Allow negative numbers in Split_Int_Dec_Exp_Nums

diff --git a/src/formatting_helpers.adb b/src/formatting_helpers.adb
index b59049d4017a62a247d6d35528725827ae7012d2..63a80509649242ca59f34b5e4bec3fee968caefe 100644 (file)
--- a/src/formatting_helpers.adb
+++ b/src/formatting_helpers.adb
@@ -55,10 +55,12 @@ package body Formatting_Helpers is
     package FHEF is new Ada.Numerics.Generic_Elementary_Functions(FH_Float);
     use FHEF;
 
+    ExpDecimals: constant FH_Float := 10.0 ** Decimals;
+    PNum: FH_Float;
     Expanded: FH_Float;
     Integer_Part_F: FH_Float;
     Log_Arg_Floored: FH_Float;
-    ExpDecimals: constant FH_Float := 10.0 ** Decimals;
+    Negative: Boolean;
   begin
     if Num = 0.0 then 
       Integer_Part := 0;
@@ -67,15 +69,26 @@ package body Formatting_Helpers is
       return;
     end if;
 
-    Log_Arg_Floored := FH_Float'Floor(Log(Base => 10.0, X => Num));
+    if Num < 0.0 then
+      Negative := True;
+      PNum := Num * (-1.0);
+    else
+      PNum := Num;
+      Negative := False;
+    end if;
+
+    Log_Arg_Floored := FH_Float'Floor(Log(Base => 10.0, X => PNum));
     Expanded := 10.0 ** Log_Arg_Floored;
 
-    Integer_Part_F := FH_Float'Floor(Num / Expanded);
-    Decimal_Part := ((Num - (Integer_Part_F * Expanded)) / Expanded) * ExpDecimals;
+    Integer_Part_F := FH_Float'Floor(PNum / Expanded);
+    Decimal_Part := ((PNum - (Integer_Part_F * Expanded)) / Expanded) * ExpDecimals;
 
     Exponent_Part := Integer(Log_Arg_Floored);
     Integer_Part := Integer(Integer_Part_F);
 
+    if Negative then
+      Integer_Part := Integer_Part * (-1);
+    end if;
     --Ada.Text_IO.Put_Line(FH_Float'Image(Num) & " --- " & Integer'Image(Integer_Part) & "," & FH_Float'Image(Decimal_Part) & "e" & Integer'Image(Exponent_Part));
   end Split_Integer_Decimal_Exponent_Nums;