.\" Automatically generated by Pandoc 1.17.2 .\" .TH "al_invert_transform(3alleg5) Allegro reference manual" "" "" "" "" .hy .SH NAME .PP al_invert_transform \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ void\ al_invert_transform(ALLEGRO_TRANSFORM\ *trans) \f[] .fi .SH DESCRIPTION .PP Inverts the passed transformation. If the transformation is nearly singular (close to not having an inverse) then the returned transformation may be invalid. Use al_check_inverse(3alleg5) to ascertain if the transformation has an inverse before inverting it if you are in doubt. .PP \f[I]Parameters:\f[] .IP \[bu] 2 trans \- Transformation to invert .SH SEE ALSO .PP al_check_inverse(3alleg5)