testsuite: add bc and dc tests

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

77 files changed, 5466 insertions, 0 deletions

diff --git a/testsuite/bc.tests b/testsuite/bc.tests
new file mode 100755
index 0000000..3246009
--- /dev/null
+++ b/testsuite/bc.tests
@@ -0,0 +1,19 @@
+#!/bin/sh
+# Copyright 2018 by Denys Vlasenko
+# Licensed under GPLv2 or later, see file LICENSE in this source tree.
+
+. ./testing.sh
+
+tar xJf bc_large.tar.xz
+
+for f in bc*.bc; do
+	r="`basename "$f" .bc`_results.txt"
+	test -f "$r" || continue
+	# testing "test name" "command" "expected result" "file input" "stdin"
+	testing "bc -lq $f" \
+		"{ { bc -lq $f 2>&1; echo E:\$? >&2; } | diff -u - $r; echo E:\$?; } 2>&1" \
+		"E:0\nE:0\n" \
+		"" ""
+done
+
+exit $FAILCOUNT
diff --git a/testsuite/bc_add.bc b/testsuite/bc_add.bc
new file mode 100644
index 0000000..ee03b4b
--- /dev/null
+++ b/testsuite/bc_add.bc
@@ -0,0 +1,26 @@
+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
+0 + -14338.391079082
+-2422297 + 1.3134942556
diff --git a/testsuite/bc_add_results.txt b/testsuite/bc_add_results.txt
new file mode 100644
index 0000000..c3b4d6d
--- /dev/null
+++ b/testsuite/bc_add_results.txt
@@ -0,0 +1,38 @@
+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
+-14338.391079082
+-2422295.6865057444
diff --git a/testsuite/bc_arctangent.bc b/testsuite/bc_arctangent.bc
new file mode 100644
index 0000000..f665ea9
--- /dev/null
+++ b/testsuite/bc_arctangent.bc
@@ -0,0 +1,26 @@
+a(.267)
+a(1)
+scale = 64
+a(.267)
+a(1)
+scale = 100
+a(.267)
+a(1)
+scale = 20
+a(0)
+a(.5)
+a(0.577350269189625764509148780501)
+a(1.5)
+a(1.7320508075688772935274463415)
+a(2)
+a(3)
+a(1000)
+a(-.5)
+a(-0.577350269189625764509148780501)
+a(-1.5)
+a(-1.7320508075688772935274463415)
+a(-2)
+a(-3)
+a(-1000)
+a(-3249917614.2821897119)
+a(-694706362.1974670468)
diff --git a/testsuite/bc_arctangent_results.txt b/testsuite/bc_arctangent_results.txt
new file mode 100644
index 0000000..e77c637
--- /dev/null
+++ b/testsuite/bc_arctangent_results.txt
@@ -0,0 +1,25 @@
+.26091356923294057959
+.78539816339744830961
+.2609135692329405795967852677779865639774740239882445822329882917
+.7853981633974483096156608458198757210492923498437764552437361480
+.2609135692329405795967852677779865639774740239882445822329882917230\
+650591934644905491823044536954978
+.7853981633974483096156608458198757210492923498437764552437361480769\
+541015715522496570087063355292669
+0
+.46364760900080611621
+.52359877559829887307
+.98279372324732906798
+1.04719755119659774615
+1.10714871779409050301
+1.24904577239825442582
+1.56979632712822975256
+-.46364760900080611621
+-.52359877559829887307
+-.98279372324732906798
+-1.04719755119659774615
+-1.10714871779409050301
+-1.24904577239825442582
+-1.56979632712822975256
+-1.57079632648719651151
+-1.57079632535543952711
diff --git a/testsuite/bc_array.bc b/testsuite/bc_array.bc
new file mode 100644
index 0000000..3bb6801
--- /dev/null
+++ b/testsuite/bc_array.bc
@@ -0,0 +1,35 @@
+#! /usr/bin/bc -q
+
+define z(a[]) {
+	for (i = 0; i < l; ++i) {
+		a[i]
+	}
+}
+
+define x(a[]) {
+
+	for (i = 0; i < l; ++i) {
+		a[i] = -i
+	}
+
+	z(a[])
+}
+
+for (i = 0; i < 101; ++i) {
+	a[i] = i
+}
+
+a[104] = 204
+
+l = length(a[])
+
+for (i = 0; i <= l; ++i) {
+	a[i]
+}
+
