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- //$$ newmat2.cxx Matrix row and column operations
-
- // Copyright (C) 1991: R B Davies and DSIR
-
- #define WANT_MATH
-
- #include "include.hxx"
-
- #include "newmat.hxx"
- #include "newmatrc.hxx"
-
- //#define REPORT { static ExeCounter ExeCount(__LINE__,2); ExeCount++; }
-
- #define REPORT {}
-
- //#define MONITOR(what,storage,store) \
- // { cout << what << " " << storage << " at " << (long)store << "\n"; }
-
- #define MONITOR(what,store,storage) {}
-
- /************************** Matrix Row/Col functions ************************/
-
- void MatrixRowCol::Add(const MatrixRowCol& mrc)
- {
- REPORT
- int f = mrc.skip; int l = f + mrc.storage; int lx = skip + storage;
- if (f < skip) f = skip; if (l > lx) l = lx; l -= f;
- if (l<=0) return;
- real* elx=store+f; real* el=mrc.store+f;
- while (l--) *elx++ += *el++;
- }
-
- void MatrixRowCol::AddScaled(const MatrixRowCol& mrc, real x)
- {
- REPORT
- int f = mrc.skip; int l = f + mrc.storage; int lx = skip + storage;
- if (f < skip) f = skip; if (l > lx) l = lx; l -= f;
- if (l<=0) return;
- real* elx=store+f; real* el=mrc.store+f;
- while (l--) *elx++ += *el++ * x;
- }
-
- void MatrixRowCol::Sub(const MatrixRowCol& mrc)
- {
- REPORT
- int f = mrc.skip; int l = f + mrc.storage; int lx = skip + storage;
- if (f < skip) f = skip; if (l > lx) l = lx; l -= f;
- if (l<=0) return;
- real* elx=store+f; real* el=mrc.store+f;
- while (l--) *elx++ -= *el++;
- }
-
- void MatrixRowCol::Inject(const MatrixRowCol& mrc)
- // copy stored elements only
- {
- REPORT
- int f = mrc.skip; int l = f + mrc.storage; int lx = skip + storage;
- if (f < skip) f = skip; if (l > lx) l = lx; l -= f;
- if (l<=0) return;
- real* elx = store+f; real* ely = mrc.store+f;
- while (l--) *elx++ = *ely++;
- }
-
- real DotProd(const MatrixRowCol& mrc1, const MatrixRowCol& mrc2)
- {
- REPORT // not accessed
- int f = mrc1.skip; int f2 = mrc2.skip;
- int l = f + mrc1.storage; int l2 = f2 + mrc2.storage;
- if (f < f2) f = f2; if (l > l2) l = l2; l -= f;
- if (l<=0) return 0.0;
-
- real* el1=mrc1.store+f; real* el2=mrc2.store+f;
- real sum = 0.0;
- while (l--) sum += *el1++ * *el2++;
- return sum;
- }
-
- void MatrixRowCol::Add(const MatrixRowCol& mrc1, const MatrixRowCol& mrc2)
- {
- int f = skip; int l = skip + storage;
- int f1 = mrc1.skip; int l1 = f1 + mrc1.storage;
- if (f1<f) f1=f; if (l1>l) l1=l;
- int f2 = mrc2.skip; int l2 = f2 + mrc2.storage;
- if (f2<f) f2=f; if (l2>l) l2=l;
- real* el = store + f;
- real* el1 = mrc1.store+f1; real* el2 = mrc2.store+f2;
- if (f1<f2)
- {
- register int i = f1-f; while (i--) *el++ = 0.0;
- if (l1<=f2) // disjoint
- {
- REPORT // not accessed
- i = l1-f1; while (i--) *el++ = *el1++;
- i = f2-l1; while (i--) *el++ = 0.0;
- i = l2-f2; while (i--) *el++ = *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- else
- {
- i = f2-f1; while (i--) *el++ = *el1++;
- if (l1<=l2)
- {
- REPORT
- i = l1-f2; while (i--) *el++ = *el1++ + *el2++;
- i = l2-l1; while (i--) *el++ = *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- else
