comparison include/ne10/NE10_macros.h @ 379:24c3a0663d54 prerelease

Added Ne10 headers within include directory

+/*
+ *  Copyright 2013-15 ARM Limited and Contributors.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of ARM Limited nor the
+ *      names of its contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY ARM LIMITED AND CONTRIBUTORS "AS IS" AND
+ *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL ARM LIMITED AND CONTRIBUTORS BE LIABLE FOR ANY
+ *  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * NE10 Library : inc/NE10_macros.h
+ */
+
+/** NE10 defines a number of macros for use in its function signatures.
+ *  The macros are defined within this header file.
+ */
+
+#ifndef NE10_MACROS_H
+#define NE10_MACROS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/////////////////////////////////////////////////////////
+// constant values that are used across the library
+/////////////////////////////////////////////////////////
+
+#define NE10_PI (ne10_float32_t)(3.1415926535897932384626433832795)
+
+/////////////////////////////////////////////////////////
+// some external macro definitions to be exposed to the users
+/////////////////////////////////////////////////////////
+
+#define NE10_MALLOC malloc
+#define NE10_FREE(p) \
+    do { \
+        free(p); \
+        p = NULL; \
+    }while(0)
+
+#define NE10_MIN(a,b) ((a)>(b)?(b):(a))
+#define NE10_MAX(a,b) ((a)<(b)?(b):(a))
+
+#define NE10_BYTE_ALIGNMENT(address, alignment) \
+    do { \
+        (address) = (((address) + ((alignment) - 1)) & ~ ((alignment) - 1)); \
+    }while (0)
+
+/////////////////////////////////////////////////////////
+// macro definitions for float to fixed point
+/////////////////////////////////////////////////////////
+#define NE10_F2I16_MAX         32767
+#define NE10_F2I16_SHIFT       15
+#define NE10_F2I16_SAMPPROD    ne10_int32_t
+#define NE10_F2I16_OP(x)       (ne10_int16_t)((x)*NE10_F2I16_MAX + 0.5f)
+#define NE10_F2I16_SROUND(x)   (ne10_int16_t)((((x)<<1)+(1<<NE10_F2I16_SHIFT))>>16)
+#define NE10_F2I16_SMUL(a,b)   ((NE10_F2I16_SAMPPROD)(a)*(b))
+#define NE10_F2I16_FIXDIV(c,div) \
+    do {    ((c).r) = ( ( ((c).r)/div) );  \
+        ((c).i) = ( ( ((c).i)/div) ); }while (0)
+
+#define NE10_F2I32_MAX         2147483647
+#define NE10_F2I32_SHIFT       31
+#define NE10_F2I32_SAMPPROD    ne10_int64_t
+#define NE10_F2I32_OP(x)       (ne10_int32_t)((x)*NE10_F2I32_MAX + 0.5f)
+#define NE10_F2I32_SROUND(x)   (ne10_int32_t) ((x)>>NE10_F2I32_SHIFT)
+#define NE10_F2I32_SMUL(a,b)    ((NE10_F2I32_SAMPPROD)(a)*(b))
+#define NE10_F2I32_FIXDIV(c,div) \
+    do {    ((c).r) = ( ( ((c).r)/div) );  \
+        ((c).i) = ( ( ((c).i)/div) ); }while (0)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif