xint (19may18)

git-svn-id: svn://tug.org/texlive/trunk@47772 c570f23f-e606-0410-a88d-b1316a301751

10 files changed, 315 insertions, 35 deletions

diff --git a/Master/texmf-dist/tex/generic/xint/xint.sty b/Master/texmf-dist/tex/generic/xint/xint.sty
index 80548342812..428de889050 100644
--- a/Master/texmf-dist/tex/generic/xint/xint.sty
+++ b/Master/texmf-dist/tex/generic/xint/xint.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xint: Expandable operations on big integers
 %% ---------------------------------------------------------------
@@ -70,13 +70,19 @@
 \XINTsetupcatcodes% defined in xintkernel.sty (loaded by xintcore.sty)
 \XINT_providespackage
 \ProvidesPackage{xint}%
-  [2018/03/07 1.3a Expandable operations on big integers (JFB)]%
+  [2018/05/18 1.3b Expandable operations on big integers (JFB)]%
 \long\def\xint_firstofthree  #1#2#3{#1}%
 \long\def\xint_secondofthree #1#2#3{#2}%
 \long\def\xint_thirdofthree  #1#2#3{#3}%
 \long\def\xint_firstofthree_thenstop  #1#2#3{ #1}% 1.09i
 \long\def\xint_secondofthree_thenstop #1#2#3{ #2}%
 \long\def\xint_thirdofthree_thenstop  #1#2#3{ #3}%
+\ifdefined\xint_texuniformdeviate
+  \unless\ifdefined\xint_c_nine_x^viii
+      \csname newcount\endcsname\xint_c_nine_x^viii
+      \xint_c_nine_x^viii 900000000
+  \fi
+\fi
 \def\xintiLen {\romannumeral0\xintilen }%
 \def\xintilen #1{\def\xintilen ##1%
 {%
@@ -1372,6 +1378,147 @@
 \def\xintBool #1{\romannumeral`&&@%
                  \csname if#1\endcsname\expandafter1\else\expandafter0\fi }%
 \def\xintToggle #1{\romannumeral`&&@\iftoggle{#1}{1}{0}}%
+\def\xintRandomDigits{\romannumeral0\xintrandomdigits}%
+\def\xintrandomdigits#1%
+{%
+    \csname xint_gob_andstop_\expandafter\XINT_randomdigits\the\numexpr#1\xint:
+}%
+\def\XINT_randomdigits#1\xint:
+{%
+    \expandafter\XINT_randomdigits_a
+    \the\numexpr(#1+\xint_c_iii)/\xint_c_viii\xint:#1\xint:
+}%
+\def\XINT_randomdigits_a#1\xint:#2\xint:
+{%
+    \romannumeral\numexpr\xint_c_viii*#1-#2\csname XINT_%
+      \romannumeral\XINT_replicate #1\endcsname \csname
+    XINT_rdg\endcsname
+}%
+\def\XINT_rdg
+{%
+    \expandafter\XINT_rdg_aux\the\numexpr%
+                 \xint_c_nine_x^viii%
+                                -\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^vii*\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^xiv*\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^xxi*\xint_texuniformdeviate\xint_c_ii^vii%
+                 +\xint_texuniformdeviate\xint_c_x^viii%
+                 \relax%
+}%
+\def\XINT_rdg_aux#1{XINT_rdg\endcsname}%
+\let\XINT_XINT_rdg\endcsname
+\def\XINT_eightrandomdigits
+{%
+     \expandafter\xint_gobble_i\the\numexpr%
+                 \xint_c_nine_x^viii%
+                                -\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^vii*\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^xiv*\xint_texuniformdeviate\xint_c_ii^vii%
+                 -\xint_c_ii^xxi*\xint_texuniformdeviate\xint_c_ii^vii%
+                 +\xint_texuniformdeviate\xint_c_x^viii%
+                 \relax%
+}%
+\def\xintXRandomDigits#1%
+{%
