Set bc scale=10, add test

4 files changed, 5 insertions, 3 deletions

diff --git a/README.md b/README.md
index d721a36..11524f9 100644
--- a/README.md
+++ b/README.md
@@ -169,7 +169,7 @@ optional arguments:
   - sector size: 0x200 (512)
   - max heads per cylinder: 0x10 (16)
   - max sectors per track: 0x3f (63)
-- **bc variables**: scale = 5, ibase = 10. `bc` is not called in minimal output mode.
+- **bc variables**: scale = 10, ibase = 10. `bc` is not called in minimal output mode.
 
 ### Examples
 
diff --git a/bcal.1 b/bcal.1
index c664c1c..9f86b8c 100644
--- a/bcal.1
+++ b/bcal.1
@@ -60,7 +60,7 @@ Refer to:
   - max sectors per track: 0x3f (63)
 .PP
 .IP 10. 4
-\fBbc variables\fR: scale = 5, ibase = 10. \fIbc\fR is not called in minimal output mode.
+\fBbc variables\fR: scale = 10, ibase = 10. \fIbc\fR is not called in minimal output mode.
 .SH OPTIONS
 .TP
 .BI "-c=" N
diff --git a/src/bcal.c b/src/bcal.c
index ba74608..ee116f8 100644
--- a/src/bcal.c
+++ b/src/bcal.c
@@ -208,7 +208,7 @@ static int try_bc(char *expr)
 
 	/* parent */
 	char buffer[128] = "";
-	ret = write(pipe_pc[1], "scale=5\n", 8);
+	ret = write(pipe_pc[1], "scale=10\n", 9);
 
 	ret = write(pipe_pc[1], "last=", 5);
 	if (lastres.p[0])
diff --git a/test.py b/test.py
index a646a4f..7580b7b 100755
--- a/test.py
+++ b/test.py
@@ -86,6 +86,7 @@ test = [
     ('./bcal', '-m', "2 >>> 2"),                                       # 61
     ('./bcal', '-m', "2 b<3"),                                         # 62
     ('./bcal', '-m', "(2giB * 2) / (2kib >> 2)"),                      # 63
+    ('./bcal', '-b', "9876543210.987654321 * 123456789.123456789"),    # 64
 ]
 
 res = [
@@ -154,6 +155,7 @@ res = [
     b'ERROR: invalid sequence >>>\n',                # 61
     b'ERROR: invalid operator <\n',                  # 62
     b'8388608\n',                                    # 63
+    b'1219326312467611632.3609205901\n',             # 64
 ]