New <math.h> macro named issignaling to check for a signaling NaN (sNaN).

It is based on draft TS 18661 and currently enabled as a GNU extension.

15 files changed, 113 insertions, 0 deletions

diff --git a/ports/sysdeps/hppa/math_private.h b/ports/sysdeps/hppa/math_private.h
new file mode 100644
index 0000000000..03b0711e06
--- /dev/null
+++ b/ports/sysdeps/hppa/math_private.h
@@ -0,0 +1,27 @@
+/* Internal math stuff.  HPPA version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _MATH_PRIVATE_H
+
+/* One of the few architectures where the meaning of the quiet/signaling bit is
+   inverse to IEEE 754-2008 (as well as common practice for IEEE 754-1985).  */
+#define HIGH_ORDER_BIT_IS_SET_FOR_SNAN
+
+#include_next <math_private.h>
+
+#endif
diff --git a/ports/sysdeps/mips/math_private.h b/ports/sysdeps/mips/math_private.h
new file mode 100644
index 0000000000..f0ba4ee706
--- /dev/null
+++ b/ports/sysdeps/mips/math_private.h
@@ -0,0 +1,27 @@
+/* Internal math stuff.  MIPS version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _MATH_PRIVATE_H
+
+/* One of the few architectures where the meaning of the quiet/signaling bit is
+   inverse to IEEE 754-2008 (as well as common practice for IEEE 754-1985).  */
+#define HIGH_ORDER_BIT_IS_SET_FOR_SNAN
+
+#include_next <math_private.h>
+
+#endif
diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist
index 14b7edfe2e..0f1cfc8702 100644
--- a/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist
@@ -395,3 +395,8 @@ GLIBC_2.17
  yn F
  ynf F
  ynl F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist
index 9c4170dbe4..400a851d4d 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist
@@ -391,6 +391,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  feclearexcept F
diff --git a/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist
index cee34728d8..614e5ebe5c 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist
@@ -54,6 +54,10 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
 GLIBC_2.4
  GLIBC_2.4 A
  _LIB_VERSION D 0x4
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist
index 1fb51a118d..db8b279110 100644
--- a/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist
@@ -18,6 +18,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  _LIB_VERSION D 0x4
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist
index cee34728d8..614e5ebe5c 100644
--- a/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist
@@ -54,6 +54,10 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
 GLIBC_2.4
  GLIBC_2.4 A
  _LIB_VERSION D 0x4
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist
index 35fc1e3d72..0beecb7246 100644
--- a/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist
@@ -396,6 +396,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  feclearexcept F
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist
index defa1b0b49..53812463c4 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist
@@ -212,6 +212,10 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
 GLIBC_2.2
  GLIBC_2.2 A
  __clog10 F
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist
index 064eeba0b1..bb39795179 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist
@@ -239,6 +239,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  __clog10 F
diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist
index 064eeba0b1..bb39795179 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist
@@ -239,6 +239,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  __clog10 F
diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist
index ddc8576866..9bd593c0e9 100644
--- a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist
@@ -396,6 +396,11 @@ GLIBC_2.15
  __yn_finite F
  __ynf_finite F
  __ynl_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
+ __issignalingl F
 GLIBC_2.2
  GLIBC_2.2 A
  feclearexcept F
diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist
index 601b505ead..cb0d1a4423 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist
@@ -367,3 +367,7 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist
index 601b505ead..cb0d1a4423 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist
@@ -367,3 +367,7 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F
diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist
index 601b505ead..cb0d1a4423 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist
+++ b/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist
@@ -367,3 +367,7 @@ GLIBC_2.15
  __y1f_finite F
  __yn_finite F
  __ynf_finite F
+GLIBC_2.18
+ GLIBC_2.18 A
+ __issignaling F
+ __issignalingf F