+    \csname xint_gobble_\expandafter\XINT_xrandomdigits\the\numexpr#1\xint:
+}%
+\def\XINT_xrandomdigits#1\xint:
+{%
+    \expandafter\XINT_xrandomdigits_a
+    \the\numexpr(#1+\xint_c_iii)/\xint_c_viii\xint:#1\xint:
+}%
+\def\XINT_xrandomdigits_a#1\xint:#2\xint:
+{%
+    \romannumeral\numexpr\xint_c_viii*#1-#2\expandafter\endcsname
+    \romannumeral`&&@\romannumeral
+                     \XINT_replicate #1\endcsname\XINT_eightrandomdigits
+}%
+\def\xintiiRandRangeAtoB{\romannumeral`&&@\xintiirandrangeAtoB}%
+\def\xintiirandrangeAtoB#1%
+{%
+    \expandafter\XINT_randrangeAtoB_a\romannumeral`&&@#1\xint:
+}%
+\def\XINT_randrangeAtoB_a#1\xint:#2%
+{%
+    \xintiiadd{\expandafter\XINT_randrange
+               \romannumeral0\xintiisub{#2}{#1}\xint:}%
+              {#1}%
+}%
+\def\xintiiRandRange{\romannumeral`&&@\xintiirandrange}%
+\def\xintiirandrange#1%
+{%
+    \expandafter\XINT_randrange\romannumeral`&&@#1\xint:
+}%
+\def\XINT_randrange #1%
+{%
+    \xint_UDzerominusfork
+      #1-\XINT_randrange_err:empty
+      0#1\XINT_randrange_err:empty
+       0-\XINT_randrange_a
+    \krof #1%
+}%
+\def\XINT_randrange_err:empty#1\xint:
+{%
+    \XINT_expandableerror{Empty range for randrange.} 0%
+}%
+\def\XINT_randrange_a #1\xint:
+{%
+    \expandafter\XINT_randrange_b\romannumeral0\xintlength{#1}.#1\xint:
+}%
+\def\XINT_randrange_b #1.%
+{%
+    \ifnum#1<\xint_c_x\xint_dothis{\the\numexpr\XINT_uniformdeviate{}}\fi
+    \xint_orthat{\XINT_randrange_c #1.}%
+}%
+\def\XINT_randrange_c #1.#2#3#4#5#6#7#8#9%
+{%
+    \expandafter\XINT_randrange_d
+    \the\numexpr\expandafter\XINT_uniformdeviate\expandafter
+       {\expandafter}\the\numexpr\xint_c_i+#2#3#4#5#6#7#8#9\xint:\xint:
+    #2#3#4#5#6#7#8#9\xint:#1\xint:
+}%
+\def\XINT_randrange_d #1\xint:#2\xint:
+{%
+    \ifnum#1=\xint_c_\xint_dothis\XINT_randrange_Z\fi
+    \ifnum#1=#2 \xint_dothis\XINT_randrange_A\fi
+    \xint_orthat\XINT_randrange_e #1\xint:
+}%
+\def\XINT_randrange_e #1\xint:#2\xint:#3\xint:
+{%
+    \the\numexpr#1\expandafter\relax
+    \romannumeral0\xintrandomdigits{#2-\xint_c_viii}%
+}%
+\def\XINT_randrange_Z 0\xint:#1\xint:#2\xint:
+{%
+    \xintinum{\xintRandomDigits{#1-\xint_c_viii}}%
+}%
+\def\XINT_randrange_A #1\xint:#2\xint:#3\xint:
+{%
+    \expandafter\XINT_randrange_B
+    \romannumeral0\xintrandomdigits{#2-\xint_c_viii}\xint:
+    #3\xint:#2.#1\xint:
+}%
+\def\XINT_randrange_B #1\xint:#2\xint:#3.#4\xint:
+{%
+    \xintiiifLt{#1}{#2}{\XINT_randrange_E}{\XINT_randrange_again}%
+    #4#1\xint:#3.#4#2\xint:
+}%
+\def\XINT_randrange_E #1\xint:#2\xint:{ #1}%
+\def\XINT_randrange_again #1\xint:{\XINT_randrange_c}%
+\ifdefined\xint_texuniformdeviate
+\else
+  \def\xintrandomdigits#1%
+  {%
+      \XINT_expandableerror
+      {No uniformdeviate at engine level, returning 0.} 0%
+  }%
+  \let\xintXRandomDigits\xintRandomDigits
+  \def\XINT_randrange#1\xint:
+  {%
+      \XINT_expandableerror
+      {No uniformdeviate at engine level, returning 0.} 0%
+  }%
+\fi
 \XINT_restorecatcodes_endinput%
 \endinput
 %%
diff --git a/Master/texmf-dist/tex/generic/xint/xintbinhex.sty b/Master/texmf-dist/tex/generic/xint/xintbinhex.sty
