, mpq, a mod n
  * composition (Horner, divide-and-conquer)
  * signature
  * read/write to file/stdin/stdout

fmpq_poly: (polynomials over Q stored as poly over fmpz with fmpz denominator)
  * memory management (init, realloc, fit-length, clear)
  * random polys
  * set-length, canonicalise, normalise, truncate
  * is-canonical, length, degree
  * reference to numerator, denominator
  * set, set-si, set-ui, set-fmpz, set-mpz, set-mpq
  * set-array-mpq, set-str
  * get-str, get-str-pretty
  * zero, neg, swap
  * invert
  * set coefficient to mpq, long, ulong, fmpz, mpz
  * get coefficient as mpq
  * equal, cmp, is-one, is-zero
  * add, sub
  * scalar multiplication by long, ulong, fmpz, mpq
  * scalar division by fmpz, long, ulong, mpq
  * multiplication, mullow
  * powering 
  * shift left/right
  * divrem, div, rem
  * invert series (Newton iteration)
  * divide series
  * derivative
  * evaluate at fmpz, mpq
  * composition, scale by constant
  * content, primitive part
  * make-monic, is-monic
  * is-squarefree
  * read/write to file/stdin/stdout

nmod_vec: (vectors over Z/nZ for n fitting in a machine word)
  * memory management (init/clear)
  * macros for efficient reduction of 1, 2 and 3 limb integers mod n
  * macro for addmul mod n
  * add/sub/neg individual coefficients mod n
  * random vectors
  * set, zero, swap
  * reduce, max-bits
  * equal
  * add, sub, neg
  * scalar multiplication by a value reduced mod n
  * scalar addmul by a value reduced mod n

nmod_poly: (polynomials over Z/nZ for n fitting in a machine word)
  * memory management (init, realloc, fit-length, clear)
  * random polys
  * normalise, truncate
  * length, degree, modulus, max-bits
  * set, swap, zero, reverse
  * get/set coefficients as ulongs, strings
  * read/write to file, stdin, stdout
  * equal, is-zero
  * shift left/right
  * add, sub, neg
  * scalar multiplication by a value reduced mod n
  * make-monic
  * bit pack, bit unpack
  * multiplication (classical, KS)
  * mullow (classical, KS)
  * mulhigh (classical)
  * powering (binary exponent)
  * pow-trunc (binary exponent)
  * divrem (basecase, divide-and-conquer, Newton iteration)
  * div (basecase, divide-and-conquer, Newton iteration)
  * invert series (basecase, Newton iteration)
  * divide series (Newton iteration)
  * derivative
  * evaluation at a value taken mod n
  * composition (Horner, divide-and-conquer)
  * gcd (euclidean)

fmpz_mat: (matrices over fmpz's)
  * memory management (init, clear)
  * random matrices (bits, integer relations, simultaneous diophantine equations
    NTRU-like, ajtai, permutation of rows and cols of a diagonal matrix, random
    of given rank, random of given determinant, random elementary operations)
  * set, init-set, swap, entry pointer
  * write to file or stdout
  * equal
  * transpose
  * multiplication (classical, multimodular)
  * inverse
  * determinant
  * row reduce (Gaussian and Gauss-Jordan fraction-free elimination)
  * rank
  * solve Ax = b, solve AX = B
  * fraction free LU decomposition

nmod_mat: (matrices over Z/nZ for n fitting in a machine word)
  * memory management (init, clear)
  * random matrices (uniform, full, permutations of diagonal matrix, random of 
    given rank, random elementary operations)
  * set, equal
  * print to stdout
  * add
  * transpose
  * multiplication (classical, Strassen, A*B^T)
  * row reduction (Gaussian and Gauss-Jordan)
  * determinant
  * rank
  * solve (Ax = b, AX = B, solve with precomputed LU)
  * invert

arith: (arithmetic functions)
  * Bernoulli numbers
  * Bernoulli polynomials
  * primorials (product of primes up to n)
  * harmonic numbers
  * Stirling numbers
  * Euler phi function
  * Moebius mu function
  * Sigma (sum of powers of divisors)
  * Ramanujan tau function
  

