| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // 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_ |
| |