From 73e282a2dee603e3760f96d52f95cde1dc60218d Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Wed, 3 Jan 2024 15:33:47 +0100
Subject: [PATCH 01/13] (#109) added latex for formula 9.1N

---
 .../formula_9_1n.py                           | 23 +++++++++++++++++++
 .../test_formula_9_1n.py                      | 16 +++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index 40f1b596..461b2538 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -1,6 +1,7 @@
 """Formula 9.1N from NEN-EN 1992-1-1+C2:2011: Chapter 9 - Detailing of members and particular rules."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
+from blueprints.codes.latex_formula import LatexFormula, latex_fraction, max_curly_brackets_latex, value_to_latex_text
 from blueprints.type_alias import MM, MM2, MPA
 from blueprints.validations import raise_if_negative
 
@@ -57,3 +58,25 @@ def _evaluate(
         """For more detailed documentation see the class docstring."""
         raise_if_negative(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
         return max(0.26 * (f_ctm / f_yk) * b_t * d, 0.0013 * b_t * d)
+
+    def latex(self) -> LatexFormula:
+        """Returns LatexFormula object for formula 9.1N."""
+        return LatexFormula(
+            return_symbol="A_{s,min}",
+            result=value_to_latex_text(self),
+            equation=max_curly_brackets_latex(
+                value_to_latex_text(0.26) + r"\cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d",
+                value_to_latex_text(0.0013) + r"\cdot b_t \cdot d",
+            ),
+            numeric_equation=max_curly_brackets_latex(
+                value_to_latex_text(0.26)
+                + r"\cdot"
+                + latex_fraction(self.f_ctm, self.f_yk)
+                + r"\cdot"
+                + value_to_latex_text(self.b_t)
+                + r"\cdot"
+                + value_to_latex_text(self.d),
+                value_to_latex_text(0.0013) + r"\cdot" + value_to_latex_text(self.b_t) + r"\cdot" + value_to_latex_text(self.d),
+            ),
+            comparison_operator_label="=",
+        )
diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
index 0fd1ca3a..c73226a3 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
@@ -81,3 +81,19 @@ def test_raise_error_when_negative_d_is_given(self) -> None:
 
         with pytest.raises(NegativeValueError):
             Form9Dot1NMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
+
+    def test_latex(self) -> None:
+        """Test the latex representation."""
+        # Example values
+        f_ctm = 2  # MPa
+        f_yk = 355  # MPa
+        b_t = 50  # mm
+        d = 150  # mm
+        form = Form9Dot1NMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
+
+        assert form.latex().complete == (
+            r"A_{s,min} = \max \left\{\text{0.26}\cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; \text{0.0013}\cdot b_t "
+            r"\cdot d\right\} = \max \left\{\text{0.26}\cdot\frac{2}{355}\cdot\text{50}\cdot\text{150}; \text{0.0013}"
+            r"\cdot\text{50}\cdot\text{150}\right\} = \text{10.985915492957748}"
+        )
+        assert form.latex().short == r"A_{s,min} = \text{10.985915492957748}"

From 671b3a16f3e7bdf677986d0de925ac4be1cec7cc Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Thu, 4 Jan 2024 15:10:18 +0100
Subject: [PATCH 02/13] (#109) updated 9.1N with updates

---
 .../formula_9_1n.py                           | 28 +++++++++----------
 .../test_formula_9_1n.py                      |  8 +++---
 tests/codes/test_latex_formula.py             |  8 +++---
 3 files changed, 21 insertions(+), 23 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index 461b2538..37f9b407 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -1,7 +1,7 @@
 """Formula 9.1N from NEN-EN 1992-1-1+C2:2011: Chapter 9 - Detailing of members and particular rules."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, latex_fraction, max_curly_brackets_latex, value_to_latex_text
+from blueprints.codes.latex_formula import LatexFormula, latex_fraction, latex_max_curly_brackets, latex_value_to_text, latex_variable_with_subscript
 from blueprints.type_alias import MM, MM2, MPA
 from blueprints.validations import raise_if_negative
 
@@ -61,22 +61,20 @@ def _evaluate(
 
     def latex(self) -> LatexFormula:
         """Returns LatexFormula object for formula 9.1N."""
+        latex_f_ctm = latex_variable_with_subscript(variable="f", subscript="ctm")
+        latex_f_yk = latex_variable_with_subscript(variable="f", subscript="yk")
+        latex_b_t = latex_variable_with_subscript(variable="b", subscript="t")
         return LatexFormula(
-            return_symbol="A_{s,min}",
-            result=value_to_latex_text(self),
-            equation=max_curly_brackets_latex(
-                value_to_latex_text(0.26) + r"\cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d",
-                value_to_latex_text(0.0013) + r"\cdot b_t \cdot d",
+            return_symbol=latex_variable_with_subscript(variable="A", subscript="s,min"),
+            result=latex_value_to_text(self),
+            equation=latex_max_curly_brackets(
+                rf"{latex_value_to_text(0.26)} \cdot {latex_fraction(latex_f_ctm, latex_f_yk)} \cdot {latex_b_t} \cdot d",
+                rf"{latex_value_to_text(0.0013)} \cdot {latex_b_t} \cdot d",
             ),
-            numeric_equation=max_curly_brackets_latex(
-                value_to_latex_text(0.26)
-                + r"\cdot"
-                + latex_fraction(self.f_ctm, self.f_yk)
-                + r"\cdot"
-                + value_to_latex_text(self.b_t)
-                + r"\cdot"
-                + value_to_latex_text(self.d),
-                value_to_latex_text(0.0013) + r"\cdot" + value_to_latex_text(self.b_t) + r"\cdot" + value_to_latex_text(self.d),
+            numeric_equation=latex_max_curly_brackets(
+                rf"{latex_value_to_text(0.26)} \cdot {latex_fraction(self.f_ctm, self.f_yk)} \cdot {latex_value_to_text(self.b_t)} \cdot "
+                f"{latex_value_to_text(self.d)}",
+                rf"{latex_value_to_text(0.0013)} \cdot {latex_value_to_text(self.b_t)} \cdot {latex_value_to_text(self.d)}",
             ),
             comparison_operator_label="=",
         )
diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
index c73226a3..b024f62a 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
@@ -92,8 +92,8 @@ def test_latex(self) -> None:
         form = Form9Dot1NMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
 
