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<TITLE>real Some simple functions for log operations.::log_add</TITLE>
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<H2>real <A HREF="#DOC.DOCU">Some simple functions for log operations.::log_add</A></H2><H2>(real log_a,<BR> real log_b)</H2><BLOCKQUOTE>log_add(log_a,log_b) = log(a+b) = log(exp(log_a)+exp(log_b)) but done in a smart way so that if log_a or log_b are large but not their difference the computation works correctly</BLOCKQUOTE>
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<BLOCKQUOTE>log_add(log_a,log_b) = log(a+b) = log(exp(log_a)+exp(log_b))
but done in a smart way so that if log_a or log_b are large
but not their difference the computation works correctly</BLOCKQUOTE>
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