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rename new_lemma to lemma_builder

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-06-25 06:04:07 -07:00 • committed by Lev Nachmanson
parent 2f2289eaff
commit 5bda42e104
17 changed files with 135 additions and 115 deletions
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18
src/math/lp/nla_powers.cpp
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@ -89,7 +89,7 @@ namespace nla {
lemmas.reset();
auto x_exp_0 = [&]() {
new_lemma lemma(c, "x != 0 => x^0 = 1");
lemma_builder lemma(c, "x != 0 => x^0 = 1");
lemma |= ineq(x, llc::EQ, rational::zero());
lemma |= ineq(y, llc::NE, rational::zero());
lemma |= ineq(r, llc::EQ, rational::one());
@ -97,7 +97,7 @@ namespace nla {
};
auto zero_exp_y = [&]() {
new_lemma lemma(c, "y != 0 => 0^y = 0");
lemma_builder lemma(c, "y != 0 => 0^y = 0");
lemma |= ineq(x, llc::NE, rational::zero());
lemma |= ineq(y, llc::EQ, rational::zero());
lemma |= ineq(r, llc::EQ, rational::zero());
@ -105,14 +105,14 @@ namespace nla {
};
auto x_gt_0 = [&]() {
new_lemma lemma(c, "x > 0 => x^y > 0");
lemma_builder lemma(c, "x > 0 => x^y > 0");
lemma |= ineq(x, llc::LE, rational::zero());
lemma |= ineq(r, llc::GT, rational::zero());
return l_false;
};
auto y_lt_1 = [&]() {
new_lemma lemma(c, "x > 1, y < 0 => x^y < 1");
lemma_builder lemma(c, "x > 1, y < 0 => x^y < 1");
lemma |= ineq(x, llc::LE, rational::one());
lemma |= ineq(y, llc::GE, rational::zero());
lemma |= ineq(r, llc::LT, rational::one());
@ -120,7 +120,7 @@ namespace nla {
};
auto y_gt_1 = [&]() {
new_lemma lemma(c, "x > 1, y > 0 => x^y > 1");
lemma_builder lemma(c, "x > 1, y > 0 => x^y > 1");
lemma |= ineq(x, llc::LE, rational::one());
lemma |= ineq(y, llc::LE, rational::zero());
lemma |= ineq(r, llc::GT, rational::one());
@ -128,7 +128,7 @@ namespace nla {
};
auto x_ge_3 = [&]() {
new_lemma lemma(c, "x >= 3, y != 0 => x^y > ln(x)y + 1");
lemma_builder lemma(c, "x >= 3, y != 0 => x^y > ln(x)y + 1");
lemma |= ineq(x, llc::LT, rational(3));
lemma |= ineq(y, llc::EQ, rational::zero());
lemma |= ineq(lp::lar_term(r, rational::minus_one(), y), llc::GT, rational::one());
@ -172,21 +172,21 @@ namespace nla {
if (rval == r2val)
return l_true;
if (c.random() % 2 == 0) {
new_lemma lemma(c, "x == x0, y == y0 => r = x0^y0");
lemma_builder lemma(c, "x == x0, y == y0 => r = x0^y0");
lemma |= ineq(x, llc::NE, xval);
lemma |= ineq(y, llc::NE, yval);
lemma |= ineq(r, llc::EQ, r2val);
return l_false;
}
if (yval > 0 && r2val > rval) {
new_lemma lemma(c, "x >= x0 > 0, y >= y0 > 0 => r >= x0^y0");
lemma_builder lemma(c, "x >= x0 > 0, y >= y0 > 0 => r >= x0^y0");
lemma |= ineq(x, llc::LT, xval);
lemma |= ineq(y, llc::LT, yval);
lemma |= ineq(r, llc::GE, r2val);
return l_false;
}
if (r2val < rval) {
new_lemma lemma(c, "0 < x <= x0, y <= y0 => r <= x0^y0");
lemma_builder lemma(c, "0 < x <= x0, y <= y0 => r <= x0^y0");
lemma |= ineq(x, llc::LE, rational::zero());
lemma |= ineq(x, llc::GT, xval);
lemma |= ineq(y, llc::GT, yval);