         assert form.latex().complete == (
-            r"A_{s,min} = \max \left\{\text{0.26}\cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; \text{0.0013}\cdot b_t "
-            r"\cdot d\right\} = \max \left\{\text{0.26}\cdot\frac{2}{355}\cdot\text{50}\cdot\text{150}; \text{0.0013}"
-            r"\cdot\text{50}\cdot\text{150}\right\} = \text{10.985915492957748}"
+            r"A_{\text{s,min}} = \max \left\{\text{0.26} \cdot \frac{f_{\text{ctm}}}{f_{\text{yk}}} \cdot b_{\text{t}} \cdot d; \text{0.0013} \cdot "
+            r"b_{\text{t}} \cdot d\right\} = \max \left\{\text{0.26} \cdot \frac{2}{355} \cdot \text{50} \cdot \text{150}; \text{0.0013} \cdot "
+            r"\text{50} \cdot \text{150}\right\} = \text{10.985915492957748}"
         )
-        assert form.latex().short == r"A_{s,min} = \text{10.985915492957748}"
+        assert form.latex().short == r"A_{\text{s,min}} = \text{10.985915492957748}"
diff --git a/tests/codes/test_latex_formula.py b/tests/codes/test_latex_formula.py
index 88858daa..6523c764 100644
--- a/tests/codes/test_latex_formula.py
+++ b/tests/codes/test_latex_formula.py
@@ -52,10 +52,10 @@ def test_latex_value_to_text() -> None:
     ],
 )
 def test_latex_max_curly_brackets(
-        arg_1: str | float,
-        arg_2: str | float,
-        arg_3: str | float,
-        expected_output: str,
+    arg_1: str | float,
+    arg_2: str | float,
+    arg_3: str | float,
+    expected_output: str,
 ) -> None:
     """Test the latex_max_curly_brackets function."""
     result = latex_max_curly_brackets(arg_1, arg_2, arg_3)

From 0f8b7ae831d338a3c392c56066250231a78e297a Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Fri, 5 Jan 2024 15:35:03 +0100
Subject: [PATCH 03/13] (#109) changed name latex functions

---
 .../formula_9_1n.py                           | 26 +++++++++----------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index 638bb811..57ca6f44 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -1,7 +1,7 @@
 """Formula 9.1N from NEN-EN 1992-1-1+C2:2011: Chapter 9 - Detailing of members and particular rules."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, latex_fraction, latex_max_curly_brackets, latex_value_to_text, latex_variable_with_subscript
+from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets, to_text, variable_with_subscript
 from blueprints.type_alias import MM, MM2, MPA
 from blueprints.validations import raise_if_negative
 
@@ -59,20 +59,20 @@ def _evaluate(
 
     def latex(self) -> LatexFormula:
         """Returns LatexFormula object for formula 9.1N."""
-        latex_f_ctm = latex_variable_with_subscript(variable="f", subscript="ctm")
-        latex_f_yk = latex_variable_with_subscript(variable="f", subscript="yk")
-        latex_b_t = latex_variable_with_subscript(variable="b", subscript="t")
+        latex_f_ctm = variable_with_subscript(variable="f", subscript="ctm")
+        latex_f_yk = variable_with_subscript(variable="f", subscript="yk")
+        latex_b_t = variable_with_subscript(variable="b", subscript="t")
         return LatexFormula(
-            return_symbol=latex_variable_with_subscript(variable="A", subscript="s,min"),
-            result=latex_value_to_text(self),
-            equation=latex_max_curly_brackets(
-                rf"{latex_value_to_text(0.26)} \cdot {latex_fraction(latex_f_ctm, latex_f_yk)} \cdot {latex_b_t} \cdot d",
-                rf"{latex_value_to_text(0.0013)} \cdot {latex_b_t} \cdot d",
+            return_symbol=variable_with_subscript(variable="A", subscript="s,min"),
+            result=to_text(self),
+            equation=max_curly_brackets(
+                rf"{to_text(0.26)} \cdot {fraction(latex_f_ctm, latex_f_yk)} \cdot {latex_b_t} \cdot d",
+                rf"{to_text(0.0013)} \cdot {latex_b_t} \cdot d",
             ),
-            numeric_equation=latex_max_curly_brackets(
-                rf"{latex_value_to_text(0.26)} \cdot {latex_fraction(self.f_ctm, self.f_yk)} \cdot {latex_value_to_text(self.b_t)} \cdot "
-                f"{latex_value_to_text(self.d)}",
-                rf"{latex_value_to_text(0.0013)} \cdot {latex_value_to_text(self.b_t)} \cdot {latex_value_to_text(self.d)}",
+            numeric_equation=max_curly_brackets(
+                rf"{to_text(0.26)} \cdot {fraction(self.f_ctm, self.f_yk)} \cdot {to_text(self.b_t)} \cdot "
+                f"{to_text(self.d)}",
+                rf"{to_text(0.0013)} \cdot {to_text(self.b_t)} \cdot {to_text(self.d)}",
             ),
             comparison_operator_label="=",
         )

From 718a09ac6cb41c0e8da1902b20abdc6bca871df2 Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Fri, 5 Jan 2024 15:42:17 +0100
Subject: [PATCH 04/13] (#109) changed name latex functions

---
 .../chapter_4_durability_and_cover/test_formula_4_2.py     | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
index 73da46d6..01c8440a 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
@@ -140,10 +140,3 @@ def test_latex(self) -> None:
         assert form.latex().complete == expected_latex_formula
 
         assert form.latex().short == r"c_{\text{min}} = \text{15.0}"
-
-        # Possible way to display the latex string and check if it is correct
-        # import matplotlib.pyplot as plt
-        # ax = plt.axes((0, 0, 1, 1))
-        # ax.axis('off')
-        # plt.text(0, 0.5, '$%s$' % expected_latex_formula, size=15, color="black")
-        # plt.show()

From 9cd7f10ae617ee96ad374db65532ca5095e0d873 Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Wed, 24 Jan 2024 09:44:46 +0100
Subject: [PATCH 05/13] (#109) fixed PR

---
 .../formula_4_1.py                            | 26 +++------
 .../formula_4_2.py                            | 57 ++++++-------------
 .../test_formula_4_1.py                       | 16 +-----
 .../test_formula_4_2.py                       | 33 ++---------
 4 files changed, 32 insertions(+), 100 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_1.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_1.py
index 41db97b3..5be0d679 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_1.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_1.py
@@ -1,13 +1,11 @@
 """Formula 4.1 from NEN-EN 1992-1-1+C2:2011: Chapter 4 - Durability and cover to reinforcement."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, to_text, variable_with_subscript
 from blueprints.type_alias import MM
-from blueprints.validations import raise_if_negative
 
 
 class Form4Dot1NominalConcreteCover(Formula):
-    """Class representing the formula 4.1 for the calculation of the nominal concrete cover :math:`c_{nom}` [:math:`mm`]."""
+    """Class representing the formula 4.1 for the calculation of the nominal concrete cover."""
 
     label = "4.1"
     source_document = NEN_EN_1992_1_1_C2_2011
@@ -17,16 +15,16 @@ def __init__(
         c_min: MM,
         delta_c_dev: MM,
     ) -> None:
-        """[:math:`c_{nom}`] Calculates the nominal concrete cover [:math:`mm`].
+        """[cnom] Calculates the nominal concrete cover [mm].
 