examples: (example programs)
  * compute coefficients of q-series of Delta function

mpfr_vec: (vectors over mpfr reals)
  * memory management (init, clear)
  * add
  * set, zero
  * scalar multiplication by mpfr, 2exp
  * scalar product

mpfr_mat: (matrices over mpfr reals)
  * memory management (init, clear)

v 2.1 -- 9 Mar 2011

fmpz
----
  * Simplified interface for fast multimodular reduction and CRT reconstruction
  * Fixed segmentation fault in fmpz_multi_mod_ui when the input exceeds the product of the moduli
  * Added simple incremental CRT functions (fmpz_CRT_ui, fmpz_CRT_ui_unsigned) to complement the existing fast ones
  * Added example programs for CRT
  * Added random number generators designed for testing modular code (fmpz_randtest_mod, fmpz_randtest_mod_signed)
  * Added fmpz_fdiv_ui for remainder on division by an ulong
  * Added fmpz_bin_uiui for computing binomial coefficients
  * Added fmpz_mul2_uiui and fmpz_divexact2_uiui for multiplying or dividing an fmpz by a pair of ulongs (efficiently when their product fits in a single limb)

fmpz_mat
--------
  * Added utility functions for basic arithmetic and creating unit matrices
  * Added multimodular determinant computation (certified or heuristic)
  * Added support for computing right nullspaces (fmpz_mat_kernel). Fast only for small matrices.
  * Some internal code cleanup and various small fixes

nmod_mat
--------
  * Faster Gaussian elimination for small moduli
  * Faster determinants
  * Faster matrix inversion and nonsingular solving

nmod_poly
---------
  * Added nmod_poly_integral for computing integrals
  * Added fast square root and inverse square root of power series
  * Added fast transcendental functions of power series (log, exp, sin, cos, tan, sinh, cosh, tanh, asin, atan, asinh, atanh)
  * Made nmod_poly_inv_series_newton more memory efficient

fmpq_poly
---------
  * Added fmpq_poly_integral for computing integrals
  * Added fast transcendental functions of power series (log, exp, sin, cos, tan, sinh, cosh, tanh, asin, atan, asinh, atanh)

arith
-----
  * Made computation of vectors of Bernoulli numbers faster
  * Added fast computation of single Bernoulli numbers
  * Added a separate function for computing denominators of Bernoulli numbers
  * Added fast computation of Bell numbers (vector and single)
  * Added fast computation of Euler numbers (vector and single)
  * Added fast computation of Euler polynomials
  * Added fast computation of Swinnerton-Dyer polynomials
  * Added fast computation of Legendre polynomials
  * Added fast vector computation of the partition function
  * Added fast vector computation of Landau's function

ulong_extras
------------
  * Added a function for computing factorials mod n

build system
------------
  * Added support for building static and shared libraries
  * All object files and test/profile/example binaries now build in separate build directory

documentation
-------------
  * Large number of corrections

v 2.2 -- 4 Jun 2011

fmpq (multiprecision rational numbers)
--------------------------------------
  * Basic arithmetic functions
  * Utility functions
  * Rational reconstruction
  * Functions for enumerating the rationals

fmpq_mat (matrices over Q)
--------------------------
  * Basic arithmetic functions
  * Utility functions
  * Fast multiplication
  * Classical and fraction-free reduced row echelon form
  * Determinants
  * Fast non-singular solving

fmpz_poly_mat (matrices over Z[x]
---------------------------------
  * Basic arithmetic functions
  * Utility functions
  * Fraction-free row reduction and determinants
  * Fast determinants (experimental)

fmpz_mat
--------
  * Added more utility functions (scalar multiplication, etc)
  * Added Dixon's p-adic algorithm (used by fast nonsingular rational system
    solving)
  * Added reduced row echelon form
  * Added conversions between fmpz_mat and nmod_mat
  * Added CRT functions for fmpz_mats
  * Faster matrix multiplication for small to medium dimensions

