Date: Friday, March 10, 2006 @ 18:47:33
Author: gilles
Path: /cvsroot/carob/carob
Modified: include/BigDecimal.hpp (1.16 -> 1.17) src/BigDecimal.cpp (1.20
-> 1.21)
Added == operator for comparisons
Added ostream << friend operator for serialization needs (see
ParameterStatement class)
------------------------+
include/BigDecimal.hpp | 20 ++++++++++++++++----
src/BigDecimal.cpp | 25 ++++++++++++++++---------
2 files changed, 32 insertions(+), 13 deletions(-)
Index: carob/include/BigDecimal.hpp
diff -u carob/include/BigDecimal.hpp:1.16 carob/include/BigDecimal.hpp:1.17
--- carob/include/BigDecimal.hpp:1.16 Thu Mar 9 10:46:04 2006
+++ carob/include/BigDecimal.hpp Fri Mar 10 18:47:33 2006
@@ -27,6 +27,7 @@
#include <gmpxx.h>
#include <string>
+#include <sstream>
namespace CarobNS {
@@ -50,15 +51,21 @@
/**
* Empty constructor.
* Sets fields to default values. This big decimal becomes zero (0 scale
- * and 0 intVal)
+ * and 0 unscaled_value)
*/
BigDecimal();
/**
- * Frees intVal if applicable
- */
- virtual ~BigDecimal();
/**
+ * Compares scale, sign and unscaled_value
+ */
+ bool operator == (const BigDecimal&);
+ /**
+ * BigDecimal display or serialization as a string
+ */
+ friend std::basic_ostream<wchar_t>& operator <<
(std::basic_ostream<wchar_t>& os,
+ const BigDecimal &bd) { return os<<(static_cast<std::wstring>(bd)); }
+ /**
* Constructor to deserialize a BigDecimal from a stream.
* @param input socket from which to deserializer Big Decimal
* @throws SocketIOException if an error occurs on the stream
@@ -66,6 +73,11 @@
BigDecimal::BigDecimal(const DriverSocket& input)
throw (SocketIOException, UnexpectedException);
/**
+ * Frees intVal if applicable
+ */
+ virtual ~BigDecimal();
+
+ /**
* Convertion to string.
* A leading minus sign is used to indicate sign, and the number of digits to
* the right of the decimal point is used to indicate scale.
Index: carob/src/BigDecimal.cpp
diff -u carob/src/BigDecimal.cpp:1.20 carob/src/BigDecimal.cpp:1.21
--- carob/src/BigDecimal.cpp:1.20 Thu Mar 9 10:46:04 2006
+++ carob/src/BigDecimal.cpp Fri Mar 10 18:47:33 2006
@@ -40,15 +40,6 @@
scale = 0;
signum = 0;
}
-
-BigDecimal::~BigDecimal()
-{
- if (byteArrayLength > 0 && byteArray != NULL)
- {
- delete[] byteArray;
- }
-}
-
BigDecimal::BigDecimal(const DriverSocket& input)
throw (SocketIOException, UnexpectedException) : unscaled_value(0)
{
@@ -118,6 +109,22 @@
// TODO: if ODBC/odbsequoia doesn't need the byte array, we should
// delete and throw away the byte array now.
}
+
+BigDecimal::~BigDecimal()
+{
+ if (byteArrayLength > 0 && byteArray != NULL)
+ {
+ delete[] byteArray;
+ }
+}
+
+bool BigDecimal::operator == (const BigDecimal& ref)
+{
+ return (signum == ref.signum
+ && scale == ref.scale
+ && mpz_cmp(unscaled_value.get_mpz_t(), ref.unscaled_value.get_mpz_t())
== 0);
+}
+
mpz_class BigDecimal::toBigInteger() const
{
if (scale == 0)
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