1 files changed, 55 insertions, 0 deletions
diff --git a/StdLib/Include/Arm/machine/fenv.h b/StdLib/Include/Arm/machine/fenv.h
new file mode 100644
index 0000000000..cdca48c094
--- /dev/null
+++ b/StdLib/Include/Arm/machine/fenv.h
@@ -0,0 +1,55 @@
+/*  $NetBSD: fenv.h,v 1.2 2014/01/29 00:22:09 matt Exp $    */
+/** @file
+*
+*  Copyright (c) 2013 - 2014, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials
+*  are licensed and made available under the terms and conditions of the BSD License
+*  which accompanies this distribution.  The full text of the license may be found at
+*  http://opensource.org/licenses/bsd-license.php
+*
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+ /*
+ * Based on ieeefp.h written by J.T. Conklin, Apr 28, 1995
+ * Public domain.
+ */
+
+#ifndef _ARM_FENV_H_
+#define _ARM_FENV_H_
+
+#ifdef __ARM_PCS_AAPCS64
+/* AArch64 split FPSCR into two registers FPCR and FPSR */
+typedef struct {
+    unsigned int __fpcr;
+    unsigned int __fpsr;
+} fenv_t;
+#else
+typedef int fenv_t;     /* FPSCR */
+#endif
+typedef int fexcept_t;
+
+#define FE_INVALID      0x01    /* invalid operation exception */
+#define FE_DIVBYZERO    0x02    /* divide-by-zero exception */
+#define FE_OVERFLOW     0x04    /* overflow exception */
+#define FE_UNDERFLOW    0x08    /* underflow exception */
+#define FE_INEXACT      0x10    /* imprecise (loss of precision; "inexact") */
+
+#define FE_ALL_EXCEPT   0x1f
+
+#define FE_TONEAREST    0   /* round to nearest representable number */
+#define FE_UPWARD       1   /* round toward positive infinity */
+#define FE_DOWNWARD     2   /* round toward negative infinity */
+#define FE_TOWARDZERO   3   /* round to zero (truncate) */
+
+__BEGIN_DECLS
+
+/* Default floating-point environment */
+extern const fenv_t   __fe_dfl_env;
+#define FE_DFL_ENV    (&__fe_dfl_env)
+
+__END_DECLS
+
+#endif /* _ARM_FENV_H_ */