Index: src/OFDoubleMatrix.h
==================================================================
--- src/OFDoubleMatrix.h
+++ src/OFDoubleMatrix.h
@@ -46,14 +46,17 @@
 /**
  * \brief Creates a new matrix with the specified dimension and data.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first double of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \return A new autoreleased OFDoubleMatrix
  */
 + matrixWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...;
+	 columns: (size_t)columns
+	    data: (double)data, ...;
 
 /**
  * \brief Initializes the matrix with the specified dimension.
  *
  * If the number of rows and columns is equal, the matrix is initialized to be
@@ -69,25 +72,31 @@
 /**
  * \brief Initializes the matrix with the specified dimension and data.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first double of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \return An initialized OFDoubleMatrix
  */
 -   initWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...;
+	 columns: (size_t)columns
+	    data: (double)data, ...;
 
 /**
  * \brief Initializes the matrix with the specified dimension and arguments.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first double of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \param arguments A va_list with data for the matrix
  * \return An initialized OFDoubleMatrix
  */
 - initWithRows: (size_t)rows
        columns: (size_t)columns
+	  data: (double)data
      arguments: (va_list)arguments;
 
 /**
  * \brief Sets the value for the specified row and colmn.
  *

Index: src/OFDoubleMatrix.m
==================================================================
--- src/OFDoubleMatrix.m
+++ src/OFDoubleMatrix.m
@@ -46,18 +46,20 @@
 	return [[[self alloc] initWithRows: rows
 				   columns: columns] autorelease];
 }
 
 + matrixWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...
+	 columns: (size_t)columns
+	    data: (double)data, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, columns);
+	va_start(arguments, data);
 	ret = [[[self alloc] initWithRows: rows
 				  columns: columns
+				     data: data
 				arguments: arguments] autorelease];
 	va_end(arguments);
 
 	return ret;
 }
@@ -104,26 +106,29 @@
 
 	return self;
 }
 
 -   initWithRows: (size_t)rows_
-  columnsAndData: (size_t)columns_, ...
+	 columns: (size_t)columns_
+	    data: (double)data_, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, columns_);
+	va_start(arguments, data_);
 	ret = [self initWithRows: rows_
 			 columns: columns_
+			    data: data_
 		       arguments: arguments];
 	va_end(arguments);
 
 	return ret;
 }
 
 - initWithRows: (size_t)rows_
        columns: (size_t)columns_
+	  data: (double)data_
      arguments: (va_list)arguments
 {
 	self = [super init];
 
 	@try {
@@ -143,11 +148,12 @@
 
 		for (i = 0; i < rows; i++) {
 			size_t j;
 
 			for (j = i; j < rows * columns; j += rows)
-				data[j] = (double)va_arg(arguments, double);
+				data[j] = (j == 0
+				    ? data_ : va_arg(arguments, double));
 		}
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}

Index: src/OFDoubleVector.h
==================================================================
--- src/OFDoubleVector.h
+++ src/OFDoubleVector.h
@@ -40,13 +40,15 @@
 
 /**
  * \brief Creates a new vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param data The first double of the data for the vector
  * \return A new autoreleased OFDoubleVector
  */
-+ vectorWithDimensionAndData: (size_t)dimension, ...;
++ vectorWithDimension: (size_t)dimension
+		 data: (double)data, ...;
 
 /**
  * \brief Initializes the vector with the specified dimension.
  *
  * \param dimension The dimension for the vector
@@ -56,23 +58,27 @@
 
 /**
  * \brief Initializes the vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param data The first double of the data for the vector
  * \return An initialized OFDoubleVector
  */
-- initWithDimensionAndData: (size_t)dimension, ...;
+- initWithDimension: (size_t)dimension
+	       data: (double)data, ...;
 
 /**
- * \brief Initializes the vector with the specified dimension and arguments.
+ * \brief Initializes the vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param The first double of the data for the vector
  * \param arguments A va_list with data for the vector
  * \return An initialized OFDoubleVector
  */
 - initWithDimension: (size_t)dimension
-	   arguments: (va_list)arguments;
+	       data: (double)data
+	  arguments: (va_list)arguments;
 
