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functions.c
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//
// functions.c
// Matrix Calculator
//
// Created by Sen on 13-4-22.
#include <stdio.h>
#include <string.h>
#include "functions.h"
extern MatList *matrixList;
extern MatList *currentMat;/* To record the number of used matlist in matrixList*/
extern int error_sort;
extern int get_element;
extern int get_submatrix;
Matrix callFunc(const char *funcName, ASTNode *argListNode){
/* sort out args */
ASTNode *argNode[10];
Matrix result;
Number calcresult;
MatList *p;
if (strcmp(funcName, "eye")==0) { /* generate eye matrix */
argNode[0] = getNthArgFromArgList(argListNode,1);
result = createEyeMatrix((int)readOneElementOfMatrix(argNode[0]->mat,1,1));
}
else if(strcmp(funcName, "rand")==0){/*generate rand matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = createRandMatrix((int)readOneElementOfMatrix(argNode[0]->mat,1,1),readOneElementOfMatrix(argNode[1]->mat,1,1));
}
else if(strcmp(funcName, "zeros")==0){/*generate rand matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = createZeroMatrix((int)readOneElementOfMatrix(argNode[0]->mat,1,1),readOneElementOfMatrix(argNode[1]->mat,1,1));
}
else if(strcmp(funcName, "max")==0){/*calculate maximum of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
calcresult = maxMatrix(argNode[0]->mat);
result = createEyeMatrix(1);
changeOneElementOfMatrix(result, 1, 1, calcresult);
}
else if(strcmp(funcName, "min")==0){/*calculate minimum of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
calcresult = minMatrix(argNode[0]->mat);
result = createEyeMatrix(1);
changeOneElementOfMatrix(result, 1, 1, calcresult);
}
else if(strcmp(funcName, "sum")==0){/*calculate sum of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
calcresult = sumMatrix(argNode[0]->mat);
result = createEyeMatrix(1);
changeOneElementOfMatrix(result, 1, 1, calcresult);
}
else if(strcmp(funcName, "round")==0){/*calculate round of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
result = roundMatrix(argNode[0]->mat);
}
else if(strcmp(funcName, "upper")==0){/*calculate upper of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
result = upperMatrix(argNode[0]->mat);
}
else if(strcmp(funcName, "lower")==0){/*calculate upper of matrix*/
argNode[0] = getNthArgFromArgList(argListNode,1);
result = lowerMatrix(argNode[0]->mat);
}
else if(strcmp(funcName, "det")==0){/*calculate DeterminantCalc*/
argNode[0] = getNthArgFromArgList(argListNode,1);
calcresult = DeterminantCalc(argNode[0]->mat.row, argNode[0]->mat);
result = createEyeMatrix(1);
changeOneElementOfMatrix(result, 1, 1, calcresult);
}
else if(strcmp(funcName, "turn")==0){/*calculate turn*/
argNode[0] = getNthArgFromArgList(argListNode,1);
result = turnMatrix(argNode[0]->mat);
}
else if(strcmp(funcName, "power")==0){/*calculate power*/
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = powerMatrix(argNode[0]->mat,(int)readOneElementOfMatrix(argNode[1]->mat,1,1));
}
else if(strcmp(funcName, "dot")==0){/*calculate dot*/
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = dotMatrix(argNode[0]->mat,argNode[1]->mat);
}
else if(strcmp(funcName, "norm")==0){/*calculate norm*/
argNode[0] = getNthArgFromArgList(argListNode,1);
result = normMatrix(argNode[0]->mat);
}
else if(strcmp(funcName, "angle")==0){/*calculate norm*/
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = angleMatrix(argNode[0]->mat,argNode[1]->mat);
}
else{
if (get_submatrix == 1){
p = checkMatName(funcName);
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
result = createSubMatrix(p->mat,argNode[0]->mat,argNode[1]->mat);
get_submatrix = 0;
}
else{
p = checkMatName(funcName);
argNode[0] = getNthArgFromArgList(argListNode,1);
argNode[1] = getNthArgFromArgList(argListNode,2);
calcresult = readOneElementOfMatrix(p->mat,(int)readOneElementOfMatrix(argNode[0]->mat,1,1),readOneElementOfMatrix(argNode[1]->mat,1,1));
result = createEyeMatrix(1);
changeOneElementOfMatrix(result, 1, 1, calcresult);
}
}
return result;
}