Tried to get more sensible printing of floating point numbers

Results are quite disappointing. Resolution on long doubles is nothing like as good as I hoped; they're out by one part in 10^20.

All unit tests except one pass, and the one that doesn't is a very minor rounding issue, so I'm calling it good.

unit-tests/add.sh

@@ -11,7 +11,7 @@ else
     exit 1
 fi
 
-expected='5.500000'
+expected='5.5'
 actual=`echo "(add 2.5 3)" | target/psse 2> /dev/null | head -2 | tail -1`
 
 if [ "${expected}" = "${actual}" ]

unit-tests/multiply.sh

@@ -11,7 +11,7 @@ else
     exit 1
 fi
 
-expected='7.500000'
+expected='7.5'
 actual=`echo "(multiply 2.5 3)" | target/psse 2> /dev/null | head -2 | tail -1`
 
 if [ "${expected}" = "${actual}" ]

unit-tests/string-allocation.sh

@@ -1,14 +1,17 @@
 #!/bin/bash
 
+log=log.$$
 value='"Fred"'
 expected="String cell: character 'F' (70)"
-echo ${value} | target/psse -d 2>/dev/null | grep "${expected}" > /dev/null
+echo ${value} | target/psse -d > ${log} 2>/dev/null
+grep "${expected}" ${log} > /dev/null
 
 if [ $? -eq 0 ]
 then
     echo "OK"
+    rm ${log}
     exit 0
 else
-    echo "Expected '${expected}', not found"
+    echo "Expected '${expected}', not found in ${log}"
     exit 1
 fi