index 78c9566ce06..c03355c16be 100644
--- a/Master/texmf-dist/tex/generic/xint/xintbinhex.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintbinhex.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintbinhex: Expandable binary and hexadecimal conversions
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintbinhex}%
-  [2018/03/07 1.3a Expandable binary and hexadecimal conversions (JFB)]%
+  [2018/05/18 1.3b Expandable binary and hexadecimal conversions (JFB)]%
 \newcount\xint_c_ii^xv  \xint_c_ii^xv   32768
 \newcount\xint_c_ii^xvi \xint_c_ii^xvi  65536
 \def\XINT_tmpa #1{\ifx\relax#1\else
diff --git a/Master/texmf-dist/tex/generic/xint/xintcfrac.sty b/Master/texmf-dist/tex/generic/xint/xintcfrac.sty
index e402cc59e6a..881239a5e4f 100644
--- a/Master/texmf-dist/tex/generic/xint/xintcfrac.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintcfrac.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintcfrac: Expandable continued fractions with xint package
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintcfrac}%
-  [2018/03/07 1.3a Expandable continued fractions with xint package (JFB)]%
+  [2018/05/18 1.3b Expandable continued fractions with xint package (JFB)]%
 \def\xintCFrac {\romannumeral0\xintcfrac }%
 \def\xintcfrac #1%
 {%
diff --git a/Master/texmf-dist/tex/generic/xint/xintcore.sty b/Master/texmf-dist/tex/generic/xint/xintcore.sty
index e33963a9c30..ff4fdfed9ef 100644
--- a/Master/texmf-dist/tex/generic/xint/xintcore.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintcore.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintcore: Expandable arithmetic on big integers
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintcore}%
-  [2018/03/07 1.3a Expandable arithmetic on big integers (JFB)]%
+  [2018/05/18 1.3b Expandable arithmetic on big integers (JFB)]%
 \csname XINT_Clamped_istrapped\endcsname
 \csname XINT_ConversionSyntax_istrapped\endcsname
 \csname XINT_DivisionByZero_istrapped\endcsname
@@ -141,7 +141,9 @@
 \catcode`. 12
 \ifdefined\m@ne\let\xint_c_mone\m@ne
           \else\csname newcount\endcsname\xint_c_mone \xint_c_mone -1 \fi
-\newcount\xint_c_x^viii                  \xint_c_x^viii   100000000
+\ifdefined\xint_c_x^viii\else
+\csname newcount\endcsname\xint_c_x^viii \xint_c_x^viii   100000000
+\fi
 \ifdefined\xint_c_x^ix\else
 \csname newcount\endcsname\xint_c_x^ix   \xint_c_x^ix    1000000000
 \fi
diff --git a/Master/texmf-dist/tex/generic/xint/xintexpr.sty b/Master/texmf-dist/tex/generic/xint/xintexpr.sty
index 68fa92e62d3..05a7bad4a86 100644
--- a/Master/texmf-dist/tex/generic/xint/xintexpr.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintexpr.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintexpr: Expandable expression parser
 %% ---------------------------------------------------------------
@@ -81,7 +81,7 @@
 \XINTsetupcatcodes%
 \XINT_providespackage
 \ProvidesPackage{xintexpr}%
-  [2018/03/07 1.3a Expandable expression parser (JFB)]%
+  [2018/05/18 1.3b Expandable expression parser (JFB)]%
 \catcode`! 11
