1 files changed, 65 insertions, 0 deletions
diff --git a/math/funder.c b/math/funder.c
new file mode 100644
index 0000000..7c086d1
--- /dev/null
+++ b/math/funder.c
@@ -0,0 +1,65 @@
+/*
+ *  funder.c - manually provoke SP exceptions for mathlib
+ *
+ *  Copyright (C) 2009-2015, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  This file is part of the Optimized Routines project
+ */
+
+#include "math_private.h"
+#include <fenv.h>
+
+__inline float __mathlib_flt_infnan2(float x, float y)
+{
+  return x+y;
+}
+
+__inline float __mathlib_flt_infnan(float x)
+{
+  return x+x;
+}
+
+float __mathlib_flt_underflow(void)
+{
+#ifdef CLANG_EXCEPTIONS
+  feraiseexcept(FE_UNDERFLOW);
+#endif
+  return 0x1p-95F * 0x1p-95F;
+}
+
+float __mathlib_flt_overflow(void)
+{
+#ifdef CLANG_EXCEPTIONS
+  feraiseexcept(FE_OVERFLOW);
+#endif
+  return 0x1p+97F * 0x1p+97F;
+}
+
+float __mathlib_flt_invalid(void)
+{
+#ifdef CLANG_EXCEPTIONS
+  feraiseexcept(FE_INVALID);
+#endif
+  return 0.0f / 0.0f;
+}
+
+float __mathlib_flt_divzero(void)
+{
+#ifdef CLANG_EXCEPTIONS
+  feraiseexcept(FE_DIVBYZERO);
+#endif
+  return 1.0f / 0.0f;
+}