diff options
Diffstat (limited to 'libsensors/mlsdk/platform/include/mlmath.h')
| -rw-r--r-- | libsensors/mlsdk/platform/include/mlmath.h | 107 |
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_ */ |