 \let\XINT_Cmp \xintiiCmp
 \def\xint_gob_til_! #1!{}% ! with catcode 11
@@ -305,12 +305,14 @@
 \def\XINT_expr_scan_macropar #1#2{\expandafter\XINT_expr_getop\csname .=#1#2\endcsname }%
 \catcode96 11 % `
 \def\XINT_expr_scan_nbr_or_func #1% this #1 has necessarily here catcode 12
-{%
+{%(
+    \if )#1\xint_dothis \XINT_expr_gotnil \fi
     \if "#1\xint_dothis \XINT_expr_scanhex_I\fi
     \if `#1\xint_dothis {\XINT_expr_onliteral_`}\fi
     \ifnum \xint_c_ix<1#1 \xint_dothis \XINT_expr_startint\fi
     \xint_orthat \XINT_expr_scanfunc #1%
 }%
+\def\XINT_expr_gotnil{\expandafter\XINT_expr_getop\csname.= \endcsname}%
 \def\XINT_expr_onliteral_` #1#2#3({\xint_c_xviii `{#2}}%
 \catcode96 12 % `
 \def\XINT_expr_startint #1%
@@ -1435,6 +1437,10 @@
         {\expandafter\XINT_expr_getop\csname .=\xintRaw{#1}\endcsname }%
 \def\XINT_expr_onliteral_qfloat #1)%
         {\expandafter\XINT_expr_getop\csname .=\XINTinFloatdigits{#1}\endcsname }%
+\def\XINT_expr_onliteral_random #1)%
+   {\expandafter\XINT_expr_getop\csname .=\XINTinRandomFloatSdigits\endcsname }%
+\def\XINT_expr_onliteral_qrand #1)%
+   {\expandafter\XINT_expr_getop\csname .=\XINTinRandomFloatSixteen\endcsname }%
 \def\XINT_expr_op__  #1% op__ with two _'s
      {%
          \ifcsname XINT_expr_var_#1\endcsname
@@ -2054,13 +2060,13 @@
                      \expandafter\xint_secondoftwo\fi
     {#4}{#5[\xintNum{#2}]}{#1}%
 }%
-\def\XINT:expr:one:or:two #1,#2,#3!#4#5%
+\def\XINT:expr:tacitzeroifonearg #1,#2,#3!#4#5%
 {%
     \if\relax#3\relax\expandafter\xint_firstoftwo\else
                      \expandafter\xint_secondoftwo\fi
     {#4{0}}{#5{\xintNum{#2}}}{#1}%
 }%
-\def\XINT:iiexpr:one:or:two #1,#2,#3!#4%
+\def\XINT:iiexpr:tacitzeroifonearg #1,#2,#3!#4%
 {%
     \if\relax#3\relax\expandafter\xint_firstoftwo\else
                      \expandafter\xint_secondoftwo\fi
@@ -2257,7 +2263,7 @@
 \def\XINT_expr_func_round #1#2#3%
 {%
     \expandafter #1\expandafter #2\csname.=%
-    \expandafter\XINT:expr:one:or:two
+    \expandafter\XINT:expr:tacitzeroifonearg
     \romannumeral`&&@\XINT_expr_unlock #3,,!\xintiRound\xintRound
     \endcsname
 }%
@@ -2265,14 +2271,14 @@
 \def\XINT_iiexpr_func_round #1#2#3%
 {%
     \expandafter #1\expandafter #2\csname.=%
-    \expandafter\XINT:iiexpr:one:or:two
+    \expandafter\XINT:iiexpr:tacitzeroifonearg
     \romannumeral`&&@\XINT_expr_unlock #3,,!\xintiRound
     \endcsname
 }%
 \def\XINT_expr_func_trunc #1#2#3%
 {%
     \expandafter #1\expandafter #2\csname.=%
-    \expandafter\XINT:expr:one:or:two
+    \expandafter\XINT:expr:tacitzeroifonearg
     \romannumeral`&&@\XINT_expr_unlock #3,,!\xintiTrunc\xintTrunc
     \endcsname
 }%
@@ -2280,7 +2286,7 @@
 \def\XINT_iiexpr_func_trunc #1#2#3%
 {%
     \expandafter #1\expandafter #2\csname.=%
-    \expandafter\XINT:iiexpr:one:or:two
+    \expandafter\XINT:iiexpr:tacitzeroifonearg
     \romannumeral`&&@\XINT_expr_unlock #3,,!\xintiTrunc
     \endcsname
 }%
@@ -2376,6 +2382,35 @@
     \romannumeral`&&@\XINT_expr_unlock #3,!\xintiiPFactorial
     \endcsname
 }%
+\def\XINT_expr_func_randrange #1#2#3%
+{%
