From: Roland Scheidegger <sroland@vmware.com>
Date: Wed, 29 Jul 2015 20:20:04 +0000 (+0200)
Subject: c99_math: (trivial) implement exp2 for MSVC too
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2b916c6e47862d82b5545e962ebb83b811904c3b;p=mesa.git

c99_math: (trivial) implement exp2 for MSVC too

Unsurprisingly doesn't build otherwise with old msvc.
---

diff --git a/include/c99_math.h b/include/c99_math.h
index 0ca5a73b58a..8a67fb133d6 100644
--- a/include/c99_math.h
+++ b/include/c99_math.h
@@ -146,6 +146,12 @@ exp2f(float f)
    return powf(2.0f, f);
 }
 
+static inline double
+exp2(double d)
+{
+   return pow(2.0, d);
+}
+
 #endif /* C99 */