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Partial cleanup of util/lp/*

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This commit is contained in:
Christoph M. Wintersteiger 2017-09-17 16:00:06 +01:00
parent 00651f8f21
commit d61b722b68
109 changed files with 3503 additions and 2023 deletions
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31
src/util/lp/scaler.hpp
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@ -1,11 +1,26 @@
/*
Copyright (c) 2017 Microsoft Corporation
Author: Lev Nachmanson
*/
/*++
Copyright (c) 2017 Microsoft Corporation
Module Name:
<name>
Abstract:
<abstract>
Author:
Lev Nachmanson (levnach)
Revision History:
--*/
#include <algorithm>
#include "util/lp/scaler.h"
#include "util/lp/numeric_pair.h"
namespace lean {
namespace lp {
// for scaling an LP
template <typename T, typename X> T scaler<T, X>::right_side_balance() {
T ret = zero_of_type<T>();
@ -41,7 +56,7 @@ template <typename T, typename X> T scaler<T, X>::A_max() const {
template <typename T, typename X> T scaler<T, X>::get_A_ratio() const {
T min = A_min();
T max = A_max();
lean_assert(!m_settings.abs_val_is_smaller_than_zero_tolerance(min));
SASSERT(!m_settings.abs_val_is_smaller_than_zero_tolerance(min));
T ratio = max / min;
return ratio;
}
@ -51,7 +66,7 @@ template <typename T, typename X> T scaler<T, X>::get_max_ratio_on_rows() con
unsigned i = m_A.row_count();
while (i--) {
T den = m_A.get_min_abs_in_row(i);
lean_assert(!m_settings.abs_val_is_smaller_than_zero_tolerance(den));
SASSERT(!m_settings.abs_val_is_smaller_than_zero_tolerance(den));
T t = m_A.get_max_abs_in_row(i)/ den;
if (t > ret)
ret = t;
@ -78,7 +93,7 @@ template <typename T, typename X> void scaler<T, X>::scale_rows_with_geometri
while (i--) {
T max = m_A.get_max_abs_in_row(i);
T min = m_A.get_min_abs_in_row(i);
lean_assert(max > zero_of_type<T>() && min > zero_of_type<T>());
SASSERT(max > zero_of_type<T>() && min > zero_of_type<T>());
if (is_zero(max) || is_zero(min))
continue;
T gm = T(sqrt(numeric_traits<T>::get_double(max*min)));