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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 "OFFloatMatrix.h"
#import "OFFloatVector.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
@implementation OFFloatMatrix
+ matrixWithRows: (size_t)rows
columns: (size_t)columns
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{
self = [super init];
@try {
rows = rows_;
columns = columns_;
if (SIZE_MAX / rows < columns)
if (SIZE_MAX / rows < columns ||
SIZE_MAX / rows * columns < sizeof(float))
@throw [OFOutOfRangeException
newWithClass: isa];
data = [self allocMemoryForNItems: rows * columns
withSize: sizeof(float)];
if ((data = malloc(rows * columns * sizeof(float))) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: rows * columns * sizeof(float)];
memset(data, 0, rows * columns * sizeof(float));
if (rows == columns) {
size_t i;
for (i = 0; i < rows * columns; i += rows + 1)
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@try {
size_t i;
rows = rows_;
columns = columns_;
if (SIZE_MAX / rows < columns)
@throw [OFOutOfRangeException
if (SIZE_MAX / rows < columns ||
SIZE_MAX / rows * columns < sizeof(float))
@throw [OFOutOfRangeException newWithClass: isa];
newWithClass: isa];
data = [self allocMemoryForNItems: rows * columns
withSize: sizeof(float)];
if ((data = malloc(rows * columns * sizeof(float))) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: rows * columns * sizeof(float)];
for (i = 0; i < rows; i++) {
size_t j;
for (j = i; j < rows * columns; j += rows)
data[j] = (float)va_arg(arguments, double);
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
free(data);
[super dealloc];
}
- (void)setValue: (float)value
forRow: (size_t)row
column: (size_t)column
{
if (row >= rows || column >= columns)
@throw [OFOutOfRangeException newWithClass: isa];
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float *newData;
size_t i, base1, base2;
if (rows != matrix->columns)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
newData = [self allocMemoryForNItems: matrix->rows * columns
withSize: sizeof(float)];
if ((newData = malloc(matrix->rows * columns * sizeof(float))) == NULL)
@throw [OFOutOfMemoryException
newWithClass: isa
requestedSize: matrix->rows * columns * sizeof(float)];
base1 = 0;
base2 = 0;
for (i = 0; i < columns; i++) {
size_t base3 = base2;
size_t j;
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base3++;
}
base1 += rows;
base2 += matrix->rows;
}
[self freeMemory: data];
free(data);
data = newData;
rows = matrix->rows;
}
- (void)transpose
{
float *newData = [self allocMemoryForNItems: rows * columns
float *newData;
withSize: sizeof(float)];
[self freeMemory: data];
free(data);
data = newData;
}
- (void)translateWithVector: (OFFloatVector*)vector
{
OFFloatMatrix *translation;
float *cArray;
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