d7c19d6855
This function is documented to return a value in the range (0,1), which is what its predecessor anl_random_fract() did. However, the new version depends on pg_erand48() which returns a value in [0,1). The possibility of returning zero creates hazards of division by zero or trying to compute log(0) at some call sites, and it might well break third-party modules using anl_random_fract() too. So let's change it to never return zero. Spotted by Coverity. Michael Paquier, cosmetically adjusted by me |
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