Stan Math Library  2.20.0
reverse mode automatic differentiation
fma.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_FMA_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_FMA_HPP
3 
5 #include <boost/math/tools/promotion.hpp>
6 
7 namespace stan {
8 namespace math {
9 
23 template <typename T1, typename T2, typename T3>
24 inline typename boost::math::tools::promote_args<T1, T2, T3>::type fma(
25  const T1& x, const T2& y, const T3& z) {
26  return x * y + z;
27 }
28 
29 } // namespace math
30 } // namespace stan
31 #endif
fvar< typename stan::return_type< T1, T2, T3 >::type > fma(const fvar< T1 > &x1, const fvar< T2 > &x2, const fvar< T3 > &x3)
The fused multiply-add operation (C99).
Definition: fma.hpp:59

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