1 files changed, 111 insertions, 0 deletions
diff --git a/2.3-1/src/c/matrixOperations/division/u8ldivma.c b/2.3-1/src/c/matrixOperations/division/u8ldivma.c
new file mode 100644
index 00000000..ce491b4f
--- /dev/null
+++ b/2.3-1/src/c/matrixOperations/division/u8ldivma.c
@@ -0,0 +1,111 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ This file must be used under the terms of the CeCILL.
+ This source file is licensed as described in the file COPYING, which
+ you should have received as part of this distribution.  The terms
+ are also available at
+ http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include "matrixDivision.h" 
+#include "lapack.h" 
+
+void u8ldivma (uint8* in1, int lines1, int columns1 ,
+				uint8* in2, int lines2, int columns2 ,
+				uint8* out ){
+
+
+	char cNorm	= 0;
+	int iExit	= 0;
+
+	/*temporary variables*/
+	int iWork		= 0;
+	int iInfo		= 0;
+	int iMax		= 0;
+	uint8 dblRcond	= 0;
+
+	uint8 dblEps	= 0;
+	uint8 dblAnorm	= 0;
+
+	uint8 *pAf		= NULL;
+	uint8 *pXb		= NULL;
+	uint8 *pDwork	= NULL;
+
+	int *pRank	= NULL;
+	int *pIpiv	= NULL;
+	int *pJpvt	= NULL;
+	int *pIwork	= NULL;
+
+	iWork	= max(4 * columns1, max(min(lines1, columns1) + 3 * lines1 + 1, 2 * min(lines1, columns1) + columns2));
+
+
+        lines2 = 0 ;
+
+	/* Array allocations*/
+	pAf			= (uint8*)malloc(sizeof(uint8) * (unsigned int) lines1 * (unsigned int) columns1);
+	pXb			= (uint8*)malloc(sizeof(uint8) * (unsigned int) max(lines1,columns1) * (unsigned int) columns2);
+
+	pRank		= (int*)malloc(sizeof(int));
+	pIpiv		= (int*)malloc(sizeof(int) *(unsigned int) columns1);
+	pJpvt		= (int*)malloc(sizeof(int) *(unsigned int) columns1);
+	pIwork		= (int*)malloc(sizeof(int) *(unsigned int) columns1);
+	
+
+
+	cNorm		= '1';
+	pDwork		= (uint8*)malloc(sizeof(uint8) *(unsigned int)iWork);
+	dblEps		= getRelativeMachinePrecision() ;
+	
+	dblAnorm	= dlange_(&cNorm, &lines1, &columns1, in1, &lines1, pDwork);
+	if(lines1 == columns1)
+	{
+		cNorm		= 'F';
+		dlacpy_(&cNorm, &columns1, &columns1, in1, &columns1, pAf, &columns1);
+		dgetrf_(&columns1, &columns1, pAf, &columns1, pIpiv, &iInfo);
+		if(iInfo == 0)
+		{
+			cNorm = '1';
+			C2F(dgecon)(&cNorm, &columns1, pAf, &columns1, &dblAnorm, &dblRcond, pDwork, pIwork, &iInfo);
+			if(dblRcond > sqrt(dblEps))
+			{
+				cNorm	= 'N';
+				C2F(dgetrs)(&cNorm, &columns1, &columns2, pAf, &columns1, pIpiv, in2, &columns1, &iInfo);
+				cNorm	= 'F';
+				C2F(dlacpy)(&cNorm, &columns1, &columns2, in2, &columns1, out, &columns1);
+				iExit = 1;
+			}
+		}
+
+	}
+
+	if(iExit == 0)
+	{
+		dblRcond = sqrt(dblEps);
+		cNorm = 'F';
+		iMax = max(lines1, columns1);
+		C2F(dlacpy)(&cNorm, &lines1, &columns2, in2, &lines1, pXb, &iMax);
+		memset(pJpvt, 0x00,(unsigned int) sizeof(int) * (unsigned int) columns1);
+		C2F(dgelsy)(	&lines1, &columns1, &columns2, in1, &lines1, pXb, &iMax,
+				pJpvt, &dblRcond, &pRank[0], pDwork, &iWork, &iInfo);
+
+		if(iInfo == 0)
+		{
+
+			cNorm = 'F';
+			C2F(dlacpy)(&cNorm, &columns1, &columns2, pXb, &iMax, out, &columns1);
+		}
+	}
+
+	free(pAf);
+	free(pXb);
+	free(pRank);
+	free(pIpiv);
+	free(pJpvt);
+	free(pIwork);
+	free(pDwork);
+}