n-dimensional hyperplane (line for 2D, plane for 3D) fitting via singular value decomposition method
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#include <stdio.h> | |
#define SQ(x) (x)*(x) | |
#define M0(x,y) SQ(x)+SQ(y)<4?0:0xe0 | |
#define M1(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M0(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0)):0xc0 | |
#define M2(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M1(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0xa0 | |
#define M3(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M2(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x80 | |
#define M4(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M3(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x60 | |
#define M5(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M4(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x40 |
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import sys | |
def j(lineno): | |
frame = sys._getframe().f_back | |
called_from = frame | |
def hook(frame, event, arg): | |
if event == 'line' and frame == called_from: | |
try: | |
frame.f_lineno = lineno |
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template<class Vector3> | |
std::pair<Vector3, Vector3> best_plane_from_points(const std::vector<Vector3> & c) | |
{ | |
// copy coordinates to matrix in Eigen format | |
size_t num_atoms = c.size(); | |
Eigen::Matrix< Vector3::Scalar, Eigen::Dynamic, Eigen::Dynamic > coord(3, num_atoms); | |
for (size_t i = 0; i < num_atoms; ++i) coord.col(i) = c[i]; | |
// calculate centroid | |
Vector3 centroid(coord.row(0).mean(), coord.row(1).mean(), coord.row(2).mean()); |
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#ifndef SSVU_FASTFUNC | |
#define SSVU_FASTFUNC | |
#include <cstring> | |
#include <type_traits> | |
#include <cassert> | |
#include <cstddef> | |
#include <memory> | |
#include <new> | |
#include <utility> |
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;SMBDIS.ASM - A COMPREHENSIVE SUPER MARIO BROS. DISASSEMBLY | |
;by doppelganger ([email protected]) | |
;This file is provided for your own use as-is. It will require the character rom data | |
;and an iNES file header to get it to work. | |
;There are so many people I have to thank for this, that taking all the credit for | |
;myself would be an unforgivable act of arrogance. Without their help this would | |
;probably not be possible. So I thank all the peeps in the nesdev scene whose insight into | |
;the 6502 and the NES helped me learn how it works (you guys know who you are, there's no |