         NEN-EN 1992-1-1+C2:2011 art.4.4.1.1 (2) - Formula (4.1)
 
         Parameters
         ----------
         c_min: MM
-            [:math:`c_{min}`] Minimum concrete cover based on art. 4.4.1.2 [:math:`mm`].
+            [cmin] Minimum concrete cover based on art. 4.4.1.2 [mm].
         delta_c_dev: MM
-            [:math:`Δc_{dev}`] Construction tolerance based on art. 4.4.1.3 [:math:`mm`].
+            [Δcdev] Construction tolerance based on art. 4.4.1.3 [mm].
         """
         super().__init__()
         self.c_min = c_min
@@ -38,16 +36,8 @@ def _evaluate(
         delta_c_dev: MM,
     ) -> MM:
         """For more detailed documentation see the class docstring."""
-        raise_if_negative(c_min=c_min, delta_c_dev=delta_c_dev)
+        if c_min < 0:
+            raise ValueError(f"Negative c_min: {c_min}. c_min cannot be negative")
+        if delta_c_dev < 0:
+            raise ValueError(f"Negative delta_c_dev: {delta_c_dev}. delta_c_dev cannot be negative")
         return c_min + delta_c_dev
-
-    def latex(self) -> LatexFormula:
-        """Returns LatexFormula object for formula 4.1."""
-        latex_delta_c_dev = variable_with_subscript(r"\Delta c", "dev")
-        return LatexFormula(
-            return_symbol=variable_with_subscript("c", "nom"),
-            result=to_text(self),
-            equation=f"{variable_with_subscript('c', 'min')}+{latex_delta_c_dev}",
-            numeric_equation=f"{to_text(self.c_min)}+{to_text(self.delta_c_dev)}",
-            comparison_operator_label="=",
-        )
diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_2.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_2.py
index e3b99dab..24d25b50 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_2.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/formula_4_2.py
@@ -1,13 +1,11 @@
 """Formula 4.2 from NEN-EN 1992-1-1+C2:2011: Chapter 4 - Durability and cover to reinforcement."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, max_curly_brackets, to_text, variable_with_subscript
 from blueprints.type_alias import MM
-from blueprints.validations import raise_if_negative
 
 
 class Form4Dot2MinimumConcreteCover(Formula):
-    """Class representing the formula 4.2 for the calculation of the minimum concrete cover :math:`c_{min}` [:math:`mm`]."""
+    """Class representing the formula 4.2 for the calculation of the minimum concrete cover [mm]."""
 
     label = "4.2"
     source_document = NEN_EN_1992_1_1_C2_2011
@@ -20,22 +18,22 @@ def __init__(
         delta_c_dur_st: MM,
         delta_c_dur_add: MM,
     ) -> None:
-        """[:math:`c_{min}`] Calculates the minimum concrete cover [:math:`mm`].
+        """[cmin] Calculates the minimum concrete cover [mm].
 
         NEN-EN 1992-1-1+C2:2011 art.4.4.1.2 (2) - formula (4.2)
 
         Parameters
         ----------
         c_min_b: MM
-            [:math:`c_{min,b}`] The minimum concrete cover based on the adhesion requirements based on art. 4.4.1.2 (3) [:math:`mm`].
+            [cminb] The minimum concrete cover based on the adhesion requirements based on art. 4.4.1.2 (3) [mm].
         c_min_dur: MM
-            [:math:`c_{min,dur}`] The minimum concrete cover based on environmental conditions based on art. 4.4.1.2 (5) [:math:`mm`].
+            [cmindur] The minimum concrete cover based on environmental conditions based on art. 4.4.1.2 (5) [mm].
         delta_c_dur_gamma: MM
-            [:math:`Δc_{dur,γ}`] An additional safety requirement based on art. 4.4.1.2 (6) [:math:`mm`].
+            [Δcdurgamma] An additional safety requirement based on art. 4.4.1.2 (6) [mm].
         delta_c_dur_st: MM
-            [:math:`Δc_{dur,st}`] A reduction of minimum concrete cover when using stainless steel based on art. 4.4.1.2 (7) [:math:`mm`].
+            [Δcdurst] A reduction of minimum concrete cover when using stainless steel based on art. 4.4.1.2 (7) [mm].
         delta_c_dur_add: MM
-            [:math:`Δc_{dur,add}`] A reduction of minimum concrete cover when using additional protection based on art. 4.4.1.2 (8) [:math:`mm`].
+            [Δcduradd] A reduction of minimum concrete cover when using additional protection based on art. 4.4.1.2 (8) [mm].
         """
         super().__init__()
         self.c_min_b = c_min_b
@@ -53,35 +51,14 @@ def _evaluate(
         delta_c_dur_add: MM,
     ) -> MM:
         """For more detailed documentation see the class docstring."""
-        raise_if_negative(
-            c_min_b=c_min_b,
-            c_min_dur=c_min_dur,
-            delta_c_dur_gamma=delta_c_dur_gamma,
-            delta_c_dur_st=delta_c_dur_st,
-            delta_c_dur_add=delta_c_dur_add,
-        )
+        if c_min_b < 0:
+            raise ValueError(f"Negative c_min_b: {c_min_b}. c_min_b cannot be negative")
+        if c_min_dur < 0:
+            raise ValueError(f"Negative c_min_dur: {c_min_dur}. c_min_dur cannot be negative")
+        if delta_c_dur_gamma < 0:
+            raise ValueError(f"Negative delta_c_dur_gamma: {delta_c_dur_gamma}. delta_c_dur_gamma cannot be negative")
+        if delta_c_dur_st < 0:
+            raise ValueError(f"Negative delta_c_dur_st: {delta_c_dur_st}. delta_c_dur_st cannot be negative")
+        if delta_c_dur_add < 0:
+            raise ValueError(f"Negative delta_c_dur_add: {delta_c_dur_add}. delta_c_dur_add cannot be negative")
         return max(c_min_b, c_min_dur + delta_c_dur_gamma - delta_c_dur_st - delta_c_dur_add, 10)
-
-    def latex(self) -> LatexFormula:
-        """Returns LatexFormula object for formula 4.2."""
-        arg_1 = self.c_min_b
-        arg_2 = (
-            f"{to_text(self.c_min_dur)}+{to_text(self.delta_c_dur_gamma)}-{to_text(self.delta_c_dur_st)}"
-            f"-{to_text(self.delta_c_dur_add)}"
-        )
-        arg_3 = 10
-
-        latex_c_min_dur = variable_with_subscript("c", "min,dur")
-        latex_delta_c_dur_gamma = variable_with_subscript(r"\Delta c", r"dur,\gamma")
-        latex_delta_c_dur_st = variable_with_subscript(r"\Delta c", "dur,st")
-        latex_delta_c_dur_add = variable_with_subscript(r"\Delta c", "dur,add")
-
-        return LatexFormula(
-            return_symbol=variable_with_subscript("c", "min"),
-            result=to_text(self),
-            equation=max_curly_brackets(variable_with_subscript("c", "min,b"),
-                                        f"{latex_c_min_dur}+{latex_delta_c_dur_gamma}-{latex_delta_c_dur_st}-{latex_delta_c_dur_add}",
-                                        to_text("10 mm")),
-            numeric_equation=max_curly_brackets(arg_1, arg_2, arg_3),
-            comparison_operator_label="=",
-        )
diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_1.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_1.py
index c4211843..f246d130 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_1.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_1.py
@@ -2,7 +2,6 @@
 import pytest
 
