diff options
Diffstat (limited to 'mpfr/TODO')
| -rw-r--r-- | mpfr/TODO | 39 |
1 files changed, 28 insertions, 11 deletions
@@ -1,13 +1,27 @@ +Documentation: + +- update AUTHORS +- add a description of the algorithms used + proof of correctness + +Installation: + +- from Kevin Ryde <user42@zip.com.au>: + Determine the exp2/exp3 thresholds using tune/tuneup.c. + +- problems when mpfr uses a different compiler (gcc) than gmp (for example + cc under Solaris 2.7). + New functions to implement: -- mpfr_mul_mpz, mpfr_div_mpz +Rounding: + +Efficiency: Miscellaneous: -- implement a C++ wrapper [see with Torbjo"rn and/or Fabrice] +- change Library GPL to Lesser GPL, and mention INRIA and/or SPACES -- in all functions that do rounding, return an int indicating if the result - is exact (i.e. no bit was lost) or not (like in mpfr_div_ui) +- rename mpf2mpfr.h to gmp-mpf2mpfr.h? - detect overflow/underflow in exponent (from Ben Hinkle <bhinkle4@juno.com>) @@ -21,13 +35,7 @@ Miscellaneous: Also for pi.c, a pre-calculated compiled-in pi to a few thousand digits would be good value I think. After all, say 10000 bits using 1250 bytes would still be small compared to the code size! - -- from Kevin Ryde <user42@zip.com.au>: - Determine the exp2/exp3 thresholds using tune/tuneup.c. - -- add a description of the algorithms used - -- add undef's in mpf2mpfr.h to avoid warnings + Store pi in round to zero mode (to recover other modes). - rewrite mpfr_get_d2 to avoid rounding problems, for example on the IA64: x=8.94446216651049664713e+94,74 y=-8.69096029476006043478e+78,113 pz=102,rnd=GMP_RNDU @@ -37,3 +45,12 @@ i.e.0.10101011100001010011001101100101110011101110010001011000000000000000000000 - problem when reading a float followed by a character, for example 1.5*x [from Fabrice.Rouillier@loria.fr, Mon, 04 Dec 2000] + +- use another scheme that sqrt(-1.0) in tests/tdiv.c and tests/tsqrt.c + to generate a NaN (for example under freebsd by default, + invalid, zerodivide and overflow generate exceptions) + +- detect overflows/underflows in addition/multiplication of ordinary numbers + (PUTOT Sylvie <sputot@aigle.saclay.cea.fr>, Tue, 20 Mar 2001) + +- check correctness of +/-0 - +/-0 with different rounding modes. |