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Removie implicit cast to float

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When compiling with more restrictive compiler options
such casting from double to float will cause a warning.

Ex. GCC -Wdouble-promotion

Signed-off-by: Filip Wasil <filip.wasil@gmail.com>
This commit is contained in:
Filip Wasil 2015-10-29 16:09:21 +01:00
parent 385927fb4b
commit 8cea0090b2
1 changed files with 1 additions and 1 deletions
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stb_image_write.h
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@ -467,7 +467,7 @@ void stbiw__linear_to_rgbe(unsigned char *rgbe, float *linear)
int exponent;
float maxcomp = stbiw__max(linear[0], stbiw__max(linear[1], linear[2]));
if (maxcomp < 1e-32) {
if (maxcomp < 1e-32f) {
rgbe[0] = rgbe[1] = rgbe[2] = rgbe[3] = 0;
} else {
float normalize = (float) frexp(maxcomp, &exponent) * 256.0f/maxcomp;