 /**
  * \brief Sets the value for the specified index.
  *
  * \param value The value

Index: src/OFDoubleVector.m
==================================================================
--- src/OFDoubleVector.m
+++ src/OFDoubleVector.m
@@ -43,17 +43,19 @@
 + vectorWithDimension: (size_t)dimension
 {
 	return [[[self alloc] initWithDimension: dimension] autorelease];
 }
 
-+ vectorWithDimensionAndData: (size_t)dimension, ...
++ vectorWithDimension: (size_t)dimension
+		 data: (double)data, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, dimension);
+	va_start(arguments, data);
 	ret = [[[self alloc] initWithDimension: dimension
+					  data: data
 				     arguments: arguments] autorelease];
 	va_end(arguments);
 
 	return ret;
 }
@@ -88,24 +90,27 @@
 	}
 
 	return self;
 }
 
-- initWithDimensionAndData: (size_t)dimension_, ...
+- initWithDimension: (size_t)dimension_
+	       data: (double)data_, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, dimension_);
+	va_start(arguments, data_);
 	ret = [self initWithDimension: dimension_
+				 data: data_
 			    arguments: arguments];
 	va_end(arguments);
 
 	return ret;
 }
 
 - initWithDimension: (size_t)dimension_
+	       data: (double)data_
 	  arguments: (va_list)arguments
 {
 	self = [super init];
 
 	@try {
@@ -119,12 +124,13 @@
 		if ((data = malloc(dimension * sizeof(double))) == NULL)
 			@throw [OFOutOfMemoryException
 			     newWithClass: isa
 			    requestedSize: dimension * sizeof(double)];
 
-		for (i = 0; i < dimension; i++)
-			data[i] = (double)va_arg(arguments, double);
+		data[0] = data_;
+		for (i = 1; i < dimension; i++)
+			data[i] = va_arg(arguments, double);
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}
 

Index: src/OFFloatMatrix.h
==================================================================
--- src/OFFloatMatrix.h
+++ src/OFFloatMatrix.h
@@ -46,14 +46,17 @@
 /**
  * \brief Creates a new matrix with the specified dimension and data.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first float of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \return A new autoreleased OFFloatMatrix
  */
 + matrixWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...;
+	 columns: (size_t)columns
+	    data: (float)data, ...;
 
 /**
  * \brief Initializes the matrix with the specified dimension.
  *
  * If the number of rows and columns is equal, the matrix is initialized to be
@@ -69,25 +72,31 @@
 /**
  * \brief Initializes the matrix with the specified dimension and data.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first float of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \return An initialized OFFloatMatrix
  */
 -   initWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...;
+	 columns: (size_t)columns
+	    data: (float)data, ...;
 
 /**
  * \brief Initializes the matrix with the specified dimension and arguments.
  *
  * \param rows The number of rows for the matrix
  * \param columns The number of colums for the matrix
+ * \param data The first float of the data for the matrix. The data is in the
+ *	       format rows-columns.
  * \param arguments A va_list with data for the matrix
  * \return An initialized OFFloatMatrix
  */
 - initWithRows: (size_t)rows
        columns: (size_t)columns
+	  data: (float)data
      arguments: (va_list)arguments;
 
 /**
  * \brief Sets the value for the specified row and colmn.
  *

Index: src/OFFloatMatrix.m
==================================================================
--- src/OFFloatMatrix.m
+++ src/OFFloatMatrix.m
@@ -46,18 +46,20 @@
 	return [[[self alloc] initWithRows: rows
 				   columns: columns] autorelease];
 }
 
 + matrixWithRows: (size_t)rows
-  columnsAndData: (size_t)columns, ...
+	 columns: (size_t)columns
+	    data: (float)data, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, columns);
+	va_start(arguments, data);
 	ret = [[[self alloc] initWithRows: rows
 				  columns: columns
+				     data: data
 				arguments: arguments] autorelease];
 	va_end(arguments);
 
 	return ret;
 }
@@ -104,26 +106,29 @@
 
 	return self;
 }
 
 -   initWithRows: (size_t)rows_
-  columnsAndData: (size_t)columns_, ...
+	 columns: (size_t)columns_
+	    data: (float)data_, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, columns_);
+	va_start(arguments, data_);
 	ret = [self initWithRows: rows_
 			 columns: columns_
+			    data: data_
 		       arguments: arguments];
 	va_end(arguments);
 
 	return ret;
 }
 
 - initWithRows: (size_t)rows_
        columns: (size_t)columns_
+	  data: (float)data_
      arguments: (va_list)arguments
 {
 	self = [super init];
 
