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authorRoland McGrath <roland@gnu.org>1995-12-04 18:37:56 +0000
committerRoland McGrath <roland@gnu.org>1995-12-04 18:37:56 +0000
commitba848785bb048e7700555ef97c9d1fd3911a3da3 (patch)
tree646ee57c65b8d2231e235caa069d7fea634e8b64 /stdlib/gmp-impl.h
parentc13a4f3dbd44ff03d85ad1ac35cca38c3f35d33c (diff)
Updated from ../=mpn/gmp-1.910
Diffstat (limited to 'stdlib/gmp-impl.h')
-rw-r--r--stdlib/gmp-impl.h20
1 files changed, 9 insertions, 11 deletions
diff --git a/stdlib/gmp-impl.h b/stdlib/gmp-impl.h
index 0d2a8fcede..2f0956d960 100644
--- a/stdlib/gmp-impl.h
+++ b/stdlib/gmp-impl.h
@@ -179,24 +179,22 @@ void _mp_default_free ();
strings in base 2..36. */
struct bases
{
- /* Number of digits in the conversion base that always fits in
- an mp_limb. For example, for base 10 this is 10, since
- 2**32 = 4294967296 has ten digits. */
+ /* Number of digits in the conversion base that always fits in an mp_limb.
+ For example, for base 10 on a machine where a mp_limb has 32 bits this
+ is 9, since 10**9 is the largest number that fits into a mp_limb. */
int chars_per_limb;
/* log(2)/log(conversion_base) */
float chars_per_bit_exactly;
- /* big_base is conversion_base**chars_per_limb, i.e. the biggest
- number that fits a word, built by factors of conversion_base.
- Exception: For 2, 4, 8, etc, big_base is log2(base), i.e. the
- number of bits used to represent each digit in the base. */
+ /* base**chars_per_limb, i.e. the biggest number that fits a word, built by
+ factors of base. Exception: For 2, 4, 8, etc, big_base is log2(base),
+ i.e. the number of bits used to represent each digit in the base. */
mp_limb big_base;
- /* big_base_inverted is a BITS_PER_MP_LIMB bit approximation to
- 1/big_base, represented as a fixed-point number. Instead of
- dividing by big_base an application can choose to multiply
- by big_base_inverted. */
+ /* A BITS_PER_MP_LIMB bit approximation to 1/big_base, represented as a
+ fixed-point number. Instead of dividing by big_base an application can
+ choose to multiply by big_base_inverted. */
mp_limb big_base_inverted;
};