Add bc (and its tests) to pending

25 files changed, 1115 insertions, 0 deletions

diff --git a/tests/bc.test b/tests/bc.test
new file mode 100644
index 00000000..213b21ab
--- /dev/null
+++ b/tests/bc.test
@@ -0,0 +1,72 @@
+#!/bin/bash
+
+[ -f testing.sh ] && . testing.sh
+
+#testing "name" "command" "result" "infile" "stdin"
+
+BDIR="$FILES/bc"
+TESTDIR="./"
+
+results=$(cat "$BDIR/decimal_results.txt")
+testcmd "decimal" "-l $BDIR/decimal.txt" "$results\n" "$BDIR/decimal.txt" ""
+
+results=$(cat "$BDIR/add_results.txt")
+testcmd "add" "-l $BDIR/add.txt" "$results\n" "$BDIR/add.txt" ""
+
+results=$(cat "$BDIR/subtract_results.txt")
+testcmd "subtract" "-l $BDIR/subtract.txt" "$results\n" "$BDIR/subtract.txt" ""
+
+results=$(cat "$BDIR/multiply_results.txt")
+testcmd "multiply" "-l $BDIR/multiply.txt" "$results\n" "$BDIR/multiply.txt" ""
+
+results=$(cat "$BDIR/divide_results.txt")
+testcmd "divide" "-l $BDIR/divide.txt" "$results\n" "$BDIR/divide.txt" ""
+
+results=$(cat "$BDIR/modulus_results.txt")
+testcmd "modulus" "-l $BDIR/modulus.txt" "$results\n" "$BDIR/modulus.txt" ""
+
+results=$(cat "$BDIR/power_results.txt")
+testcmd "power" "-l $BDIR/power.txt" "$results\n" "$BDIR/power.txt" ""
+
+results=$(cat "$BDIR/sqrt_results.txt")
+testcmd "sqrt" "-l $BDIR/sqrt.txt" "$results\n" "$BDIR/sqrt.txt" ""
+
+results=$(cat "$BDIR/basic_results.txt")
+testcmd "basic" "-l $BDIR/basic.txt" "$results\n" "$BDIR/basic.txt" ""
+
+if [ ! -f "$TESTDIR/parse.txt" ]; then
+  echo "Generating bc parse..."
+  cat "$BDIR/parse.bc" | bc -l > "$TESTDIR/parse.txt"
+fi
+results=$(cat "$TESTDIR/parse.txt" | bc -l)
+testcmd "parse" "-l $TESTDIR/parse.txt" "$results\n" "$TESTDIR/parse.txt" ""
+
+if [ ! -f "$TESTDIR/print.txt" ]; then
+  echo "Generating bc print..."
+  cat "$BDIR/print.bc" | bc -l > "$TESTDIR/print.txt"
+fi
+results=$(cat "$TESTDIR/print.txt" | bc -l)
+testcmd "print" "-l $TESTDIR/print.txt" "$results\n" "$TESTDIR/print.txt" ""
+
+results=$(cat "$BDIR/pi.txt" | bc -l)
+testcmd "pi" "-l $BDIR/pi.txt" "$results\n" "$BDIR/pi.txt" ""
+
+if [ ! -f "$TESTDIR/arctan.txt" ]; then
+  echo "Generating bc arctan..."