+z(a[])
+x(a[])
+z(a[])
+l
+
+halt
diff --git a/testsuite/bc_array_results.txt b/testsuite/bc_array_results.txt
new file mode 100644
index 0000000..a757b7f
--- /dev/null
+++ b/testsuite/bc_array_results.txt
@@ -0,0 +1,426 @@
+0
+1
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diff --git a/testsuite/bc_arrays.bc b/testsuite/bc_arrays.bc
new file mode 100644
index 0000000..26a284b
--- /dev/null
+++ b/testsuite/bc_arrays.bc
@@ -0,0 +1,10 @@
+a[0] = 1
+a[2-1] = 2
+
+a[0]+a[0]
+
+a[2-1]+a[2-1]
+
+a[5] = 2
+a[5.789]
+
diff --git a/testsuite/bc_arrays_results.txt b/testsuite/bc_arrays_results.txt
new file mode 100644
index 0000000..200035f
--- /dev/null
+++ b/testsuite/bc_arrays_results.txt
@@ -0,0 +1,3 @@
+2
+4
+2
diff --git a/testsuite/bc_bessel.bc b/testsuite/bc_bessel.bc
new file mode 100644
index 0000000..a52fa35
--- /dev/null
+++ b/testsuite/bc_bessel.bc
@@ -0,0 +1,844 @@
+j(0, 0)
+j(0, .5)
+j(0, -.5)
+j(0, 1)
+j(0, -1)
+j(0, 1.5)
+j(0, -1.5)
+j(0, 1.74)
+j(0, -1.74)
+j(0, 2)
+j(0, -2)
+j(0, 3.2345)
+j(0, -3.2345)
+j(0, 100)
+j(0, -100)
+j(0, -.5)
+j(0, .5)
+j(0, -1)
+j(0, 1)
+j(0, -1.5)
+j(0, 1.5)
+j(0, -1.74)
+j(0, 1.74)
+j(0, -2)
+j(0, 2)
+j(0, -3.2345)
+j(0, 3.2345)
+j(0, -100)
+j(0, 100)
+j(.5, 0)
+j(.5, .5)
+j(.5, -.5)
+j(.5, 1)
+j(.5, -1)
+j(.5, 1.5)
+j(.5, -1.5)
+j(.5, 1.74)
+j(.5, -1.74)
+j(.5, 2)
+j(.5, -2)
+j(.5, 3.2345)
+j(.5, -3.2345)
+j(.5, 100)
+j(.5, -100)
+j(.5, -.5)
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+j(.5, 1.5)
+j(.5, -1.74)
+j(.5, 1.74)
+j(.5, -2)
+j(.5, 2)
+j(.5, -3.2345)
+j(.5, 3.2345)
+j(.5, -100)
+j(.5, 100)
+j(-.5, 0)
+j(-.5, .5)
+j(-.5, -.5)
+j(-.5, 1)
+j(-.5, -1)
+j(-.5, 1.5)
+j(-.5, -1.5)
+j(-.5, 1.74)
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+j(-.5, 2)
+j(-.5, -3.2345)
+j(-.5, 3.2345)
+j(-.5, -100)
+j(-.5, 100)
+j(1, 0)
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+j(-1.74, 3.2345)
+j(-1.74, -100)
+j(-1.74, 100)
+j(2, 0)
+j(2, .5)
+j(2, -.5)
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+j(2, -1)
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+j(2, 1.74)
+j(2, -1.74)
+j(2, 2)
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+j(2, -3.2345)
+j(2, 100)
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+j(2, 100)
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+j(-2, -3.2345)
+j(-2, 100)
+j(-2, -100)
+j(-2, -.5)
+j(-2, .5)
+j(-2, -1)
+j(-2, 1)
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+j(-2, 1.5)
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+j(-3.2345, -1.74)
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+j(-3.2345, 100)
+j(100, 0)
+j(100, .5)
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+j(100, -1)
+j(100, 1.5)
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+j(100, -1.74)
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+j(100, 100)
+j(100, -100)
+j(100, -.5)
+j(100, .5)
+j(100, -1)
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+j(.5, -1.5)
+j(.5, 1.5)
+j(.5, -1.74)
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+j(.5, -2)
+j(.5, 2)
+j(.5, -3.2345)
+j(.5, 3.2345)
+j(.5, -100)
+j(.5, 100)
+j(-1, 0)
+j(-1, .5)
+j(-1, -.5)
+j(-1, 1)
+j(-1, -1)
+j(-1, 1.5)
+j(-1, -1.5)
+j(-1, 1.74)
+j(-1, -1.74)
+j(-1, 2)
+j(-1, -2)
+j(-1, 3.2345)
+j(-1, -3.2345)
+j(-1, 100)
+j(-1, -100)
