Red Hat Bugzilla – Bug 164384
incorrect description og log2 function
Last modified: 2007-11-30 17:11:10 EST
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Description of problem:
The man page of log2 says:
"The log2() function returns the natural logarithm of x."
This is obviously wrong: the log2 function returns the 2-logarithm of x, not the e-logarithm.
Also, I wonder (but don't know) whether the CONFORMING TO section is correct. log2 seems to only be available when compiling in C99 mode, so I wonder if it was already available in the other Unix versions mentioned. (log2 is vertainly not available when compiling without -std=XXX option, even when math.h is included.)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. man log2
Actual Results: "The log2() function returns the natural logarithm of x."
Expected Results: "The log2() function returns the base-2 logarithm of x."
The bit about the CONFORMING TO section also holds for exp2.
This bug is fixed in the last version of man-pages (man-pages-2.05-1).