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comparison Vector.c @ 1:2698781db812

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Not sure changes -- not being used in VMSHW_matrix_mult
author Me
date Wed, 28 Jul 2010 13:14:00 -0700
parents b1f178ed41a3
children
comparison
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0:9040f3edda48 1:fe718783932f
7 7
8 8
9 #include <stdio.h> 9 #include <stdio.h>
10 #include <malloc.h> 10 #include <malloc.h>
11 11
12 #include "Vector.h"
12 13
13 14
14 /*make a struct with the sizes and a pointer to the 15 /*make a struct with the sizes and a pointer to the
15 * array, but hide a reverse pointer at the front of the array that 16 * array, but hide a reverse pointer at the front of the array that
16 * points back to the vector struct -- that way, can pass around the 17 * points back to the vector struct -- that way, can pass around the
20 * so from the point of changing size on, have the correct array ptr, 21 * so from the point of changing size on, have the correct array ptr,
21 * and also all other places that initiate a sequence later will get 22 * and also all other places that initiate a sequence later will get
22 * the array ptr from the vector struct at the sequence start.. 23 * the array ptr from the vector struct at the sequence start..
23 */ 24 */
24 bool8 25 bool8
25 addToVect( Vector *vect, void *ptrToElem ) 26 addToVect( void *ptrToElem, Vector *vect )
26 { int32 numPtrsInVect, sizeOfVect; 27 { int32 numPtrsInVect, sizeOfVect;
27 28
28 /* 29 /*
29 numPtrsInVect = *(vect -1); //num ptrs is "hidden" in front 30 numPtrsInVect = *(vect -1); //num ptrs is "hidden" in front
30 sizeOfVect = *(vect -2); 31 sizeOfVect = *(vect -2);
36 37
37 vect->arrayOfPtrs[numPtrsInVect] = ptrToElem; 38 vect->arrayOfPtrs[numPtrsInVect] = ptrToElem;
38 vect->numPtrsInArray++; 39 vect->numPtrsInArray++;
39 } 40 }
40 41
41 void ** 42 void
42 increaseSizeOfVect( Vector *vect ) 43 increaseSizeOfVect( Vector *vect )
43 { int32 oldSizeOfArray, newSizeOfArray, i; 44 { int32 oldSizeOfArray, newSizeOfArray, i;
44 void **newArray, **oldArray; 45 void **newArray, **oldArray;
45 46
46 oldSizeOfArray = vect->sizeOfArray; 47 oldSizeOfArray = vect->sizeOfArray;
55 } 56 }
56 vect->arrayOfPtrs = newArray; 57 vect->arrayOfPtrs = newArray;
57 vect->sizeOfArray = newSizeOfArray; 58 vect->sizeOfArray = newSizeOfArray;
58 59
59 free( oldArray -1 ); 60 free( oldArray -1 );
60 return newArray;
61 } 61 }
62 62
63 /* 63 /*
64 bool8 64 bool8
65 forAllInVectDo( ptrToFnTakesVectElemAsVoid* ) 65 forAllInVectDo( ptrToFnTakesVectElemAsVoid* )