- {
- REPORT
- i = l2-f2; while (i--) *el++ = *el1++ + *el2++;
- i = l1-l2; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- }
- }
- else
- {
- register int i = f2-f; while (i--) *el++ = 0.0;
- if (l2<=f1) // disjoint
- {
- REPORT // not accessed
- i = l2-f2; while (i--) *el++ = *el2++;
- i = f1-l2; while (i--) *el++ = 0.0;
- i = l1-f1; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- else
- {
- i = f1-f2; while (i--) *el++ = *el2++;
- if (l2<=l1)
- {
- REPORT
- i = l2-f1; while (i--) *el++ = *el1++ + *el2++;
- i = l1-l2; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- else
- {
- REPORT
- i = l1-f1; while (i--) *el++ = *el1++ + *el2++;
- i = l2-l1; while (i--) *el++ = *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- }
- }
- }
-
- void MatrixRowCol::Sub(const MatrixRowCol& mrc1, const MatrixRowCol& mrc2)
- {
- int f = skip; int l = skip + storage;
- int f1 = mrc1.skip; int l1 = f1 + mrc1.storage;
- if (f1<f) f1=f; if (l1>l) l1=l;
- int f2 = mrc2.skip; int l2 = f2 + mrc2.storage;
- if (f2<f) f2=f; if (l2>l) l2=l;
- real* el = store + f;
- real* el1 = mrc1.store+f1; real* el2 = mrc2.store+f2;
- if (f1<f2)
- {
- register int i = f1-f; while (i--) *el++ = 0.0;
- if (l1<=f2) // disjoint
- {
- REPORT // not accessed
- i = l1-f1; while (i--) *el++ = *el1++;
- i = f2-l1; while (i--) *el++ = 0.0;
- i = l2-f2; while (i--) *el++ = - *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- else
- {
- i = f2-f1; while (i--) *el++ = *el1++;
- if (l1<=l2)
- {
- REPORT
- i = l1-f2; while (i--) *el++ = *el1++ - *el2++;
- i = l2-l1; while (i--) *el++ = - *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- else
- {
- REPORT
- i = l2-f2; while (i--) *el++ = *el1++ - *el2++;
- i = l1-l2; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- }
- }
- else
- {
- register int i = f2-f; while (i--) *el++ = 0.0;
- if (l2<=f1) // disjoint
- {
- REPORT // not accessed
- i = l2-f2; while (i--) *el++ = - *el2++;
- i = f1-l2; while (i--) *el++ = 0.0;
- i = l1-f1; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- else
- {
- i = f1-f2; while (i--) *el++ = - *el2++;
- if (l2<=l1)
- {
- REPORT
- i = l2-f1; while (i--) *el++ = *el1++ - *el2++;
- i = l1-l2; while (i--) *el++ = *el1++;
- i = l-l1; while (i--) *el++ = 0.0;
- }
- else
- {
- REPORT
- i = l1-f1; while (i--) *el++ = *el1++ - *el2++;
- i = l2-l1; while (i--) *el++ = - *el2++;
- i = l-l2; while (i--) *el++ = 0.0;
- }
- }
- }
- }
-
-
- void MatrixRowCol::Add(const MatrixRowCol& mrc1, real x)
- {
- REPORT
- int f = mrc1.skip; int l = f + mrc1.storage; int lx = skip + storage;
- if (f < skip) { f = skip; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = store+skip; real* ely = mrc1.store+f;
-
- int l1 = f-skip; while (l1--) *elx++ = x;
- l1 = l-f; while (l1--) *elx++ = *ely++ + x;
- lx -= l; while (lx--) *elx++ = x;
- }
-
- void MatrixRowCol::RevSub(const MatrixRowCol& mrc1)
- {
- REPORT
- int f = mrc1.skip; int l = f + mrc1.storage; int lx = skip + storage;