longlong.h
----------
  * Added x86 assembly macros for accumulating sums of two limb operands

nmod_mat
--------
  * Sped up arithmetic for moduli close to FLINT_BITS

arith
-----
  * Changed interface of various functions to use new fmpq type

fmpz
----
  * Added fmpz_set_ui_mod
  * Inlined fmpz_neg, fmpz_set_si, fmpz_set_ui for better performance
  * Added fmpz_lcm
  * Small performance improvement to fmpz_CRT_ui

fmpz_vec
--------
  * Added _fmpz_vec_lcm

fmpz_poly_q (rational functions over Q, modeled as quotients of fmpz_polys)
---------------------------------------------------------------------------
  * Basic arithmetic functions
  * Conversion and IO functions
  * Evaluation

padic (p-adic numbers -- experimental)
-------------------------------------
  * Basic arithmetic
  * Data conversion and IO
  * Inverse and square root using Newton iteration
  * Teichmuller lifts (not optimised)
  * p-adic exponential function (not optimised)

fmpz_poly
---------
  * Added fmpz_poly_gcd_modular (and fmpz_poly_gcd wrapper)
  * Added fmpz_poly_xgcd_modular (and fmpz_poly_xgcd wrapper)
  * Added conversions between fmpz_poly and nmod_poly
  * Added CRT functions
  * Added multipoint evaluation and interpolation

nmod_poly
---------
  * Added nmod_poly_xgcd_euclidean (and nmod_poly_xgcd wrapper)
  * nmod_poly_gcd wrapper

mpn_extras
----------
  * Added MPN_NORM and MPN_SWAP macros.
  * Added mpn_gcd_full to remove some of the restrictions from the usual mpn_gcd

build fixes
------------
  * fixed make install to create nonexistent dirs (reported by Serge Torres)
  * -L use /usr instead of /usr/local by default (reported by Serge Torres)
  * guards for system headers because of flint's use of ulong

v 2.3 -- 1 Jul 2012

general
-------
  * many changes to the build system
  * added NTL interface
  * switched to custom memory allocation functions flint_malloc etc
  * in addition to the entries below, fixed a large number of memory leaks,
    problems with the test code, and bugs in corner cases of various functions
  * added _fmpz_cleanup_mpz_content as an alternative to _fmpz_cleanup
  * support MinGW32
  * support Cygwin
  * bugfix on ia64
  * support sparc32/sparc64
  * support OSX
  * support Solaris, NetBSD, OpenBSD, etc (if bash, GNU Make present)

ulong_extras
------------
  * implemented the improved Lehman algorithm
  * added n_jacobi_unsigned to allow n > WORD_MAX
  * fixed n_sqrtmod for n > WORD_MAX
  * fixed bug causing n_sqrtmod to hang
  * added sublinear algorithm for computing factorials mod p
  * added n_sqrtmod_primepow, n_sqrtmodn and associated functions for
    computing square roots modulo composite integers
  * fixed bugs in n_is_prime_pocklington
  * fixed UWORD_MAX case in powmod and powmod2
  * fixed problems with the random number generators
  * fixed rare bug in n_mod_precomp
  * fixed rare bug in n_is_prime_pseudosquare

long_extras
-----------
  * added z_sizeinbase

qsieve
------
  * new module implementing a quadratic sieve for numbers up to two limbs

fft
---
  * new module providing an efficient Schoenhage-Strassen FFT

longlong
--------
  * added assembly code for ia64 and ARM
  * fixed bug in fallback version of add_sssaaaaaa

