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Add more sNaN tests (most remaining real functions) [committed]

From: Joseph Myers <joseph at codesourcery dot com>
To: <libc-alpha at sourceware dot org>
Date: Thu, 23 Jun 2016 22:00:39 +0000
Subject: Add more sNaN tests (most remaining real functions) [committed]
Authentication-results: sourceware.org; auth=none
This patch adds tests of sNaN inputs to more functions to
libm-test.inc.  This covers the remaining real functions except for
scalb, where there's a bug to fix, and hypot pow fmin fmax, where
there are cases where a qNaN input does not result in a qNaN output
and so sNaN support according to TS 18661-1 is more of a new feature.

Tested for x86_64 and x86.  Committed.

2016-06-23  Joseph Myers  <joseph@codesourcery.com>

	* math/libm-test.inc (snan_value_ld): New macro.
	(isgreater_test_data): Add sNaN tests.
	(isgreaterequal_test_data): Likewise.
	(isless_test_data): Likewise.
	(islessequal_test_data): Likewise.
	(islessgreater_test_data): Likewise.
	(isunordered_test_data): Likewise.
	(nextafter_test_data): Likewise.
	(nexttoward_test_data): Likewise.
	(remainder_test_data): Likewise.
	(remquo_test_data): Likewise.
	(significand_test_data): Likewise.
	* math/gen-libm-test.pl (%beautify): Add snan_value_ld.

diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl
index 9cdcc43..aa66e76 100755
--- a/math/gen-libm-test.pl
+++ b/math/gen-libm-test.pl
@@ -67,6 +67,7 @@ use vars qw (%auto_tests);
     "plus_infty" => "inf",
     "qnan_value" => "qNaN",
     "snan_value" => "sNaN",
+    "snan_value_ld" => "sNaN",
   );
 
 
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 17d65b4..3e4ef18 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -317,6 +317,9 @@ static int ignore_max_ulp;	/* Should we ignore max_ulp?  */
 #define min_value	TYPE_MIN
 #define min_subnorm_value TYPE_TRUE_MIN
 
+/* For nexttoward tests.  */
+#define snan_value_ld	__builtin_nansl ("")
+
 static FLOAT max_error, real_max_error, imag_max_error;
 
 static FLOAT prev_max_error, prev_real_max_error, prev_imag_max_error;
@@ -8194,26 +8197,50 @@ static const struct test_ff_i_data isgreater_test_data[] =
     TEST_ff_i (isgreater, minus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreater, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreater, plus_zero, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, plus_zero, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, plus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreater, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreater, (FLOAT) 1, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, (FLOAT) 1, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, (FLOAT) 1, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreater, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreater, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreater, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreater, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreater, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreater, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreater, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -8229,26 +8256,50 @@ static const struct test_ff_i_data isgreaterequal_test_data[] =
     TEST_ff_i (isgreaterequal, minus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreaterequal, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreaterequal, plus_zero, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, plus_zero, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, plus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreaterequal, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreaterequal, (FLOAT) 1, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, (FLOAT) 1, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, (FLOAT) 1, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreaterequal, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreaterequal, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreaterequal, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isgreaterequal, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isgreaterequal, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isgreaterequal, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isgreaterequal, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -8289,26 +8340,50 @@ static const struct test_ff_i_data isless_test_data[] =
     TEST_ff_i (isless, minus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isless, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isless, plus_zero, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, plus_zero, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, plus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isless, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isless, (FLOAT) 1, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, (FLOAT) 1, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, (FLOAT) 1, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isless, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isless, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isless, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isless, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isless, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isless, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isless, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -8324,26 +8399,50 @@ static const struct test_ff_i_data islessequal_test_data[] =
     TEST_ff_i (islessequal, minus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessequal, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessequal, plus_zero, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, plus_zero, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, plus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessequal, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessequal, (FLOAT) 1, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, (FLOAT) 1, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, (FLOAT) 1, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessequal, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessequal, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessequal, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessequal, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessequal, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessequal, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessequal, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -8359,26 +8458,50 @@ static const struct test_ff_i_data islessgreater_test_data[] =
     TEST_ff_i (islessgreater, minus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, minus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, minus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessgreater, minus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, minus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessgreater, plus_zero, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, plus_zero, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, plus_zero, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, plus_zero, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, plus_zero, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessgreater, plus_zero, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, plus_zero, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessgreater, (FLOAT) 1, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, (FLOAT) 1, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, (FLOAT) 1, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, (FLOAT) 1, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, (FLOAT) 1, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessgreater, (FLOAT) 1, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, (FLOAT) 1, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessgreater, qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, -qnan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, -qnan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, -qnan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessgreater, snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, minus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, plus_zero, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (islessgreater, qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, -qnan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (islessgreater, -qnan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (islessgreater, snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, -qnan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -qnan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -qnan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (islessgreater, -snan_value, -snan_value, 0, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -8469,26 +8592,50 @@ static const struct test_ff_i_data isunordered_test_data[] =
     TEST_ff_i (isunordered, minus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, minus_zero, qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, minus_zero, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isunordered, minus_zero, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, minus_zero, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isunordered, plus_zero, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, plus_zero, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, plus_zero, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, plus_zero, qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, plus_zero, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isunordered, plus_zero, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, plus_zero, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isunordered, (FLOAT) 1, minus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, (FLOAT) 1, plus_zero, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, (FLOAT) 1, (FLOAT) 1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, (FLOAT) 1, qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, (FLOAT) 1, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isunordered, (FLOAT) 1, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, (FLOAT) 1, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isunordered, qnan_value, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, -qnan_value, minus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, qnan_value, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, -qnan_value, plus_zero, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, qnan_value, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, -qnan_value, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isunordered, snan_value, minus_zero, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, minus_zero, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, snan_value, plus_zero, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, plus_zero, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, snan_value, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, (FLOAT) 1, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_i (isunordered, qnan_value, qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, qnan_value, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, -qnan_value, qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_i (isunordered, -qnan_value, -qnan_value, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_i (isunordered, snan_value, qnan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, snan_value, -qnan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, qnan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, -qnan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, qnan_value, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, qnan_value, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -qnan_value, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -qnan_value, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, snan_value, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, snan_value, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_i (isunordered, -snan_value, -snan_value, 1, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
   };
 