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011.chapter_4_durability_and_cover.formula_4_1 import Form4Dot1NominalConcreteCover
-from blueprints.validations import NegativeValueError
 
 
 class TestForm4Dot1NominalConcreteCover:
@@ -26,7 +25,7 @@ def test_raise_error_when_negative_c_min_is_given(self) -> None:
         c_min = -60  # mm
         delta_c_dev = 5  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot1NominalConcreteCover(c_min=c_min, delta_c_dev=delta_c_dev)
 
     def test_raise_error_when_negative_delta_c_dev_is_given(self) -> None:
@@ -35,16 +34,5 @@ def test_raise_error_when_negative_delta_c_dev_is_given(self) -> None:
         c_min = 60  # mm
         delta_c_dev = -5  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot1NominalConcreteCover(c_min=c_min, delta_c_dev=delta_c_dev)
-
-
-def test_latex() -> None:
-    """Test the latex implementation."""
-    c_min = 60  # mm
-    delta_c_dev = 5  # mm
-    form = Form4Dot1NominalConcreteCover(c_min=c_min, delta_c_dev=delta_c_dev)
-
-    assert form.latex().complete == r"c_{\text{nom}} = c_{\text{min}}+\Delta c_{\text{dev}} = \text{60}+\text{5} = \text{65.0}"
-    assert form.latex().short == r"c_{\text{nom}} = \text{65.0}"
-    assert str(form.latex()) == r"c_{\text{nom}} = c_{\text{min}}+\Delta c_{\text{dev}} = \text{60}+\text{5} = \text{65.0}"
diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
index 01c8440a..8b2016d7 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_4_durability_and_cover/test_formula_4_2.py
@@ -2,7 +2,6 @@
 import pytest
 
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011.chapter_4_durability_and_cover.formula_4_2 import Form4Dot2MinimumConcreteCover
-from blueprints.validations import NegativeValueError
 
 
 class TestForm4Dot1NominalConcreteCover:
@@ -38,7 +37,7 @@ def test_raise_error_when_negative_c_min_b_is_given(self) -> None:
         delta_c_dur_st = 5  # mm
         delta_c_dur_add = 0  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot2MinimumConcreteCover(
                 c_min_b=c_min_b,
                 c_min_dur=c_min_dur,
@@ -56,7 +55,7 @@ def test_raise_error_when_negative_c_min_dur_is_given(self) -> None:
         delta_c_dur_st = 5  # mm
         delta_c_dur_add = 0  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot2MinimumConcreteCover(
                 c_min_b=c_min_b,
                 c_min_dur=c_min_dur,
@@ -74,7 +73,7 @@ def test_raise_error_when_negative_delta_c_dur_gamma_is_given(self) -> None:
         delta_c_dur_st = 5  # mm
         delta_c_dur_add = 0  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot2MinimumConcreteCover(
                 c_min_b=c_min_b,
                 c_min_dur=c_min_dur,
@@ -92,7 +91,7 @@ def test_raise_error_when_negative_delta_c_dur_st_is_given(self) -> None:
         delta_c_dur_st = -5  # mm
         delta_c_dur_add = 0  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot2MinimumConcreteCover(
                 c_min_b=c_min_b,
                 c_min_dur=c_min_dur,
@@ -110,7 +109,7 @@ def test_raise_error_when_negative_delta_c_dur_add_is_given(self) -> None:
         delta_c_dur_st = 5  # mm
         delta_c_dur_add = -5  # mm
 
-        with pytest.raises(NegativeValueError):
+        with pytest.raises(ValueError):
             Form4Dot2MinimumConcreteCover(
                 c_min_b=c_min_b,
                 c_min_dur=c_min_dur,
@@ -118,25 +117,3 @@ def test_raise_error_when_negative_delta_c_dur_add_is_given(self) -> None:
                 delta_c_dur_st=delta_c_dur_st,
                 delta_c_dur_add=delta_c_dur_add,
             )
-
-    def test_latex(self) -> None:
-        """Test the latex implementation."""
-        c_min_b = 15  # mm
-        c_min_dur = 10  # mm
-        delta_c_dur_gamma = 5  # mm
-        delta_c_dur_st = 5  # mm
-        delta_c_dur_add = 0  # mm
-        form = Form4Dot2MinimumConcreteCover(
-            c_min_b=c_min_b,
-            c_min_dur=c_min_dur,
-            delta_c_dur_gamma=delta_c_dur_gamma,
-            delta_c_dur_st=delta_c_dur_st,
-            delta_c_dur_add=delta_c_dur_add,
-        )
-        expected_latex_formula = (r"c_{\text{min}} = \max \left\{c_{\text{min,b}}; c_{\text{min,dur}}+\Delta c_{\text{dur,\gamma}}-\Delta "
-                                  r"c_{\text{dur,st}}-\Delta c_{\text{dur,add}}; \text{10 mm}\right\} = \max \left\{\text{15}; \text{10}+\text{5}-"
-                                  r"\text{5}-\text{0}; \text{10}\right\} = \text{15.0}")
-
-        assert form.latex().complete == expected_latex_formula
-
-        assert form.latex().short == r"c_{\text{min}} = \text{15.0}"