+j(-1, -.5)
+j(-1, .5)
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+j(-1, 1)
+j(-1, -1.5)
+j(-1, 1.5)
+j(-1, -1.74)
+j(-1, 1.74)
+j(-1, -2)
+j(-1, 2)
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+j(-1, 3.2345)
+j(-1, -100)
+j(-1, 100)
+j(1, 0)
+j(1, .5)
+j(1, -.5)
+j(1, 1)
+j(1, -1)
+j(1, 1.5)
+j(1, -1.5)
+j(1, 1.74)
+j(1, -1.74)
+j(1, 2)
+j(1, -2)
+j(1, 3.2345)
+j(1, -3.2345)
+j(1, 100)
+j(1, -100)
+j(1, -.5)
+j(1, .5)
+j(1, -1)
+j(1, 1)
+j(1, -1.5)
+j(1, 1.5)
+j(1, -1.74)
+j(1, 1.74)
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+j(1, 2)
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+j(1, 100)
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+j(-1.5, -.5)
+j(-1.5, 1)
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+j(-1.5, 1.5)
+j(-1.5, -1.5)
+j(-1.5, 1.74)
+j(-1.5, -1.74)
+j(-1.5, 2)
+j(-1.5, -2)
+j(-1.5, 3.2345)
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+j(1.5, 100)
+j(1.5, -100)
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+j(1.5, .5)
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+j(1.5, 3.2345)
+j(1.5, -100)
+j(1.5, 100)
+j(-1.74, 0)
+j(-1.74, .5)
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+j(-1.74, -1)
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+j(-1.74, 1.74)
+j(-1.74, -1.74)
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+j(-1.74, -100)
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+j(-1.74, -100)
+j(-1.74, 100)
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+j(1.74, -100)
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+j(1.74, -3.2345)
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+j(1.74, -100)
+j(1.74, 100)
+j(-2, 0)
+j(-2, .5)
+j(-2, -.5)
+j(-2, 1)
+j(-2, -1)
+j(-2, 1.5)
+j(-2, -1.5)
+j(-2, 1.74)
+j(-2, -1.74)
+j(-2, 2)
+j(-2, -2)
+j(-2, 3.2345)
+j(-2, -3.2345)
+j(-2, 100)
+j(-2, -100)
+j(-2, -.5)
+j(-2, .5)
+j(-2, -1)
+j(-2, 1)
+j(-2, -1.5)
+j(-2, 1.5)
+j(-2, -1.74)
+j(-2, 1.74)
+j(-2, -2)
+j(-2, 2)
+j(-2, -3.2345)
+j(-2, 3.2345)
+j(-2, -100)
+j(-2, 100)
+j(2, 0)
+j(2, .5)
+j(2, -.5)
+j(2, 1)
+j(2, -1)
+j(2, 1.5)
+j(2, -1.5)
+j(2, 1.74)
+j(2, -1.74)
+j(2, 2)
+j(2, -2)
+j(2, 3.2345)
+j(2, -3.2345)
+j(2, 100)
+j(2, -100)
+j(2, -.5)
+j(2, .5)
+j(2, -1)
+j(2, 1)
+j(2, -1.5)
+j(2, 1.5)
+j(2, -1.74)
+j(2, 1.74)
+j(2, -2)
+j(2, 2)
+j(2, -3.2345)
+j(2, 3.2345)
+j(2, -100)
+j(2, 100)
+j(-3.2345, 0)
+j(-3.2345, .5)
+j(-3.2345, -.5)
+j(-3.2345, 1)
+j(-3.2345, -1)
+j(-3.2345, 1.5)
+j(-3.2345, -1.5)
+j(-3.2345, 1.74)
+j(-3.2345, -1.74)
+j(-3.2345, 2)
+j(-3.2345, -2)
+j(-3.2345, 3.2345)
+j(-3.2345, -3.2345)
+j(-3.2345, 100)
+j(-3.2345, -100)
+j(-3.2345, -.5)
+j(-3.2345, .5)
+j(-3.2345, -1)
+j(-3.2345, 1)
+j(-3.2345, -1.5)
+j(-3.2345, 1.5)
+j(-3.2345, -1.74)
+j(-3.2345, 1.74)
+j(-3.2345, -2)
+j(-3.2345, 2)
+j(-3.2345, -3.2345)
+j(-3.2345, 3.2345)
+j(-3.2345, -100)
+j(-3.2345, 100)
+j(3.2345, 0)
+j(3.2345, .5)
+j(3.2345, -.5)
+j(3.2345, 1)
+j(3.2345, -1)
+j(3.2345, 1.5)
+j(3.2345, -1.5)
+j(3.2345, 1.74)
+j(3.2345, -1.74)
+j(3.2345, 2)
+j(3.2345, -2)
+j(3.2345, 3.2345)
+j(3.2345, -3.2345)
+j(3.2345, 100)
+j(3.2345, -100)
+j(3.2345, -.5)
+j(3.2345, .5)
+j(3.2345, -1)
+j(3.2345, 1)
+j(3.2345, -1.5)
+j(3.2345, 1.5)
+j(3.2345, -1.74)
+j(3.2345, 1.74)
+j(3.2345, -2)
+j(3.2345, 2)
+j(3.2345, -3.2345)
