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 8namespace v8 { 9namespace base { 10namespace ieee754 { 11 12// Returns the principal value of the arc tangent of |x|; that is the value 13// whose tangent is |x|. 14double atan(double x); 15 16// Returns the principal value of the arc tangent of |y/x|, using the signs of 17// the two arguments to determine the quadrant of the result. 18double atan2(double y, double x); 19 20// Returns the cosine of |x|, where |x| is given in radians. 21double cos(double x); 22 23// Returns the base-e exponential of |x|. 24double exp(double x); 25 26double atanh(double x); 27 28// Returns the natural logarithm of |x|. 29double log(double x); 30 31// Returns a value equivalent to |log(1+x)|, but computed in a way that is 32// accurate even if the value of |x| is near zero. 33double log1p(double x); 34 35// Returns the base 2 logarithm of |x|. 36double log2(double x); 37 38// Returns the base 10 logarithm of |x|. 39double log10(double x); 40 41// Returns the cube root of |x|. 42double cbrt(double x); 43 44// Returns exp(x)-1, the exponential of |x| minus 1. 45double expm1(double x); 46 47// Returns the sine of |x|, where |x| is given in radians. 48double sin(double x); 49 50// Returns the tangent of |x|, where |x| is given in radians. 51double tan(double x); 52 53} // namespace ieee754 54} // namespace base 55} // namespace v8 56 57#endif // V8_BASE_IEEE754_H_ 58