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[libpng16] More "#endif" housecleaning, in *.h

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Glenn Randers-Pehrson
2014-11-07 07:41:16 -06:00
parent 40656e9855
commit 05e11008c0
7 changed files with 32 additions and 30 deletions
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8
png.c
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@@ -3725,9 +3725,9 @@ png_gamma_8bit_correct(unsigned int value, png_fixed_point gamma_val)
* convert this to a floating point value. This includes values that
* would overflow if 'value' were to be converted to 'int'.
*
* Apparently GCC, however, does an intermediate convertion to (int)
* Apparently GCC, however, does an intermediate conversion to (int)
* on some (ARM) but not all (x86) platforms, possibly because of
* hardware FP limitations. (E.g. if the hardware convertion always
* hardware FP limitations. (E.g. if the hardware conversion always
* assumes the integer register contains a signed value.) This results
* in ANSI-C undefined behavior for large values.
*
@@ -3735,7 +3735,7 @@ png_gamma_8bit_correct(unsigned int value, png_fixed_point gamma_val)
* conformant and therefore compile spurious extra code for the large
* values.
*
* We can be reasonably sure that an unsigned to float convertion
* We can be reasonably sure that an unsigned to float conversion
* won't be faster than an int to float one. Therefore this code
* assumes responsibility for the undefined behavior, which it knows
* can't happen because of the check above.
@@ -3770,7 +3770,7 @@ png_gamma_16bit_correct(unsigned int value, png_fixed_point gamma_val)
{
# ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
/* The same (unsigned int)->(double) constraints apply here as above,
* however in this case the (unsigned int) to (int) convertion can
* however in this case the (unsigned int) to (int) conversion can
* overflow on an ANSI-C90 compliant system so the cast needs to ensure
* that this is not possible.
*/