- if (f < skip) { f = skip; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = store+skip; real* ely = mrc1.store+f;
-
- int l1 = f-skip; while (l1--) { *elx = - *elx; elx++; }
- l1 = l-f; while (l1--) { *elx = *ely++ - *elx; elx++; }
- lx -= l; while (lx--) { *elx = - *elx; elx++; }
- }
-
- void MatrixRowCol::Copy(const MatrixRowCol& mrc1)
- {
- REPORT
- int f = mrc1.skip; int l = f + mrc1.storage; int lx = skip + storage;
- if (f < skip) { f = skip; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = store+skip; real* ely = mrc1.store+f;
-
- int l1 = f-skip; while (l1--) *elx++ = 0.0;
- l1 = l-f; while (l1--) *elx++ = *ely++;
- lx -= l; while (lx--) *elx++ = 0.0;
- }
-
- void MatrixRowCol::Negate(const MatrixRowCol& mrc1)
- {
- REPORT
- int f = mrc1.skip; int l = f + mrc1.storage; int lx = skip + storage;
- if (f < skip) { f = skip; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = store+skip; real* ely = mrc1.store+f;
-
- int l1 = f-skip; while (l1--) *elx++ = 0.0;
- l1 = l-f; while (l1--) *elx++ = - *ely++;
- lx -= l; while (lx--) *elx++ = 0.0;
- }
-
- void MatrixRowCol::Multiply(const MatrixRowCol& mrc1, real s)
- {
- REPORT
- int f = mrc1.skip; int l = f + mrc1.storage; int lx = skip + storage;
- if (f < skip) { f = skip; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = store+skip; real* ely = mrc1.store+f;
-
- int l1 = f-skip; while (l1--) *elx++ = 0.0;
- l1 = l-f; while (l1--) *elx++ = *ely++ * s;
- lx -= l; while (lx--) *elx++ = 0.0;
- }
-
- void DiagonalMatrix::Solver(MatrixRowCol& mrc, const MatrixRowCol& mrc1)
- {
- REPORT
- int f = mrc1.skip; int f0 = mrc.skip;
- int l = f + mrc1.storage; int lx = f0 + mrc.storage;
- if (f < f0) { f = f0; if (l < f) l = f; }
- if (l > lx) { l = lx; if (f > lx) f = lx; }
-
- real* elx = mrc.store+f0; real* eld = store+f;
-
- int l1 = f-f0; while (l1--) *elx++ = 0.0;
- l1 = l-f; while (l1--) *elx++ /= *eld++;
- lx -= l; while (lx--) *elx++ = 0.0;
- // Solver makes sure input and output point to same memory
- }
-
- void MatrixRowCol::Copy(const real*& r)
- {
- REPORT
- real* elx = store+skip; const real* ely = r+skip; r += length;
- int l = storage; while (l--) *elx++ = *ely++;
- }
-
- void MatrixRowCol::Copy(real r)
- {
- REPORT
- real* elx = store+skip; int l = storage; while (l--) *elx++ = r;
- }
-
- real MatrixRowCol::SumAbsoluteValue()
- {
- REPORT
- real sum = 0.0; real* elx = store+skip; int l = storage;
- while (l--) sum += fabs(*elx++);
- return sum;
- }
-
- void MatrixRowCol::SubRowCol(MatrixRowCol& mrc, int skip1, int l1) const
- {
- mrc.length = l1; mrc.store = store + skip1; int d = skip - skip1;
- mrc.skip = (d < 0) ? 0 : d; d = skip + storage - skip1;
- d = ((l1 < d) ? l1 : d) - mrc.skip; mrc.storage = (d < 0) ? 0 : d;
- mrc.cw = 0;
- }
-
- MatrixRowCol::~MatrixRowCol()
- {
- if (cw*IsACopy && (cw*StoreHere==0))
- {
- MONITOR("Free (RowCol)",storage,f)
- real* f = store+skip; delete [storage] f;
- }
- }
-
- MatrixRow::~MatrixRow() { if (cw*StoreOnExit) gm->RestoreRow(*this); }
-
- MatrixCol::~MatrixCol() { if (cw*StoreOnExit) gm->RestoreCol(*this); }
-
-