+    \expandafter #1\expandafter #2\csname.=%
+    \expandafter\XINT:expr:randrange
+    \romannumeral`&&@\XINT_expr_unlock #3,,!%
+    \endcsname
+}%
+\let\XINT_flexpr_func_randrange\XINT_expr_func_randrange
+\def\XINT_iiexpr_func_randrange #1#2#3%
+{%
+    \expandafter #1\expandafter #2\csname.=%
+    \expandafter\XINT:iiexpr:randrange
+    \romannumeral`&&@\XINT_expr_unlock #3,,!%
+    \endcsname
+}%
+\def\XINT:expr:randrange #1,#2,#3!%
+{%
+    \if\relax#3\relax\expandafter\xint_firstoftwo\else
+                     \expandafter\xint_secondoftwo\fi
+    {\xintiiRandRange{\XINT:NEhook:one\xintNum{#1}}}%
+    {\xintiiRandRangeAtoB{\XINT:NEhook:one\xintNum{#1}}%
+                         {\XINT:NEhook:one\xintNum{#2}}}%
+}%
+\def\XINT:iiexpr:randrange #1,#2,#3!%
+{%
+    \if\relax#3\relax\expandafter\xint_firstoftwo\else
+                     \expandafter\xint_secondoftwo\fi
+    {\xintiiRandRange{#1}}{\xintiiRandRangeAtoB{#1}{#2}}%
+}%
 \def\XINT_expr_func_quo #1#2#3%
 {%
     \expandafter #1\expandafter #2\csname.=%
@@ -2859,13 +2894,13 @@
                      \expandafter\xint_secondoftwo\fi
     {\XINT:NE:one#4}{\XINT:NE:oneopt#5[\XINT:NE:one\xintNum{#2}]}{#1}%
 }%
-\def\XINT:newexpr:one:or:two #1,#2,#3!#4#5%
+\def\XINT:newexpr:tacitzeroifonearg #1,#2,#3!#4#5%
 {%
     \if\relax#3\relax\expandafter\xint_firstoftwo\else
                      \expandafter\xint_secondoftwo\fi
     {\XINT:NE:two#4{0}}{\XINT:NE:two#5{\XINT:NE:one\xintNum{#2}}}{#1}%
 }%
-\def\XINT:newiiexpr:one:or:two #1,#2,#3!#4%
+\def\XINT:newiiexpr:tacitzeroifonearg #1,#2,#3!#4%
 {%
     \if\relax#3\relax\expandafter\xint_firstoftwo\else
                      \expandafter\xint_secondoftwo\fi
@@ -2943,9 +2978,11 @@
   \let\XINT:NEhook:one\XINT:NE:one
   \let\XINT:NEhook:two\XINT:NE:two
   \let\XINT:NEhook:csv\XINT:NE:csv
-  \let\XINT:expr:one:and:opt  \XINT:newexpr:one:and:opt
-  \let\XINT:expr:one:or:two   \XINT:newexpr:one:or:two
-  \let\XINT:iiexpr:one:or:two \XINT:newiiexpr:one:or:two
+  \let\XINT:expr:one:and:opt         \XINT:newexpr:one:and:opt
+  \let\XINT:expr:one:or:two:nums     \XINT:newexpr:one:or:two:nums
+  \let\XINT:iiexpr:one:or:two:       \XINT:newiiexpr:one:or:two:
+  \let\XINT:expr:tacitzeroifonearg   \XINT:newexpr:tacitzeroifonearg
+  \let\XINT:iiexpr:tacitzeroifonearg \XINT:newiiexpr:tacitzeroifonearg
   \let\XINT:expr:two:to:two   \XINT:newexpr:two:to:two
   \let\XINT:expr:two:to:one   \XINT:newexpr:two:to:one
   \let\XINT:flexpr:two:to:one \XINT:newflexpr:two:to:one
@@ -2979,6 +3016,10 @@
   \def\xintListSel:x:csv  {~xintListSel:f:csv }%
   \let\XINT:expr:userfunc \XINT:newexpr:userfunc
   \let\XINT:expr:macrofunc\XINT:newexpr:macrofunc
+  \def\XINTinRandomFloatSdigits{~XINTinRandomFloatSdigits }%
+  \def\XINTinRandomFloatSixteen{~XINTinRandomFloatSixteen }%
+  \def\xintiiRandRange{~xintiiRandRange }%
+  \def\xintiiRandRangeAtoB{~xintiiRandRangeAtoB }%
 }%
 \def\XINT_expr_redefineprints
 {%
diff --git a/Master/texmf-dist/tex/generic/xint/xintfrac.sty b/Master/texmf-dist/tex/generic/xint/xintfrac.sty
index 4c727e3f522..3edaf936f19 100644
