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