fmpz
----
  * added fmpz_fib_ui
  * added double precision natural logarithm
  * added fmpz_val2 for 2-valuation
  * added mul_2exp, div_2exp, cdiv_q_2exp, tdiv_q_2exp, fdiv_r, fdiv_r_2exp,
    tdiv_ui, mul_tdiv_q_2exp
  * added get_d/set_d
  * added fmpz_divisible, divisible_si
  * optimised fmpz_powm and fmpz_powm_ui
  * added clog, clog_ui, flog, flog_ui for computing logarithms
  * added abs_lbound_ui_2exp, ubound_ui_2exp
  * added fmpz_rfac_ui and fmpz_rfac_uiui for rising factorials
  * added functions to obtain read-only fmpz_t's from mpz_t's
  * added fmpz_init_set, init_set_ui
  * added fmpz_gcdinv
  * added fmpz_is_square
  * added fmpz_tstbit, setbit, clrbit, complement, combit, and, or, xor, popcnt
  * added a sign flag for CRT instead of using separate methods
  * fixed bugs in fmpz_sqrtmod
  * fixed a bug in fmpz_bit_unpack that could cause corruption of the global
    fmpz array when compiled in single mode
  * fixed a bug in fmpz_sub_ui that could cause memory corruption

fmpz_vec
--------
  * added functions for obtaining the largest absolute value coefficient
  * added functions for computing the sum and product of an integer vector
  * made max_bits much faster
  * added _fmpz_vec_mod_fmpz
  * made randtest produce sparse output

fmpz_poly
---------
  * added fmpz_poly_sqr, fmpz_poly_sqrlow for squaring a polynomial
  * added fmpz_poly_lcm
  * made multipoint interpolation faster by using the Newton basis
  * added a function for fast division by a linear polynomial
  * added power series composition (classical and Brent-Kung)
  * added power series reversion (classical, Newton, fast Lagrange)
  * added a function for obtaining the largest absolute value coefficient
  * fixed quadratic memory usage and stack overflow when performing
    unbalanced division or pseudo division using the divconquer algorithm
  * fixed a bug in poly_zero_coeffs
  * fixed a bug in xgcd_modular
  * allowing +/-1 in the constant term of power series inversion
  * fixed aliasing bug in divrem
  * added restartable Hensel lifting and associated utility functions
  * fixed rem, which used to only call the basecase algorithm
  * fixed pseudo_divrem, which used to only call the basecase algorithm
  * implemented Schoenhage-Strassen multiplication (mul_SS, mullow_SS)
    and enabled this by default
  * fixed a bug in the heuristic GCD algorithm
  * added functions for Newton basis conversion
  * added functions for fast Taylor shift
  * added fmpz_poly_sqrt implementing a basecase algorithm
  * added scalar mul_2exp, fdiv_2exp, tdiv_2exp
  * made randtest produce sparse output
  * added fmpz_poly_equal_fmpz
  * improved performance by always using basecase multiplicatio
    when one polynomial is short
  * improved algorithm selection for fmpz_poly_gcd
  * fixed several bugs in gcd_modular
  * improved performance of gcd_modular

fmpz_poly_factor
----------------
  * new module for factorisation of fmpz_polys
  * added a naive implementation of the Zassenhaus algorithm

fmpz_mod_poly
-------------
  * new module for polynomials modulo over Z/nZ for arbitrary-precision n
  * multiplication, powering
  * classical and divconquer division
  * series inversion
  * Euclidean GCD and XGCD
  * invmod
  * radix conversion
  * divconquer composition
  * GCD and division functions that test invertibility of the
    leading coefficient

fmpz_mat
--------
  * added det_divisor for computing a random divisor of the determinant
  * faster determinant computation using divisor trick
  * faster determinant computation by using multimodular updates
  * fixed n x 0 x m product not zeroing the result
  * various interface improvements
  * faster implementation of Cramer's rule for multiple right hand sides
  * added fmpz_mat_fread and read
  * added multi CRT/mod functions
  * added trace

fmpz_poly_mat
-------------
  * fixed n x 0 x m product not zeroing the result
  * added inverse
  * added rank computation
  * added reduced row echelon form and nullspace computation
  * added more utility functions
  * added squaring and exponentiation
  * added balanced product of a sequence of matrices
  * added truncate, mullow, sqrlow, pow_trunc
  * added trace

fmpz_factor
-----------
  * new module providing interface for integer factorisation
  * fast expansion of a factored integer

