Static analysis changes.

Author: markrogoyski

.github/workflows/test_develop_and_master.yml

@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.2']
+        php: ['8.4']
 
     steps:
       - name: Set up PHP

.github/workflows/test_other_branches.yml

@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.4']
+        php: ['8.4']
 
     steps:
       - name: Set up PHP

.github/workflows/test_pull_request.yml

@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['7.2']
+        php: ['8.4']
 
     steps:
       - name: Set up PHP

Makefile

@@ -12,7 +12,7 @@ style :
 	vendor/bin/phpcs --standard=tests/coding_standard.xml --ignore=vendor -s .
 
 phpstan :
-	vendor/bin/phpstan analyze -c tests/phpstan.neon
+	vendor/bin/phpstan analyze -c tests/phpstan.neon --memory-limit 1G
 
 phpmd :
 	vendor/bin/phpmd src/ ansi cleancode,codesize,design,unusedcode,naming

src/LinearAlgebra/NumericMatrix.php

@@ -1283,13 +1283,11 @@ public function multiply($B): NumericMatrix
             $R[$i] = \array_fill(0, $B->n, 0);
             foreach ($Bᵀ as $j => $Bᶜᵒˡ⟦j⟧) {
                 foreach ($Aʳᵒʷ⟦i⟧ as $k => $A⟦i⟧⟦k⟧) {
-                    // @phpstan-ignore-next-line (Remove in PHP 8.0, no longer returns false)
                     $R[$i][$j] += $A⟦i⟧⟦k⟧ * $Bᶜᵒˡ⟦j⟧[$k];
                 }
             }
         }
 
-        // @phpstan-ignore-next-line (Due to above false from array_fill)
         return MatrixFactory::createNumeric($R, $this->ε);
     }