random: Get rid of uniform_distribution (non-portable).

* src/misc/random.cc, src/misc/random.hh,
src/tgbaalgos/randomgraph.cc, src/tgbatest/randaut.test,
src/tgbatest/randomize.test, src/tgbatest/readsave.test,
src/ltlvisit/simplify.cc, src/tgbaalgos/randomize.cc,
src/graph/graph.hh, src/tgbatest/randpsl.test: here.

src/tgbatest/randaut.test

@@ -58,11 +58,11 @@ test `expr $a + $b` = 100
 # not hesitate to adjust the expected values below.
 $randaut -n 5 --name='%F-%L-%s-%c-%e' -H a | grep '^name' >out
 cat >expected<<EOF
-name: "0-0-10-1-29"
-name: "0-1-10-1-30"
-name: "0-2-10-1-29"
-name: "0-3-10-3-24"
-name: "0-4-10-1-29"
+name: "0-0-10-1-30"
+name: "0-1-10-4-27"
+name: "0-2-10-6-20"
+name: "0-3-10-1-25"
+name: "0-4-10-2-20"
 EOF
 diff out expected
 

src/tgbatest/randomize.test

@@ -86,32 +86,7 @@ grep "unknown argument for --randomize: 'f'" stderr
 cat >input <<EOF
 HOA: v1
 States: 5
-Start: 0
-AP: 4 "a" "b" "c" "d"
-acc-name: all
-Acceptance: 0 t
-properties: trans-labels explicit-labels state-acc
---BODY--
-State: 0 "s0"
-[0] 1
-[1] 2
-[2] 3
-[3] 4
-State: 1 "s1"
-[0] 1
-State: 2 "s2"
-[1] 2
-State: 3 "s3"
-[2] 3
-State: 4 "s4"
-[3] 4
---END--
-EOF
-$autfilt --randomize --seed=1 input -H > output
-cat >expected <<EOF
-HOA: v1
-States: 5
-Start: 1
+Start: 4
 AP: 4 "a" "b" "c" "d"
 acc-name: all
 Acceptance: 0 t
@@ -119,17 +94,42 @@ properties: trans-labels explicit-labels state-acc
 --BODY--
 State: 0 "s1"
 [0] 0
-State: 1 "s0"
-[1] 3
+State: 1 "s3"
+[2] 1
+State: 2 "s2"
+[1] 2
+State: 3 "s4"
+[3] 3
+State: 4 "s0"
+[3] 3
+[2] 1
 [0] 0
-[2] 2
-[3] 4
-State: 2 "s3"
-[2] 2
-State: 3 "s2"
-[1] 3
-State: 4 "s4"
-[3] 4
+[1] 2
+--END--
+EOF
+$autfilt --randomize --seed=1 input -H > output
+cat >expected <<EOF
+HOA: v1
+States: 5
+Start: 3
+AP: 4 "a" "b" "c" "d"
+acc-name: all
+Acceptance: 0 t
+properties: trans-labels explicit-labels state-acc
+--BODY--
+State: 0 "s4"
+[3] 0
+State: 1 "s2"
+[1] 1
+State: 2 "s1"
+[0] 2
+State: 3 "s0"
+[1] 1
+[3] 0
+[2] 4
+[0] 2
+State: 4 "s3"
+[2] 4
 --END--
 EOF
 

src/tgbatest/randpsl.test

@@ -25,7 +25,7 @@ set -e
 
 # Generate 50 random unique PSL formula that do not simplify to LTL
 # formulae, and that have a size of at lease 12.
-../../bin/randltl -n -1 --tree-size 30 --seed 0 --psl a b c |
+../../bin/randltl -n -1 --tree-size 30 --seed 12 --psl a b c |
 ../../bin/ltlfilt -r --size-min 12 --unique |
 ../../bin/ltlfilt -v --ltl -n 50 | tee formulas |
 ../../bin/ltlcross '../ltl2tgba -R3 -t %f >%T' '../ltl2tgba -x -R3 -t %f >%T' \

src/tgbatest/readsave.test

@@ -114,16 +114,16 @@ $randltl -n -1 a b |
     $autfilt -F- -F nonexistant --states=3 --edges=..10 --acc-sets=1.. \
 	     --name='%M, %S states' --stats='<%m>, %e, %a' -n 10 > output
 cat >expected <<EOF
-<F(b | GF!a), 3 states>, 6, 1
-<XFb, 3 states>, 4, 1
+<F(b | Ga), 3 states>, 5, 1
+<F(!b & G(!b | G!a)), 3 states>, 5, 1
 <XF!b, 3 states>, 4, 1
-<G!b & XF!a, 3 states>, 4, 1
-<F(b | GFa), 3 states>, 6, 1
-<F(Ga | XG(!a & Fb)), 3 states>, 6, 1
-<FG!b & F(b | GFb), 3 states>, 5, 1
-<Ga | G!a, 3 states>, 4, 1
-<a | G((!a & !b) | (a & b)), 3 states>, 4, 1
-<Fb U G!a, 3 states>, 7, 1
+<Gb | G!b, 3 states>, 4, 1
+<XFb, 3 states>, 4, 1
+<F(b W a), 3 states>, 6, 1
+<(a & !b & (b | (!b M F!a))) | (!a & (b | (!b & (b W Ga)))), 3 states>, 5, 1
+<(a & (a U !b)) | (!a & (!a R b)), 3 states>, 5, 1
+<a | G((a & GFa) | (!a & FG!a)), 3 states>, 4, 1
+<XXG(!a & (Fa W Gb)), 3 states>, 3, 1
 EOF
 diff output expected