diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref
index 16ad7139c7..141be8f4bb 100644
--- a/tests/ffmpeg.regression.ref
+++ b/tests/ffmpeg.regression.ref
@@ -265,6 +265,18 @@ stddev:    0.00 PSNR:999.99 bytes:  1058444/  1058444
 2116824 ./tests/data/a-pcm_f32be.au
 95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/pcm.vsynth.out.wav
 stddev:    0.00 PSNR:999.99 bytes:  1058444/  1058444
+2e38d92746dc232b6d9947271c1d6b18 *./tests/data/a-pcm_f32le.wav
+529256 ./tests/data/a-pcm_f32le.wav
+d50de60eddcebf645fb73c3468ce3dc5 *./tests/data/pcm.vsynth.out.wav
+stddev:10682.28 PSNR: 15.75 bytes:   264644/  1058444
+7e537c073be3660dc389ea94b55682a6 *./tests/data/a-pcm_f64be.au
+529224 ./tests/data/a-pcm_f64be.au
+060e8edf8a21807a87e54edba4a9bfe8 *./tests/data/pcm.vsynth.out.wav
+stddev:10705.84 PSNR: 15.73 bytes:   132344/  1058444
+6e2bbd21c2d4ba083e8de45017161141 *./tests/data/a-pcm_f64le.wav
+529256 ./tests/data/a-pcm_f64le.wav
+060e8edf8a21807a87e54edba4a9bfe8 *./tests/data/pcm.vsynth.out.wav
+stddev:10705.84 PSNR: 15.73 bytes:   132344/  1058444
 8c74234928ed425b1171211a89f67ead *./tests/data/a-pcm_zork.wav
 529256 ./tests/data/a-pcm_zork.wav
 864c8c866ac25642c29a13b122c70709 *./tests/data/pcm.vsynth.out.wav
diff --git a/tests/regression.sh b/tests/regression.sh
index b71012a57d..e3178cd3c8 100755
--- a/tests/regression.sh
+++ b/tests/regression.sh
@@ -460,6 +460,9 @@ do_audio_enc_dec wav s32 pcm_s32le
 #do_audio_enc_dec ??? s32 pcm_u32be #no compatible muxer or demuxer
 #do_audio_enc_dec ??? s32 pcm_u32le #no compatible muxer or demuxer
 do_audio_enc_dec au  flt pcm_f32be
+do_audio_enc_dec wav flt pcm_f32le
+do_audio_enc_dec au  dbl pcm_f64be
+do_audio_enc_dec wav dbl pcm_f64le
 do_audio_enc_dec wav s16 pcm_zork
 do_audio_enc_dec 302 s16 pcm_s24daud "-ac 6 -ar 96000"
 fi
diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref
index 2dac4af1d3..88945ec844 100644
--- a/tests/rotozoom.regression.ref
+++ b/tests/rotozoom.regression.ref
@@ -265,6 +265,18 @@ stddev:    0.00 PSNR:999.99 bytes:  1058444/  1058444
 2116824 ./tests/data/a-pcm_f32be.au
 95e54b261530a1bcf6de6fe3b21dc5f6 *./tests/data/pcm.rotozoom.out.wav
 stddev:    0.00 PSNR:999.99 bytes:  1058444/  1058444
+2e38d92746dc232b6d9947271c1d6b18 *./tests/data/a-pcm_f32le.wav
+529256 ./tests/data/a-pcm_f32le.wav
+d50de60eddcebf645fb73c3468ce3dc5 *./tests/data/pcm.rotozoom.out.wav
+stddev:10682.28 PSNR: 15.75 bytes:   264644/  1058444
+7e537c073be3660dc389ea94b55682a6 *./tests/data/a-pcm_f64be.au
+529224 ./tests/data/a-pcm_f64be.au
+060e8edf8a21807a87e54edba4a9bfe8 *./tests/data/pcm.rotozoom.out.wav
+stddev:10705.84 PSNR: 15.73 bytes:   132344/  1058444
+6e2bbd21c2d4ba083e8de45017161141 *./tests/data/a-pcm_f64le.wav
+529256 ./tests/data/a-pcm_f64le.wav
+060e8edf8a21807a87e54edba4a9bfe8 *./tests/data/pcm.rotozoom.out.wav
+stddev:10705.84 PSNR: 15.73 bytes:   132344/  1058444
 8c74234928ed425b1171211a89f67ead *./tests/data/a-pcm_zork.wav
 529256 ./tests/data/a-pcm_zork.wav
 864c8c866ac25642c29a13b122c70709 *./tests/data/pcm.rotozoom.out.wav