diff --git a/implementations/python/tests/samples.bin b/implementations/python/tests/samples.bin
index 3a62462..9b67c4b 100644
Binary files a/implementations/python/tests/samples.bin and b/implementations/python/tests/samples.bin differ
diff --git a/implementations/python/tests/samples.pr b/implementations/python/tests/samples.pr
index 7dff78b..bd6b456 100644
--- a/implementations/python/tests/samples.pr
+++ b/implementations/python/tests/samples.pr
@@ -91,6 +91,12 @@
   double+0: <Test #x"87080000000000000000" +0.0>
   double-0: <Test #x"87088000000000000000" -0.0>
   double1: <Test #x"87083ff0000000000000" 1.0>
+  double1a: <Test #x"87083ff0000000000000" 1e0>
+  double1b: <Test #x"87083ff0000000000000" 1.0e0>
+  double1c: <Test #x"87083ff0000000000000" 1e-0>
+  double1d: <Test #x"87083ff0000000000000" 1.0e-0>
+  double1e: <Test #x"87083ff0000000000000" 1e+0>
+  double1f: <Test #x"87083ff0000000000000" 1.0e+0>
   double2: <Test #x"8708fe3cb7b759bf0426" -1.202e300>
   double3: <Test #x"8708123456789abcdef0" #xd"12 34 56 78  9a bc de f0">
   double4: @"Fewer than 16 digits" <ParseError "#xd\"12345678\"">
@@ -111,6 +117,13 @@
   float+0: <Test #x"870400000000" +0.0f>
   float-0: <Test #x"870480000000" -0.0f>
   float1: <Test #x"87043f800000" 1.0f>
+  float1u: <Test #x"87043f800000" 1.0F>
+  float1a: <Test #x"87043f800000" 1e0f>
+  float1b: <Test #x"87043f800000" 1.0e0f>
+  float1c: <Test #x"87043f800000" 1e-0f>
+  float1d: <Test #x"87043f800000" 1.0e-0f>
+  float1e: <Test #x"87043f800000" 1e+0f>
+  float1f: <Test #x"87043f800000" 1.0e+0f>
   float2: <Test #x"870412345678" #xf"12 34  56 78">
   float3: @"Fewer than 8 digits" <ParseError "#xf\"123456\"">
   float4: @"More than 8 digits" <ParseError "#xf\"123456789a\"">
diff --git a/implementations/racket/preserves/preserves/tests/samples.pr b/implementations/racket/preserves/preserves/tests/samples.pr
index 7dff78b..bd6b456 100644
--- a/implementations/racket/preserves/preserves/tests/samples.pr
+++ b/implementations/racket/preserves/preserves/tests/samples.pr
@@ -91,6 +91,12 @@
   double+0: <Test #x"87080000000000000000" +0.0>
   double-0: <Test #x"87088000000000000000" -0.0>
   double1: <Test #x"87083ff0000000000000" 1.0>
+  double1a: <Test #x"87083ff0000000000000" 1e0>
+  double1b: <Test #x"87083ff0000000000000" 1.0e0>
+  double1c: <Test #x"87083ff0000000000000" 1e-0>
+  double1d: <Test #x"87083ff0000000000000" 1.0e-0>
+  double1e: <Test #x"87083ff0000000000000" 1e+0>
+  double1f: <Test #x"87083ff0000000000000" 1.0e+0>
   double2: <Test #x"8708fe3cb7b759bf0426" -1.202e300>
   double3: <Test #x"8708123456789abcdef0" #xd"12 34 56 78  9a bc de f0">
   double4: @"Fewer than 16 digits" <ParseError "#xd\"12345678\"">
@@ -111,6 +117,13 @@
   float+0: <Test #x"870400000000" +0.0f>
   float-0: <Test #x"870480000000" -0.0f>
   float1: <Test #x"87043f800000" 1.0f>
+  float1u: <Test #x"87043f800000" 1.0F>
+  float1a: <Test #x"87043f800000" 1e0f>
+  float1b: <Test #x"87043f800000" 1.0e0f>
+  float1c: <Test #x"87043f800000" 1e-0f>
+  float1d: <Test #x"87043f800000" 1.0e-0f>
+  float1e: <Test #x"87043f800000" 1e+0f>
+  float1f: <Test #x"87043f800000" 1.0e+0f>
   float2: <Test #x"870412345678" #xf"12 34  56 78">
   float3: @"Fewer than 8 digits" <ParseError "#xf\"123456\"">
   float4: @"More than 8 digits" <ParseError "#xf\"123456789a\"">
diff --git a/tests/samples.bin b/tests/samples.bin
index 3a62462..9b67c4b 100644
Binary files a/tests/samples.bin and b/tests/samples.bin differ
diff --git a/tests/samples.pr b/tests/samples.pr
index 7dff78b..bd6b456 100644
--- a/tests/samples.pr
+++ b/tests/samples.pr
@@ -91,6 +91,12 @@
   double+0: <Test #x"87080000000000000000" +0.0>
   double-0: <Test #x"87088000000000000000" -0.0>
   double1: <Test #x"87083ff0000000000000" 1.0>
+  double1a: <Test #x"87083ff0000000000000" 1e0>
+  double1b: <Test #x"87083ff0000000000000" 1.0e0>
+  double1c: <Test #x"87083ff0000000000000" 1e-0>
+  double1d: <Test #x"87083ff0000000000000" 1.0e-0>
+  double1e: <Test #x"87083ff0000000000000" 1e+0>
+  double1f: <Test #x"87083ff0000000000000" 1.0e+0>
   double2: <Test #x"8708fe3cb7b759bf0426" -1.202e300>
   double3: <Test #x"8708123456789abcdef0" #xd"12 34 56 78  9a bc de f0">
   double4: @"Fewer than 16 digits" <ParseError "#xd\"12345678\"">
@@ -111,6 +117,13 @@
   float+0: <Test #x"870400000000" +0.0f>
   float-0: <Test #x"870480000000" -0.0f>
   float1: <Test #x"87043f800000" 1.0f>
+  float1u: <Test #x"87043f800000" 1.0F>
+  float1a: <Test #x"87043f800000" 1e0f>
+  float1b: <Test #x"87043f800000" 1.0e0f>
+  float1c: <Test #x"87043f800000" 1e-0f>
+  float1d: <Test #x"87043f800000" 1.0e-0f>
+  float1e: <Test #x"87043f800000" 1e+0f>
+  float1f: <Test #x"87043f800000" 1.0e+0f>
   float2: <Test #x"870412345678" #xf"12 34  56 78">
   float3: @"Fewer than 8 digits" <ParseError "#xf\"123456\"">
   float4: @"More than 8 digits" <ParseError "#xf\"123456789a\"">