+  cat "$BDIR/arctan.bc" | bc -l > "$TESTDIR/arctan.txt"
+fi
+results=$(cat "$TESTDIR/arctan.txt" | bc -l)
+testcmd "arctan" "-l $TESTDIR/arctan.txt" "$results\n" "$TESTDIR/arctan.txt" ""
+
+results=$(cat "$TESTDIR/arctan.txt")
+testcmd "arctan script" "-l $BDIR/arctan.bc" "$results" "$BDIR/arctan.bc" ""
+
+results=$(cat "$TESTDIR/parse.txt")
+testcmd "parse script" "-l $BDIR/parse.bc" "$results\n" "$BDIR/parse.bc" ""
+
+results=$(cat "$TESTDIR/print.txt")
+testcmd "print script" "-l $BDIR/print.bc" "$results\n" "$BDIR/print.bc" ""
+
+results=$(cat "$BDIR/screen.bc" | bc -l)
+testcmd "screen script" "-l $BDIR/screen.bc" "$results\n" "$BDIR/screen.bc" ""
+
diff --git a/tests/files/bc/add.txt b/tests/files/bc/add.txt
new file mode 100644
index 00000000..01ea6c80
--- /dev/null
+++ b/tests/files/bc/add.txt
@@ -0,0 +1,24 @@
+0 + 0
+0 + 1
+1 + 1
+1 + 0
+2 + 5
+237 + 483
+999 + 999
+2374623 + 324869356734856
+2378639084586723980562 + 23468729367839
+37298367203972395108367910823465293084561329084561390845613409516734503870691837451 + 785621394067928346918023476190834672198467134908618723249671349062187346898241093486139046139084613490817356023871869102746182749061872609129847
+1.1 + 0
+0 + 1.1
+457283.731284923576 + 37842934672834.3874629385672354
+1.0 + 0.1
+3746289134067138046 + 0.138375863945672398456712389456273486293
+-1 + -1
+-4 + -15
+-1346782 + -1287904651762468913476
+99999999999999999999999999999999999999999999999999999999999.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+99999999999999999999999999999999999999999999999999999999999.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999995 + 0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005
+99999999999999999999999999999999999999999999999999999999999.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 + 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+99999999999999999999999999999999999999999999999999999999999.999999999999999999999999999999999999999999999999999999999899999999999999999999999999999999999999999999999999999999999999 + 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+99999999999999999999999999999999999989999999999999999999999.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 + 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+-1889985797 + 2012747315
diff --git a/tests/files/bc/add_results.txt b/tests/files/bc/add_results.txt
new file mode 100644
index 00000000..313fa450
--- /dev/null
+++ b/tests/files/bc/add_results.txt
@@ -0,0 +1,36 @@
+0
+1
+2
+1
+7
+720
+1998
+324869359109479
+2378639108055453348401
+78562139406792834691802347619083467219846713490861872324967138636055\
+45508706362018540498696043776980521464405852627147161556994835657433\
+00967298
+1.1
+1.1
+37842935130118.1187478621432354
+1.1
+3746289134067138046.138375863945672398456712389456273486293
+-2
+-19
+-1287904651762470260258
+100000000000000000000000000000000000000000000000000000000000.0000000\
+00000000000000000000000000000000000000000000000000000000000000000000\
+000000000000000000000000000000000000000000000
+100000000000000000000000000000000000000000000000000000000000.0000000\
+00000000000000000000000000000000000000000000000000000000000000000000\
+000000000000000000000000000000000000000000000
+100000000000000000000000000000000000000000000000000000000000.0000000\
+00000000000000000000000000000000000000000000000000000000000000000000\
+000000000000000000000000000000000000000009999
+99999999999999999999999999999999999999999999999999999999999.99999999\