+j(3.2345, 3.2345)
+j(3.2345, -100)
+j(3.2345, 100)
+j(-100, 0)
+j(-100, .5)
+j(-100, -.5)
+j(-100, 1)
+j(-100, -1)
+j(-100, 1.5)
+j(-100, -1.5)
+j(-100, 1.74)
+j(-100, -1.74)
+j(-100, 2)
+j(-100, -2)
+j(-100, 3.2345)
+j(-100, -3.2345)
+j(-100, 100)
+j(-100, -100)
+j(-100, -.5)
+j(-100, .5)
+j(-100, -1)
+j(-100, 1)
+j(-100, -1.5)
+j(-100, 1.5)
+j(-100, -1.74)
+j(-100, 1.74)
+j(-100, -2)
+j(-100, 2)
+j(-100, -3.2345)
+j(-100, 3.2345)
+j(-100, -100)
+j(-100, 100)
+j(100, 0)
+j(100, .5)
+j(100, -.5)
+j(100, 1)
+j(100, -1)
+j(100, 1.5)
+j(100, -1.5)
+j(100, 1.74)
+j(100, -1.74)
+j(100, 2)
+j(100, -2)
+j(100, 3.2345)
+j(100, -3.2345)
+j(100, 100)
+j(100, -100)
+j(100, -.5)
+j(100, .5)
+j(100, -1)
+j(100, 1)
+j(100, -1.5)
+j(100, 1.5)
+j(100, -1.74)
+j(100, 1.74)
+j(100, -2)
+j(100, 2)
+j(100, -3.2345)
+j(100, 3.2345)
+j(100, -100)
+j(100, 100)
+j(3, 0.75)
+scale = 0; j(40, 0.75)
+halt
\ No newline at end of file
diff --git a/testsuite/bc_bessel_results.txt b/testsuite/bc_bessel_results.txt
new file mode 100644
index 0000000..4bbb3c8
--- /dev/null
+++ b/testsuite/bc_bessel_results.txt
@@ -0,0 +1,843 @@
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diff --git a/testsuite/bc_boolean.bc b/testsuite/bc_boolean.bc
new file mode 100644
index 0000000..021afc5
--- /dev/null
+++ b/testsuite/bc_boolean.bc
@@ -0,0 +1,181 @@
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+0 || 4 < 4
+3 >= 4 || 0
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+3 || 4 >= 4
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+3 >= 2 || 4 >= 5
+3 < 4 || 0 > -1
+4 < 3 || 4 >= 4
+3 > 4 || 3 == 3
+3 != 3 || 4 >= 5
+3 > 4 || 0 > 1
+0 >= 0 || 4 < 4
+3 >= 4 || 0 >= 1
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diff --git a/testsuite/bc_boolean_results.txt b/testsuite/bc_boolean_results.txt
new file mode 100644
index 0000000..ea59389
--- /dev/null
+++ b/testsuite/bc_boolean_results.txt
@@ -0,0 +1,181 @@
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diff --git a/testsuite/bc_cosine.bc b/testsuite/bc_cosine.bc
new file mode 100644
index 0000000..9e67df4
--- /dev/null
+++ b/testsuite/bc_cosine.bc
@@ -0,0 +1,44 @@
+scale = 25
+p = 4 * a(1)
+scale = 20
+c(0)
+c(0.5)
+c(1)
+c(2)
+c(3)
+c(-0.5)
+c(-1)
+c(-2)
+c(-3)
+c(p / 7)
+c(-p / 7)
+c(p / 4)
+c(-p / 4)
+c(p / 3)
+c(-p / 3)
+c(p / 2)
+c(-p / 2)
+c(3 * p / 4)
+c(3 * -p / 4)
+c(p)
+c(-p)
+c(3 * p / 2)
+c(3 * -p / 2)
+c(7 * p / 4)
+c(7 * -p / 4)
+c(13 * p / 4)
+c(13 * -p / 4)
+c(2 * p)
+c(2 * -p)
+c(131231)
+c(-131231)
+c(859799894.3562378245)
+c(859799894.3562378245)
+c(4307371)
+c(3522556.3323810191)
+c(44961070)
+c(6918619.1574479809)
+c(190836996.2180244164)
+c(34934)
+c(2483599)
+c(13720376)
diff --git a/testsuite/bc_cosine_results.txt b/testsuite/bc_cosine_results.txt
new file mode 100644
index 0000000..43d640f
--- /dev/null
+++ b/testsuite/bc_cosine_results.txt
@@ -0,0 +1,41 @@
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diff --git a/testsuite/bc_decimal.bc b/testsuite/bc_decimal.bc
new file mode 100644
index 0000000..9b1788c
--- /dev/null
+++ b/testsuite/bc_decimal.bc
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diff --git a/testsuite/bc_decimal_results.txt b/testsuite/bc_decimal_results.txt
new file mode 100644
index 0000000..275d431
--- /dev/null
