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#include "emb-vector.h"
#include "emb-logging.h"
#include <math.h>
#include <stdlib.h>
void embVector_normalize(EmbVector vector, EmbVector* result)
{
double length = embVector_getLength(vector);
if(!result) { embLog_error("emb-vector.c embVector_normalize(), result argument is null\n"); return; }
result->X = vector.X / length;
result->Y = vector.Y / length;
}
void embVector_multiply(EmbVector vector, double magnitude, EmbVector* result)
{
if(!result) { embLog_error("emb-vector.c embVector_multiply(), result argument is null\n"); return; }
result->X = vector.X * magnitude;
result->Y = vector.Y * magnitude;
}
void embVector_add(EmbVector v1, EmbVector v2, EmbVector* result)
{
if(!result) { embLog_error("emb-vector.c embVector_add(), result argument is null\n"); return; }
result->X = v1.X + v2.X;
result->Y = v1.Y + v2.Y;
}
double embVector_getLength(EmbVector vector)
{
return sqrt(vector.X * vector.X + vector.Y * vector.Y);
}
EmbVectorList* embVectorList_create(EmbVector data)
{
EmbVectorList* pointer = (EmbVectorList*)malloc(sizeof(EmbVectorList));
if(!pointer) { embLog_error("emb-vector.c embVectorList_create(), cannot allocate memory for pointer\n"); return 0; }
pointer->vector = data;
pointer->next = 0;
return pointer;
}
EmbVectorList* embVectorList_add(EmbVectorList* pointer, EmbVector data)
{
if(!pointer) { embLog_error("emb-vector.c embVectorList_add(), pointer argument is null\n"); return 0; }
if(pointer->next) { embLog_error("emb-vector.c embVectorList_add(), pointer->next should be null\n"); return 0; }
pointer->next = (EmbVectorList*)malloc(sizeof(EmbVectorList));
if(!pointer->next) { embLog_error("emb-vector.c embVectorList_add(), cannot allocate memory for pointer->next\n"); return 0; }
pointer = pointer->next;
pointer->vector = data;
pointer->next = 0;
return pointer;
}
int embVectorList_count(EmbVectorList* pointer)
{
int i = 1;
if(!pointer) return 0;
while(pointer->next)
{
pointer = pointer->next;
i++;
}
return i;
}
int embVectorList_empty(EmbVectorList* pointer)
{
if(!pointer)
return 1;
return 0;
}
void embVectorList_free(EmbVectorList* pointer)
{
while(pointer)
{
EmbVectorList* temp = pointer;
pointer = pointer->next;
free(temp);
temp = 0;
}
}
/* kate: bom off; indent-mode cstyle; indent-width 4; replace-trailing-space-save on; */
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