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GLMULTTRANSPOSEMATRI(3G)	 OpenGL Manual	      GLMULTTRANSPOSEMATRI(3G)

NAME
       glMultTransposeMatrix - multiply the current matrix with the specified
       row-major ordered matrix

C SPECIFICATION
       void glMultTransposeMatrixd(const GLdouble * m);

       void glMultTransposeMatrixf(const GLfloat * m);

PARAMETERS
       m
	   Points to 16 consecutive values that are used as the elements of a
	   4 × 4 row-major matrix.

DESCRIPTION
       glMultTransposeMatrix multiplies the current matrix with the one
       specified using m, and replaces the current matrix with the product.

       The current matrix is determined by the current matrix mode (see
       glMatrixMode()). It is either the projection matrix, modelview matrix,
       or the texture matrix.

EXAMPLES
       If the current matrix is C and the coordinates to be transformed are v
       = v ⁡ 0 v ⁡ 1 v ⁡ 2 v ⁡ 3, then the current transformation is C × v, or

       c ⁡ 0 c ⁡ 4 c ⁡ 8 c ⁡ 12 c ⁡ 1 c ⁡ 5 c ⁡ 9 c ⁡ 13 c ⁡ 2 c ⁡ 6 c ⁡ 10 c
       ⁡ 14 c ⁡ 3 c ⁡ 7 c ⁡ 11 c ⁡ 15 × v ⁡ 0 v ⁡ 1 v ⁡ 2 v ⁡ 3

       Calling glMultTransposeMatrix with an argument of m ⁡ 16 = m ⁡ 0 m ⁡ 1
       ... m ⁡ 15 replaces the current transformation with C × M × v, or

       c ⁡ 0 c ⁡ 4 c ⁡ 8 c ⁡ 12 c ⁡ 1 c ⁡ 5 c ⁡ 9 c ⁡ 13 c ⁡ 2 c ⁡ 6 c ⁡ 10 c
       ⁡ 14 c ⁡ 3 c ⁡ 7 c ⁡ 11 c ⁡ 15 × m ⁡ 0 m ⁡ 1 m ⁡ 2 m ⁡ 3 m ⁡ 4 m ⁡ 5 m
       ⁡ 6 m ⁡ 7 m ⁡ 8 m ⁡ 9 m ⁡ 10 m ⁡ 11 m ⁡ 12 m ⁡ 13 m ⁡ 14 m ⁡ 15 × v ⁡ 0
       v ⁡ 1 v ⁡ 2 v ⁡ 3

       Where v is represented as a 4 × 1 matrix.

       Calling glMultTransposeMatrix with matrix M is identical in operation
       to glMultMatrix() with M T, where T represents the transpose.

NOTES
       glMultTransposeMatrix is available only if the GL version is 1.3 or
       greater.

       While the elements of the matrix may be specified with single or double
       precision, the GL may store or operate on these values in
       less-than-single precision.

       The order of the multiplication is important. For example, if the
       current transformation is a rotation, and glMultTransposeMatrix is
       called with a translation matrix, the translation is done directly on
       the coordinates to be transformed, while the rotation is done on the
       results of that translation.

ERRORS
       GL_INVALID_OPERATION is generated if glMultTransposeMatrix is executed
       between the execution of glBegin() and the corresponding execution of
       glEnd().

ASSOCIATED GETS
       glGet() with argument GL_MATRIX_MODE

       glGet() with argument GL_COLOR_MATRIX

       glGet() with argument GL_MODELVIEW_MATRIX

       glGet() with argument GL_PROJECTION_MATRIX

       glGet() with argument GL_TEXTURE_MATRIX

SEE ALSO
       glLoadIdentity(), glLoadMatrix(), glLoadTransposeMatrix(),
       glMatrixMode(), glPushMatrix()

COPYRIGHT
       Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
       under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org			  03/16/2013	      GLMULTTRANSPOSEMATRI(3G)

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