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[PATCH COMMITTED] Annotate more cases of math bug 15319.

From: David Miller <davem at davemloft dot net>
To: libc-alpha at sourceware dot org
Cc: joseph at codesourcery dot com
Date: Sat, 13 Jul 2013 16:58:23 -0700 (PDT)
Subject: [PATCH COMMITTED] Annotate more cases of math bug 15319.
As recommended by Joseph.

	* math/libm-test.inc (casin_test_data): Annotate more cases of missing
	underflows from atanl/atan2l due to bug 15319.
	(casinh_test_data): Likewise.
---
 ChangeLog          |  6 ++++++
 math/libm-test.inc | 36 ++++++++++++++++++++----------------
 2 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5e35974..df08a3d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-07-13  David S. Miller  <davem@davemloft.net>
+
+	* math/libm-test.inc (casin_test_data): Annotate more cases of missing
+	underflows from atanl/atan2l due to bug 15319.
+	(casinh_test_data): Likewise.
+
 2013-07-07  David S. Miller  <davem@davemloft.net>
 
 	* sysdeps/sparc/fpu/libm-test-ulps: Regenerate from scratch.
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 2e5237b..2324d4f 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -3967,10 +3967,11 @@ static const struct test_c_c_data casin_test_data[] =
     TEST_c_c (casin, -0x1p-63L, 0x1p-63L, -1.084202172485504434007452800869941711422e-19L, 1.084202172485504434007452800869941711430e-19L),
     TEST_c_c (casin, -0x1p-63L, -0x1p-63L, -1.084202172485504434007452800869941711422e-19L, -1.084202172485504434007452800869941711430e-19L),
 #if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
-    TEST_c_c (casin, 0x1.fp-16385L, 0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, 0x1.fp-16385L, -0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, -0x1.fp-16385L, 0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, -0x1.fp-16385L, -0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION),
+    /* Bug 15319: underflow exception may be missing.  */
+    TEST_c_c (casin, 0x1.fp-16385L, 0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, 0x1.fp-16385L, -0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, -0x1.fp-16385L, 0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, -0x1.fp-16385L, -0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION_OK),
     TEST_c_c (casin, 0x1p-63L, 0x1.fp-16385L, 1.084202172485504434007452800869941711428e-19L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casin, -0x1p-63L, 0x1.fp-16385L, -1.084202172485504434007452800869941711428e-19L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casin, 0x1p-63L, -0x1.fp-16385L, 1.084202172485504434007452800869941711428e-19L, -8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION),
@@ -4086,10 +4087,11 @@ static const struct test_c_c_data casin_test_data[] =
     TEST_c_c (casin, -0x1p-112L, 0x1p-112L, -1.925929944387235853055977942584927318538e-34L, 1.925929944387235853055977942584927318538e-34L),
     TEST_c_c (casin, -0x1p-112L, -0x1p-112L, -1.925929944387235853055977942584927318538e-34L, -1.925929944387235853055977942584927318538e-34L),
 #if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
-    TEST_c_c (casin, 0x1.fp-16385L, 0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, 0x1.fp-16385L, -0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, -0x1.fp-16385L, 0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casin, -0x1.fp-16385L, -0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
+    /* Bug 15319: underflow exception may be missing.  */
+    TEST_c_c (casin, 0x1.fp-16385L, 0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, 0x1.fp-16385L, -0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, -0x1.fp-16385L, 0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casin, -0x1.fp-16385L, -0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION_OK),
     TEST_c_c (casin, 0x1p-112L, 0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casin, -0x1p-112L, 0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casin, 0x1p-112L, -0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
@@ -4666,10 +4668,11 @@ static const struct test_c_c_data casinh_test_data[] =
     TEST_c_c (casinh, 0x1.fp-16385L, -0x1p-63L, 8.142593549724601460479922838826119584465e-4933L, -1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casinh, -0x1.fp-16385L, 0x1p-63L, -8.142593549724601460479922838826119584465e-4933L, 1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casinh, -0x1.fp-16385L, -0x1p-63L, -8.142593549724601460479922838826119584465e-4933L, -1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, 0x1p-63L, 0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, -0x1p-63L, 0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, 0x1p-63L, -0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, -0x1p-63L, -0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION),
+    /* Bug 15319: underflow exception may be missing.  */
+    TEST_c_c (casinh, 0x1p-63L, 0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, -0x1p-63L, 0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, 0x1p-63L, -0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, -0x1p-63L, -0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION_OK),
 #endif
     TEST_c_c (casinh, 0.0L, 0x1p-63L, 0.0L, 1.084202172485504434007452800869941711428e-19L),
     TEST_c_c (casinh, 0.0L, -0x1p-63L, 0.0L, -1.084202172485504434007452800869941711428e-19L),
@@ -4785,10 +4788,11 @@ static const struct test_c_c_data casinh_test_data[] =
     TEST_c_c (casinh, 0x1.fp-16385L, -0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casinh, -0x1.fp-16385L, 0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
     TEST_c_c (casinh, -0x1.fp-16385L, -0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, 0x1p-112L, 0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, -0x1p-112L, 0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, 0x1p-112L, -0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
-    TEST_c_c (casinh, -0x1p-112L, -0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION),
+    /* Bug 15319: underflow exception may be missing.  */
+    TEST_c_c (casinh, 0x1p-112L, 0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, -0x1p-112L, 0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, 0x1p-112L, -0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION_OK),
+    TEST_c_c (casinh, -0x1p-112L, -0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION_OK),
 #endif
     TEST_c_c (casinh, 0.0L, 0x1p-112L, 0.0L, 1.925929944387235853055977942584927318538e-34L),
     TEST_c_c (casinh, 0.0L, -0x1p-112L, 0.0L, -1.925929944387235853055977942584927318538e-34L),
-- 
1.8.1.2
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