BigUnsignedInABase(std::string): Reject digits too big for the base.

[bigint/bigint.git] / BigUnsignedInABase.cc

diff --git a/BigUnsignedInABase.cc b/BigUnsignedInABase.cc
index c849014..999faaf 100644 (file)
--- a/BigUnsignedInABase.cc
+++ b/BigUnsignedInABase.cc
@@ -95,6 +95,9 @@ BigUnsignedInABase::BigUnsignedInABase(const std::string &s, Base base) {
                        blk[digitNum] = theSymbol - 'a' + 10;
                else
                        throw "BigUnsignedInABase(std::string, Base): Bad symbol in input.  Only 0-9, A-Z, a-z are accepted.";
+
+               if (blk[digitNum] >= base)
+                       throw "BigUnsignedInABase::BigUnsignedInABase(const Digit *, Index, Base): A digit is too large for the specified base";
        }
        zapLeadingZeros();
 }