From 6f67371bb1b46579ae837d0e0c61ac1b291be743 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 13 Jan 2018 07:51:33 +0500
Subject: Directory renamed

---
 external/include/glm/gtc/matrix_inverse.inl | 120 ++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 external/include/glm/gtc/matrix_inverse.inl

(limited to 'external/include/glm/gtc/matrix_inverse.inl')

diff --git a/external/include/glm/gtc/matrix_inverse.inl b/external/include/glm/gtc/matrix_inverse.inl
new file mode 100644
index 0000000..36c9bf7
--- /dev/null
+++ b/external/include/glm/gtc/matrix_inverse.inl
@@ -0,0 +1,120 @@
+/// @ref gtc_matrix_inverse
+/// @file glm/gtc/matrix_inverse.inl
+
+namespace glm
+{
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P> affineInverse(tmat3x3<T, P> const & m)
+	{
+		tmat2x2<T, P> const Inv(inverse(tmat2x2<T, P>(m)));
+
+		return tmat3x3<T, P>(
+			tvec3<T, P>(Inv[0], static_cast<T>(0)),
+			tvec3<T, P>(Inv[1], static_cast<T>(0)),
+			tvec3<T, P>(-Inv * tvec2<T, P>(m[2]), static_cast<T>(1)));
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P> affineInverse(tmat4x4<T, P> const & m)
+	{
+		tmat3x3<T, P> const Inv(inverse(tmat3x3<T, P>(m)));
+
+		return tmat4x4<T, P>(
+			tvec4<T, P>(Inv[0], static_cast<T>(0)),
+			tvec4<T, P>(Inv[1], static_cast<T>(0)),
+			tvec4<T, P>(Inv[2], static_cast<T>(0)),
+			tvec4<T, P>(-Inv * tvec3<T, P>(m[3]), static_cast<T>(1)));
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P> inverseTranspose(tmat2x2<T, P> const & m)
+	{
+		T Determinant = m[0][0] * m[1][1] - m[1][0] * m[0][1];
+
+		tmat2x2<T, P> Inverse(
+			+ m[1][1] / Determinant,
+			- m[0][1] / Determinant,
+			- m[1][0] / Determinant,
+			+ m[0][0] / Determinant);
+
+		return Inverse;
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P> inverseTranspose(tmat3x3<T, P> const & m)
+	{
+		T Determinant =
+			+ m[0][0] * (m[1][1] * m[2][2] - m[1][2] * m[2][1])
+			- m[0][1] * (m[1][0] * m[2][2] - m[1][2] * m[2][0])
+			+ m[0][2] * (m[1][0] * m[2][1] - m[1][1] * m[2][0]);
+
+		tmat3x3<T, P> Inverse(uninitialize);
+		Inverse[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]);
+		Inverse[0][1] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]);
+		Inverse[0][2] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]);
+		Inverse[1][0] = - (m[0][1] * m[2][2] - m[2][1] * m[0][2]);
+		Inverse[1][1] = + (m[0][0] * m[2][2] - m[2][0] * m[0][2]);
+		Inverse[1][2] = - (m[0][0] * m[2][1] - m[2][0] * m[0][1]);
+		Inverse[2][0] = + (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
+		Inverse[2][1] = - (m[0][0] * m[1][2] - m[1][0] * m[0][2]);
+		Inverse[2][2] = + (m[0][0] * m[1][1] - m[1][0] * m[0][1]);
+		Inverse /= Determinant;
+
+		return Inverse;
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P> inverseTranspose(tmat4x4<T, P> const & m)
+	{
+		T SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
+		T SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
+		T SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
+		T SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
+		T SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
+		T SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
+		T SubFactor06 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
+		T SubFactor07 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
+		T SubFactor08 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
+		T SubFactor09 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
+		T SubFactor10 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
+		T SubFactor11 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
+		T SubFactor12 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
+		T SubFactor13 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
+		T SubFactor14 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
+		T SubFactor15 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
+		T SubFactor16 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
+		T SubFactor17 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
+		T SubFactor18 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
+
+		tmat4x4<T, P> Inverse(uninitialize);
+		Inverse[0][0] = + (m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02);
+		Inverse[0][1] = - (m[1][0] * SubFactor00 - m[1][2] * SubFactor03 + m[1][3] * SubFactor04);
+		Inverse[0][2] = + (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05);
+		Inverse[0][3] = - (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05);
+
+		Inverse[1][0] = - (m[0][1] * SubFactor00 - m[0][2] * SubFactor01 + m[0][3] * SubFactor02);
+		Inverse[1][1] = + (m[0][0] * SubFactor00 - m[0][2] * SubFactor03 + m[0][3] * SubFactor04);
+		Inverse[1][2] = - (m[0][0] * SubFactor01 - m[0][1] * SubFactor03 + m[0][3] * SubFactor05);
+		Inverse[1][3] = + (m[0][0] * SubFactor02 - m[0][1] * SubFactor04 + m[0][2] * SubFactor05);
+
+		Inverse[2][0] = + (m[0][1] * SubFactor06 - m[0][2] * SubFactor07 + m[0][3] * SubFactor08);
+		Inverse[2][1] = - (m[0][0] * SubFactor06 - m[0][2] * SubFactor09 + m[0][3] * SubFactor10);
+		Inverse[2][2] = + (m[0][0] * SubFactor11 - m[0][1] * SubFactor09 + m[0][3] * SubFactor12);
+		Inverse[2][3] = - (m[0][0] * SubFactor08 - m[0][1] * SubFactor10 + m[0][2] * SubFactor12);
+
+		Inverse[3][0] = - (m[0][1] * SubFactor13 - m[0][2] * SubFactor14 + m[0][3] * SubFactor15);
+		Inverse[3][1] = + (m[0][0] * SubFactor13 - m[0][2] * SubFactor16 + m[0][3] * SubFactor17);
+		Inverse[3][2] = - (m[0][0] * SubFactor14 - m[0][1] * SubFactor16 + m[0][3] * SubFactor18);
+		Inverse[3][3] = + (m[0][0] * SubFactor15 - m[0][1] * SubFactor17 + m[0][2] * SubFactor18);
+
+		T Determinant =
+			+ m[0][0] * Inverse[0][0]
+			+ m[0][1] * Inverse[0][1]
+			+ m[0][2] * Inverse[0][2]
+			+ m[0][3] * Inverse[0][3];
+
+		Inverse /= Determinant;
+
+		return Inverse;
+	}
+}//namespace glm
-- 
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