From e59107e6bb2695fc20fd0ab229e296b9bf739fc4 Mon Sep 17 00:00:00 2001
From: siddhu8990
Date: Tue, 7 Feb 2017 16:16:31 +0530
Subject: Support for 'lqr' and 'lqe' added

---
 2.3-1/src/c/CACSD/lqr/as_per_sci_code.c | 144 ++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 2.3-1/src/c/CACSD/lqr/as_per_sci_code.c

(limited to '2.3-1/src/c/CACSD/lqr/as_per_sci_code.c')

diff --git a/2.3-1/src/c/CACSD/lqr/as_per_sci_code.c b/2.3-1/src/c/CACSD/lqr/as_per_sci_code.c
new file mode 100644
index 00000000..01f002c3
--- /dev/null
+++ b/2.3-1/src/c/CACSD/lqr/as_per_sci_code.c
@@ -0,0 +1,144 @@
+
+    sizeBA = 2*no_of_states + no_of_inputs;
+    BigE = (double*) malloc (sizeBA*sizeBA*sizeof(double));
+    BigA = (double*) malloc (sizeBA*sizeBA*sizeof(double));
+
+    /*Setup BigE*/
+    deyea(BigE,sizeBA,sizeBA);
+
+    for(row = no_of_states*2; row<sizeBA; row++)
+    {
+    	BigE[row*sizeBA+row] = 0;
+    }
+
+    /*Setup BigA*/
+    for(col=0; col < no_of_states; col++)
+	{
+    	for(row = 0; row < no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = A[col*no_of_states + row];
+    	}
+    }
+
+    for(col=no_of_states; col < no_of_states*2; col++)
+	{
+    	for(row = 0; row < no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = 0;
+    	}
+    }
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = 0; row < no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = B[col*no_of_states + row];
+    	}
+    }
+
+	for(col=0; col < no_of_states; col++)
+	{
+    	for(row = no_of_states; row < 2*no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = -1.0*Q[col*no_of_states + row];
+    	}
+    }
+
+    for(col=no_of_states; col < 2*no_of_states; col++)
+	{
+    	for(row = no_of_states; row < 2*no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = -1.0*A[row*no_of_states + col];
+    	}
+    }
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = no_of_states; row < 2*no_of_states; row++)
+    	{
+    		BigA[col*sizeBA+row] = -1.0*S[row*no_of_inputs + col];
+    	}
+    }
+
+    for(col=0; col < no_of_states; col++)
+	{
+    	for(row = 2*no_of_states; row < sizeBA; row++)
+    	{
+    		BigA[col*sizeBA+row] = S[col*no_of_inputs + row];
+    	}
+    }
+
+    for(col=no_of_states; col < 2*no_of_states; col++)
+	{
+    	for(row = 2*no_of_states; row < sizeBA; row++)
+    	{
+    		BigA[col*sizeBA+row] = B[row*no_of_inputs + col];
+    	}
+    }
+
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = 2*no_of_states; row < sizeBA; row++)
+    	{
+    		BigA[col*sizeBA+row] = R[col*no_of_inputs + row];
+    	}
+    }
+
+    /*Free up unwanted variables*/
+    free(A);
+    free(C);
+    free(C_t);
+    free(D);
+    free(D_t);
+    free(Q);
+
+    /*Inverse of R*/
+    Ri = (double*) malloc(no_of_inputs*no_of_inputs*sizeof(double));
+    dinverma(R,Ri,no_of_inputs);
+
+    /*Setup Left*/
+    Left = (double*) malloc(sizeBA*sizeBA*sizeof(double));
+    deyea(Left,sizeBA,sizeBA);
+
+    BRi = (double*) malloc(no_of_states*no_of_inputs*sizeof(double));
+    S_t = (double*) malloc(no_of_states*no_of_inputs*sizeof(double));
+    StRi = (double*) malloc(no_of_states*no_of_inputs*sizeof(double));
+
+    dtransposea(S,no_of_inputs,no_of_states,S_t);
+    dmula(B,no_of_states,no_of_inputs,Ri,no_of_inputs,no_of_inputs,BRi);
+    dmula(S_t,no_of_states,no_of_inputs,Ri,no_of_inputs,no_of_inputs,StRi);
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = 0; row < no_of_states; row++)
+    	{
+    		Left[col*sizeBA+row] = -1.0*BRi[col*no_of_states + row];
+    	}
+    }
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = no_of_states; row < 2*no_of_states; row++)
+    	{
+    		Left[col*sizeBA+row] = StRi[col*no_of_states + row];
+    	}
+    }
+
+    for(col=2*no_of_states; col < sizeBA; col++)
+	{
+    	for(row = 2*no_of_states; row < sizeBA; row++)
+    	{
+    		Left[col*sizeBA+row] = Ri[col*no_of_states + row];
+    	}
+    }
+
+    /*Freeup umwanted variables*/
+    free(R);
+    free(BRi);
+    free(S_t);
+    free(StRi);
+    free(B);
+
+    LA = (double*) malloc(sizeBA*sizeBA*sizeof(double));
+    dmula(Left,sizeBA,sizeBA,BigA,sizeBA,sizeBA,LA);
\ No newline at end of file
-- 
cgit