 	@try {
@@ -143,11 +148,12 @@
 
 		for (i = 0; i < rows; i++) {
 			size_t j;
 
 			for (j = i; j < rows * columns; j += rows)
-				data[j] = (float)va_arg(arguments, double);
+				data[j] = (j == 0
+				    ? data_ : (float)va_arg(arguments, double));
 		}
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}

Index: src/OFFloatVector.h
==================================================================
--- src/OFFloatVector.h
+++ src/OFFloatVector.h
@@ -40,13 +40,15 @@
 
 /**
  * \brief Creates a new vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param data The first float of the data for the vector
  * \return A new autoreleased OFFloatVector
  */
-+ vectorWithDimensionAndData: (size_t)dimension, ...;
++ vectorWithDimension: (size_t)dimension
+		 data: (float)data, ...;
 
 /**
  * \brief Initializes the vector with the specified dimension.
  *
  * \param dimension The dimension for the vector
@@ -56,23 +58,27 @@
 
 /**
  * \brief Initializes the vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param data The first float of the data for the vector
  * \return An initialized OFFloatVector
  */
-- initWithDimensionAndData: (size_t)dimension, ...;
+- initWithDimension: (size_t)dimension
+	       data: (float)data, ...;
 
 /**
- * \brief Initializes the vector with the specified dimension and arguments.
+ * \brief Initializes the vector with the specified dimension and data.
  *
  * \param dimension The dimension for the vector
+ * \param The first float of the data for the vector
  * \param arguments A va_list with data for the vector
  * \return An initialized OFFloatVector
  */
 - initWithDimension: (size_t)dimension
-	   arguments: (va_list)arguments;
+	       data: (float)data
+	  arguments: (va_list)arguments;
 
 /**
  * \brief Sets the value for the specified index.
  *
  * \param value The value

Index: src/OFFloatVector.m
==================================================================
--- src/OFFloatVector.m
+++ src/OFFloatVector.m
@@ -43,17 +43,19 @@
 + vectorWithDimension: (size_t)dimension
 {
 	return [[[self alloc] initWithDimension: dimension] autorelease];
 }
 
-+ vectorWithDimensionAndData: (size_t)dimension, ...
++ vectorWithDimension: (size_t)dimension
+		 data: (float)data, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, dimension);
+	va_start(arguments, data);
 	ret = [[[self alloc] initWithDimension: dimension
+					  data: data
 				     arguments: arguments] autorelease];
 	va_end(arguments);
 
 	return ret;
 }
@@ -88,24 +90,27 @@
 	}
 
 	return self;
 }
 
-- initWithDimensionAndData: (size_t)dimension_, ...
+- initWithDimension: (size_t)dimension_
+	       data: (float)data_, ...
 {
 	id ret;
 	va_list arguments;
 
-	va_start(arguments, dimension_);
+	va_start(arguments, data_);
 	ret = [self initWithDimension: dimension_
+				 data: data_
 			    arguments: arguments];
 	va_end(arguments);
 
 	return ret;
 }
 
 - initWithDimension: (size_t)dimension_
+	       data: (float)data_
 	  arguments: (va_list)arguments
 {
 	self = [super init];
 
 	@try {
@@ -119,11 +124,12 @@
 		if ((data = malloc(dimension * sizeof(float))) == NULL)
 			@throw [OFOutOfMemoryException
 			     newWithClass: isa
 			    requestedSize: dimension * sizeof(float)];
 
-		for (i = 0; i < dimension; i++)
+		data[0] = data_;
+		for (i = 1; i < dimension; i++)
 			data[i] = (float)va_arg(arguments, double);
 	} @catch (id e) {
 		[self release];
 		@throw e;
 	}