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

Also, s/pow/_mesa_pow/

diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 0bc8d5f..bdac1d4 100644 (file)
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -836,7 +836,7 @@ _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;
@@ -949,7 +949,7 @@ _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;