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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 
10 namespace v8 {
11 namespace base {
12 namespace ieee754 {
13 
14 // Returns the arc cosine of |x|; that is the value whose cosine is |x|.
15 V8_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|.
19 V8_BASE_EXPORT double acosh(double x);
20 
21 // Returns the arc sine of |x|; that is the value whose sine is |x|.
22 V8_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|.
26 V8_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|.
30 V8_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.
34 V8_BASE_EXPORT double atan2(double y, double x);
35 
36 // Returns the cosine of |x|, where |x| is given in radians.
37 V8_BASE_EXPORT double cos(double x);
38 
39 // Returns the base-e exponential of |x|.
40 V8_BASE_EXPORT double exp(double x);
41 
42 V8_BASE_EXPORT double atanh(double x);
43 
44 // Returns the natural logarithm of |x|.
45 V8_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.
49 V8_BASE_EXPORT double log1p(double x);
50 
51 // Returns the base 2 logarithm of |x|.
52 V8_BASE_EXPORT double log2(double x);
53 
54 // Returns the base 10 logarithm of |x|.
55 V8_BASE_EXPORT double log10(double x);
56 
57 // Returns the cube root of |x|.
58 V8_BASE_EXPORT double cbrt(double x);
59 
60 // Returns exp(x)-1, the exponential of |x| minus 1.
61 V8_BASE_EXPORT double expm1(double x);
62 
63 // Returns the sine of |x|, where |x| is given in radians.
64 V8_BASE_EXPORT double sin(double x);
65 
66 // Returns the tangent of |x|, where |x| is given in radians.
67 V8_BASE_EXPORT double tan(double x);
68 
69 // Returns the hyperbolic cosine of |x|, where |x| is given radians.
70 V8_BASE_EXPORT double cosh(double x);
71 
72 // Returns the hyperbolic sine of |x|, where |x| is given radians.
73 V8_BASE_EXPORT double sinh(double x);
74 
75 // Returns the hyperbolic tangent of |x|, where |x| is given radians.
76 V8_BASE_EXPORT double tanh(double x);
77 
78 }  // namespace ieee754
79 }  // namespace base
80 }  // namespace v8
81 
82 #endif  // V8_BASE_IEEE754_H_
83