+++ b/testsuite/bc_decimal_results.txt
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diff --git a/testsuite/bc_divide.bc b/testsuite/bc_divide.bc
new file mode 100644
index 0000000..4d0cadd
--- /dev/null
+++ b/testsuite/bc_divide.bc
@@ -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
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+1 / 0.00000000000000000000000000000000000000000002346728372937352457354204563027
diff --git a/testsuite/bc_divide_results.txt b/testsuite/bc_divide_results.txt
new file mode 100644
index 0000000..c19f2f9
--- /dev/null
+++ b/testsuite/bc_divide_results.txt
@@ -0,0 +1,31 @@
+0
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diff --git a/testsuite/bc_exponent.bc b/testsuite/bc_exponent.bc
new file mode 100644
index 0000000..40bcf3c
--- /dev/null
+++ b/testsuite/bc_exponent.bc
@@ -0,0 +1,22 @@
+e(0)
+e(0.5)
+e(1)
+e(1.5)
+e(1.74)
+e(2)
+e(3.2345)
+e(5.283957)
+e(13.23857)
+e(100)
+e(283.238957)
+e(-0.5)
+e(-1)
+e(-1.5)
+e(-1.74)
+e(-2)
+e(-3.2345)
+e(-5.283957)
+e(-13.23857)
+e(-100)
+e(-283.238957)
+e(142.749502399)
diff --git a/testsuite/bc_exponent_results.txt b/testsuite/bc_exponent_results.txt
new file mode 100644
index 0000000..a1f1fe2
--- /dev/null
+++ b/testsuite/bc_exponent_results.txt
@@ -0,0 +1,25 @@
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diff --git a/testsuite/bc_large.tar.xz b/testsuite/bc_large.tar.xz
new file mode 100644
index 0000000..b2e358a
--- /dev/null
+++ b/testsuite/bc_large.tar.xz
diff --git a/testsuite/bc_log.bc b/testsuite/bc_log.bc
new file mode 100644
index 0000000..54115e3
--- /dev/null
+++ b/testsuite/bc_log.bc
@@ -0,0 +1,22 @@
+l(0)
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+l(3.2345)
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+l(-100)
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diff --git a/testsuite/bc_log_results.txt b/testsuite/bc_log_results.txt
new file mode 100644
index 0000000..ce840a0
--- /dev/null
+++ b/testsuite/bc_log_results.txt
@@ -0,0 +1,22 @@
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diff --git a/testsuite/bc_misc.bc b/testsuite/bc_misc.bc
new file mode 100644
index 0000000..571f4a8
--- /dev/null
+++ b/testsuite/bc_misc.bc
@@ -0,0 +1,13 @@
+4.1*1.-13^ - 74 - 1284597623841*1.-13^ - 757
+4.1*1.\
+-1\
+3^ - 74 - 1284597623841*1.\
+-1\
+3^ - 757
+obase = 9
+4.1*1.-13^ - 74 - 1284597623841*1.-13^ - 757
+4.1*1.\
+-1\
+3^ - 74 - 1284597623841*1.\
+-1\
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diff --git a/testsuite/bc_misc1.bc b/testsuite/bc_misc1.bc
new file mode 100644
index 0000000..7e9d966
--- /dev/null
+++ b/testsuite/bc_misc1.bc
@@ -0,0 +1,76 @@
+define x(x) {
+	return(x)
+}
+define y() {
+	return;
+}
+define z() {
+	return ();
+}
+scale = 0
+x=2
+x[0]=3
+x
+x[0]
+scale
+ibase
+obase
+x ( 7 )
+x + x( 8 )
+x - x[0]
+321 * x
+2 ^ x[0]
+x++
+--x
+x += 9
+x
+length(2381)
+sqrt(9)
+scale(238.1)
+x=2
+x[0]=3
+(x)
+(x[0])
+(scale)
+(ibase)
+(obase)
+(x ( 7 ))
+(x + x( 8 ))
+(x - x[0])
+(321 * x)
+(2 ^ x[0])
+(x++)
+(--x)
+(x += 9)
+(length(2381))
+(sqrt(9))
+(scale(238.1))
+(scale = 0)
+(x = 10)
+(x += 100)
+(x -= 10)
+(x *= 10)
+(x /= 100)
+(x ^= 10)
+(x = sqrt(x))
+(x[1 - 1])
+x[(1 - 1)]
+2 + \
+3
+++ibase
+--ibase
+++obase
+--obase
+++last
+--last
+last
+last = 100
+last
+. = 150
+.
