| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| // Double-precision floating point helper functions. |
| |
| #ifndef STARBOARD_DOUBLE_H_ |
| #define STARBOARD_DOUBLE_H_ |
| |
| #include "starboard/export.h" |
| #include "starboard/types.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Floors double-precision floating-point number |d| to the nearest integer. |
| SB_EXPORT double SbDoubleFloor(const double d); |
| |
| // Returns the absolute value of the given double-precision floating-point |
| // number |d|, preserving NaN and Infinity. |
| SB_EXPORT double SbDoubleAbsolute(const double d); |
| |
| // Returns |base| taken to the power of |exponent|. |
| SB_EXPORT double SbDoubleExponent(const double base, const double exponent); |
| |
| // Determines whether double-precision floating-point number |d| represents a |
| // fininte number. |
| SB_EXPORT bool SbDoubleIsFinite(const double d); |
| |
| // Determines whether double-precision floating-point number |d| represents "Not |
| // a Number." |
| SB_EXPORT bool SbDoubleIsNan(const double d); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // STARBOARD_DOUBLE_H_ |