+99999999999999999999999999999999999999999999999999000000000000000000\
+00000000000000000000000000000000000000009999
+99999999999999999999999999999999999990000000000000000000000.00000000\
+00000000000000000000000000000000000000000000000000000000000000000000\
+00000000000000000000000000000000000000009999
+122761518
diff --git a/tests/files/bc/arctan.bc b/tests/files/bc/arctan.bc
new file mode 100755
index 00000000..11a76953
--- /dev/null
+++ b/tests/files/bc/arctan.bc
@@ -0,0 +1,12 @@
+#! /usr/bin/bc -q
+
+i = 0
+for (i = 1; i <= 100; ++i) {
+	print "scale = ", i, "\n"
+	print "a(.267)\n"
+	print "a(1)\n"
+}
+
+"halt"
+
+halt
diff --git a/tests/files/bc/basic.txt b/tests/files/bc/basic.txt
new file mode 100644
index 00000000..f3d957a2
--- /dev/null
+++ b/tests/files/bc/basic.txt
@@ -0,0 +1,7 @@
+scale=10;123981239.981273987 * 12983791827398.29836472638
+scale=100;759634576394.3946587934658364895 / 9834759834895386.36459364958346
+34895734986539489834759837489573498573.398475984759837485734987598345 + 9823749832749872384234872934.28347982374987239847982374
+a=123123123.987239874; b=123123123.239479823748; a+b
+20347023.23498723984 - 28934723874.234720384
+scale=100;a=739534985.895347284957;b=238746782364.2374623784; c = a / b; c+0
+
diff --git a/tests/files/bc/basic_results.txt b/tests/files/bc/basic_results.txt
new file mode 100644
index 00000000..1e0d92f1
--- /dev/null
+++ b/tests/files/bc/basic_results.txt
@@ -0,0 +1,9 @@
+1609746610419572350599.59456175545
+.0000772397688552681359718594121969204138521230712049526233926741658\
+845368495051158801794834809672994
+34895734996363239667509709873808371507.68195580850970988421481133834\
+5
+246246247.226719697748
+-28914376850.99973314416
+.0030975704827179453786044330548590249517387192084765414205077089498\
+482709063381782183114683451531598
diff --git a/tests/files/bc/decimal.txt b/tests/files/bc/decimal.txt
new file mode 100644
index 00000000..a58f9304
--- /dev/null
+++ b/tests/files/bc/decimal.txt
@@ -0,0 +1,34 @@
+0
+0.0
+000000000000000000000000.00000000000000000000000
+000000000000000000000000000135482346782356
+000000000000000000000000002
+1
+11
+123
+7505
+1023468723275435238491972521917846
+4343472432431705867392073517038270398027352709027389273920739037937960379637893607893607893670530278200795207952702873892786172916728961783907893607418973587857386079679267926737520730925372983782793652793
+-1
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+-823945628745673589495067238723986520375698237620834674509627345273096287563846592384526349872634895763257893467523987578690283762897568459072348758071071087813501875908127359018715023841710239872301387278
+.123521346523546
+0.1245923756273856
+-.1024678456387
+-0.8735863475634587
+4.0
+-6.0
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+77567648698496.000000000000000000587674750000000000458563800000000000000
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+-2354768.000000000000000000000000000000000000
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diff --git a/tests/files/bc/decimal_results.txt b/tests/files/bc/decimal_results.txt
new file mode 100644
index 00000000..01bfa586
--- /dev/null
+++ b/tests/files/bc/decimal_results.txt
@@ -0,0 +1,48 @@
+0
+0
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+135482346782356
+2
+1
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+7505
+1023468723275435238491972521917846
