From: Karl Schultz <kschultz@freedesktop.org>
Date: Fri, 1 Jul 2005 15:58:02 +0000 (+0000)
Subject: Use frexp on Windows; frexpf is not available.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7fe8696d017faaebce8d4238b447adabd00a9f4b;p=mesa.git

Use frexp on Windows; frexpf is not available.
---

diff --git a/src/mesa/tnl/t_vb_arbprogram.c b/src/mesa/tnl/t_vb_arbprogram.c
index 96311ff17ba..508233cf316 100644
--- a/src/mesa/tnl/t_vb_arbprogram.c
+++ b/src/mesa/tnl/t_vb_arbprogram.c
@@ -345,7 +345,11 @@ static void do_LOG( struct arb_vp_machine *m, union instruction op )
    const GLfloat *arg0 = m->File[op.alu.file0][op.alu.idx0];
    GLfloat tmp = FABSF(arg0[0]);
    int exponent;
+#ifdef _WIN32
+   GLfloat mantissa = (GLfloat) frexp((double)tmp, &exponent);
+#else
    GLfloat mantissa = frexpf(tmp, &exponent);
+#endif
 
    result[0] = (GLfloat) (exponent - 1);
    result[1] = 2.0 * mantissa; /* map [.5, 1) -> [1, 2) */