X-Git-Url: https://git.sesse.net/?p=fjl;a=blobdiff_plain;f=idct_test.c;h=bd39c7467e5f0e79ff361daf7b97df92968a55c1;hp=dd15270265c5be2b17226f5cc7aeff70403cada0;hb=19a58db08afd149a862506936093423db756a2dc;hpb=56779091c47e5c61376d7f942cc58b831673e1d7

diff --git a/idct_test.c b/idct_test.c
index dd15270..bd39c74 100644
--- a/idct_test.c
+++ b/idct_test.c
@@ -8,6 +8,7 @@
 #include "idct.h"
 #include "idct_reference.h"
 #include "idct_float.h"
+#include "idct_imprecise_int.h"
 
 // Generate random coefficients in the range [-15..15].
 void gen_random_coeffs(int16_t* dst, size_t len)
@@ -75,8 +76,13 @@ void test_dc_becomes_spread_out(idct_alloc_t* idct_alloc, idct_free_t* idct_free
 
 	void* userdata = idct_alloc(quant);
 
-	for (unsigned i = 0; i < 255*8; ++i) {	
-		uint32_t reference_value = i / 8;
+	for (unsigned i = -255*8; i < 255*16; ++i) {	
+		int reference_value = i / 8 + 128;
+		if (reference_value < 0) {
+			reference_value = 0;
+		} else if (reference_value > 255) {
+			reference_value = 255;
+		}
 		coeff[0] = i;
 
 		(*idct)(coeff, userdata, output);
@@ -144,6 +150,9 @@ int main(void)
 
 	printf("idct_float:\n");
 	test_all_idct(idct_float_alloc, idct_float_free, idct_float);
+	
+	printf("idct_imprecise_int:\n");
+	test_all_idct(idct_imprecise_int_alloc, idct_imprecise_int_free, idct_imprecise_int);
 
 	printf("All tests pass.\n");
 	return 0;