From 02f29380d8ff1a8aa00cd0ee3bf767a8612038e8 Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Thu, 25 Jan 2024 14:49:26 +0100
Subject: [PATCH 06/13] (#109) added test for __str__ method

---
 .../test_formula_9_1n.py                                     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
index b024f62a..89ef1148 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
@@ -97,3 +97,8 @@ def test_latex(self) -> None:
             r"\text{50} \cdot \text{150}\right\} = \text{10.985915492957748}"
         )
         assert form.latex().short == r"A_{\text{s,min}} = \text{10.985915492957748}"
+        assert str(form.latex()) == (
+            r"A_{\text{s,min}} = \max \left\{\text{0.26} \cdot \frac{f_{\text{ctm}}}{f_{\text{yk}}} \cdot b_{\text{t}} \cdot d; \text{0.0013} \cdot "
+            r"b_{\text{t}} \cdot d\right\} = \max \left\{\text{0.26} \cdot \frac{2}{355} \cdot \text{50} \cdot \text{150}; \text{0.0013} \cdot "
+            r"\text{50} \cdot \text{150}\right\} = \text{10.985915492957748}"
+        )

From 945090f9cfef30fe72bbd276d939f1ceb303b169 Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Thu, 25 Jan 2024 17:48:25 +0100
Subject: [PATCH 07/13] (#109) fixed formatting mistake

---
 .../chapter_9_detailling_and_specific_rules/formula_9_1n.py   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index 57ca6f44..22ce6f8b 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -62,6 +62,7 @@ def latex(self) -> LatexFormula:
         latex_f_ctm = variable_with_subscript(variable="f", subscript="ctm")
         latex_f_yk = variable_with_subscript(variable="f", subscript="yk")
         latex_b_t = variable_with_subscript(variable="b", subscript="t")
+
         return LatexFormula(
             return_symbol=variable_with_subscript(variable="A", subscript="s,min"),
             result=to_text(self),
@@ -70,8 +71,7 @@ def latex(self) -> LatexFormula:
                 rf"{to_text(0.0013)} \cdot {latex_b_t} \cdot d",
             ),
             numeric_equation=max_curly_brackets(
-                rf"{to_text(0.26)} \cdot {fraction(self.f_ctm, self.f_yk)} \cdot {to_text(self.b_t)} \cdot "
-                f"{to_text(self.d)}",
+                rf"{to_text(0.26)} \cdot {fraction(self.f_ctm, self.f_yk)} \cdot {to_text(self.b_t)} \cdot {to_text(self.d)}",
                 rf"{to_text(0.0013)} \cdot {to_text(self.b_t)} \cdot {to_text(self.d)}",
             ),
             comparison_operator_label="=",

From b92fef0a6d9193f81a581d54a2fc4b13b512653f Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Fri, 26 Jan 2024 10:29:00 +0100
Subject: [PATCH 08/13] (#109) updated to simplify latex representation

---
 .../formula_9_1n.py                           | 18 +++----
 blueprints/codes/latex_formula.py             | 48 +------------------
 .../test_formula_9_1n.py                      | 20 ++++----
 tests/codes/test_latex_formula.py             | 45 ++---------------
 4 files changed, 23 insertions(+), 108 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index 22ce6f8b..3a118769 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -1,7 +1,7 @@
 """Formula 9.1N from NEN-EN 1992-1-1+C2:2011: Chapter 9 - Detailing of members and particular rules."""
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets, to_text, variable_with_subscript
+from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets
 from blueprints.type_alias import MM, MM2, MPA
 from blueprints.validations import raise_if_negative
 
@@ -59,20 +59,16 @@ def _evaluate(
 
     def latex(self) -> LatexFormula:
         """Returns LatexFormula object for formula 9.1N."""
-        latex_f_ctm = variable_with_subscript(variable="f", subscript="ctm")
-        latex_f_yk = variable_with_subscript(variable="f", subscript="yk")
-        latex_b_t = variable_with_subscript(variable="b", subscript="t")
-
         return LatexFormula(
-            return_symbol=variable_with_subscript(variable="A", subscript="s,min"),
-            result=to_text(self),
+            return_symbol=r"A_{s,min}",
+            result=f"{self:.2f}",
             equation=max_curly_brackets(
-                rf"{to_text(0.26)} \cdot {fraction(latex_f_ctm, latex_f_yk)} \cdot {latex_b_t} \cdot d",
-                rf"{to_text(0.0013)} \cdot {latex_b_t} \cdot d",
+                rf"0.26 \cdot {fraction(r'f_{ctm}', r'f_{yk}')} \cdot b_t \cdot d",
+                r"0.0013 \cdot b_t \cdot d",
             ),
             numeric_equation=max_curly_brackets(
-                rf"{to_text(0.26)} \cdot {fraction(self.f_ctm, self.f_yk)} \cdot {to_text(self.b_t)} \cdot {to_text(self.d)}",
-                rf"{to_text(0.0013)} \cdot {to_text(self.b_t)} \cdot {to_text(self.d)}",
+                rf"0.26 \cdot {fraction(f'{self.f_ctm:.2f}', f'{self.f_yk:.2f}')} \cdot {self.b_t:.2f} \cdot {self.d:.2f}",
+                rf"0.0013 \cdot {self.b_t:.2f} \cdot {self.d:.2f}",
             ),
             comparison_operator_label="=",
         )
diff --git a/blueprints/codes/latex_formula.py b/blueprints/codes/latex_formula.py
index d630fa81..592b9806 100644
--- a/blueprints/codes/latex_formula.py
+++ b/blueprints/codes/latex_formula.py
@@ -2,43 +2,6 @@
 from dataclasses import dataclass
 
 
-def to_text(value: str | float) -> str:
-    r"""Convert string to a latex text string (\text{variable}). All characters that are not used as a variable in the corresponding documents
-    should be text strings.
-
-    Parameters
-    ----------
-    value: str | float
-        The float, int or string to be converted to latex text string.
-
-    Returns
-    -------
-    str
-        The latex text
-
-    """
-    return f"\\text{{{value}}}"
-
-
-def variable_with_subscript(variable: str, subscript: str) -> str:
-    r"""Return a string which will output: variable_{\text{subscript}} in latex.
-
-    Parameters
-    ----------
-    variable: str
-        The variable name.
-    subscript: str
-        The subscript of the variable.
-
-    Returns
-    -------
-    str
-        The latex representation of the variable with subscript.
-
-    """
-    return f"{variable}_{{\\text{{{subscript}}}}}"
-
-
 def max_curly_brackets(*args: str | float) -> str:
     """Return a string which will output: max{arg_1, arg_2, ..., arg_N} in latex and it will also automatically ensure floats are converted to latex
     text.
@@ -54,12 +17,7 @@ def max_curly_brackets(*args: str | float) -> str:
         The latex representation of the max operator.
 
