centralized performance resources

ocw/1/matrix-multiply/tbassert.h

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+/**
+ * Copyright (c) 2014 MIT License by Tao B. Schardl
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ **/
+
+#ifndef _TBASSERT_H_
+#define _TBASSERT_H_ 1
+
+#ifndef NDEBUG
+
+/**************************************************************************
+ * Library of debugging macros.
+ *************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+// Print a message to STREAM when DEBUG = 1.  This macro takes the
+// same arguments as FPRINTF().
+#define DEBUG_FPRINTF(STREAM, ...)                           \
+  do {                                                       \
+    fprintf(STREAM, "%s:%d (%s) ",                           \
+            __FILE__, __LINE__, __PRETTY_FUNCTION__);        \
+    fprintf(STREAM, __VA_ARGS__);                            \
+  } while (0)
+
+// Print a message to STDERR when DEBUG = 1.  This macro takes the
+// same arguments as PRINTF().
+#define DEBUG_EPRINTF(...) DEBUG_FPRINTF(stderr, __VA_ARGS__);
+
+// If PREDICATE is true, do nothing.  Otherwise, print an error with
+// the specified message to STDERR.  This macro only operates when
+// DEBUG = 1.  This macro takes a PREDICATE to evaluate followed by
+// the standard arguments to PRINTF().
+#define DEBUG_ASSERT(PREDICATE, ...)                                    \
+    do {                                                                \
+      if (!(PREDICATE)) {                                               \
+        fprintf(stderr, "%s:%d (%s) Assertion " #PREDICATE " failed: ", \
+                __FILE__, __LINE__, __PRETTY_FUNCTION__);               \
+        fprintf(stderr, __VA_ARGS__);                                   \
+        abort();                                                        \
+      }                                                                 \
+    } while (0)
+
+#define tbassert DEBUG_ASSERT
+
+#else
+
+#define DEBUG_PRINTF(...)  // Nothing.
+#define DEBUG_EPRINTF(...)  // Nothing.
+#define DEBUG_ASSERT(...)  // Nothing.
+#define tbassert(...)  // Nothing.
+
+#endif
+
+#endif  // _TBASSERT_H_