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Sacado_cmath.hpp
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29 
30 #ifndef SACADO_CMATH_HPP
31 #define SACADO_CMATH_HPP
32 
33 #include <cmath> // for most math functions
34 #include "Sacado_ConfigDefs.h"
35 
36 // Define some math functions that aren't usually in cmath
37 #if !( (defined(_GLIBCXX_USE_C99_MATH_TR1) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || defined(HAVE_SACADO_CXX11) || defined(HAS_C99_TR1_CMATH) || defined(USER_DISABLE_SACADO_TR1_CMATH) )
38 namespace std {
39  inline float acosh(float x) {
40  return std::log(x + std::sqrt(x*x - float(1.0))); }
41  inline float asinh(float x) {
42  return std::log(x + std::sqrt(x*x + float(1.0))); }
43  inline float atanh(float x) {
44  return float(0.5)*std::log((float(1.0)+x)/(float(1.0)-x)); }
45 
46  inline double acosh(double x) {
47  return std::log(x + std::sqrt(x*x - double(1.0))); }
48  inline double asinh(double x) {
49  return std::log(x + std::sqrt(x*x + double(1.0))); }
50  inline double atanh(double x) {
51  return double(0.5)*std::log((double(1.0)+x)/(double(1.0)-x)); }
52 }
53 #endif // HAS_C99_TR1_CMATH
54 
55 namespace Sacado {
56 
57  // Replacement for ternary operator, for scalar types that don't implement
58  // logical operations that return bool, e.g., a simd scalar type that returns
59  // a simd bool. Sacado overloaded operators use this internally when ever
60  // the ternary operator would be used. It can also be used by client code.
61  template <typename Cond, typename T>
63  T if_then_else(const Cond cond, const T& a, const T& b) {
64  return cond ? a : b;
65  }
66 
67 }
68 
69 #endif // SACADO_CMATH_HPP
asinh(expr.val())
atanh(expr.val())
#define KOKKOS_INLINE_FUNCTION
#define T
Definition: Sacado_rad.hpp:573
sqrt(expr.val())
log(expr.val())
acosh(expr.val())
KOKKOS_INLINE_FUNCTION T if_then_else(const Cond cond, const T &a, const T &b)