[Piglit] [PATCH 1/2] gl-1.0-readpixsanity: Remove log2 re-definition.

[jfonseca at vmware.com]

From: José Fonseca <jfonseca at vmware.com>

It's already defined in tests/util/piglit-util.h if necessary, furthermore
it's a macro on MSVC, so redefining it causes errors.

Trivial.
---
 tests/spec/gl-1.0/readpix.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tests/spec/gl-1.0/readpix.c b/tests/spec/gl-1.0/readpix.c
index ab72806..7ee0be9 100644
--- a/tests/spec/gl-1.0/readpix.c
+++ b/tests/spec/gl-1.0/readpix.c
@@ -75,13 +75,6 @@ random_float(void)
 	return (float) rand() / RAND_MAX;
 }
 
-/** Computes log base 2 (copied from Glean's misc.cpp) */
-double
-log2(double x) 
-{
-	return 1.4426950408889634 * log(x);
-}
-
 /**
  * (Copied from Glean's misc.cpp.)
  * Utility routine to compute error, expressed in bits
-- 
1.9.1