218 lines
5.9 KiB
Markdown
218 lines
5.9 KiB
Markdown
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---
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GENERATOR: 'Mozilla/4.05C-SGI [en] (X11; I; IRIX64 6.5 IP28) [Netscape]'
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---
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<img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow2.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/mstkla.md#UTILITIES:) <img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow3.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/GeomVertex.md) <img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow4.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/example.md)
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<img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/construction14.gif">"169" "131"
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------------------------------------------------------------------------
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------------------------------------------------------------------------
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**UTILITIES:**
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------------------------------------------------------------------------
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*void* **ReportError**(*char*
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*modulename, *char*
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*message, *ErrType*
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severity);
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Report an error message. The severity may be specified as
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**MESSG**: Print a message to the screen
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**WARNING**: Print message with additional attention grabbing text
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**ERROR**: Print message with additional attention grabbing text
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**FATAL**: Print attention grabbing message and exit.
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------------------------------------------------------------------------
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------------------------------------------------------------------------
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<img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/new1.gif">"31" "12" **VECTOR FUNCTIONS:**
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------------------------------------------------------------------------
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*void* **vdiff**(*double*
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*a, *double*
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*b, *double*
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*a\_minus\_b);
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------------------------------------------------------------------------
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*void* **vsum**(*double*
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*a, *double*
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*b, *double*
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*a\_plus\_b);
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------------------------------------------------------------------------
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*double* **vmag2**(*double*
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*v);
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------------------------------------------------------------------------
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*double* **vmag**(*double*
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*v);
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------------------------------------------------------------------------
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*void* **vcross**(*double*
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*a, *double*
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*b, *double*
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*a\_cross\_b);
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------------------------------------------------------------------------
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*double* **vdot**(*double*
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*a, *double*
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*b);
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------------------------------------------------------------------------
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*void* **vnorm**(*double*
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*a, *double*
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*unita);
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------------------------------------------------------------------------
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------------------------------------------------------------------------
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** <img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/new1.gif">"31" "12"REAL NUMBER
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COMPARISON FUNCTIONS:**
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------------------------------------------------------------------------
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*int* **REAL\_le**(*double* a, *double* b);
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------------------------------------------------------------------------
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*int* **REAL\_ge**(*double* a, *double* b);
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------------------------------------------------------------------------
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*int* **REAL\_eq**(*double* a, *double* b);
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------------------------------------------------------------------------
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------------------------------------------------------------------------
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------------------------------------------------------------------------
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<img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/new1.gif">"31" "12" **COMP GEOM
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FUNCTIONS:**
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------------------------------------------------------------------------
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*int* **pntInTriangle2**(*double*
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*pnt, *double* (
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*tri)[3], *double*
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tol, *int* flag, *int*
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*mtype, *int*
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*locID);
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Check if a point that is guaranteed to be in the plane of a triangle is
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inside the triangle itself.
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If **flag = 1**, check if point is strictly inside
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**flag = 0**, check if point is inside or on the boundary within a
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real tolerance 'tol'
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Return **value = 1 (inside), 0 (outside), -1 (on boundary)**
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If point is on the boundary, **mtype** indicates type of entity it is
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on
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**locID** indicates the local ID number of the vertex or edge it is on
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------------------------------------------------------------------------
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*int* **pntInTet**(*double*
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*pnt, *double* (
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*tet)[3], *double* tol,
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*int* flag, *int*
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*mtype, *int*
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*locID);
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Check if a point is inside a tet
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If **flag = 1**, check if point is strictly inside
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**flag = 0**, check if point is inside or on the booundary
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within a real tolerance 'tol'
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Return **value = 1 (inside), 0 (outside), -1 (on boundary)**
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If point is on the boundary, **mtype** indicates type of entity it is
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on
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**locID** indicates the local ID number of the vertex or edge it is on
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------------------------------------------------------------------------
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*void* **Tri\_CircumCen**(*double* (
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*xyz)[3], *double*
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*cen);
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------------------------------------------------------------------------
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*double* **Tri\_Area**(*double* (
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*xyz)[3]);
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------------------------------------------------------------------------
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*void* **Tri\_Normal**(*double* (
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*xyz)[3], *double*
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*normal);
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------------------------------------------------------------------------
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*double* **Tet\_Volume**(*double* (
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*xyz)[3]);
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------------------------------------------------------------------------
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*void* **Tet\_CircumCen**(*double* (
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*xyz)[3], *double*
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*cen);
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------------------------------------------------------------------------
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<img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow2.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/mstkla.md#UTILITIES:) <img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow3.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/GeomVertex.md) <img height="300" width="300" src="https://lanl.github.io/LaGriT/assets/images/arrow4.gif">"30"
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"30"](http://www.ees.lanl.gov/staff/rao/mstkla/example.md)
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