// Copyright 2016 the V8 project authors. All rights reserved. // Copyright 2020 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef THIRD_PARTY_FDLIBM_IEEE754_H_ #define THIRD_PARTY_FDLIBM_IEEE754_H_ namespace fdlibm { // Returns the arc cosine of |x|; that is the value whose cosine is |x|. double acos(double x); // Returns the inverse hyperbolic cosine of |x|; that is the value whose // hyperbolic cosine is |x|. double acosh(double x); // Returns the arc sine of |x|; that is the value whose sine is |x|. double asin(double x); // Returns the inverse hyperbolic sine of |x|; that is the value whose // hyperbolic sine is |x|. double asinh(double x); // Returns the principal value of the arc tangent of |x|; that is the value // whose tangent is |x|. double atan(double x); // Returns the principal value of the arc tangent of |y/x|, using the signs of // the two arguments to determine the quadrant of the result. double atan2(double y, double x); // Returns the cosine of |x|, where |x| is given in radians. double cos(double x); // Returns the base-e exponential of |x|. double exp(double x); double atanh(double x); // Returns the natural logarithm of |x|. double log(double x); // Returns a value equivalent to |log(1+x)|, but computed in a way that is // accurate even if the value of |x| is near zero. double log1p(double x); // Returns the base 2 logarithm of |x|. double log2(double x); // Returns the base 10 logarithm of |x|. double log10(double x); // Returns the cube root of |x|. double cbrt(double x); // Returns exp(x)-1, the exponential of |x| minus 1. double expm1(double x); // Returns |x| to the power of |y|. // The result of base ** exponent when base is 1 or -1 and exponent is // +Infinity or -Infinity differs from IEEE 754-2008. The first edition // of ECMAScript specified a result of NaN for this operation, whereas // later versions of IEEE 754-2008 specified 1. The historical ECMAScript // behaviour is preserved for compatibility reasons. double pow(double x, double y); // Returns the sine of |x|, where |x| is given in radians. double sin(double x); // Returns the tangent of |x|, where |x| is given in radians. double tan(double x); // Returns the hyperbolic cosine of |x|, where |x| is given radians. double cosh(double x); // Returns the hyperbolic sine of |x|, where |x| is given radians. double sinh(double x); // Returns the hyperbolic tangent of |x|, where |x| is given radians. double tanh(double x); // NOTE(caraitto): These functions are not present in the V8 math library -- // they are defined in terms of other functions. float powf(float x, float y); float expf(float x); float log10f(float x); float sinf(double x); float asinf(double x); } // namespace fdlibm #endif // THIRD_PARTY_FDLIBM_IEEE754_H_