skmath (30dec18)

git-svn-id: svn://tug.org/texlive/trunk@49550 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 32 insertions, 2 deletions

diff --git a/Master/texmf-dist/tex/latex/skmath/skmath.sty b/Master/texmf-dist/tex/latex/skmath/skmath.sty
index 57a8fd6c3b7..e856f324f67 100644
--- a/Master/texmf-dist/tex/latex/skmath/skmath.sty
+++ b/Master/texmf-dist/tex/latex/skmath/skmath.sty
@@ -1,7 +1,7 @@
 %% This is file `skmath.sty', generated from `skmath.tex' (key `package').
 %% skmath improved math commands
 %%
-%% Copyright (C) 2012-2016 by Simon Sigurdhsson <sigurdhsson@gmail.com>
+%% Copyright (C) 2012-2019 by Simon Sigurdhsson <sigurdhsson@gmail.com>
 %%
 %% This work may be distributed and/or modified under the
 %% conditions of the LaTeX Project Public License, either version 1.3
@@ -20,7 +20,7 @@
 
 \RequirePackage{expl3,l3keys2e,xparse}
 \ProvidesExplPackage{skmath}
-    {2017/01/08}{0.4b}{improved math commands}
+    {2018/12/29}{0.5}{improved math commands}
 \PassOptionsToPackage{intlimits,sumlimits,namelimits}{amsmath}
 \RequirePackage{amssymb,mathtools,xfrac}
 \msg_new:nnnn{skmath}{undefined-macro}{The~macro~`\token_to_str:N#1'~was~undefined!}
@@ -36,6 +36,9 @@
 \cs_gset_nopar:Npn\__skmath_imaginary_unit:n#1{
   \msg_critical:nnn{skmath}{undefined-macro}{\__skmath_imaginary_unit:n}
 }
+\cs_gset_nopar:Npn\__skmath_total_derivative_d:{
+  \msg_critical:nnn{skmath}{undefined-macro}{\__skmath_total_derivative_d:n}
+}
 \keys_define:nn{skmath / internal}{
   % More on this:
   % * http://en.wikipedia.org/wiki/Typographical_conventions_in_mathematical_formulae
@@ -58,6 +61,10 @@
   imaginary-unit / slanted .code:n = { \cs_gset_nopar:Npn\__skmath_imaginary_unit:n##1{{##1}} },
   complex-part-symbols .bool_set_inverse:N = \g__skmath_iso_complex_parts_bool,
   complex-part-symbols .value_required:n = true,
+  total-derivative-d .choice:,
+  total-derivative-d .value_required:n = true,
+  total-derivative-d / upright .code:n = { \cs_gset_nopar:Npn\__skmath_total_derivative_d:{{\operator@font d}} },
+  total-derivative-d / slanted .code:n = { \cs_gset_nopar:Npn\__skmath_total_derivative_d:{{d}} },
 }
 \keys_define:nn{skmath}{
   commonsets .bool_set:N = \g__skmath_define_common_sets_bool,
@@ -71,6 +78,7 @@
     natural-log = upright,
     imaginary-unit = upright,
     complex-part-symbols = false,
+    total-derivative-d = upright,
   },
   notation / german .meta:nn = {skmath / internal}{
     integral-d = upright,
@@ -78,6 +86,7 @@
     natural-log = slanted, %???
     imaginary-unit = slanted, %???
     complex-part-symbols = true, %???
+    total-derivative-d = upright, %???
   },
   notation / english .meta:nn = {skmath / internal}{
     integral-d = slanted,
@@ -85,6 +94,7 @@
     natural-log = slanted, %???
     imaginary-unit = slanted, %???
     complex-part-symbols = true, %???
+    total-derivative-d = slanted, %???
   },
   notation / legacy .meta:nn = {skmath / internal}{
     integral-d = upright,
@@ -92,6 +102,7 @@
     natural-log = slanted,
     imaginary-unit = slanted,
     complex-part-symbols = true,
+    total-derivative-d = slanted,
   },
   % Possibly more style sets... ?
   notation .initial:n = legacy, % Or is it? Perhaps a legacy option is required.
@@ -231,6 +242,8 @@
     {\ensuremath{\__skmath_log:\__skmath_parens:n{#2}}}
     {\ensuremath{\__skmath_log:\c_math_subscript_token{#1}\__skmath_parens:n{#2}}}%
 }
+    \DeclareDocumentCommand\ee{}{\ensuremath{\__skmath_natural_log_e:}}
+    
 \RenewDocumentCommand\exp{sm}{\ensuremath{
   \IfBooleanTF{#1}{
     \__skmath_exp:\__skmath_parens:n{#2}
@@ -369,6 +382,18 @@
     \__skmath_pd_subscript_vars:n{#2}
   }
 }
+\cs_new_nopar:Npn\__skmath_td_fraction:nn#1#2{
+  \frac{
+    \__skmath_total_derivative_d:
+    \__skmath_pd_if_vars_sum_above_one:nT{#2}{
+      \c_math_superscript_token{\__skmath_pd_vars_sum:n{#2}}
+    }
+    {#1}
+  }{
+    \__skmath_total_derivative_d:
+    #2
+  }
+}
 \AtBeginDocument{%
 \DeclareDocumentCommand\bar{m}{%
     \ensuremath{\mkern 1.5mu\overline{\mkern-1.5mu{#1}\mkern-1.5mu}\mkern 1.5mu}}
@@ -379,6 +404,11 @@
       {\__skmath_pd_fraction:nn{#2}{#3}}
   }
 }
+\DeclareDocumentCommand\td{mm}{
+  \ensuremath{
+    \__skmath_td_fraction:nn{#1}{#2}
+  }
+}
 \DeclareDocumentCommand\d{m}{\ensuremath{\,\__skmath_integral_d: #1%
                               \peek_meaning_ignore_spaces:NT\d{\!}}}
 }