fmpq
----
  * cleaned up and improved performance of rational reconstruction code
  * allow separate numerator and denominator bounds for rational
    reconstruction
  * added continued fraction expansion
  * added functions for summation using binary splitting
  * added fmpq_swap
  * added fmpq_print, fmpq_get_str
  * added fmpq_pow_si
  * added functions to obtain read-only fmpq_t's from mpq_t's
  * added fmpq_cmp

fmpq_mat
--------
  * fixed n x 0 x m product not zeroing the result
  * added fmpq_mat_transpose
  * added trace

fmpq_poly
---------
  * improved speed of multipoint interpolation using _fmpz_poly_div_root
  * fmpq_poly: added power series composition (classical and Brent-Kung)
  * fmpq_poly: added power series reversion (classical, Newton, fast Lagrange)
  * fixed bug wherein set_array_mpq modified the input
  * added gcd, xgcd, lcm, resultant
  * added fmpq_poly_set_fmpq
  * added fmpq_poly_get_slice, fmpq_poly_reverse
  * fixed aliasing bug in divrem
  * changed some functions to use FLINT scalar types instead of MPIR data types
  * added fmpq_poly_get_numerator

nmod_poly
---------
  * implemented the half gcd algorithm for subquadratic gcd and xgcd
  * added multipoint evaluation and interpolation
  * added asymptotically fast multipoint evaluation and interpolation
  * added a function for forming the product of linear factors
  * added a function for fast division by a linear polynomial
  * added power series composition (classical and Brent-Kung)
  * added power series reversion (classical, Newton, fast Lagrange)
  * added nmod_poly_mulmod, powmod and related functions
    (ported from flint1)
  * added squarefree, irreducibility tests (ported from flint1)
  * added Berlekamp and Cantor-Zassenhaus factoring (ported from flint1)
  * fixed quadratic memory usage and stack overflow when performing
    unbalanced division using the divconquer algorithm
  * added compose_series_divconquer
  * added resultant
  * fixed aliasing bug in divrem
  * added rem functions
  * added divrem_q0, q1 for special cases of division
  * added functions for fast Taylor shift
  * added nmod_poly_sqrt
  * made fread read the modulus from the file
  * made randtest produce sparse output
  * fixed bug in xgcd_euclidean with scalar inputs

nmod_vec
--------
  * added functions and macros for computing dot products
  * made randtest produce sparse output

nmod_mat
--------
  * added addmul/submul functions
  * asymptotically fast solving of triangular systems
  * asymptotically fast LUP decomposition
  * asymptotically fast determinant and rank computation
  * asymptotically fast reduced row echelon form and nullspace
  * asymptotically fast nonsingular solving
  * asymptotically fast inverse
  * tidied some interfaces
  * fixed n x 0 x m product not zeroing the result
  * added trace
  * made multiplication faster for tiny moduli by means of bit packing

nmod_poly_mat
-------------
  * new module for matrices over Z/nZ[x], with similar
    functionality as the fmpz_poly_mat module
  * determinant, rank, solving, reduced echelon form, nullspace
  * fraction-free Gaussian elimination
  * multiplication using bit packing
  * multiplication using evaluation-interpolation
  * determinant using evaluation-interpolation

padic
-----
  * restructured and improved much of the code
  * added padic_log
  * improved log and exp using rectangular splitting
  * added asymptotically fast log and exp based on binary splitting

perm
----
  * added the perm module for permutation matrices
  * computing the parity of a permutation
  * inverting a permutation

arith
-----
  * added generation of cyclotomic polynomials
  * added functions for evaluating Dedekind sums
  * fast computation of the partition function
  * added a function for factoring a Hardy-Ramanujan-Rademacher
    type exponential sum
  * added Chebyshev polynomials T and U
  * added computation of the minimal polynomial of cos(2pi/n)
  * added asymptotically fast high-precision approximation of zeta(n)
  * added asymptotically fast computation of Euler's constant
  * added new algorithms and functions for computing Bell numbers
  * fast computation of pi (adapting code written by Hanhong Xue)
  * added functions for computing the number of sum of squares
    representations of an integer
  * renamed functions to have an arith_ prefix

