HAVRM mine / ARG_useful

do calculation of arrangement

arg_useful.h@0:fe553d45f0b2, 2015-04-18 (annotated)

Committer:
hirokimineshita
Date:
Sat Apr 18 09:27:00 2015 +0000
Revision:
0:fe553d45f0b2
Child:
1:0f4bc913a3cc
2015/04/18 PM 6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hirokimineshita 0:fe553d45f0b2 1 #ifndef _ARG_USEFUL_20150418_1411_
hirokimineshita 0:fe553d45f0b2 2 #define _ARG_USEFUL_20150418_1411_
hirokimineshita 0:fe553d45f0b2 3
hirokimineshita 0:fe553d45f0b2 4 //at matrix, place is from left to right and next, from up to down
hirokimineshita 0:fe553d45f0b2 5
hirokimineshita 0:fe553d45f0b2 6 /** arg_subs :
hirokimineshita 0:fe553d45f0b2 7 *
hirokimineshita 0:fe553d45f0b2 8 * @bref substitution of arrangements
hirokimineshita 0:fe553d45f0b2 9 * @param arg_to arrangement of what you want to submitition
hirokimineshita 0:fe553d45f0b2 10 * @param arg_from arrangement of original
hirokimineshita 0:fe553d45f0b2 11 * @param all_ele numbers of elements
hirokimineshita 0:fe553d45f0b2 12 */
hirokimineshita 0:fe553d45f0b2 13 void arg_subs(float *arg_to,float *arg_from,int all_ele)
hirokimineshita 0:fe553d45f0b2 14 {
hirokimineshita 0:fe553d45f0b2 15 for(int i=0; i<all_ele; i++)arg_to[i]=arg_from[i];
hirokimineshita 0:fe553d45f0b2 16 }
hirokimineshita 0:fe553d45f0b2 17
hirokimineshita 0:fe553d45f0b2 18 /** arg_swap :
hirokimineshita 0:fe553d45f0b2 19 *
hirokimineshita 0:fe553d45f0b2 20 * @bref swap two arrangements
hirokimineshita 0:fe553d45f0b2 21 * @param arg_a arrangement of what you want to swap
hirokimineshita 0:fe553d45f0b2 22 * @param arg_b (same as arg_a)
hirokimineshita 0:fe553d45f0b2 23 * @param all_ele numbers of elements
hirokimineshita 0:fe553d45f0b2 24 */
hirokimineshita 0:fe553d45f0b2 25 void arg_swap(float *arg_a,float *arg_b, int all_ele)
hirokimineshita 0:fe553d45f0b2 26 {
hirokimineshita 0:fe553d45f0b2 27 float c;
hirokimineshita 0:fe553d45f0b2 28 for(int i=0; i<all_ele; i++){
hirokimineshita 0:fe553d45f0b2 29 c=arg_a[i];
hirokimineshita 0:fe553d45f0b2 30 arg_a[i]=arg_b[i];
hirokimineshita 0:fe553d45f0b2 31 arg_b[i]=c;
hirokimineshita 0:fe553d45f0b2 32 }
hirokimineshita 0:fe553d45f0b2 33 }
hirokimineshita 0:fe553d45f0b2 34
hirokimineshita 0:fe553d45f0b2 35 /** arg_plus :
hirokimineshita 0:fe553d45f0b2 36 *
hirokimineshita 0:fe553d45f0b2 37 * @bref do addition of two matrix a[row][col]
hirokimineshita 0:fe553d45f0b2 38 * @param ans matrix of answer
hirokimineshita 0:fe553d45f0b2 39 * @param arg_a matrix of what you want to add
hirokimineshita 0:fe553d45f0b2 40 * @param arg_b (same as arg_a)
hirokimineshita 0:fe553d45f0b2 41 * @param row numbers of elements of row
hirokimineshita 0:fe553d45f0b2 42 * @param col numbers of elements of col
hirokimineshita 0:fe553d45f0b2 43 */
hirokimineshita 0:fe553d45f0b2 44 void arg_plus(float *ans,float *arg_a,float *arg_b,int row,int col)
hirokimineshita 0:fe553d45f0b2 45 {
hirokimineshita 0:fe553d45f0b2 46 for(int i=0; i<row; i++){
