ref: 42fc47242b8231c46dda2fceb771bf5a71dfbc58
parent: f17c5e084f9a983c00a48b25c4f6422b6c521435
author: Henrik Gramner <gramner@twoorioles.com>
date: Mon Oct 8 08:55:20 EDT 2018
checkasm: Fix itx coef input ranges Input coefficients for transforms of sizes 16x32/32x16 and above were larger than they should be, which in rare cases could cause tests to incorrectly fail.
--- a/tests/checkasm/itx.c
+++ b/tests/checkasm/itx.c
@@ -72,15 +72,15 @@
};
static const double scaling_factors[9] = {- 4.00, /* 4x4 */
- 4.00 * M_SQRT1_2, /* 4x8 8x4 */
- 2.00, /* 4x16 8x8 16x4 */
- 2.00 * M_SQRT1_2, /* 8x16 16x8 */
- 1.00, /* 8x32 16x16 32x8 */
- 1.00 * M_SQRT1_2, /* 16x32 32x16 */
- 0.50, /* 16x64 32x32 64x16 */
- 0.50 * M_SQRT1_2, /* 32x64 64x32 */
- 0.25, /* 64x64 */
+ 4.0000, /* 4x4 */
+ 4.0000 * M_SQRT1_2, /* 4x8 8x4 */
+ 2.0000, /* 4x16 8x8 16x4 */
+ 2.0000 * M_SQRT1_2, /* 8x16 16x8 */
+ 1.0000, /* 8x32 16x16 32x8 */
+ 0.5000 * M_SQRT1_2, /* 16x32 32x16 */
+ 0.2500, /* 16x64 32x32 64x16 */
+ 0.1250 * M_SQRT1_2, /* 32x64 64x32 */
+ 0.0625, /* 64x64 */
};
/* FIXME: Ensure that those forward transforms are similar to the real AV1