 static void
@@ -10154,16 +10301,40 @@ static const struct test_ff_f_data nextafter_test_data[] =
     TEST_ff_f (nextafter, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, snan_value, 1.1L, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, 1.1L, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (nextafter, 1.1L, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, 1.1L, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, 1.1L, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, 1.1L, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, plus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, plus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, minus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, minus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (nextafter, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (nextafter, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (nextafter, -snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 
     TEST_ff_f (nextafter, max_value, plus_infty, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_ERANGE),
     TEST_ff_f (nextafter, -max_value, minus_infty, minus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_ERANGE),
@@ -10341,16 +10512,40 @@ static const struct test_fj_f_data nexttoward_test_data[] =
     TEST_fj_f (nexttoward, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fj_f (nexttoward, snan_value, 1.1L, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, 1.1L, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_fj_f (nexttoward, 1.1L, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, 1.1L, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fj_f (nexttoward, 1.1L, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, 1.1L, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, plus_infty, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, plus_infty, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, minus_infty, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, minus_infty, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_fj_f (nexttoward, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fj_f (nexttoward, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fj_f (nexttoward, snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, qnan_value, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, qnan_value, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -qnan_value, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -qnan_value, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, snan_value, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, snan_value, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_fj_f (nexttoward, -snan_value, -snan_value_ld, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 
     TEST_fj_f (nexttoward, max_value, plus_infty, plus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_ERANGE),
     TEST_fj_f (nexttoward, -max_value, minus_infty, minus_infty, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_ERANGE),
@@ -10766,22 +10961,50 @@ static const struct test_ff_f_data remainder_test_data[] =
     TEST_ff_f (remainder, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -qnan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -qnan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, 0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, 0, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, 0, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, 0, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, 1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, 1, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, 1, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, plus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, plus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, minus_infty, snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, minus_infty, -snan_value, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ff_f (remainder, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (remainder, snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ff_f (remainder, -snan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 
     TEST_ff_f (remainder, 7.0, plus_infty, 7.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (remainder, 7.0, minus_infty, 7.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -10904,22 +11127,50 @@ static const struct test_ffI_f1_data remquo_test_data[] =
     TEST_ffI_f1 (remquo, qnan_value, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, snan_value, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, snan_value, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, qnan_value, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, qnan_value, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -qnan_value, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -qnan_value, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, snan_value, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, snan_value, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, 0, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, 0, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, 0, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, 0, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, qnan_value, 0, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, 0, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, snan_value, 0, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, 0, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, 1, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, 1, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, 1, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, 1, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, qnan_value, 1, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, 1, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, snan_value, 1, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, 1, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, plus_infty, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, plus_infty, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, plus_infty, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, plus_infty, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, qnan_value, plus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, plus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, snan_value, plus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, plus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, minus_infty, qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, minus_infty, -qnan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, minus_infty, snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, minus_infty, -snan_value, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
     TEST_ffI_f1 (remquo, qnan_value, minus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, -qnan_value, minus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ffI_f1 (remquo, snan_value, minus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
+    TEST_ffI_f1 (remquo, -snan_value, minus_infty, qnan_value, IGNORE, NO_INEXACT_EXCEPTION|INVALID_EXCEPTION),
 
     TEST_ffI_f1 (remquo, 7.0, plus_infty, 7.0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ffI_f1 (remquo, 7.0, minus_infty, 7.0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -12145,6 +12396,8 @@ static const struct test_f_f_data significand_test_data[] =
        specification.  */
     TEST_f_f (significand, qnan_value, qnan_value, INVALID_EXCEPTION_OK),
     TEST_f_f (significand, -qnan_value, qnan_value, INVALID_EXCEPTION_OK),
+    TEST_f_f (significand, snan_value, qnan_value, INVALID_EXCEPTION),
+    TEST_f_f (significand, -snan_value, qnan_value, INVALID_EXCEPTION),
     TEST_f_f (significand, plus_infty, plus_infty, INVALID_EXCEPTION_OK),
     TEST_f_f (significand, minus_infty, minus_infty, INVALID_EXCEPTION_OK),
     TEST_f_f (significand, 0, 0, INVALID_EXCEPTION_OK|DIVIDE_BY_ZERO_EXCEPTION_OK),

-- 
Joseph S. Myers
joseph@codesourcery.com
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