+++scale
+--scale
+y()
+z()
+2 + /*
+*/3
diff --git a/testsuite/bc_misc1_results.txt b/testsuite/bc_misc1_results.txt
new file mode 100644
index 0000000..a9c2780
--- /dev/null
+++ b/testsuite/bc_misc1_results.txt
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diff --git a/testsuite/bc_misc2.bc b/testsuite/bc_misc2.bc
new file mode 100644
index 0000000..f5a6a6b
--- /dev/null
+++ b/testsuite/bc_misc2.bc
@@ -0,0 +1,45 @@
+define x() {
+"x"
+return ( 1 )
+}
+define y() {
+"y"
+return (2)
+}
+define z() {
+"z"
+return (3)
+}
+
+if ( x() == y() ) {1}
+1
+if ( x() <= y() ) {2}
+if ( y() >= x() ) {3}
+if ( x() != y() ) {4}
+if ( x() < y() ) {5}
+if ( y() > x() ) {6}
+
+if ( x() == z() ) {11}
+11
+if ( x() <= z() ) {12}
+if ( z() >= x() ) {13}
+if ( x() != z() ) {14}
+if ( x() < z() ) {15}
+if ( z() > x() ) {16}
+
+x = -10
+while (x <= 0) {
+	x
+	if (x == -5) break;
+	x += 1
+}
+
+define u() {
+	auto a[];
+	return a[0]
+}
+
+u()
+
+if (x == -4) x
+else x - 4
diff --git a/testsuite/bc_misc2_results.txt b/testsuite/bc_misc2_results.txt
new file mode 100644
index 0000000..022ca87
--- /dev/null
+++ b/testsuite/bc_misc2_results.txt
@@ -0,0 +1,20 @@
+xy1
+xy2
+yx3
+xy4
+xy5
+yx6
+xz11
+xz12
+zx13
+xz14
+xz15
+zx16
+-10
+-9
+-8
+-7
+-6
+-5
+0
+-9
diff --git a/testsuite/bc_misc_results.txt b/testsuite/bc_misc_results.txt
new file mode 100644
index 0000000..e2db76e
--- /dev/null
+++ b/testsuite/bc_misc_results.txt
@@ -0,0 +1,4 @@
+-1284597623836.9
+-1284597623836.9
+-4483684050181.80
+-4483684050181.80
diff --git a/testsuite/bc_modulus.bc b/testsuite/bc_modulus.bc
new file mode 100644
index 0000000..e2656a6
--- /dev/null
+++ b/testsuite/bc_modulus.bc
@@ -0,0 +1,70 @@
+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
+1 % 0.2395672438567234
+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
+scale = 0; -899510228 % -2448300078.40314
+scale = 0; -7424863 % -207.2609738667
+scale = 0; 3769798918 % 0.6
diff --git a/testsuite/bc_modulus_results.txt b/testsuite/bc_modulus_results.txt
new file mode 100644
index 0000000..e85145b
--- /dev/null
+++ b/testsuite/bc_modulus_results.txt
@@ -0,0 +1,69 @@
+0
+0
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+.00000000000000002026
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+-.00000000000000000002
+-.00000000000000000005
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+-.00000000000000000002
+-.00000000000000011722
+-.00000002640923745817
+.000000000000000000000404744340951948
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+.4
diff --git a/testsuite/bc_multiply.bc b/testsuite/bc_multiply.bc
new file mode 100644
index 0000000..8d5aa36
--- /dev/null
+++ b/testsuite/bc_multiply.bc
@@ -0,0 +1,42 @@
+0 * 0
+0.000 * 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
+.000000000000000000000000001 * .0000000000000000000000001
+scale = 0; 237854962 * -26
diff --git a/testsuite/bc_multiply_results.txt b/testsuite/bc_multiply_results.txt
new file mode 100644
index 0000000..1dee19c
--- /dev/null
+++ b/testsuite/bc_multiply_results.txt
@@ -0,0 +1,43 @@
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diff --git a/testsuite/bc_pi.bc b/testsuite/bc_pi.bc
new file mode 100644
index 0000000..b98419f
--- /dev/null
+++ b/testsuite/bc_pi.bc
@@ -0,0 +1,4 @@
+for (i = 0; i <= 100; ++i) {
+	scale = i
+	4 * a(1)
+}
diff --git a/testsuite/bc_pi_results.txt b/testsuite/bc_pi_results.txt
new file mode 100644
index 0000000..128d6c0
--- /dev/null
+++ b/testsuite/bc_pi_results.txt
@@ -0,0 +1,135 @@
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diff --git a/testsuite/bc_power.bc b/testsuite/bc_power.bc
new file mode 100644
index 0000000..5657cdd
--- /dev/null
+++ b/testsuite/bc_power.bc
@@ -0,0 +1,44 @@
+0 ^ 0
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+0 ^ 1894
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+39746823 ^ 0
+0.238672983047682 ^ 0
+18394762374689237468.97354862973846 ^ 0
