Mesa (gallium-mesa-7.4): mesa: for OPCODE_LIT, use _mesa_pow() instead of exp() and log()

[Alan Hourihane]

Module: Mesa
Branch: gallium-mesa-7.4
Commit: d5e0e03d43c2edeeca400979eb8ed06da844a1f5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d5e0e03d43c2edeeca400979eb8ed06da844a1f5

Author: Brian Paul <brianp at vmware.com>
Date:   Tue Apr  7 08:32:42 2009 -0600

mesa: for OPCODE_LIT, use _mesa_pow() instead of exp() and log()

Also, s/pow/_mesa_pow/

(cherry picked from master, commit b8a200ac9d11c09646de9b7d3f3f64a742c6abe3)

---

 src/mesa/shader/prog_execute.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 6a79cf4..9c25a9e 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -873,7 +873,7 @@ _mesa_execute_program(GLcontext * ctx,
                 * result.z = result.x * APPX(result.y)
                 * We do what the ARB extension says.
                 */
-               q[2] = (GLfloat) pow(2.0, t[0]);
+               q[2] = (GLfloat) _mesa_pow(2.0, t[0]);
             }
             q[1] = t[0] - floor_t0;
             q[3] = 1.0F;
@@ -986,7 +986,7 @@ _mesa_execute_program(GLcontext * ctx,
                if (a[1] == 0.0 && a[3] == 0.0)
                   result[2] = 1.0;
                else
-                  result[2] = EXPF(a[3] * LOGF(a[1]));
+                  result[2] = (GLfloat) _mesa_pow(a[1], a[3]);
             }
             else {
                result[2] = 0.0;