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% ----------------------------------------------------------------------------
% the XSIM package - grades module
%
% eXercise Sheets IMproved
%
% ----------------------------------------------------------------------------
% Clemens Niederberger
% Web: https://github.com/cgnieder/xsim
% E-Mail: contact@mychemistry.eu
% ----------------------------------------------------------------------------
% Copyright 2017 Clemens Niederberger
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `maintained'.
%
% The Current Maintainer of this work is Clemens Niederberger.
% ----------------------------------------------------------------------------
% If you have any ideas, questions, suggestions or bugs to report, please
% feel free to contact me.
% ----------------------------------------------------------------------------
\XSIMmodule{grades}{distribute goal sums to grades}
\xsim_load_modules:n {goals}
\msg_new:nnn {xsim} {grade-unknown}
{ The~ grade~ `#1'~ has~ never~ been~ declared~ \msg_line_context: }
\bool_new:N \l__xsim_grades_half_bool
\fp_new:N \l__xsim_grade_round_fp
\fp_zero:N \l__xsim_grade_round_fp
\prop_new:N \l__xsim_relative_grades_prop
\tl_new:N \l__xsim_grade_split_tl
\cs_new:Npn \__xsim_fp_round_to_half:n #1
{ round( 2*(#1),0)/2 }
\cs_new:Npn \__xsim_grades_round:n #1
{ round ( #1 , \l__xsim_grade_round_fp ) }
% #1: factor
% #2: goal sum
\cs_new:Npn \__xsim_grade_rounded:nn #1#2
{
\bool_if:NTF \l__xsim_grades_half_bool
{ \__xsim_fp_round_to_half:n }
{ \__xsim_grades_round:n }
{ (#1) * (#2) }
}
\cs_new_protected:Npn \xsim_declare_relative_grades:n #1
{
\seq_set_split:NVn \l__xsim_tmpa_seq \l__xsim_grade_split_tl {#1}
\seq_map_inline:Nn \l__xsim_tmpa_seq
{ \__xsim_declare_relative_grade:w ##1 \q_stop }
\xsim_verbose:n {Declaring~ relative~ grade~ distribution}
}
\cs_new_protected:Npn \__xsim_declare_relative_grade:w #1 = #2 \q_stop
{
\tl_set:Nx \l__xsim_tmpa_tl { \tl_trim_spaces:n {#1} }
\tl_set:Nx \l__xsim_tmpb_tl { \tl_trim_spaces:n {#2} }
\prop_put:NVV \l__xsim_relative_grades_prop
\l__xsim_tmpa_tl
\l__xsim_tmpb_tl
}
% #1: grade
% #2: sum of points
% #3: code after grade requirement if == 1
% #4: code after grade requirement if != 1
\cs_new_protected:Npn \xsim_get_grade:nnnn #1#2#3#4
{
\prop_get:NnNTF \l__xsim_relative_grades_prop {#1} \l__xsim_tmpa_tl
{
\xsim_print_goal:nnn
{
min(
\__xsim_grade_rounded:nn
{ \l__xsim_tmpa_tl }
{#2} ,
#2
)
}
{#3}
{#4}
}
{ \msg_error:nnn {xsim} {grade-unknown} {#1} }
}
% #1: grade
% #2: goal
% #3: code after grade requirement if == 1
% #4: code after grade requirement if != 1
\cs_new_protected:Npn \xsim_get_grade_goal:nnnn #1#2#3#4
{
\xsim_if_goal_exists:nTF {#2}
{
\xsim_get_grade:nnnn
{#1}
{ \use:c {g__xsim_total_goal_#2_fp} }
{#3}
{#4}
}
{ \msg_error:nnn {xsim} {goal-unknown} {#2} }
}
% #1: grade
% #2: goal list (separated with +)
% #3: code after grade requirement if == 1
% #4: code after grade requirement if != 1
\cs_new_protected:Npn \xsim_get_grade_requirement:nnnn #1#2#3#4
{
\seq_set_split:Nnn \l__xsim_tmpa_seq {+} {#2}
\fp_zero:N \l__xsim_tmpa_fp
\seq_map_inline:Nn \l__xsim_tmpa_seq
{
\fp_add:Nn \l__xsim_tmpa_fp
{ \use:c {g__xsim_total_goal_\tl_trim_spaces:n {##1} _fp} }
}
\xsim_get_grade:nnnn {#1} { \l__xsim_tmpa_fp } {#3} {#4}
}
% #1: grade
% #2: code after grade requirement if == 1
% #3: code after grade requirement if != 1
\cs_new_protected:Npn \xsim_get_absolute_grade_requirement:nnn #1#2#3
{
\fp_zero:N \l__xsim_tmpa_fp
\xsim_foreach_goal:n
{
\fp_add:Nn \l__xsim_tmpa_fp
{ \use:c {g__xsim_total_goal_##1_fp} }
}
\xsim_get_grade:nnnn {#1} { \l__xsim_tmpa_fp } {#2} {#3}
}
\keys_define:nn {xsim/grades}
{
round .fp_set:N = \l__xsim_grade_round_fp ,
half .bool_set:N = \l__xsim_grades_half_bool ,
split .tl_set:N = \l__xsim_grade_split_tl ,
split .initial:n = {,}
}
% ----------------------------------------------------------------------------
\tex_endinput:D
|