     """
-    arguments = []
-    for arg in args:
-        max_operation_argument = arg
-        if isinstance(arg, (int, float)):  # check if arg is float or int, so it can be converted to latex text
-            max_operation_argument = to_text(arg)
-        arguments.append(str(max_operation_argument))
+    arguments = [str(arg) for arg in args]
     return f"\\max \\left\\{{{'; '.join(arguments)}\\right\\}}"
 
 
@@ -79,10 +37,6 @@ def fraction(numerator: str | float, denominator: str | float) -> str:
         The latex string
 
     """
-    if isinstance(numerator, float):
-        numerator = to_text(numerator)
-    if isinstance(denominator, float):
-        denominator = to_text(denominator)
     return f"\\frac{{{numerator}}}{{{denominator}}}"
 
 
diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
index 89ef1148..798ed92d 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
@@ -89,16 +89,16 @@ def test_latex(self) -> None:
         f_yk = 355  # MPa
         b_t = 50  # mm
         d = 150  # mm
-        form = Form9Dot1NMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
+        latex = Form9Dot1NMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d).latex()
 
-        assert form.latex().complete == (
-            r"A_{\text{s,min}} = \max \left\{\text{0.26} \cdot \frac{f_{\text{ctm}}}{f_{\text{yk}}} \cdot b_{\text{t}} \cdot d; \text{0.0013} \cdot "
-            r"b_{\text{t}} \cdot d\right\} = \max \left\{\text{0.26} \cdot \frac{2}{355} \cdot \text{50} \cdot \text{150}; \text{0.0013} \cdot "
-            r"\text{50} \cdot \text{150}\right\} = \text{10.985915492957748}"
+        assert latex.complete == (
+            r"A_{s,min} = \max \left\{0.26 \cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; 0.0013 \cdot b_t \cdot d\right\} "
+            r"= \max \left\{0.26 \cdot \frac{2.00}{355.00} \cdot 50.00 \cdot 150.00; 0.0013 \cdot 50.00 \cdot 150.00\right\} "
+            r"= 10.99"
         )
-        assert form.latex().short == r"A_{\text{s,min}} = \text{10.985915492957748}"
-        assert str(form.latex()) == (
-            r"A_{\text{s,min}} = \max \left\{\text{0.26} \cdot \frac{f_{\text{ctm}}}{f_{\text{yk}}} \cdot b_{\text{t}} \cdot d; \text{0.0013} \cdot "
-            r"b_{\text{t}} \cdot d\right\} = \max \left\{\text{0.26} \cdot \frac{2}{355} \cdot \text{50} \cdot \text{150}; \text{0.0013} \cdot "
-            r"\text{50} \cdot \text{150}\right\} = \text{10.985915492957748}"
+        assert latex.short == r"A_{s,min} = 10.99"
+        assert str(latex) == (
+            r"A_{s,min} = \max \left\{0.26 \cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; 0.0013 \cdot b_t \cdot d\right\} "
+            r"= \max \left\{0.26 \cdot \frac{2.00}{355.00} \cdot 50.00 \cdot 150.00; 0.0013 \cdot 50.00 \cdot 150.00\right\} "
+            r"= 10.99"
         )
diff --git a/tests/codes/test_latex_formula.py b/tests/codes/test_latex_formula.py
index 8ac4805f..2c40189b 100644
--- a/tests/codes/test_latex_formula.py
+++ b/tests/codes/test_latex_formula.py
@@ -1,7 +1,7 @@
 """Tests for the LatexFormula class."""
 import pytest
 
-from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets, to_text, variable_with_subscript
+from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets
 
 
 @pytest.fixture()
@@ -33,33 +33,10 @@ def test_str(self, fixture_latex_formula: LatexFormula) -> None:
         assert str(fixture_latex_formula) == expected_result
 
 
-def test_latex_value_to_text() -> None:
-    """Test the latex_value_to_text function."""
-    # Example values
-    value = 5.0
-
-    # Expected result
-    expected_result = r"\text{5.0}"
-
-    assert to_text(value=value) == expected_result
-
-
-@pytest.mark.parametrize(
-    ("arg_1", "arg_2", "arg_3", "expected_output"),
-    [
-        (r"a+b", r"\text{500}", r"c-d", r"\max \left\{a+b; \text{500}; c-d\right\}"),
-        (r"a+b", 500, r"c-d", r"\max \left\{a+b; \text{500}; c-d\right\}"),
-    ],
-)
-def test_latex_max_curly_brackets(
-    arg_1: str | float,
-    arg_2: str | float,
-    arg_3: str | float,
-    expected_output: str,
-) -> None:
+def test_latex_max_curly_brackets() -> None:
     """Test the latex_max_curly_brackets function."""
-    result = max_curly_brackets(arg_1, arg_2, arg_3)
-    assert result == expected_output
+    result = max_curly_brackets(r"a+b", r"500", r"c-d")
+    assert result == r"\max \left\{a+b; 500; c-d\right\}"
 
 
 def test_latex_fraction() -> None:
@@ -69,18 +46,6 @@ def test_latex_fraction() -> None:
     denominator = 10.0
 
     # Expected result
-    expected_result = r"\frac{\text{5.0}}{\text{10.0}}"
+    expected_result = r"\frac{5.0}{10.0}"
 
     assert fraction(numerator=numerator, denominator=denominator) == expected_result
-
-
-def test_latex_variable_with_subscript() -> None:
-    """Test the latex_subscript function."""
-    # Example values
-    base = "a"
-    subscript = "b"
-
-    # Expected result
-    expected_result = r"a_{\text{b}}"
-
-    assert variable_with_subscript(variable=base, subscript=subscript) == expected_result

From 84ea238c83b19a03429b6658d7cfdbd9387f7d11 Mon Sep 17 00:00:00 2001
From: PetervWestrienen <petervanwestrienen@gmail.com>
Date: Fri, 26 Jan 2024 11:58:03 +0100
Subject: [PATCH 09/13] (#109) fixed latex formula

---
 blueprints/codes/latex_formula.py | 66 ++++++++++++++++++++++++++++++-
 tests/codes/test_latex_formula.py | 13 +++++-
 2 files changed, 76 insertions(+), 3 deletions(-)

diff --git a/blueprints/codes/latex_formula.py b/blueprints/codes/latex_formula.py
index 592b9806..5417d4b8 100644
--- a/blueprints/codes/latex_formula.py
+++ b/blueprints/codes/latex_formula.py
@@ -3,9 +3,14 @@
 
 
 def max_curly_brackets(*args: str | float) -> str:
-    """Return a string which will output: max{arg_1, arg_2, ..., arg_N} in latex and it will also automatically ensure floats are converted to latex
+    r"""Return a string which will output: max{arg_1; arg_2; ...; arg_N} in latex and it will also automatically ensure floats are converted to latex
     text.
 
