pow.h

Go to the documentation of this file.

// (c) IMT - Information Management Technology AG, CH-9470 Buchs, www.imt.ch.
//
// ActiveParts (AP) and the corresponding Data Flow Framework (DFF) is invented and designed by Jakob Daescher.
// ANY USE OF THIS CODE CONSTITUTES ACCEPTANCE OF THE TERMS OF THE COPYRIGHT NOTICE.
// ===================================================================================================
// COPYRIGHT NOTICE
// ===================================================================================================
// Copyright (C) 2005-2075, IMT Information Management Technology AG, 9470 Buchs, Switzerland
// All rights reserved.
// This code is proprietary software of IMT Information Management Technology AG (hereinafter: "IMT").
// Proprietary software is computer software licensed under exclusive legal right of IMT.
//
// The licensee is given the irrevocable, perpetual, worldwide, non-exclusive right and license to use,
// execute and reproduce the software in binary form within the licensed products.
//
// Redistribution and use in source forms, without modification, are permitted provided that the following conditions are met:
// (1) Copying of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
// (2) Copying of source code is only allowed for regulatory documentation and archiving purposes
// (3) 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.
//
// IMT provide no reassurances that the source code provided does not infringe
// any patent, copyright, or any other intellectual property rights of third parties.
// IMT disclaim any liability to any recipient for claims brought against
// recipient by any third party for infringement of that parties intellectual property rights.
//
// THIS SOFTWARE IS PROVIDED BY IMT 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 IMT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCURE-MENT 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.
// ===================================================================================================
 
#ifndef MATH_POW_H
#define MATH_POW_H
 
#include <Imt.Base.Core.Math/MathConfigApp.h>
#include <Imt.Base.Core.Platform/Platform.h>
 
#ifndef CUSTOM_POW
#ifdef USE_STL
#include <cmath>
#else
#include "openlibm/inc/openlibm.h"
#endif // USE_STL
#endif // CUSTOM_POW
 
// Define for required inline when CUSTOM function isn't overwritten by user.
#ifndef CUSTOM_POW
#define MATH_INLINE inline
#else
#define MATH_INLINE
#endif
 
namespace imt {
namespace base {
namespace core {
namespace math {
namespace function {
 
MATH_INLINE int32_t pow(int32_t const base, int32_t const exp);
MATH_INLINE float64_t pow(float64_t const base, int32_t const exp);
MATH_INLINE float32_t pow(float32_t const base, int32_t const exp);
MATH_INLINE float64_t pow(float64_t const base, float64_t const exp);
MATH_INLINE float32_t pow(float32_t const base, float32_t const exp);
 
#ifndef CUSTOM_POW
 
float64_t pow(float64_t const base, int32_t const exp) {
#ifdef USE_STL
    return std::pow(base, exp);
#else
    return c_pow(base, exp);
#endif //USE_STL
}
 
float32_t pow(float32_t const base, int32_t const exp) {
#ifdef USE_STL
    return static_cast<float32_t>(std::pow(static_cast<float64_t>(base), exp));
#else
    return static_cast<float32_t>(pow(static_cast<float64_t>(base), exp));
#endif //USE_STL
}
 
int32_t pow(int32_t const base, int32_t const exp) {
#ifdef USE_STL
    return static_cast<int32_t>(std::pow(base, exp));
#else
    return static_cast<int32_t>(pow(static_cast<float64_t>(base), exp));
#endif //USE_STL
}
 
float32_t pow(float32_t const base, float32_t const exp) {
#ifdef USE_STL
    return std::pow(base, exp);
#else
    return c_powf(base, exp);
#endif //USE_STL
}
 
float64_t pow(float64_t const base, float64_t const exp) {
#ifdef USE_STL
    return std::pow(base, exp);
#else
    return c_pow(base, exp);
#endif //USE_STL
}
 
#endif // CUSTOM_POW
 
} // namespace function
} // namespace math
} // namespace core
} // namespace base
} // namespace imt
 
#endif // MATH_POW_H