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authorKyle Repinski <repinski23@gmail.com>2015-12-02 12:32:39 -0600
committerZiyan <jaraidaniel@gmail.com>2016-01-17 22:41:00 +0100
commit153b50ec9714ff4ba6ce083ca0d49fd31658ce15 (patch)
tree8dab0e630a39552385d42a266ba39dfdaf837752 /libsensors/mlsdk/platform/include/mlmath.h
parentb8515d8e0376e300ed17598f0288fad0e6ae0d89 (diff)
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sensors: Merge invensense HAL into main tuna HAL.
Since these are both in our device tree now, there's no need to have them be separated. This saves about 14KB of space as well. Change-Id: Ibfcd7da4b30bb261586ecd9373e6fd4a343e0e06
Diffstat (limited to 'libsensors/mlsdk/platform/include/mlmath.h')
-rw-r--r--libsensors/mlsdk/platform/include/mlmath.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/libsensors/mlsdk/platform/include/mlmath.h b/libsensors/mlsdk/platform/include/mlmath.h
new file mode 100644
index 0000000..424a43b
--- /dev/null
+++ b/libsensors/mlsdk/platform/include/mlmath.h
@@ -0,0 +1,107 @@
+/*
+ $License:
+ Copyright 2011 InvenSense, Inc.
+
+ 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.
+ $
+ */
+/*******************************************************************************
+ *
+ * $Id: mlmath.h 5629 2011-06-11 03:13:08Z mcaramello $
+ *
+ *******************************************************************************/
+
+#ifndef _ML_MATH_H_
+#define _ML_MATH_H_
+
+#ifndef MLMATH
+// This define makes Microsoft pickup things like M_PI
+#define _USE_MATH_DEFINES
+#include <math.h>
+
+#ifdef WIN32
+// Microsoft doesn't follow standards
+#define round(x)(((double)((long long)((x)>0?(x)+.5:(x)-.5))))
+#define roundf(x)(((float )((long long)((x)>0?(x)+.5f:(x)-.5f))))
+#endif
+
+#else // MLMATH
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/* MPL needs below functions */
+double ml_asin(double);
+double ml_atan(double);
+double ml_atan2(double, double);
+double ml_log(double);
+double ml_sqrt(double);
+double ml_ceil(double);
+double ml_floor(double);
+double ml_cos(double);
+double ml_sin(double);
+double ml_acos(double);
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+/*
+ * We rename functions here to provide the hook for other
+ * customized math functions.
+ */
+#define sqrt(x) ml_sqrt(x)
+#define log(x) ml_log(x)
+#define asin(x) ml_asin(x)
+#define atan(x) ml_atan(x)
+#define atan2(x,y) ml_atan2(x,y)
+#define ceil(x) ml_ceil(x)
+#define floor(x) ml_floor(x)
+#define fabs(x) (((x)<0)?-(x):(x))
+#define round(x) (((double)((long long)((x)>0?(x)+.5:(x)-.5))))
+#define roundf(x) (((float )((long long)((x)>0?(x)+.5f:(x)-.5f))))
+#define cos(x) ml_cos(x)
+#define sin(x) ml_sin(x)
+#define acos(x) ml_acos(x)
+
+#define pow(x,y) ml_pow(x,y)
+
+#ifdef LINUX
+/* stubs for float version of math functions */
+#define cosf(x) ml_cos(x)
+#define sinf(x) ml_sin(x)
+#define atan2f(x,y) ml_atan2(x,y)
+#define sqrtf(x) ml_sqrt(x)
+#endif
+
+
+
+#endif // MLMATH
+
+#ifndef M_PI
+#define M_PI 3.14159265358979
+#endif
+
+#ifndef ABS
+#define ABS(x) (((x)>=0)?(x):-(x))
+#endif
+
+#ifndef MIN
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#endif
+
+#ifndef MAX
+#define MAX(x,y) (((x)>(y))?(x):(y))
+#endif
+
+/*---------------------------*/
+#endif /* !_ML_MATH_H_ */