+    Examples
+    --------
+    >>> max_curly_brackets(1, 2)
+    str(\max \left\{1; 2\right\})
+
     Parameters
     ----------
     args: str
@@ -14,16 +19,45 @@ def max_curly_brackets(*args: str | float) -> str:
     Returns
     -------
     str
-        The latex representation of the max operator.
+        The latex representation of the max function.
 
     """
     arguments = [str(arg) for arg in args]
     return f"\\max \\left\\{{{'; '.join(arguments)}\\right\\}}"
 
 
+def min_curly_brackets(*args: str | float) -> str:
+    r"""Return a string which will output: min{arg_1; arg_2; ...; arg_N} in latex and it will also automatically ensure floats are converted to latex
+    text.
+
+    Examples
+    --------
+    >>> min_curly_brackets(1, 2)
+    str(\min \left\{1; 2\right\})
+
+    Parameters
+    ----------
+    args: str
+        The arguments of the min function.
+
+    Returns
+    -------
+    str
+        The latex representation of the min function.
+
+    """
+    arguments = [str(arg) for arg in args]
+    return f"\\min \\left\\{{{'; '.join(arguments)}\\right\\}}"
+
+
 def fraction(numerator: str | float, denominator: str | float) -> str:
     r"""Return a string which will output: \frac{numerator}{denominator} in latex.
 
+    Examples
+    --------
+    >>> fraction(1, 2)
+    str(\frac{1}{2})
+
     Parameters
     ----------
     numerator: str | float
@@ -40,6 +74,34 @@ def fraction(numerator: str | float, denominator: str | float) -> str:
     return f"\\frac{{{numerator}}}{{{denominator}}}"
 
 
+def conditional(*args: list[float | str]) -> str:
+    r"""Return a string which will output a conditional statement with curly brackets with the given arguments and conditions in latex.
+
+    Examples
+    --------
+    >>> conditional([1, "a > 0"], [2, "a < 0"]
+    str(\left{\matrix{1 & \text{voor }a > 0 \\ 2 & \text{voor }a < 0 }\right.)
+
+    Parameters
+    ----------
+    args: list[float|str]
+        A list of length 2, where the first element is the value and the second value is the condition.
+
+    Returns
+    -------
+    str
+        The latex string
+    """
+    string_parts = []
+    for value, condition in args:
+        string_parts.append(f"{value} & \\text{{voor }}{condition} \\\\ ")
+
+    output = r"\left{\matrix{"
+    output += "".join(string_parts)
+    output = output[:-3]
+    return output + r"}\right."
+
+
 @dataclass(frozen=True)
 class LatexFormula:
     """Latex formula representation.
diff --git a/tests/codes/test_latex_formula.py b/tests/codes/test_latex_formula.py
index 2c40189b..319639d3 100644
--- a/tests/codes/test_latex_formula.py
+++ b/tests/codes/test_latex_formula.py
@@ -1,7 +1,7 @@
 """Tests for the LatexFormula class."""
 import pytest
 
-from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets
+from blueprints.codes.latex_formula import LatexFormula, conditional, fraction, max_curly_brackets, min_curly_brackets
 
 
 @pytest.fixture()
@@ -39,6 +39,12 @@ def test_latex_max_curly_brackets() -> None:
     assert result == r"\max \left\{a+b; 500; c-d\right\}"
 
 
+def test_latex_min_curly_brackets() -> None:
+    """Test the latex_max_curly_brackets function."""
+    result = min_curly_brackets(r"a+b", r"500", r"c-d")
+    assert result == r"\min \left\{a+b; 500; c-d\right\}"
+
+
 def test_latex_fraction() -> None:
     """Test the latex_fraction function."""
     # Example values
@@ -49,3 +55,8 @@ def test_latex_fraction() -> None:
     expected_result = r"\frac{5.0}{10.0}"
 
     assert fraction(numerator=numerator, denominator=denominator) == expected_result
+
+
+def test_conditional() -> None:
+    """Test the conditional function."""
+    assert conditional([1, "a > 0"], [2, "a < 0"]) == r"\left{\matrix{1 & \text{voor }a > 0 \\ 2 & \text{voor }a < 0 }\right."

From 534b680a450bf30e6b681398d346c1c61536deea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Garc=C3=ADa=20M=C3=A9ndez?=
 <44614728+egarciamendez@users.noreply.github.com>
Date: Mon, 25 Mar 2024 17:41:38 +0100
Subject: [PATCH 10/13] (#109) unused formulas deleted

---
 blueprints/codes/latex_formula.py | 84 -------------------------------
 1 file changed, 84 deletions(-)

diff --git a/blueprints/codes/latex_formula.py b/blueprints/codes/latex_formula.py
index 77941eff..98bfa12e 100644
--- a/blueprints/codes/latex_formula.py
+++ b/blueprints/codes/latex_formula.py
@@ -127,87 +127,3 @@ def latex_max_curly_brackets(*args: str | float) -> str:
     """
     arguments = [str(arg) for arg in args]
     return f"\\max \\left\\{{{'; '.join(arguments)}\\right\\}}"
-
-
-def to_text(value: str | float) -> str:
-    r"""Convert string to a latex text string (\text{variable}). All characters that are not used as a variable in the corresponding documents
-    should be text strings.
-
-    Parameters
-    ----------
-    value: str | float
-        The float, int or string to be converted to latex text string.
-
-    Returns
-    -------
-    str
-        The latex text
-
-    """
-    return f"\\text{{{value}}}"
-
-
-def variable_with_subscript(variable: str, subscript: str) -> str:
-    r"""Return a string which will output: variable_{\text{subscript}} in latex.
-
-    Parameters
-    ----------
-    variable: str
-        The variable name.
-    subscript: str
-        The subscript of the variable.
-
-    Returns
-    -------
-    str
-        The latex representation of the variable with subscript.
-
-    """
-    return f"{variable}_{{\\text{{{subscript}}}}}"
-
-
-def max_curly_brackets(*args: str | float) -> str:
-    """Return a string which will output: max{arg_1, arg_2, ..., arg_N} in latex and it will also automatically ensure floats are converted to latex
-    text.
-
-    Parameters
-    ----------
-    args: str
-        The arguments of the max function.
-
-    Returns
-    -------
-    str
-        The latex representation of the max operator.
-
-    """
-    arguments = []
-    for arg in args:
-        max_operation_argument = arg
-        if isinstance(arg, (int, float)):  # check if arg is float or int, so it can be converted to latex text
-            max_operation_argument = to_text(arg)
-        arguments.append(str(max_operation_argument))
-    return f"\\max \\left\\{{{'; '.join(arguments)}\\right\\}}"
-
-
-def fraction(numerator: str | float, denominator: str | float) -> str:
-    r"""Return a string which will output: \frac{numerator}{denominator} in latex.
-
-    Parameters
-    ----------
-    numerator: str | float
-        The numerator of the fraction.
-    denominator: str | float
-        The denominator of the fraction.
-
-    Returns
-    -------
-    str
-        The latex string
-
-    """
-    if isinstance(numerator, float):
-        numerator = to_text(numerator)
-    if isinstance(denominator, float):
-        denominator = to_text(denominator)
-    return f"\\frac{{{numerator}}}{{{denominator}}}"