--- a/Master/texmf-dist/tex/generic/xint/xintfrac.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintfrac.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintfrac: Expandable operations on fractions
 %% ---------------------------------------------------------------
@@ -75,7 +75,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintfrac}%
-  [2018/03/07 1.3a Expandable operations on fractions (JFB)]%
+  [2018/05/18 1.3b Expandable operations on fractions (JFB)]%
 \def\XINT_cntSgnFork #1%
 {%
     \ifcase #1\expandafter\xint_secondofthree
@@ -3222,6 +3222,35 @@
   \ifnum#3<\xint_c_\xint_dothis\xint_secondoftwo_thenstop\fi
   \xint_orthat\xint_firstoftwo_thenstop
 }%
+\def\XINTinRandomFloatS{\romannumeral0\XINTinrandomfloatS}%
+\def\XINTinRandomFloatSdigits{\XINTinRandomFloatS[\XINTdigits]}%
+\def\XINTinrandomfloatS[#1]%
+{%
+    \expandafter\XINT_inrandomfloatS\the\numexpr\xint_c_-(#1)\xint:
+}%
+\def\XINT_inrandomfloatS-#1\xint:
+{%
+    \expandafter\XINT_inrandomfloatS_a
+    \romannumeral0\xintrandomdigits{#1}[-#1]%
+}%
+\def\XINT_inrandomfloatS_a#1%
+{%
+    \if#10\xint_dothis{\XINT_inrandomfloatS_b}\fi
+    \xint_orthat{ #1}%
+}%[
+\def\XINT_inrandomfloatS_b#1%
+{%
+    \if#1[\xint_dothis{\XINT_inrandomfloatS_zero}\fi% ]
+    \if#10\xint_dothis{\XINT_inrandomfloatS_b}\fi
+    \xint_orthat{ #1}%
+}%[
+\def\XINT_inrandomfloatS_zero#1]{ 0[0]}%
+\def\XINTinRandomFloatSixteen%
+{%
+    \romannumeral0\expandafter\XINT_inrandomfloatS_a
+    \romannumeral`&&@\expandafter\XINT_eightrandomdigits
+                \romannumeral`&&@\XINT_eightrandomdigits[-16]%
+}%
 \XINT_restorecatcodes_endinput%
 \endinput
 %%
diff --git a/Master/texmf-dist/tex/generic/xint/xintgcd.sty b/Master/texmf-dist/tex/generic/xint/xintgcd.sty
index 43a1c1c3ee8..8c524d1e714 100644
--- a/Master/texmf-dist/tex/generic/xint/xintgcd.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintgcd.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintgcd: Euclidean algorithm with xint package
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintgcd}%
-  [2018/03/07 1.3a Euclide algorithm with xint package (JFB)]%
+  [2018/05/18 1.3b Euclide algorithm with xint package (JFB)]%
 \def\xintGCD {\romannumeral0\xintgcd }%
 \def\xintgcd #1#2{\xintiigcd {\xintNum{#1}}{\xintNum{#2}}}%
 \def\xintiiGCD {\romannumeral0\xintiigcd }%
diff --git a/Master/texmf-dist/tex/generic/xint/xintkernel.sty b/Master/texmf-dist/tex/generic/xint/xintkernel.sty
index 56066d5fabe..38850e85ba2 100644
--- a/Master/texmf-dist/tex/generic/xint/xintkernel.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintkernel.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintkernel: Paraphernalia for the xint packages
 %% ---------------------------------------------------------------
@@ -156,7 +156,7 @@
 \fi
 \XINT_providespackage
 \ProvidesPackage {xintkernel}%
-  [2018/03/07 1.3a Paraphernalia for the xint packages (JFB)]%
+  [2018/05/18 1.3b Paraphernalia for the xint packages (JFB)]%
 \chardef\xint_c_     0
 \chardef\xint_c_i    1
 \chardef\xint_c_ii   2
@@ -179,6 +179,15 @@
