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124 .\" ========================================================================
126 .IX Title "Compare 3"
127 .TH Compare 3 "2002-10-25" "perl v5.8.7" "User Contributed Perl Documentation"
128 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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133 Number::Compare \- numeric comparisons
135 .IX Header "SYNOPSIS"
137 \& Number::Compare\->new(">1Ki")\->test(1025); # is 1025 > 1024
139 \& my $c = Number::Compare\->new(">1M");
140 \& $c\->(1_200_000); # slightly terser invocation
143 .IX Header "DESCRIPTION"
144 Number::Compare compiles a simple comparison to an anonymous
145 subroutine, which you can call with a value to be tested again.
147 Now this would be very pointless, if Number::Compare didn't understand
150 The target value may use magnitudes of kilobytes (\f(CW\*(C`k\*(C'\fR, \f(CW\*(C`ki\*(C'\fR),
151 megabytes (\f(CW\*(C`m\*(C'\fR, \f(CW\*(C`mi\*(C'\fR), or gigabytes (\f(CW\*(C`g\*(C'\fR, \f(CW\*(C`gi\*(C'\fR). Those suffixed
152 with an \f(CW\*(C`i\*(C'\fR use the appropriate 2**n version in accordance with the
153 \&\s-1IEC\s0 standard: http://physics.nist.gov/cuu/Units/binary.html
156 .ie n .SS "\->new( $test )"
157 .el .SS "\->new( \f(CW$test\fP )"
158 .IX Subsection "->new( $test )"
159 Returns a new object that compares the specified test.
160 .ie n .SS "\->test( $value )"
161 .el .SS "\->test( \f(CW$value\fP )"
162 .IX Subsection "->test( $value )"
163 A longhanded version of \f(CW$compare\fR\->( \f(CW$value\fR ). Predates blessed
164 subroutine reference implementation.
165 .ie n .SS "\->parse_to_perl( $test )"
166 .el .SS "\->parse_to_perl( \f(CW$test\fP )"
167 .IX Subsection "->parse_to_perl( $test )"
168 Returns a perl code fragment equivalent to the test.
171 Richard Clamp <richardc@unixbeard.net>
173 .IX Header "COPYRIGHT"
174 Copyright (C) 2002 Richard Clamp. All Rights Reserved.
176 This module is free software; you can redistribute it and/or modify it
177 under the same terms as Perl itself.
179 .IX Header "SEE ALSO"
180 http://physics.nist.gov/cuu/Units/binary.html