From 8cea0090b2fcb193b32d9c33a5ee0155f23dfa64 Mon Sep 17 00:00:00 2001
From: Filip Wasil <filip.wasil@gmail.com>
Date: Thu, 29 Oct 2015 16:09:21 +0100
Subject: [PATCH] Removie implicit cast to float

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>
---
 stb_image_write.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stb_image_write.h b/stb_image_write.h
index 38d3835..6c241ea 100644
--- a/stb_image_write.h
+++ b/stb_image_write.h
@@ -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;