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[libpng] Fixed some trivial typos in the contrib/tools subdirectory.

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Glenn Randers-Pehrson
2011-11-29 07:44:48 -06:00
parent 405a398b3e
commit 6bdefdd977
2 changed files with 8 additions and 8 deletions
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14
contrib/tools/intgamma.sh
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@@ -9,15 +9,15 @@
# related or neighboring rights to this work. This work is published from:
# United States.
#
# Shell script to generate png.c 8 and 16 bit log tables (see the code in png.c
# for details).
# Shell script to generate png.c 8-bit and 16-bit log tables (see the code in
# png.c for details).
#
# This script uses the "bc" arbitrary precision calculator to calculate 32 bit
# This script uses the "bc" arbitrary precision calculator to calculate 32-bit
# fixed point values of logarithms appropriate to finding the log of an 8-bit
# (0..255) value and a similar table for the exponent calculation.
#
# "bc" must be on the path when the script is executed, the math library (-l)
# must be available
# "bc" must be on the path when the script is executed, and the math library
# (-lm) must be available
#
# function to print out a list of numbers as integers; the function truncates
# the integers which must be one-per-line
@@ -72,8 +72,8 @@ cat <<END
* each case only the low 16 bits are relevant - the fraction - since the
* integer bits (the top 4) simply determine a shift.
*
* The worst case is the 16-bit distinction between 65535 and 65534, this
* requires perhaps spurious accuracty in the decoding of the logarithm to
* The worst case is the 16-bit distinction between 65535 and 65534; this
* requires perhaps spurious accuracy in the decoding of the logarithm to
* distinguish log2(65535/65534.5) - 10^-5 or 17 bits. There is little chance
* of getting this accuracy in practice.
*