diff options
Diffstat (limited to 'lib/Math/BigInt.pm')
| -rw-r--r-- | lib/Math/BigInt.pm | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/lib/Math/BigInt.pm b/lib/Math/BigInt.pm index e40809e4f3..758d7d8b94 100644 --- a/lib/Math/BigInt.pm +++ b/lib/Math/BigInt.pm @@ -727,7 +727,7 @@ sub bzero sub bone { # create a bigint '+1' (or -1 if given sign '-'), - # if given a BigInt, set it to +1 or -1, respecively + # if given a BigInt, set it to +1 or -1, respectively my $self = shift; my $sign = shift; $sign = '+' if !defined $sign || $sign ne '-'; $self = $class if !defined $self; @@ -2264,7 +2264,7 @@ sub objectify # the first argument is number of args objectify() should look at it will # return $count+1 elements, the first will be a classname. This is because # overloaded '""' calls bstr($object,undef,undef) and this would result in - # useless objects beeing created and thrown away. So we cannot simple loop + # useless objects being created and thrown away. So we cannot simple loop # over @_. If the given count is 0, all arguments will be used. # If the second arg is a ref, use it as class. @@ -2683,7 +2683,7 @@ Math::BigInt - Arbitrary size integer/float math package $x->is_inf($sign); # if $x is +inf, or -inf (sign is default '+') $x->is_int(); # if $x is an integer (not a float) - # comparing and digit/sign extration + # comparing and digit/sign extraction $x->bcmp($y); # compare numbers (undef,<0,=0,>0) $x->bacmp($y); # compare absolutely (undef,<0,=0,>0) $x->sign(); # return the sign, either +,- or NaN @@ -2692,7 +2692,7 @@ Math::BigInt - Arbitrary size integer/float math package # The following all modify their first argument. If you want to preserve # $x, use $z = $x->copy()->bXXX($y); See under L<CAVEATS> for why this is - # neccessary when mixing $a = $b assigments with non-overloaded math. + # necessary when mixing $a = $b assignments with non-overloaded math. $x->bzero(); # set $x to 0 $x->bnan(); # set $x to NaN @@ -2783,7 +2783,7 @@ Math::BigInt - Arbitrary size integer/float math package =head1 DESCRIPTION -All operators (inlcuding basic math operations) are overloaded if you +All operators (including basic math operations) are overloaded if you declare your big integers as $i = new Math::BigInt '123_456_789_123_456_789'; @@ -2871,7 +2871,7 @@ appropriate information. even version version number of the class you used 1.61 - div_scale Fallback acccuracy for div + div_scale Fallback accuracy for div 40 trap_nan If true, traps creation of NaN via croak() 1 @@ -2903,7 +2903,7 @@ Warning! The accuracy I<sticks>, e.g. once you created a number under the influence of C<< CLASS->accuracy($A) >>, all results from math operations with that number will also be rounded. -In most cases, you should probably round the results explicitely using one of +In most cases, you should probably round the results explicitly using one of L<round()>, L<bround()> or L<bfround()> or by passing the desired accuracy to the math operation as additional parameter: @@ -3068,7 +3068,7 @@ If used on an object, it will set it to one: $x->is_inf(); # true if +inf $x->is_inf('-'); # true if -inf (sign is default '+') -These methods all test the BigInt for beeing one specific value and return +These methods all test the BigInt for being one specific value and return true or false depending on the input. These are faster than doing something like: @@ -3085,7 +3085,7 @@ C<-inf> is negative. A C<zero> is neither positive nor negative. These methods are only testing the sign, and not the value. -C<is_positive()> and C<is_negative()> are aliase to C<is_pos()> and +C<is_positive()> and C<is_negative()> are aliases to C<is_pos()> and C<is_neg()>, respectively. C<is_positive()> and C<is_negative()> were introduced in v1.36, while C<is_pos()> and C<is_neg()> were only introduced in v1.68. @@ -3340,7 +3340,7 @@ v1.22, while C<as_int()> was only introduced in v1.68. $x->bstr(); -Returns a normalized string represantation of C<$x>. +Returns a normalized string representation of C<$x>. =head2 bsstr @@ -3511,7 +3511,7 @@ versions <= 5.7.2) is like this: result has at most max(scale, length(dividend), length(divisor)) digits Actual code: scale = max(scale, length(dividend)-1,length(divisor)-1); - scale += length(divisior) - length(dividend); + scale += length(divisor) - length(dividend); So for lx = 3, ly = 9, scale = 10, scale will actually be 16 (10+9-3). Actually, the 'difference' added to the scale is calculated from the number of "significant digits" in dividend and divisor, which is derived @@ -3550,7 +3550,7 @@ This is how it works now: * to find out the current global P, use C<< Math::SomeClass->precision() >> * use C<< $x->accuracy() >> respective