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+1 ^ -1
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+38579623756.897937568235 ^ -1
+1 ^ -32467
+2 ^ -53
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+-1 ^ 1
+-1 ^ 2
+-2 ^ 1
+-2 ^ 2
+-237 ^ 294
+-3746 ^ 28
+-0.3548 ^ 35
+-4267.234 ^ 37
+-326.3246 ^ 78
+-1 ^ -1
+-1 ^ -2
+-2 ^ -1
+-2 ^ -2
+-237 ^ -293
+-784 ^ -23
+-86 ^ -7
+-0.23424398 ^ -781
+-178.234786 ^ -879
+-1274.346 ^ -768
+0 ^ -251
+-0.2959371298 ^ 227
diff --git a/testsuite/bc_power_results.txt b/testsuite/bc_power_results.txt
new file mode 100644
index 0000000..997f44f
--- /dev/null
+++ b/testsuite/bc_power_results.txt
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diff --git a/testsuite/bc_sine.bc b/testsuite/bc_sine.bc
new file mode 100644
index 0000000..d3a547b
--- /dev/null
+++ b/testsuite/bc_sine.bc
@@ -0,0 +1,207 @@
+scale = 25
+p = 4 * a(1)
+scale = 20
+s(0)
+s(0.5)
+s(1)
+s(2)
+s(3)
+s(-0.5)
+s(-1)
+s(-2)
+s(-3)
+s(p / 7)
+s(-p / 7)
+s(p / 4)
+s(-p / 4)
+s(p / 3)
+s(-p / 3)
+s(p / 2)
+s(-p / 2)
+s(3 * p / 4)
+s(3 * -p / 4)
+s(p)
+s(-p)
+s(3 * p / 2)
+s(3 * -p / 2)
+s(7 * p / 4)
+s(7 * -p / 4)
+s(13 * p / 4)
+s(13 * -p / 4)
+s(2 * p)
+s(2 * -p)
+s(131231)
+s(-131231)
+s(69.1967507777)
+s(10828)
+s(-16248506.847013148)
+s(2050281000)
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diff --git a/testsuite/bc_sine_results.txt b/testsuite/bc_sine_results.txt
new file mode 100644
index 0000000..7a4a1ab
--- /dev/null
+++ b/testsuite/bc_sine_results.txt
@@ -0,0 +1,204 @@
+0
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diff --git a/testsuite/bc_sqrt.bc b/testsuite/bc_sqrt.bc
new file mode 100644
index 0000000..afd87ff
--- /dev/null
+++ b/testsuite/bc_sqrt.bc
@@ -0,0 +1,18 @@
+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)
+sqrt(.0000000000000000000000000000123)
+sqrt(1)
+scale = 0;
+sqrt(1407)
+sqrt(79101)
+scale = 6; sqrt(88.1247699921300025847737099094480986051698668662822009535526240)
diff --git a/testsuite/bc_sqrt_results.txt b/testsuite/bc_sqrt_results.txt
new file mode 100644
index 0000000..10a4fa9
--- /dev/null
+++ b/testsuite/bc_sqrt_results.txt
@@ -0,0 +1,16 @@
+0
+1.41421356237309504880
+2.00000000000000000000
+3.00000000000000000000
+4.00000000000000000000
+5.00000000000000000000
+11.00000000000000000000
+220.82798735667542192643
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+.0000000000000035071355833500363
+1.00000000000000000000
+37
+281
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diff --git a/testsuite/bc_strings.bc b/testsuite/bc_strings.bc
new file mode 100644
index 0000000..1cb7d6a
--- /dev/null
+++ b/testsuite/bc_strings.bc
@@ -0,0 +1,12 @@
+"string"
+"another string"
+"yet
+another
+string"
+"noescapes\n"
+"newline
+"
+print "string"
+print "newline\n"
+
+print "\\\e\n"
diff --git a/testsuite/bc_strings_results.txt b/testsuite/bc_strings_results.txt
new file mode 100644
index 0000000..89b01ac
--- /dev/null
+++ b/testsuite/bc_strings_results.txt
@@ -0,0 +1,5 @@
+stringanother stringyet
+another
+stringnoescapes\nnewline
+stringnewline
+\\
diff --git a/testsuite/bc_subtract.bc b/testsuite/bc_subtract.bc
new file mode 100644
index 0000000..61ea953
--- /dev/null
+++ b/testsuite/bc_subtract.bc
@@ -0,0 +1,32 @@
+0 - 0
+0 - 1
+1 - 0
+1 - 1
+5 - 2
+2 - 9
+321974 - 12845976238457
+2874519803456710938465 - 384723854
+10000000000000000000000000000000000000000 - 999999999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 9999999999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 999999999999999999999999999999999999999.99999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 9999999999999999999999999999999999999999.9999999999999999999999999999999999
+10000000000000000000000000000000000000000 - 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+10000000000000000000000000000000000000001 - 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001
