diff options
Diffstat (limited to 'mpi-patches/mpi-set-double-intptr')
| -rw-r--r-- | mpi-patches/mpi-set-double-intptr | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/mpi-patches/mpi-set-double-intptr b/mpi-patches/mpi-set-double-intptr new file mode 100644 index 00000000..1c834966 --- /dev/null +++ b/mpi-patches/mpi-set-double-intptr @@ -0,0 +1,55 @@ +Index: mpi-1.8.6/mpi.c +=================================================================== +--- mpi-1.8.6.orig/mpi.c 2011-12-10 18:21:53.000000000 -0800 ++++ mpi-1.8.6/mpi.c 2011-12-10 18:24:07.000000000 -0800 +@@ -573,6 +573,36 @@ + return MP_OKAY; + } + ++#ifdef HAVE_DOUBLE_INTPTR_T ++mp_err mp_set_double_intptr(mp_int *mp, double_intptr_t z) ++{ ++ int ix, shift; ++ unsigned long v = z > 0 ? z : -z; ++ const int nd = (sizeof v + sizeof (mp_digit) - 1) / sizeof (mp_digit); ++ ++ ARGCHK(mp != NULL, MP_BADARG); ++ ++ mp_zero(mp); ++ ++ if(z == 0) ++ return MP_OKAY; /* shortcut for zero */ ++ ++ s_mp_grow(mp, nd); ++ ++ USED(mp) = nd; ++ ++ for (ix = 0, shift = 0; ix < nd; ix++, shift += MP_DIGIT_BIT) ++ { ++ DIGIT(mp, ix) = (v >> shift) & MP_DIGIT_MAX; ++ } ++ ++ if(z < 0) ++ SIGN(mp) = MP_NEG; ++ ++ return MP_OKAY; ++} ++#endif ++ + mp_err mp_set_word(mp_int *mp, mp_word w, int sign) + { + USED(mp) = 2; +Index: mpi-1.8.6/mpi.h +=================================================================== +--- mpi-1.8.6.orig/mpi.h 2011-12-10 18:21:53.000000000 -0800 ++++ mpi-1.8.6/mpi.h 2011-12-10 18:22:56.000000000 -0800 +@@ -100,6 +100,9 @@ + mp_err mp_set_int(mp_int *mp, long z); + mp_err mp_set_intptr(mp_int *mp, int_ptr_t z); + mp_err mp_get_intptr(mp_int *mp, int_ptr_t *z); ++#ifdef HAVE_DOUBLE_INTPTR_T ++mp_err mp_set_double_intptr(mp_int *mp, double_intptr_t z); ++#endif + mp_err mp_set_word(mp_int *mp, mp_word w, int sign); + + /*------------------------------------------------------------------------*/ |