From 401eb04e4dfb179291befb19d74e2e3148c4e268 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 8 Nov 2013 11:09:17 +0100 Subject: libxtrans libxcb xcb-proto mesa git update 8 nov 2013 libxcb commit e8663a935890ff366f49e356211049dfd0d9756a libxcb/xcb-proto commit 29beba6bf02bda86a5b163ace63e1d0a4d3eee5b libxtrans commit 0153d1670e4a1883e1bb6dd971435d6268eac5ba mesa commit 035cce83f7b3d9a037c9e7cc17a212d6cf7e927f --- mesalib/src/gallium/auxiliary/util/u_math.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'mesalib/src/gallium/auxiliary/util/u_math.h') diff --git a/mesalib/src/gallium/auxiliary/util/u_math.h b/mesalib/src/gallium/auxiliary/util/u_math.h index f5c14ef8d..426d5daa7 100644 --- a/mesalib/src/gallium/auxiliary/util/u_math.h +++ b/mesalib/src/gallium/auxiliary/util/u_math.h @@ -245,6 +245,19 @@ union di { }; +/** + * Extract the IEEE float32 exponent. + */ +static INLINE signed +util_get_float32_exponent(float x) { + union fi f; + + f.f = x; + + return ((f.ui >> 23) & 0xff) - 127; +} + + /** * Fast version of 2^x * Identity: exp2(a + b) = exp2(a) * exp2(b) -- cgit v1.2.3