[system] / trunk / webwork / system / courseScripts / PGgraphmacros.pl Repository:
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Revision 59 Revision 60
77 77
78=cut 78=cut
79BEGIN { 79BEGIN {
80 be_strict(); 80 be_strict();
81} 81}
82sub _PGgraphmacros_init {
83
84
85}
82sub _PGgraphmacros_export { 86#sub _PGgraphmacros_export {
83 87#
84 my @EXPORT = ( 88# my @EXPORT = (
85 '&init_graph', '&add_functions', '&plot_functions', '&open_circle', 89# '&init_graph', '&add_functions', '&plot_functions', '&open_circle',
86 '&closed_circle', '&my_math_constants', '&string_to_sub', 90# '&closed_circle', '&my_math_constants', '&string_to_sub',
87 ); 91# );
88 @EXPORT; 92# @EXPORT;
89} 93#}
90 94
91sub init_graph { 95sub init_graph {
92 my ($xmin,$ymin,$xmax,$ymax,%options) = @_; 96 my ($xmin,$ymin,$xmax,$ymax,%options) = @_;
93 my @size; 97 my @size;
94 if ( defined($options{'size'}) ) { 98 if ( defined($options{'size'}) ) {

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