fixed one-off error and improved call-logic

This commit is contained in:
Bernhard Schoeffel 2025-04-02 11:19:17 +02:00
parent 364590c563
commit 3926d8d0c7

View File

@ -53,8 +53,9 @@ def _max_sequence_3_sub(z: MemoryArray, l: Literal, m: Literal, r: Literal):
# find max-sum from Middle to right
rechtsMax = MemoryCell(MIN_VALUE)
sum.set(0);
# MRange is exclusive
startRight = MemoryCell(1) + m
for i in mrange(startRight, r):
for i in mrange(startRight, MemoryCell(1) + r):
sum += z[i]
if sum > rechtsMax:
rechtsMax.set(sum)
@ -63,6 +64,7 @@ def _max_sequence_3_sub(z: MemoryArray, l: Literal, m: Literal, r: Literal):
def _max_sequence_3(z: MemoryArray, l: Literal, r: Literal):
# Calc-Vars -> illegal to use Literal(0) here? Probably
# CAN ALLLL BE LITERALS
linksMax = MemoryCell()
linksL = MemoryCell()
linksR = MemoryCell()
@ -79,7 +81,8 @@ def _max_sequence_3(z: MemoryArray, l: Literal, r: Literal):
return (z[l], l, r)
# calc middle
m.set(MemoryCell(l) + r)
m /= Literal(2);
# Use cutoff/floor here, did not check
m //= Literal(2);
# get maxLeft, then maxRight and then cross them (rec)
(linksMax, linksL, linksR) = _max_sequence_3(z, l, m)
startRight = MemoryCell(1) + m
@ -152,9 +155,11 @@ def analyze_complexity(max_sequence_func, sizes):
if __name__ == '__main__':
fn = max_sequence_4
# fn = max_sequence_4
for fn in [max_sequence_1, max_sequence_2, max_sequence_3, max_sequence_4]:
example(fn)
for filename in ["data/seq0.txt", "data/seq1.txt", "data/seq2.txt"]:
# for filename in ["data/seq0.txt", "data/seq1.txt", "data/seq2.txt", "data/seq3.txt"]:
for filename in ["data/seq0.txt", "data/seq1.txt"]:
print(filename)
seq(filename, fn)
analyze_complexity(fn, [10, 20, 30, 40, 50, 60, 70, 80, 90, 100])