 \mathchardef\xint_c_ii^viii  256
 \mathchardef\xint_c_ii^xii  4096
 \mathchardef\xint_c_x^iv   10000
+\ifdefined\pdfuniformdeviate  \let\xint_texuniformdeviate\pdfuniformdeviate\fi
+\ifdefined\uniformdeviate     \let\xint_texuniformdeviate\uniformdeviate   \fi
+\ifx\xint_texuniformdeviate\relax\let\xint_texuniformdeviate\xint_undefined\fi
+\ifdefined\xint_texuniformdeviate
+  \csname newcount\endcsname\xint_c_ii^xiv
+  \xint_c_ii^xiv   16384 % "4000, 2**14
+  \csname newcount\endcsname\xint_c_ii^xxi
+  \xint_c_ii^xxi 2097152 % "200000, 2**21
+\fi
 \def\XINT_tmpa { }%
 \ifx\XINT_tmpa\space\else
    \immediate\write-1{Package xintkernel Warning: ATTENTION!}%
@@ -207,10 +216,19 @@
 \long\def\xint_gobble_vi   #1#2#3#4#5#6{}%
 \long\def\xint_gobble_vii  #1#2#3#4#5#6#7{}%
 \long\def\xint_gobble_viii #1#2#3#4#5#6#7#8{}%
+\let\xint_gob_andstop_\space
+\long\def\xint_gob_andstop_i    #1{ }%
+\long\def\xint_gob_andstop_ii   #1#2{ }%
+\long\def\xint_gob_andstop_iii  #1#2#3{ }%
+\long\def\xint_gob_andstop_iv   #1#2#3#4{ }%
+\long\def\xint_gob_andstop_v    #1#2#3#4#5{ }%
+\long\def\xint_gob_andstop_vi   #1#2#3#4#5#6{ }%
+\long\def\xint_gob_andstop_vii  #1#2#3#4#5#6#7{ }%
+\long\def\xint_gob_andstop_viii #1#2#3#4#5#6#7#8{ }%
 \long\def\xint_firstofone  #1{#1}%
 \long\def\xint_firstoftwo  #1#2{#1}%
 \long\def\xint_secondoftwo #1#2{#2}%
-\long\def\xint_gobble_thenstop  #1{ }%
+\let\xint_gobble_thenstop\xint_gob_andstop_i
 \long\def\xint_firstofone_thenstop  #1{ #1}%
 \long\def\xint_firstoftwo_thenstop  #1#2{ #1}%
 \long\def\xint_secondoftwo_thenstop #1#2{ #2}%
@@ -507,6 +525,44 @@
  {\noexpand\csname XINT_g66\expandafter\noexpand\csname XINT_g61\endcsname}%
 \expandafter\edef\csname XINT_g68\endcsname
  {\noexpand\csname XINT_g67\expandafter\noexpand\csname XINT_g61\endcsname}%
+\ifdefined\xint_texuniformdeviate
+     \expandafter\xint_firstoftwo
+\else\expandafter\xint_secondoftwo
+\fi
+{%
+  \def\xintUniformDeviate#1%
+     {\the\numexpr\expandafter\XINT_uniformdeviate_sgnfork\the\numexpr#1\xint:}%
+  \def\XINT_uniformdeviate_sgnfork#1%
+  {%
+     \if-#1\XINT_uniformdeviate_neg\fi \XINT_uniformdeviate{}#1%
+  }%
+  \def\XINT_uniformdeviate_neg\fi\XINT_uniformdeviate#1-%
+  {%
+      \fi-\numexpr\XINT_uniformdeviate\relax
+  }%
+  \def\XINT_uniformdeviate#1#2\xint:
+  {%(
+      \expandafter\XINT_uniformdeviate_a\the\numexpr%
+                   -\xint_texuniformdeviate\xint_c_ii^vii%
+                   -\xint_c_ii^vii*\xint_texuniformdeviate\xint_c_ii^vii%
+                   -\xint_c_ii^xiv*\xint_texuniformdeviate\xint_c_ii^vii%
+                   -\xint_c_ii^xxi*\xint_texuniformdeviate\xint_c_ii^vii%
+                   +\xint_texuniformdeviate#2\xint:/#2)*#2\xint:+#2\fi\relax#1%
+  }%
+  \def\XINT_uniformdeviate_a #1\xint:
+  {%
+      \expandafter\XINT_uniformdeviate_b\the\numexpr#1-(#1%
+  }%
+  \def\XINT_uniformdeviate_b#1#2\xint:{#1#2\if-#1}%
+}%
+{%
+  \def\xintUniformDeviate#1%
+  {%
+      \the\numexpr
+      \XINT_expandableerror{No uniformdeviate at engine level, returning 0.}%
+      0\relax
+  }%
+}%
 \def\xintMessage #1#2#3{%
