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test horner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-11 12:43:47 -07:00
parent 8e21342549
commit ad9ecad73c
3 changed files with 47 additions and 13 deletions
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2
src/math/lp/horner.h
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@ -28,9 +28,9 @@ class core;
class horner : common {
typedef nla_expr<rational> nex;
intervals m_intervals;
public:
typedef nla_expr<rational> nex;
horner(core *core);
void horner_lemmas();

35
src/math/lp/nla_expr.h
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@ -17,6 +17,7 @@ Revision History:
--*/
#pragma once
#include <initializer_list>
#include "math/lp/nla_defs.h"
namespace nla {
enum class expr_type { SUM, MUL, VAR, SCALAR, UNDEF };
@ -157,21 +158,33 @@ public:
m_children.push_back(e);
}
static nla_expr sum(const nla_expr& v, const nla_expr & w) {
nla_expr r(expr_type::SUM);
r.add_child(v);
r.add_child(w);
return r;
void add_child(const T& k) {
m_children.push_back(scalar(k));
}
static nla_expr mul(const nla_expr& v, const nla_expr & w) {
nla_expr r(expr_type::MUL);
r.add_child(v);
r.add_child(w);
void add_children() { }
template <typename K, typename ...Args>
void add_children(K e, Args ... es) {
add_child(e);
add_children(es ...);
}
template <typename K, typename ... Args>
static nla_expr sum(K e, Args ... es) {
nla_expr r(expr_type::SUM);
r.add_children(e, es...);
return r;
}
static nla_expr mul(const T& v, const nla_expr & w) {
template <typename K, typename ... Args>
static nla_expr mul(K e, Args ... es) {
nla_expr r(expr_type::MUL);
r.add_children(e, es...);
return r;
}
static nla_expr mul(const T& v, nla_expr & w) {
if (v == 1)
return w;
nla_expr r(expr_type::MUL);