- Implemented fp generating correctly and added new tests

Author: DavidGalllob

src/org/sosy_lab/java_smt/basicimpl/AbstractFloatingPointFormulaManager.java

@@ -179,13 +179,9 @@ protected TFormulaInfo makeNumberImpl(
   public FloatingPointFormula makeNumber(
       BigInteger exponent, BigInteger mantissa, boolean signBit, FloatingPointType type) {
     FloatingPointFormula result = wrap(makeNumberImpl(exponent, mantissa, signBit, type));
-    int sign = signBit ? 1 : 0;
     if (Generator.isLoggingEnabled()) {
-      FloatingPointGenerator.logMakeFloatingPoint(
-          result,
-          type.getExponentSize(),
-          type.getMantissaSize(),
-          String.valueOf(sign + exponent.intValue() + mantissa.intValue()));
+      FloatingPointGenerator.logMakeFloatingPointFromBigInteger(
+          result, exponent, mantissa, signBit, type);
     }
     return result;
   }