     \immediate\write128{Package #1 #2: (on line \the\inputlineno)}%
     \immediate\write128{\space\space\space\space#3}%
@@ -519,7 +575,7 @@
     \def\XINT_expandableerror_continue ##1#1##2#1{##1}%
 }%
 \begingroup\lccode`$ 32 \catcode`/ 11 \catcode`! 11 \catcode32 11 %
-\lowercase{\endgroup\XINT_expandableerror$\ ! /}%
+\lowercase{\endgroup\XINT_expandableerror$\ ! /\let\ ! /\xint_undefined}%
 \XINT_restorecatcodes_endinput%
 \endinput
 %%
diff --git a/Master/texmf-dist/tex/generic/xint/xintseries.sty b/Master/texmf-dist/tex/generic/xint/xintseries.sty
index df418b8d4ab..3e3ae687d5f 100644
--- a/Master/texmf-dist/tex/generic/xint/xintseries.sty
+++ b/Master/texmf-dist/tex/generic/xint/xintseries.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xintseries: Expandable partial sums with xint package
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xintseries}%
-  [2018/03/07 1.3a Expandable partial sums with xint package (JFB)]%
+  [2018/05/18 1.3b Expandable partial sums with xint package (JFB)]%
 \def\xintSeries {\romannumeral0\xintseries }%
 \def\xintseries #1#2%
 {%
diff --git a/Master/texmf-dist/tex/generic/xint/xinttools.sty b/Master/texmf-dist/tex/generic/xint/xinttools.sty
index 6143680afb8..ac659b8c749 100644
--- a/Master/texmf-dist/tex/generic/xint/xinttools.sty
+++ b/Master/texmf-dist/tex/generic/xint/xinttools.sty
@@ -21,7 +21,7 @@
 %% same distribution. (The sources need not necessarily be
 %% in the same archive or directory.)
 %% ---------------------------------------------------------------
-%% The xint bundle 1.3a 2018/03/07
+%% The xint bundle 1.3b 2018/05/18
 %% Copyright (C) 2013-2018 by Jean-Francois Burnol
 %% xinttools: Expandable and non-expandable utilities
 %% ---------------------------------------------------------------
@@ -70,7 +70,7 @@
 \XINTsetupcatcodes% defined in xintkernel.sty
 \XINT_providespackage
 \ProvidesPackage{xinttools}%
-  [2018/03/07 1.3a Expandable and non-expandable utilities (JFB)]%
+  [2018/05/18 1.3b Expandable and non-expandable utilities (JFB)]%
 \newtoks\XINT_toks
 \xint_firstofone{\let\XINT_sptoken= } %<- space here!
 \def\xintgodef  {\global\xintodef }%
@@ -687,9 +687,14 @@
      #1.#2\xintiloop_again\fi\xint_gobble_iii #3#4#5{#1}%
 \long\def\xintiloopindex #1\xintiloop_again\fi\xint_gobble_iii #2%
                 {#2#1\xintiloop_again\fi\xint_gobble_iii {#2}}%
+\long\def\xintbracediloopindex #1\xintiloop_again\fi\xint_gobble_iii #2%
+     {{#2}#1\xintiloop_again\fi\xint_gobble_iii {#2}}%
 \long\def\xintouteriloopindex #1\xintiloop_again
                          #2\xintiloop_again\fi\xint_gobble_iii #3%
    {#3#1\xintiloop_again #2\xintiloop_again\fi\xint_gobble_iii {#3}}%
+\long\def\xintbracedouteriloopindex #1\xintiloop_again
+                         #2\xintiloop_again\fi\xint_gobble_iii #3%
+   {{#3}#1\xintiloop_again #2\xintiloop_again\fi\xint_gobble_iii {#3}}%
 \long\def\xintiloopskiptonext #1\xintiloop_again\fi\xint_gobble_iii #2#3{%
     \expandafter\xintiloop_again_b \the\numexpr#2+#3.#3.}%
 \long\def\xintiloopskipandredo #1\xintiloop_again\fi\xint_gobble_iii #2#3#4{%