1// Copyright 2016 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef V8_BASE_IEEE754_H_ 6#define V8_BASE_IEEE754_H_ 7 8#include "src/base/base-export.h" 9 10namespace v8 { 11namespace base { 12namespace ieee754 { 13 14// Returns the arc cosine of |x|; that is the value whose cosine is |x|. 15V8_BASE_EXPORT double acos(double x); 16 17// Returns the inverse hyperbolic cosine of |x|; that is the value whose 18// hyperbolic cosine is |x|. 19V8_BASE_EXPORT double acosh(double x); 20 21// Returns the arc sine of |x|; that is the value whose sine is |x|. 22V8_BASE_EXPORT double asin(double x); 23 24// Returns the inverse hyperbolic sine of |x|; that is the value whose 25// hyperbolic sine is |x|. 26V8_BASE_EXPORT double asinh(double x); 27 28// Returns the principal value of the arc tangent of |x|; that is the value 29// whose tangent is |x|. 30V8_BASE_EXPORT double atan(double x); 31 32// Returns the principal value of the arc tangent of |y/x|, using the signs of 33// the two arguments to determine the quadrant of the result. 34V8_BASE_EXPORT double atan2(double y, double x); 35 36// Returns the cosine of |x|, where |x| is given in radians. 37V8_BASE_EXPORT double cos(double x); 38 39// Returns the base-e exponential of |x|. 40V8_BASE_EXPORT double exp(double x); 41 42V8_BASE_EXPORT double atanh(double x); 43 44// Returns the natural logarithm of |x|. 45V8_BASE_EXPORT double log(double x); 46 47// Returns a value equivalent to |log(1+x)|, but computed in a way that is 48// accurate even if the value of |x| is near zero. 49V8_BASE_EXPORT double log1p(double x); 50 51// Returns the base 2 logarithm of |x|. 52V8_BASE_EXPORT double log2(double x); 53 54// Returns the base 10 logarithm of |x|. 55V8_BASE_EXPORT double log10(double x); 56 57// Returns the cube root of |x|. 58V8_BASE_EXPORT double cbrt(double x); 59 60// Returns exp(x)-1, the exponential of |x| minus 1. 61V8_BASE_EXPORT double expm1(double x); 62 63// Returns the sine of |x|, where |x| is given in radians. 64V8_BASE_EXPORT double sin(double x); 65 66// Returns the tangent of |x|, where |x| is given in radians. 67V8_BASE_EXPORT double tan(double x); 68 69// Returns the hyperbolic cosine of |x|, where |x| is given radians. 70V8_BASE_EXPORT double cosh(double x); 71 72// Returns the hyperbolic sine of |x|, where |x| is given radians. 73V8_BASE_EXPORT double sinh(double x); 74 75// Returns the hyperbolic tangent of |x|, where |x| is given radians. 76V8_BASE_EXPORT double tanh(double x); 77 78} // namespace ieee754 79} // namespace base 80} // namespace v8 81 82#endif // V8_BASE_IEEE754_H_ 83