release 1.10.6

[descalc.git] / math.pm

diff --git a/math.pm b/math.pm
deleted file mode 100644 (file)
index b83ce16..0000000
--- a/math.pm
+++ /dev/null
@@ -1,86 +0,0 @@
-# menu for DCT, by Shiar
-
-# 1.09.1 2004-10-02 22:55 - moved from 1.9 main
-# 1.09.2 2004-10-11 20:50 - functions don't handle stack themselves,
-#                           but behave like real functions
-
-use strict;
-use warnings;
-use utf8;
-
-my %newaction = (
-       '+'    => [2, sub { $_[1] + $_[0] }], # addition
-       '-'    => [2, sub { $_[1] - $_[0] }], # substraction
-       '*'    => [2, sub { $_[1] * $_[0] }], # multiplication
-       '/'    => [2, sub { $_[1] / $_[0] }], # division
-       'mod'  => [2, sub { $_[1] % $_[0] }], # modulo
-
-       'inv'  => [1, sub { 1 / $_[0] }], # 1/x
-       'sqrt' => [1, sub { sqrt $_[0] }], # square root
-       'sq'   => [1, sub { $_[0] * $_[0] }], # squared
-       '^'    => [2, sub { $_[1] ** $_[0] }], # exponentiation
-       'xroot'=> [2, sub { $_[1] ** (1/$_[0]) }], # x-root of y
-
-       'log'  => [1, sub { log($_[0]) / log(10) }], # logarithm
-       'alog' => [1, sub { 10 ** $_[0] }], # 10^x
-       'ln'   => [1, sub { log $_[0] }], # natural logaritm
-       'lnp1' => [1, sub { log($_[0] + 1) }], # ln(x+1)
-       'exp'  => [1, sub { exp $_[0] }], # e^x
-       'expm' => [1, sub { exp($_[0]) - 1 }], # exp(x)-1
-
-       'sin'  => [1, sub { sin $_[0] }], # sine
-       'asin' => [1, sub { atan2($_[0], sqrt(1 - $_[0]*$_[0])) }], # inverse sine
-       'cos'  => [1, sub { cos $_[0] }], # cosine
-       'acos' => [1, sub { atan2(sqrt(1 - $_[0]*$_[0]), $_[0]) }], # inverse cosine
-       'tan'  => [1, sub { sin($_[0]) / cos($_[0]) }], # tangent
-#      'atan' => [1, sub { }], # arctangent
-
-       'sinh' => [1, sub { (exp($_[0]) - exp(-$_[0])) / 2 }], # hyperbolic sine
-       'cosh' => [1, sub { (exp($_[0]) + exp(-$_[0])) / 2 }], # hyperbolic cosine
-       'tanh' => [1, sub { (exp($_[0]) - exp(-$_[0])) / (exp($_[0]) + exp(-$_[0])) }], # hyperbolic tangent (sinh/cosh)
-       'asinh'=> [1, sub { log(sqrt($_[0]**2+1) + $_[0]) }], # inverse hyperbolic sine
-       'acosh'=> [1, sub { log(sqrt($_[0]**2-1) + $_[0]) }], # inverse hyperbolic cosine
-       'atanh'=> [1, sub { log((1+$_[0]) / (1-$_[0])) / 2 }], # inverse hyperbolic tangent
-
-       '%'    => [2, sub { $_[0] / $_[1] }], # percentage
-#      '%ch'  => [2, sub { $val{i} = 100*(shift(@_)-$val{i})/$val{i} }], # percentage change
-#      '%t'   => [2, sub { $val{i} = 100*$val{i}/shift(@_) }], # percentage total
-
-       'and'  => [2, sub { $_[1] & $_[0] }], # bitwise and
-       'or'   => [2, sub { $_[1] | $_[0] }], # bitwise or
-       'xor'  => [2, sub { $_[1] ^ $_[0] }], # bitwise xor
-       'not'  => [2, sub { ~$_[0] }], # bitwise not
-       'sl'   => [1, sub { $_[0] * 2 }], # shift left
-       'sr'   => [1, sub { $_[0] / 2 }], # shift right
-
-       'abs'  => [1, sub { abs $_[0] }], # absolute #todo
-       'sign' => [1, sub { $_[0] <=> 0 }], # sign
-       'ip'   => [1, sub { int $_[0] }], # integer part
-       'fp'   => [1, sub { $_[0] - int $_[0] }], # fractional part
-
-#      'rnd'  => [1, sub { local $_ = 10**$_[0]; $val{i} = int(($val{i}+.5)*$_)/$_ }], # round
-#      'trnc' => [1, sub { local $_ = 10**$_[0]; $val{i} = int($val{i}*$_)/$_ }], # truncate
-       'floor'=> [1, sub { int $_[0] }], # floor
-       'ceil' => [1, sub { int $_[0]+.9999 }], # ceil
-
-       'min'  => [2, sub { $_[1]<$_[0] ? $_[1] : $_[0] }], # minimum
-       'max'  => [2, sub { $_[1]>$_[0] ? $_[1] : $_[0] }], # maximum
-
-       'dec'  => [-1, sub { $::set{base} = 10; () }], # decimal
-       'bin'  => [-1, sub { $::set{base} = 2; () }], # binary
-       'oct'  => [-1, sub { $::set{base} = 8; () }], # octal
-       'hex'  => [-1, sub { $::set{base} = 16; () }], # hexadecimal
-       'base' => [1, sub { $::set{base} = $_[0]; () }], # alphanumerical
-
-       '!'    => [1, sub { my $res = $_[0]; $res *= $_ for 2..$res-1; $res }], # factor
-       'rand' => [0, sub { rand }], # random value <1
-); # newaction
-
-#while (my ($cmd, $val) = each %newaction) {
-#      $action{$cmd} = $val;
-#}
-
-$action{$_} = $newaction{$_} for keys %newaction;
-
-1;
-