src/geometry/linearTransformation.h

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• Last update: 2025-07-19 20:33:24+09:00

Depends on

• src/geometry/Point.h

Code

/**
 * Author: Per Austrin, Ulf Lundstrom
 * Date: 2009-04-09
 * License: CC0
 * Source:
 * Description:\\
\begin{minipage}{75mm}
 Apply the linear transformation (translation, rotation and scaling) which takes line p0-p1 to line q0-q1 to point r.
\end{minipage}
\begin{minipage}{15mm}
\vspace{-8mm}
\includegraphics[width=\textwidth]{src/geometry/linearTransformation}
\vspace{-2mm}
\end{minipage}
 * Status: not tested
 */
#pragma once

#include "src/geometry/Point.h"

typedef Point<double> P;
P linearTransformation(const P& p0, const P& p1,
		const P& q0, const P& q1, const P& r) {
	P dp = p1-p0, dq = q1-q0, num(dp.cross(dq), dp.dot(dq));
	return q0 + P((r-p0).cross(num), (r-p0).dot(num))/dp.dist2();
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
    ~~~~~~~~~~~~~~^^^^^^
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 312, in update
    raise BundleErrorAt(path, i + 1, "#pragma once found in a non-first line")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: src/geometry/linearTransformation.h: line 17: #pragma once found in a non-first line

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