Add tests to the parsing of floating-point values in PRINT.

Parsing floating point values is sometimes picky, as the parser tries to
parse as integer before, this tests ensure that at least we are not
reversing.

Author: dmsc

testsuite/tests/fp-fun.bas

@@ -35,4 +35,8 @@ DEG
 ? INT(ATN(1)   * 1000000  - 45000000)
 ? INT(SIN(100) * 10000000 -  9848078)
 ? INT(COS(100) * 10000000 +  1736482)
+' Parsing of FP print
+? .1, 1.E1, (1E2)
+' Parsing of FP comparison
+? 1 < 1.1, 1.1 > 1
 

testsuite/tests/fp-fun.chk

@@ -34,3 +34,5 @@ DEG
 0
 0
 0
+0.1       10        100
+1         1