+10000000000000000000000000000000000000000.0000000001 - 0.0000000000000000000000000000000000000000000000000000000000000000000000000001
+-2 - 6
+-23784692345 - 182934721309467230894628735496027345
+-224352354962873059862 - -1245723576829456278354960278345
+-3468273598 - -12354243
+-0.92345768293 - -2354768923
+-712384634.123476823 - -24768293376
+-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
+0 - -525898
+3- - -3
diff --git a/testsuite/bc_subtract_results.txt b/testsuite/bc_subtract_results.txt
new file mode 100644
index 0000000..6850b5b
--- /dev/null
+++ b/testsuite/bc_subtract_results.txt
@@ -0,0 +1,36 @@
+0
+-1
+1
+0
+3
+-7
+-12845975916483
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+9000000000000000000000000000000000000001
+1
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+00000001
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+10000000000000000000000000000000000000000.99999999999999999999999999\
+999999999999999999999999999999999999999999999999999999999999
+10000000000000000000000000000000000000000.00000000009999999999999999\
+99999999999999999999999999999999999999999999999999
+-8
+-182934721309467230894628759280719690
+1245723576605103923392087218483
+-3455919355
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+0
diff --git a/testsuite/bc_vars.bc b/testsuite/bc_vars.bc
new file mode 100644
index 0000000..91e3572
--- /dev/null
+++ b/testsuite/bc_vars.bc
@@ -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
+s7298367203972395108367910823465293084561329084561390845613409516734503870691837451 + 785621394067928346918023476190834672198467134908618723249671349062187346898241093486139046139084613490817356023871869102746182749061872609129847
diff --git a/testsuite/bc_vars_results.txt b/testsuite/bc_vars_results.txt
new file mode 100644
index 0000000..6597d84
--- /dev/null
+++ b/testsuite/bc_vars_results.txt
@@ -0,0 +1,12 @@
+1609746610419572350599.59456175545
+.0000772397688552681359718594121969204138521230712049526233926741658\
+845368495051158801794834809672994
+34895734996363239667509709873808371507.68195580850970988421481133834\
+5
+246246247.226719697748
+-28914376850.99973314416
+.0030975704827179453786044330548590249517387192084765414205077089498\
+482709063381782183114683451531598
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+73468982410934861390461390846134908173560238718691027461827490618726\
+09129847
diff --git a/testsuite/dc.tests b/testsuite/dc.tests
index d7a332b..8edfa07 100755
--- a/testsuite/dc.tests
+++ b/testsuite/dc.tests
@@ -41,4 +41,24 @@ testing "dc complex without spaces (multiple args)" \
 	"16\n" \
 	"" ""
 
+for f in dc_*.dc; do
+	r="`basename "$f" .dc`_results.txt"
+	test -f "$r" || continue
+	# testing "test name" "command" "expected result" "file input" "stdin"
+	testing "dc $f" \
+		"{ { dc $f 2>&1; echo E:\$? >&2; } | diff -u - $r; echo E:\$?; } 2>&1" \
+		"E:0\nE:0\n" \
+		"" ""
+done
+
+for f in dcx_*.dc; do
+	r="`basename "$f" .dc`_results.txt"
+	test -f "$r" || continue
+	# testing "test name" "command" "expected result" "file input" "stdin"
+	testing "dc -x $f" \
+		"{ { dc -x $f 2>&1; echo E:\$? >&2; } | diff -u - $r; echo E:\$?; } 2>&1" \
+		"E:0\nE:0\n" \
+		"" ""
+done
+
 exit $FAILCOUNT
diff --git a/testsuite/dc_add.dc b/testsuite/dc_add.dc
new file mode 100644
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diff --git a/testsuite/dc_subtract_results.txt b/testsuite/dc_subtract_results.txt
new file mode 100644
index 0000000..9f77262
--- /dev/null
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diff --git a/testsuite/dcx_vars.dc b/testsuite/dcx_vars.dc
new file mode 100644
index 0000000..bbe73b4
--- /dev/null
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diff --git a/testsuite/dcx_vars_results.txt b/testsuite/dcx_vars_results.txt
new file mode 100644
index 0000000..6f18e7a
--- /dev/null
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