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f5263c9 Stephen Williams Add the va_math module and constants.vams include file.
authored
1 // Mathematical and physical constants
2
3 `ifdef CONSTANTS_VAMS
4 `else
5 `define CONSTANTS_VAMS 1
6694912 Larry Doolittle Non-controversial whitespace cleanup
ldoolitt authored
6
f5263c9 Stephen Williams Add the va_math module and constants.vams include file.
authored
7 // M_ is a mathematical constant
8 `define M_E 2.7182818284590452354
9 `define M_LOG2E 1.4426950408889634074
10 `define M_LOG10E 0.43429448190325182765
11 `define M_LN2 0.69314718055994530942
12 `define M_LN10 2.30258509299404568402
13 `define M_PI 3.14159265358979323846
14 `define M_TWO_PI 6.28318530717958647693
15 `define M_PI_2 1.57079632679489661923
16 `define M_PI_4 0.78539816339744830962
17 `define M_1_PI 0.31830988618379067154
18 `define M_2_PI 0.63661977236758134308
19 `define M_2_SQRTPI 1.12837916709551257390
20 `define M_SQRT2 1.41421356237309504880
21 `define M_SQRT1_2 0.70710678118654752440
22
23 /*
24 * Do we need these? For now they are not available.
25 *
26 // The following constants have been taken from http://physics.nist.gov
27 // P_ is a physical constant
28 // charge of electron in coulombs
29 `define P_Q 1.602176462e-19
30 // speed of light in vacuum in meters/sec
31 `define P_C 2.99792458e8
32 // Boltzmann's constant in joules/kelvin
33 `define P_K 1.3806503e-23
34 // Planck's constant in joules*sec
35 `define P_H 6.62606876e-34
36 // permittivity of vacuum in farads/meter
37 `define P_EPS0 8.854187817e-12
38 // permeability of vacuum in henrys/meter
39 `define P_U0 (4.0e-7 * `M_PI)
40 // zero celsius in kelvin
41 `define P_CELSIUS0 273.15
42 */
43 `endif
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