+43434724324317058673920735170382703980273527090273892739207390379379\
+60379637893607893607893670530278200795207952702873892786172916728961\
+78390789360741897358785738607967926792673752073092537298378279365279\
+3
+-1
+-203
+-57
+-18586
+-31378682943772818461924738352952347258
+-8239456287456735894950672387239865203756982376208346745096273452730\
+96287563846592384526349872634895763257893467523987578690283762897568\
+45907234875807107108781350187590812735901871502384171023987230138727\
+8
+.123521346523546
+.1245923756273856
+-.1024678456387
+-.8735863475634587
+4.0
+-6.0
+234237468293576.000000000000000000000000000000
+23987623568943567.00000000000000000005677834650000000000000
+23856934568940675.000000000000000435676782300000000000000456784
+77567648698496.00000000000000000058767475000000000045856380000000000\
+0000
+2348672354968723.237482354600000000000325698739450234689243562387000\
+0000034578
+-2354768.000000000000000000000000000000000000
+-96739874567.000000000347683456
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+-356784356.934568495770004586495678300000000
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+570358738257390761276072160719802671980267018728630178.7082681027680\
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+8372832783728367826738627836278378260736270367362073867097307925
diff --git a/tests/files/bc/divide.txt b/tests/files/bc/divide.txt
new file mode 100644
index 00000000..4d0caddc
--- /dev/null
+++ b/tests/files/bc/divide.txt
@@ -0,0 +1,31 @@
+0 / 1
+0 / 321566
+0 / 0.3984567238456
+1 / 1
+1 / 1287469297356
+1 / 0.2395672438567234
+1 / 237586239856.0293596728392360
+1249687284356 / 3027949207835207
+378617298617396719 / 35748521
+9348576237845624358 / 0.9857829375461
+35768293846193284 / 2374568947.045762839567823
+-78987234567812345 / 876542837618936
+-356789237555535468 / 0.3375273860984786903
+-5203475364850390 / 435742903748307.70869378534043296404530458
+-0.37861723347576903 / 7385770896
+-0.399454682043962 / 0.34824389304
+-0.6920414523873204 / 356489645223.76076045304879030
+-35872917389671.7573280963748 / 73924708
+-78375896314.4836709876983 / 0.78356798637817
+-2374123896417.143789621437581 / 347821469423789.1473856783960
+-896729350238549726 / -34976289345762
+-2374568293458762348596 / -0.8792370647234987679
+-237584692306721845726038 / -21783910782374529637.978102738746189024761
+-0.23457980123576298375682 / -1375486293874612
+-0.173897061862478951264 / -0.8179327486017634987516298745
+-0.9186739823576829347586 / -0.235678293458756239846
+-0.9375896183746982374568 / -13784962873546.0928729395476283745
+-2930754618923467.12323745862937465 / -734869238465
+-23745861923467.874675129834675 / -0.23542357869124756
+-3878923750692883.7238596702834756902 / -7384192674957215364986723.9738461923487621983
+1 / 0.00000000000000000000000000000000000000000002346728372937352457354204563027
diff --git a/tests/files/bc/divide_results.txt b/tests/files/bc/divide_results.txt
new file mode 100644
index 00000000..c19f2f9b
--- /dev/null
+++ b/tests/files/bc/divide_results.txt
@@ -0,0 +1,31 @@
+0
+0
+0
+1.00000000000000000000
+.00000000000077671755
+4.17419336592637110778
+.00000000000420899796
+.00041271738677857404
+10591131829.40901859967857131767
+9483402361494453751.52388015648196297248
+15063068.13735316451497043884
+-90.11223545260531110575
+-1057067521778623447.45138528213564485251
+-11.94161814246320631346
+-.00000000005126306228
+-1.14705437777218917343
