.

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I present here the intermediate functions used into the functions :

zero_under_pivot_mZ();
det_Z();

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The elementary rows operation : mul_Z_Z(); add_Z_Z(); swap_Z_Z();

Copy a matrix : c_mZ();

Duplicate a matrix : i_duplicate_mZ();

The elementary columns operation : mul_c_Z(); add_c_Z(); swap_c_Z();

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c3aa_04a.c c3aa_04a.txt : zero_under_pivot_mZ();

c3aa_04b.c c3aa_04b.txt : mul_Z_Z();
c3aa_04c.c c3aa_04c.txt : add_Z_Z();
c3aa_04d.c c3aa_04d.txt : swap_Z_Z();

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c3aa_05a.c c3aa_05a.txt : det_Z();

c3aa_05b.c c3aa_05b.txt : c_mZ();
c3aa_05c.c c3aa_05c.txt : i_duplicate_mZ();

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c3aa_06a.c c3aa_06a.txt : swap_c_Z();
c3aa_06b.c c3aa_06b.txt : mul_c_Z();
c3aa_06c.c c3aa_06c.txt : add_c_Z();


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The members can try these links :

http://groups.yahoo.com/group/mathc/files/C/L/N/A/new3aaz2.zip
http://groups.yahoo.com/group/mathc/files/C/L/N/new_1.zip