#433: remove unused code from the FP manager of Bitwuzla.

Author: kfriedberger

src/org/sosy_lab/java_smt/solvers/bitwuzla/BitwuzlaFloatingPointManager.java

@@ -97,26 +97,10 @@ private Sort mkFpaSort(FloatingPointType pType) {
   @Override
   protected Term makeNumberAndRound(
       String pN, FloatingPointType pType, Term pFloatingPointRoundingMode) {
-    // Convert input string to "canonical" format, that is without trailing zeroes, but at least
-    // one digit after the dot
-    String canonical = pN.replaceAll("(\\.[0-9]+?)0*$", "$1");
-    if (!canonical.contains(".")) {
-      canonical = canonical + ".0";
+    if (isNegativeZero(Double.valueOf(pN))) {
+      return termManager.mk_fp_neg_zero(mkFpaSort(pType));
     }
-
-    // Handle special cases
-    switch (canonical) {
-      case "-inf":
-        return termManager.mk_fp_neg_inf(mkFpaSort(pType));
-      case "-0.0":
-        return termManager.mk_fp_neg_zero(mkFpaSort(pType));
-      case "nan":
-        return termManager.mk_fp_nan(mkFpaSort(pType));
-      case "inf":
-        return termManager.mk_fp_pos_inf(mkFpaSort(pType));
-    }
-
-    String decimalString = new BigDecimal(canonical).toPlainString();
+    String decimalString = new BigDecimal(pN).toPlainString();
     return termManager.mk_fp_value(mkFpaSort(pType), pFloatingPointRoundingMode, decimalString);
   }