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authorMatt Turner <mattst88@gmail.com>2015-07-13 15:19:33 -0700
committerMatt Turner <mattst88@gmail.com>2015-07-29 09:34:51 -0700
commitb73782bf184b7053026e8dda54800d48e64e20da (patch)
tree041003385c4a7c9b8bef49101ed51f3c226e31b2
parentf8a647883a14694f1b758c12187b3f35b9d039a7 (diff)
program: Use exp2(x) instead of pow(2.0, x).
-rw-r--r--src/mesa/program/prog_execute.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/program/prog_execute.c b/src/mesa/program/prog_execute.c
index 46260b5488..77274e2ccc 100644
--- a/src/mesa/program/prog_execute.c
+++ b/src/mesa/program/prog_execute.c
@@ -723,7 +723,7 @@ _mesa_execute_program(struct gl_context * 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] = exp2f(t[0]);
}
q[1] = t[0] - floor_t0;
q[3] = 1.0F;
@@ -734,7 +734,7 @@ _mesa_execute_program(struct gl_context * ctx,
{
GLfloat a[4], result[4], val;
fetch_vector1(&inst->SrcReg[0], machine, a);
- val = (GLfloat) pow(2.0, a[0]);
+ val = exp2f(a[0]);
/*
if (IS_INF_OR_NAN(val))
val = 1.0e10;