summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libavcodec/ppc/fdctdsp.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/libavcodec/ppc/fdctdsp.c b/libavcodec/ppc/fdctdsp.c
index 40f4c6c967..924d12c911 100644
--- a/libavcodec/ppc/fdctdsp.c
+++ b/libavcodec/ppc/fdctdsp.c
@@ -44,20 +44,19 @@
#define C5 0.55557024478912353515625000 /* cos(5 * PI / 16) */
#define C6 0.38268342614173889160156250 /* cos(6 * PI / 16) */
#define C7 0.19509032368659973144531250 /* cos(7 * PI / 16) */
-#define SQRT_2 1.41421353816986083984375000 /* sqrt(2) */
#define W0 -(2 * C2)
#define W1 (2 * C6)
-#define W2 (SQRT_2 * C6)
-#define W3 (SQRT_2 * C3)
-#define W4 (SQRT_2 * (-C1 + C3 + C5 - C7))
-#define W5 (SQRT_2 * (C1 + C3 - C5 + C7))
-#define W6 (SQRT_2 * (C1 + C3 + C5 - C7))
-#define W7 (SQRT_2 * (C1 + C3 - C5 - C7))
-#define W8 (SQRT_2 * (C7 - C3))
-#define W9 (SQRT_2 * (-C1 - C3))
-#define WA (SQRT_2 * (-C3 - C5))
-#define WB (SQRT_2 * (C5 - C3))
+#define W2 (M_SQRT2 * C6)
+#define W3 (M_SQRT2 * C3)
+#define W4 (M_SQRT2 * (-C1 + C3 + C5 - C7))
+#define W5 (M_SQRT2 * (C1 + C3 - C5 + C7))
+#define W6 (M_SQRT2 * (C1 + C3 + C5 - C7))
+#define W7 (M_SQRT2 * (C1 + C3 - C5 - C7))
+#define W8 (M_SQRT2 * (C7 - C3))
+#define W9 (M_SQRT2 * (-C1 - C3))
+#define WA (M_SQRT2 * (-C3 - C5))
+#define WB (M_SQRT2 * (C5 - C3))
static const vector float fdctconsts[3] = {
{ W0, W1, W2, W3 },