C<< $x->precision() >> for the local setting of C<< $x >>. - * Please note that C<< $x->accuracy() >> respecive C<< $x->precision() >> + * Please note that C<< $x->accuracy() >> respective C<< $x->precision() >> return eventually defined global A or P, when C<< $x >>'s A or P is not set. @@ -3596,7 +3596,7 @@ This is how it works now: be automatically cleared. * If two objects are involved in an operation, and one of them has A in effect, and the other P, this results in an error (NaN). - * A takes precendence over P (Hint: A comes before P). + * A takes precedence over P (Hint: A comes before P). If neither of them is defined, nothing is used, i.e. the result will have as many digits as it can (with an exception for fdiv/fsqrt) and will not be rounded. @@ -3614,7 +3614,7 @@ This is how it works now: + never round (this is the default): This is done by setting A and P to undef. No math operation will round the result, with fdiv() and fsqrt() as exceptions to guard - against overflows. You must explicitely call bround(), bfround() or + against overflows. You must explicitly call bround(), bfround() or round() (the latter with parameters). Note: Once you have rounded a number, the settings will 'stick' on it and 'infect' all other numbers engaged in math operations with it, since @@ -3734,7 +3734,7 @@ overloading these routines is not possible, this cannot be fixed from BigInt. =item ==, !=, <, >, <=, >= with NaNs BigInt's bcmp() routine currently returns undef to signal that a NaN was -involved in a comparisation. However, the overload code turns that into +involved in a comparison. However, the overload code turns that into either 1 or '' and thus operations like C<< NaN != NaN >> might return wrong values. @@ -3926,7 +3926,7 @@ more time then the actual addition. With a technique called copy-on-write, the cost of copying with overload could be minimized or even completely avoided. A test implementation of COW did show performance gains for overloaded math, but introduced a performance loss due -to a constant overhead for all other operatons. So Math::BigInt does currently +to a constant overhead for all other operations. So Math::BigInt does currently not COW. The rewritten version of this module (vs. v0.01) is slower on certain @@ -4133,7 +4133,7 @@ Additionally, the following still works: There is now a C<bsstr()> method to get the string in scientific notation aka C<1e+2> instead of C<100>. Be advised that overloaded 'eq' always uses bstr() -for comparisation, but Perl will represent some numbers as 100 and others +for comparison, but Perl will represent some numbers as 100 and others as 1e+308. If in doubt, convert both arguments to Math::BigInt before comparing them as strings: @@ -4147,7 +4147,7 @@ comparing them as strings: $y = Math::BigInt->new($y); ok ($x,$y); # okay -Alternatively, simple use C<< <=> >> for comparisations, this will get it +Alternatively, simple use C<< <=> >> for comparisons, this will get it always right. There is not yet a way to get a number automatically represented as a string that matches exactly the way Perl represents it. @@ -4173,7 +4173,7 @@ effect: This also works for other subclasses, like Math::String. -It is yet unlcear whether overloaded int() should return a scalar or a BigInt. +It is yet unclear whether overloaded int() should return a scalar or a BigInt. If you want a real Perl scalar, use C<numify()>: @@ -4203,7 +4203,7 @@ The following will probably not do what you expect: print $c->bdiv(10000),"\n"; It prints both quotient and remainder since print calls C<bdiv()> in list -context. Also, C<bdiv()> will modify $c, so be carefull. You probably want +context. Also, C<bdiv()> will modify $c, so be careful. You probably want to use print $c / 10000,"\n"; @@ -4232,7 +4232,7 @@ manpage), and the equation holds true for any $x and $y, which justifies calling the two return values of bdiv() the quotient and remainder. The only exception to this rule are when $y == 0 and $x is negative, then the remainder will also be -negative. See below under "infinity handling" for the reasoning behing this. +negative. See below under "infinity handling" for the reasoning behind this. Perl's 'use integer;' changes the behaviour of % and / for scalars, but will not change BigInt's way to do things. This is because under 'use integer' Perl @@ -4444,7 +4444,7 @@ Completely rewritten by Tels http://bloodgate.com in late 2000, 2001 - 2004 and still at it in 2005. Many people contributed in one or more ways to the final beast, see the file -CREDITS for an (uncomplete) list. If you miss your name, please drop me a +CREDITS for an (incomplete) list. If you miss your name, please drop me a mail. Thank you! =cut |