From 2f8d7092bc2c9609fa98d6888106b96f38b22828 Mon Sep 17 00:00:00 2001
From: dan miller
Date: Sun, 21 Oct 2007 08:36:32 +0000
Subject: libraries moved to opensim-libs, a new repository

---
 libraries/ode-0.9/ode/src/fastltsolve.c | 199 --------------------------------
 1 file changed, 199 deletions(-)
 delete mode 100644 libraries/ode-0.9/ode/src/fastltsolve.c

(limited to 'libraries/ode-0.9/ode/src/fastltsolve.c')

diff --git a/libraries/ode-0.9/ode/src/fastltsolve.c b/libraries/ode-0.9/ode/src/fastltsolve.c
deleted file mode 100644
index eb950f6..0000000
--- a/libraries/ode-0.9/ode/src/fastltsolve.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/* generated code, do not edit. */
-
-#include "ode/matrix.h"
-
-/* solve L^T * x=b, with b containing 1 right hand side.
- * L is an n*n lower triangular matrix with ones on the diagonal.
- * L is stored by rows and its leading dimension is lskip.
- * b is an n*1 matrix that contains the right hand side.
- * b is overwritten with x.
- * this processes blocks of 4.
- */
-
-void dSolveL1T (const dReal *L, dReal *B, int n, int lskip1)
-{  
-  /* declare variables - Z matrix, p and q vectors, etc */
-  dReal Z11,m11,Z21,m21,Z31,m31,Z41,m41,p1,q1,p2,p3,p4,*ex;
-  const dReal *ell;
-  int lskip2,lskip3,i,j;
-  /* special handling for L and B because we're solving L1 *transpose* */
-  L = L + (n-1)*(lskip1+1);
-  B = B + n-1;
-  lskip1 = -lskip1;
-  /* compute lskip values */
-  lskip2 = 2*lskip1;
-  lskip3 = 3*lskip1;
-  /* compute all 4 x 1 blocks of X */
-  for (i=0; i <= n-4; i+=4) {
-    /* compute all 4 x 1 block of X, from rows i..i+4-1 */
-    /* set the Z matrix to 0 */
-    Z11=0;
-    Z21=0;
-    Z31=0;
-    Z41=0;
-    ell = L - i;
-    ex = B;
-    /* the inner loop that computes outer products and adds them to Z */
-    for (j=i-4; j >= 0; j -= 4) {
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[0];
-      p2=ell[-1];
-      p3=ell[-2];
-      p4=ell[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      m21 = p2 * q1;
-      m31 = p3 * q1;
-      m41 = p4 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      Z21 += m21;
-      Z31 += m31;
-      Z41 += m41;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-1];
-      p2=ell[-1];
-      p3=ell[-2];
-      p4=ell[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      m21 = p2 * q1;
-      m31 = p3 * q1;
-      m41 = p4 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      Z21 += m21;
-      Z31 += m31;
-      Z41 += m41;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-2];
-      p2=ell[-1];
-      p3=ell[-2];
-      p4=ell[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      m21 = p2 * q1;
-      m31 = p3 * q1;
-      m41 = p4 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      Z21 += m21;
-      Z31 += m31;
-      Z41 += m41;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-3];
-      p2=ell[-1];
-      p3=ell[-2];
-      p4=ell[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      m21 = p2 * q1;
-      m31 = p3 * q1;
-      m41 = p4 * q1;
-      ell += lskip1;
-      ex -= 4;
-      Z11 += m11;
-      Z21 += m21;
-      Z31 += m31;
-      Z41 += m41;
-      /* end of inner loop */
-    }
-    /* compute left-over iterations */
-    j += 4;
-    for (; j > 0; j--) {
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[0];
-      p2=ell[-1];
-      p3=ell[-2];
-      p4=ell[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      m21 = p2 * q1;
-      m31 = p3 * q1;
-      m41 = p4 * q1;
-      ell += lskip1;
-      ex -= 1;
-      Z11 += m11;
-      Z21 += m21;
-      Z31 += m31;
-      Z41 += m41;
-    }
-    /* finish computing the X(i) block */
-    Z11 = ex[0] - Z11;
-    ex[0] = Z11;
-    p1 = ell[-1];
-    Z21 = ex[-1] - Z21 - p1*Z11;
-    ex[-1] = Z21;
-    p1 = ell[-2];
-    p2 = ell[-2+lskip1];
-    Z31 = ex[-2] - Z31 - p1*Z11 - p2*Z21;
-    ex[-2] = Z31;
-    p1 = ell[-3];
-    p2 = ell[-3+lskip1];
-    p3 = ell[-3+lskip2];
-    Z41 = ex[-3] - Z41 - p1*Z11 - p2*Z21 - p3*Z31;
-    ex[-3] = Z41;
-    /* end of outer loop */
-  }
-  /* compute rows at end that are not a multiple of block size */
-  for (; i < n; i++) {
-    /* compute all 1 x 1 block of X, from rows i..i+1-1 */
-    /* set the Z matrix to 0 */
-    Z11=0;
-    ell = L - i;
-    ex = B;
-    /* the inner loop that computes outer products and adds them to Z */
-    for (j=i-4; j >= 0; j -= 4) {
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[0];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-1];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-2];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      ell += lskip1;
-      Z11 += m11;
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[-3];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      ell += lskip1;
-      ex -= 4;
-      Z11 += m11;
-      /* end of inner loop */
-    }
-    /* compute left-over iterations */
-    j += 4;
-    for (; j > 0; j--) {
-      /* load p and q values */
-      p1=ell[0];
-      q1=ex[0];
-      /* compute outer product and add it to the Z matrix */
-      m11 = p1 * q1;
-      ell += lskip1;
-      ex -= 1;
-      Z11 += m11;
-    }
-    /* finish computing the X(i) block */
-    Z11 = ex[0] - Z11;
-    ex[0] = Z11;
-  }
-}
-- 
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