+-.00000000000194126663
+-485262.88923145638029569727
+-100024372711.74763635544535424582
+-.00682569681609989277
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+.00000000000006801538
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+100864416620775.31076855630746548983
+.00000000052530099381
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diff --git a/tests/files/bc/modulus.txt b/tests/files/bc/modulus.txt
new file mode 100644
index 00000000..e2539892
--- /dev/null
+++ b/tests/files/bc/modulus.txt
@@ -0,0 +1,66 @@
+1 % 1
+2 % 1
+16 % 4
+15 % 4
+17 % 4
+2389473 % 5
+39240687239 % 1
+346728934 % 23958
+3496723859067234 % 298375462837546928347623059375486
+-1 % 1
+-2 % 1
+-47589634875689345 % 37869235
+-1274852934765 % 2387628935486273546
+-6324758963 % 237854962
+1 % -1
+2 % -1
+2 % -2
+2 % -3
+16 % 5
+15 % 5
+14 % 5
+89237423 % -237856923854
+123647238946 % -12467
+-1 % -1
+-2 % -1
+-2 % -2
+-2 % -3
+-13 % -7
+-14 % -7
+-15 % -7
+-12784956 % -32746
+-127849612 % -23712347682193
+scale = 0
+1 % 1
+2 % 1
+16 % 4
+15 % 4
+17 % 4
+2389473 % 5
+39240687239 % 1
+346728934 % 23958
+3496723859067234 % 298375462837546928347623059375486
+-1 % 1
+-2 % 1
+-47589634875689345 % 37869235
+-1274852934765 % 2387628935486273546
+-6324758963 % 237854962
+1 % -1
+2 % -1
+2 % -2
+2 % -3
+16 % 5
+15 % 5
+14 % 5
+89237423 % -237856923854
+123647238946 % -12467
+-1 % -1
+-2 % -1
+-2 % -2
+-2 % -3
+-13 % -7
+-14 % -7
+-15 % -7
+-12784956 % -32746
+-127849612 % -23712347682193
+-3191280681 % 641165986
diff --git a/tests/files/bc/modulus_results.txt b/tests/files/bc/modulus_results.txt
new file mode 100644
index 00000000..323b3a7d
--- /dev/null
+++ b/tests/files/bc/modulus_results.txt
@@ -0,0 +1,65 @@
+0
+0
+0
+0
+0
+0
+0
+.00000000000000002026
+2747189239559.46904933397471305894
+0
+0
+-.00000000000011057855
+-.00076922992566770712
+-.00000000000050364144
+0
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+.00000000000000000002
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+.00000000070585524350
+.00000000000000002898
+0
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+-.00000000000000000002
+-.00000000000000000005
+0
+-.00000000000000000002
+-.00000000000000011722
+-.00000002640923745817
+0
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+0
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+8758
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+0
+0
+-8236960
+-1274852934765
+-140529951
+0
+0
+0
+2
+1
+0
+4
+89237423
+6692
+0
+0
+0
+-2
+-6
+0
+-1
+-14016
+-127849612
+-626616737
diff --git a/tests/files/bc/multiply.txt b/tests/files/bc/multiply.txt
new file mode 100644
index 00000000..5ef49c4c
--- /dev/null
+++ b/tests/files/bc/multiply.txt
@@ -0,0 +1,39 @@
+0 * 0
+1 * 0
+0 * 1
+0 * 2498752389672835476
+873246913745129084576134 * 0
+1 * 472638590273489273456
+12374861230476103672835496 * 1
+1 * 1
+2 * 1
+1 * 2
+2 * 2
+3 * 14
+17 * 8
+1892467513846753 * 1872439821374591038746
+328962735862.2973546835638947635 * 1728465791348762356
+38745962374538.387427384672934867234 * 0.1932476528394672837568923754
+9878894576289457634856.2738627161689017387608947567654 * 37842939768237596237854203.29874372139852739126739621793162
+-1 * 1
+-1 * 2
+78893457 * -34876238956
+235678324957634 * -0.2349578349672389576
+-12849567821934 * 12738462937681
+1274861293467.927843682937462 * -28935678239
+2936077239872.12937462836 * -0.012842357682435762
+2387692387566.2378569237546 * -272189345628.123875629835876