hirokimineshita 0:fe553d45f0b2 47 for(int j=0; j<col; j++)ans[i*col+j] = arg_a[i*col+j]+arg_b[i*col+j];
hirokimineshita 0:fe553d45f0b2 48 }
hirokimineshita 0:fe553d45f0b2 49 }
hirokimineshita 0:fe553d45f0b2 50
hirokimineshita 0:fe553d45f0b2 51 /** arg_minus :
hirokimineshita 0:fe553d45f0b2 52 *
hirokimineshita 0:fe553d45f0b2 53 * @bref do subtraction of two matrix like a-b
hirokimineshita 0:fe553d45f0b2 54 * @param ans matrix of answer
hirokimineshita 0:fe553d45f0b2 55 * @param arg_a matrix of what you want to minus
hirokimineshita 0:fe553d45f0b2 56 * @param arg_b (same as arg_a)
hirokimineshita 0:fe553d45f0b2 57 * @param row numbers of elements of row
hirokimineshita 0:fe553d45f0b2 58 * @param col numbers of elements of col
hirokimineshita 0:fe553d45f0b2 59 */
hirokimineshita 0:fe553d45f0b2 60 void arg_minus(float *ans,float *arg_a,float *arg_b,int row,int col)
hirokimineshita 0:fe553d45f0b2 61 {
hirokimineshita 0:fe553d45f0b2 62 for(int i=0; i<row; i++){
hirokimineshita 0:fe553d45f0b2 63 for(int j=0; j<col; j++)ans[i*col+j] = arg_a[i*col+j]-arg_b[i*col+j];
hirokimineshita 0:fe553d45f0b2 64 }
hirokimineshita 0:fe553d45f0b2 65 }
hirokimineshita 0:fe553d45f0b2 66
hirokimineshita 0:fe553d45f0b2 67 /** arg_multi :
hirokimineshita 0:fe553d45f0b2 68 *
hirokimineshita 0:fe553d45f0b2 69 * @bref do multiplication of two matrix like a*b
hirokimineshita 0:fe553d45f0b2 70 * @param ans matrix of answer
hirokimineshita 0:fe553d45f0b2 71 * @param arg_a matrix of what you want to minus
hirokimineshita 0:fe553d45f0b2 72 * @param row_a numbers of elements of row of arg_a
hirokimineshita 0:fe553d45f0b2 73 * @param col_b numbers of elements of col of arg_a
hirokimineshita 0:fe553d45f0b2 74 * @param arg_b (same as arg_a)
hirokimineshita 0:fe553d45f0b2 75 * @param row_b numbers of elements of row of arg_b
hirokimineshita 0:fe553d45f0b2 76 * @param col_b numbers of elements of col of arg_b
hirokimineshita 0:fe553d45f0b2 77 * @retval 0 you can multiplication
hirokimineshita 0:fe553d45f0b2 78 * @retval -1 you can't multiplication
hirokimineshita 0:fe553d45f0b2 79 */
hirokimineshita 0:fe553d45f0b2 80 int arg_multi(float *ans,float *arg_a,int row_a,int col_a,float *arg_b,int row_b,int col_b)
hirokimineshita 0:fe553d45f0b2 81 {
hirokimineshita 0:fe553d45f0b2 82 if(col_a!=row_b)return -1;
hirokimineshita 0:fe553d45f0b2 83 else{
hirokimineshita 0:fe553d45f0b2 84 for(int i=0; i<row_a; i++){
hirokimineshita 0:fe553d45f0b2 85 for(int j=0; j<col_b; j++){
hirokimineshita 0:fe553d45f0b2 86 ans[i*col_b+j]=0;
hirokimineshita 0:fe553d45f0b2 87 for(int k=0; k<col_a; k++)ans[i*col_b+j]+=arg_a[i*col_a+k]*arg_b[j+col_b*k];
hirokimineshita 0:fe553d45f0b2 88 }
hirokimineshita 0:fe553d45f0b2 89 }
hirokimineshita 0:fe553d45f0b2 90 }
hirokimineshita 0:fe553d45f0b2 91 return 0;
hirokimineshita 0:fe553d45f0b2 92 }
hirokimineshita 0:fe553d45f0b2 93
hirokimineshita 0:fe553d45f0b2 94
hirokimineshita 0:fe553d45f0b2 95 #endif