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* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#import "OFFloatVector.h"
#import "OFFloatMatrix.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
static Class floatMatrix = Nil;
@implementation OFFloatVector
+ (void)initialize
{
if (self == [OFFloatVector class])
floatMatrix = [OFFloatMatrix class];
}
+ vectorWithDimension: (size_t)dimension
{
return [[[self alloc] initWithDimension: dimension] autorelease];
}
+ vectorWithDimensionAndData: (size_t)dimension, ...
{
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- initWithDimension: (size_t)dimension_
{
self = [super init];
@try {
dimension = dimension_;
if (SIZE_MAX / dimension < sizeof(float))
@throw [OFOutOfRangeException newWithClass: isa];
data = [self allocMemoryForNItems: dimension
withSize: sizeof(float)];
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self = [super init];
@try {
size_t i;
dimension = dimension_;
if (SIZE_MAX / dimension < sizeof(float))
@throw [OFOutOfRangeException newWithClass: isa];
data = [self allocMemoryForNItems: dimension
withSize: sizeof(float)];
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for (i = 0; i < dimension; i++)
data[i] /= magnitude;
}
- (void)multiplyWithMatrix: (OFFloatMatrix*)matrix
{
size_t rows, columns;
float *cArray, *newData;
columns = [matrix columns];
if (dimension != columns)
rows = [matrix rows];
cArray = [matrix cArray];
if ((newData = malloc(matrix->rows * sizeof(float))) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: matrix->rows * sizeof(float)];
newData = [self allocMemoryForNItems: rows
withSize: sizeof(float)];
memset(newData, 0, rows * sizeof(float));
for (i = j = k = 0; i < rows * columns; i++) {
newData[j] += cArray[i] * data[k];
for (i = j = k = 0; i < matrix->rows * matrix->columns; i++) {
newData[j] += matrix->data[i] * data[k];
if (++j == rows) {
if (++j == matrix->rows) {
k++;
j = 0;
}
}
[self freeMemory: data];
free(data);
data = newData;
dimension = rows;
dimension = matrix->rows;
}
@end
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