+0.012348629356782835962 * -23487692356
+0.4768349567348675934 * -0.23756834576934857638495
+0.98748395367485962735486 * -4675839462354867.376834956738456
+-321784627934586 * -235762378596
+-32578623567892356 * -0.32567384579638456
+-35768232346876 * -2348672935602387620.28375682349576237856
+-0.2356728394765234 * -238759624356978
+-0.2345768212346780 * -0.235768124697074385948943532045
+-0.370873860736785306278630 * -7835678398607.7086378076867096270
+-78365713707.7089637863786730 * -738580798679306780
+-73867038956790490258249 * -0.7379862716391723672803679
+-378621971598721837710387 * -98465373878350798.09743896037963078560
+37164201 * 2931559660
+679468076118972457796560530571.46287161642138401685 * 93762.2836
diff --git a/tests/files/bc/multiply_results.txt b/tests/files/bc/multiply_results.txt
new file mode 100644
index 00000000..c8167dbe
--- /dev/null
+++ b/tests/files/bc/multiply_results.txt
@@ -0,0 +1,40 @@
+0
+0
+0
+0
+0
+472638590273489273456
+12374861230476103672835496
+1
+2
+2
+4
+42
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+7487566285885.8557453089005171423976251098
+373846412427291014394738378015501363938345620046.7869650248829232267\
+2297002026819
+-1
+-2
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diff --git a/tests/files/bc/parse.bc b/tests/files/bc/parse.bc
new file mode 100755
index 00000000..8cc7472f
--- /dev/null
+++ b/tests/files/bc/parse.bc
@@ -0,0 +1,16 @@
+#! /usr/bin/bc -q
+
+for (b = 2; b <= 16; ++b) {
+	if (b == 10) continue
+	obase = 10
+	print "ibase = A; ibase = ", b, "\n"
+	obase = b
+	for (i = 0; i <= 65536; ++i) {
+		i
+		print "0.", i, "\n"
+		print "1.", i, "\n"
+		print i, ".", i, "\n"
+	}
+}
+
+halt
diff --git a/tests/files/bc/pi.txt b/tests/files/bc/pi.txt
new file mode 100644
index 00000000..4ae0fa64
--- /dev/null
+++ b/tests/files/bc/pi.txt
@@ -0,0 +1,7 @@
+for (i = 0; i <= 100; ++i) {
+	scale = i
+	4 * a(1)
+}
+
+scale = 1000
+4 * a(1)
diff --git a/tests/files/bc/power.txt b/tests/files/bc/power.txt
new file mode 100644
index 00000000..3222e9d7
--- /dev/null
+++ b/tests/files/bc/power.txt
@@ -0,0 +1,42 @@
+0 ^ 0
+0 ^ 1
+0 ^ 1894
+1 ^ 0
+39746823 ^ 0
+0.238672983047682 ^ 0
+18394762374689237468.97354862973846 ^ 0
+1 ^ 1
+2 ^ 1
+18927361346 ^ 1
+0.23523785962738592635777 ^ 1
+328956734869213746.89782398457234 ^ 1
+8937 ^ 98
+0.124876812394 ^ 2396
+93762.2836 ^ 13
+1 ^ -1
+2 ^ -1
+10 ^ -1
+683734768 ^ -1
+38579623756.897937568235 ^ -1
+1 ^ -32467
+2 ^ -53
+23897 ^ -213
+-1 ^ 1
+-1 ^ 2
+-2 ^ 1
+-2 ^ 2
+-237 ^ 294
+-3746 ^ 28
+-0.3548 ^ 35
+-4267.234 ^ 2837
+-326.3246 ^ 2378
+-1 ^ -1
+-1 ^ -2
+-2 ^ -1
+-2 ^ -2
+-237 ^ -293
+-784 ^ -23
+-0.2357689 ^ -8723
+-0.23424398 ^ -781
+-178.234786 ^ -879
+-1274.346 ^ -768
diff --git a/tests/files/bc/power_results.txt b/tests/files/bc/power_results.txt
new file mode 100644
index 00000000..28f9ad73
--- /dev/null
+++ b/tests/files/bc/power_results.txt
@@ -0,0 +1,385 @@
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diff --git a/tests/files/bc/print.bc b/tests/files/bc/print.bc
new file mode 100755
index 00000000..e8423c21
--- /dev/null
+++ b/tests/files/bc/print.bc
@@ -0,0 +1,21 @@
+#! /usr/bin/bc -q
+
+for (b = 2; b <= 16; ++b) {
+
+	if (b == 10) continue
+
+	s = b * b
+
+	print "obase = ", b, "\n"
+
+	for (i = 0; i <= s; ++i) {
+		i
+		print "0.", i, "\n"
+		print "1.", i, "\n"
+		print i, ".", i, "\n"
+	}
+