v 2.4 -- 20 Nov 2013

  * C++ expressions template wrapper
  * Fast factorisation of polynomials over Z/nZ
  * improved p-adics
  * polynomials/matrices over p-adics
  * qadics
  * Finite fields (small and large F_q), polynomials/matrices over F_q
  * Finite fields with Zech logarithm representation
  * Fast factorisation of polynomials over F_q
  * Faster Brent-Kung modular composition
  * New prime sieving code
  * Lambert-W function
  * Precomputed inverses for polynomials and large integers
  * Williams' P+1 integer factoring algorithm
  * Harvey's KS2/KS4 polynomial multiplication  
  * Faster primality testing up to 64 bits
  * Support for Cygwin64 and MinGW64
  * Support for Clang
  * Support for GMP
  * Support for Boehm-Demers-Weiser GC
  * Support for flint extension modules

v 2.4.2 -- 11 Mar 2014

  * Fix bug in ARM assembly

v 2.4.3 -- 01 Apr 2014

  * Fix a linker issue on Mac OSX.

v 2.4.4 -- fixed a severe bug in flint's primality code (n_is_prime() affecting n_factor())

v 2.4.5 -- fixed a severe bug in flint's fmpz_poly_gcd_heuristic, reported by
    Anton Mellit.

v 2.5.0 -- 07 Aug 2015

  * LLL (rational, Nguyen-Stehle, from Gram matrix, with_removal, Storjohann/ULLL)
  * Hermite normal form (naive, xgcd, Domich-Kannan-Trotter, Kannan-Bachem, Pernet-Stein)
  * Smith normal form (diagonal, Kannen-Bachem, Iliopoulos)
  * Paterson-Stockmeyer algorithm
  * modular resultant
  * hgcd resultant
  * polynomial discriminant
  * multithreaded multimodular Taylor shift
  * multithreaded Brent-Kung composition
  * multithreaded Kaltofen-Shoup distinct degree factorisation
  * multiplication based reduced row echelon form
  * place inline functions in library for foreign function interfaces
  * Primality tests for large integers (Pocklington, Morrison)
  * Probable prime tests for large integers (Lucas, Baillie-PSW, strong-psp, Brillhart-Lehmer-Selfridge)
  * CRT for large integers
  * Dixon algorithm for nullspace
  * Brent-Kung composition in irreducibility and distinct degree factorisation
  * floating point QR decomposition
  * Schwarz-Rutishauser Gram-Schmidt algorithm
  * Ogita-Rump-Oishi dot product
  * matrix window functions
  * MSVC support (Brian Gladman)
  * fast cube/nth-root (Newton, Kahan, magic number, Chebyshev)
  * Bodrato matrix squaring
  * matrix concatenation functions
  * matrix content
  * faster n_gcd
  * faster n_sqrtmod and fmpz_sqrtmod
  * additional functions for returning factor of modulus in polys over Z/nZ
  * Hadamard matrix construction
  * series addition/subtraction
  * faster prime_pi bounds
  * speedup creation of sparse polynomials
  * speedup n_isprime n_nextprime
  * speedup n_isprime_pocklington
  * speedups to fmpq_poly and fmpz_poly arithmetic
  * speedup polynomial irreducibility testing over Z/pZ
  * speedup of rank computation over ZZ
  * made CPimport compile time dependency only
  * teach flint_printf/sprintf about explicit width format specifiers
  * support relative paths in configure
  * library soname versioning
  * ARM64 patches
  * Support MSYS2
  * Progress towards supporting MIPS64
  * Fix a serious bug in fmpz_poly_signature

v 2.5.1 -- 12 Aug 2015

  * Fix some build bugs related to soname versioning and ldconfig
  * Fix issue with Windows MSVC build

v 2.5.2 -- 13 Aug 2015

  * Fix further issues with soname versioning and ldconfig
  * Fix a bug when using GMP instead of MPIR.