+	2189432174861923048671023498128347619023487610234689172304.192748960128745108927461089237469018723460
+}
+
+halt
diff --git a/tests/files/bc/screen.bc b/tests/files/bc/screen.bc
new file mode 100644
index 00000000..916b4f6a
--- /dev/null
+++ b/tests/files/bc/screen.bc
@@ -0,0 +1,19 @@
+define a(i, j) {
+	scale = 0
+	if(i % 2 == 0) return i;
+	if(j - i >= 0.5) return i + 1;
+	return i - 1;
+}
+
+define x(w, h, n) {
+	scale = 20
+	f = w / n
+	scale = 0
+	i = h / f
+	scale = 1
+	j = h / f
+	return a(i, j);
+}
+
+x(720, 576, 600)
+
diff --git a/tests/files/bc/script.sh b/tests/files/bc/script.sh
new file mode 100644
index 00000000..d279b6a2
--- /dev/null
+++ b/tests/files/bc/script.sh
@@ -0,0 +1,24 @@
+#! /bin/sh
+
+if [ "$#" -lt 4 ]; then
+	echo "usage: script.sh <bc> <test_output1> <test_output2> <script>"
+	exit 1
+fi
+
+set -e
+
+bc="$1"
+shift
+
+out1="$1"
+shift
+
+out2="$1"
+shift
+
+script="$1"
+
+echo "quit" | bc -lq "$script" > "$out1"
+echo "quit" | "$bc" -lq "$script" > "$out2"
+
+diff "$out1" "$out2"
diff --git a/tests/files/bc/sqrt.txt b/tests/files/bc/sqrt.txt
new file mode 100644
index 00000000..8be84ca6
--- /dev/null
+++ b/tests/files/bc/sqrt.txt
@@ -0,0 +1,12 @@
+scale = 20
+sqrt(0)
+sqrt(2)
+sqrt(4)
+sqrt(9)
+sqrt(16)
+sqrt(25)
+sqrt(121)
+sqrt(48765)
+sqrt(9287356207356)
+sqrt(0.189274385967238956872354)
+sqrt(12389467137496823.134567829387456283946)
diff --git a/tests/files/bc/sqrt_results.txt b/tests/files/bc/sqrt_results.txt
new file mode 100644
index 00000000..8005a310
--- /dev/null
+++ b/tests/files/bc/sqrt_results.txt
@@ -0,0 +1,11 @@
+0
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diff --git a/tests/files/bc/subtract.txt b/tests/files/bc/subtract.txt
new file mode 100644
index 00000000..4fdebea8
--- /dev/null
+++ b/tests/files/bc/subtract.txt
@@ -0,0 +1,30 @@
+0 - 0
+0 - 1
+1 - 0
+1 - 1
+5 - 2
+2 - 9
+321974 - 12845976238457
+2874519803456710938465- 384723854
+10000000000000000000000000000000000000000 - 999999999999999999999999999999999999999
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+10000000000000000000000000000000000000000 - 999999999999999999999999999999999999999.99999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 9999999999999999999999999999999999999999.9999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+10000000000000000000000000000000000000001 - 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+10000000000000000000000000000000000000000.0000000001 - 0.0000000000000000000000000000000000000000000000000000000000000000000000000001
+-2 - 6
+-23784692345 - 182934721309467230894628735496027345
+-224352354962873059862 - -1245723576829456278354960278345
+-3468273598 - -12354243
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+-1879234638 - -0.917234869234
+-0.9172438692134 - -0.971284967124
+-0.1283475123465 - -0.937462346
+-124765829346.2837468293562 - -0.923467829346
+-12476829385769 - -1928476259034.8378629356
+-0.38476284395876345 - -94875394587623.2357869324857
+-4674596708467.34754789403674343567 - -48672394852354698.237548629345
+979519669 - 3018100865
+929002449 - 3280677283
diff --git a/tests/files/bc/subtract_results.txt b/tests/files/bc/subtract_results.txt
new file mode 100644
index 00000000..71488d50
--- /dev/null
+++ b/tests/files/bc/subtract_results.txt
@@ -0,0 +1,34 @@
+0
+-1
+1
+0
+3
+-7
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+1
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+-8
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