From 71df53fbb342fceacec1581bcf75afa395fafcd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Garc=C3=ADa=20M=C3=A9ndez?=
 <44614728+egarciamendez@users.noreply.github.com>
Date: Mon, 25 Mar 2024 17:42:52 +0100
Subject: [PATCH 11/13] (#109) test added

---
 tests/codes/test_latex_formula.py | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/tests/codes/test_latex_formula.py b/tests/codes/test_latex_formula.py
index 54f2246f..b64c8586 100644
--- a/tests/codes/test_latex_formula.py
+++ b/tests/codes/test_latex_formula.py
@@ -2,13 +2,19 @@
 
 import pytest
 
-from blueprints.codes.latex_formula import LatexFormula, latex_fraction, latex_max_curly_brackets
+from blueprints.codes.latex_formula import LatexFormula, latex_fraction, latex_max_curly_brackets, latex_min_curly_brackets
 
 
 @pytest.fixture()
 def fixture_latex_formula() -> LatexFormula:
     """Fixture for testing."""
-    return LatexFormula(return_symbol="E", result="500", equation="mc^2", numeric_equation="5*10^2", comparison_operator_label="=")
+    return LatexFormula(
+        return_symbol="E",
+        result="500",
+        equation="mc^2",
+        numeric_equation="5*10^2",
+        comparison_operator_label="=",
+    )
 
 
 class TestLatexFormula:
@@ -50,3 +56,9 @@ def test_latex_max_curly_brackets() -> None:
     """Test the latex_max_curly_brackets function."""
     result = latex_max_curly_brackets(r"a+b", r"500", r"c-d")
     assert result == r"\max \left\{a+b; 500; c-d\right\}"
+
+
+def test_min_curly_brackets() -> None:
+    """Test the latex_min_curly_brackets function."""
+    result = latex_min_curly_brackets(r"a+b", r"500", r"c-d")
+    assert result == r"\min \left\{a+b; 500; c-d\right\}"

From ec8890eb2f986dfee5c2ea1ab95c281aeabfe69f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Garc=C3=ADa=20M=C3=A9ndez?=
 <44614728+egarciamendez@users.noreply.github.com>
Date: Mon, 25 Mar 2024 17:48:02 +0100
Subject: [PATCH 12/13] (#109) wrong imports fixed

---
 .../formula_9_1n.py                                    | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
index db0f76e7..78f4167d 100644
--- a/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
+++ b/blueprints/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/formula_9_1n.py
@@ -2,7 +2,7 @@
 
 from blueprints.codes.eurocode.nen_en_1992_1_1_c2_2011 import NEN_EN_1992_1_1_C2_2011
 from blueprints.codes.formula import Formula
-from blueprints.codes.latex_formula import LatexFormula, fraction, max_curly_brackets
+from blueprints.codes.latex_formula import LatexFormula, latex_fraction, latex_max_curly_brackets
 from blueprints.type_alias import MM, MM2, MPA
 from blueprints.validations import raise_if_negative
 
@@ -63,12 +63,12 @@ def latex(self) -> LatexFormula:
         return LatexFormula(
             return_symbol=r"A_{s,min}",
             result=f"{self:.2f}",
-            equation=max_curly_brackets(
-                rf"0.26 \cdot {fraction(r'f_{ctm}', r'f_{yk}')} \cdot b_t \cdot d",
+            equation=latex_max_curly_brackets(
+                rf"0.26 \cdot {latex_fraction(r'f_{ctm}', r'f_{yk}')} \cdot b_t \cdot d",
                 r"0.0013 \cdot b_t \cdot d",
             ),
-            numeric_equation=max_curly_brackets(
-                rf"0.26 \cdot {fraction(f'{self.f_ctm:.2f}', f'{self.f_yk:.2f}')} \cdot {self.b_t:.2f} \cdot {self.d:.2f}",
+            numeric_equation=latex_max_curly_brackets(
+                rf"0.26 \cdot {latex_fraction(f'{self.f_ctm:.2f}', f'{self.f_yk:.2f}')} \cdot {self.b_t:.2f} \cdot {self.d:.2f}",
                 rf"0.0013 \cdot {self.b_t:.2f} \cdot {self.d:.2f}",
             ),
             comparison_operator_label="=",

From 5511faa7e2b25e855d0ad4bb1491237455df2e3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Enrique=20Garc=C3=ADa=20M=C3=A9ndez?=
 <44614728+egarciamendez@users.noreply.github.com>
Date: Wed, 27 Mar 2024 18:23:47 +0100
Subject: [PATCH 13/13] (#109) Latex parametrization

---
 .../test_formula_9_1n.py                      | 31 ++++++++++++-------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
index a342c370..cc722690 100644
--- a/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
+++ b/tests/codes/eurocode/nen_en_1992_1_1_c2_2011/chapter_9_detailling_and_specific_rules/test_formula_9_1n.py
@@ -83,23 +83,30 @@ def test_raise_error_when_negative_d_is_given(self) -> None:
         with pytest.raises(NegativeValueError):
             Form9Dot1nMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d)
 
-    def test_latex(self) -> None:
+    @pytest.mark.parametrize(
+        ("representation", "expected_result"),
+        [
+            (
+                "complete",
+                r"A_{s,min} = \max \left\{0.26 \cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; 0.0013 \cdot b_t \cdot d\right\} = "
+                r"\max \left\{0.26 \cdot \frac{2.00}{355.00} \cdot 50.00 \cdot 150.00; 0.0013 \cdot 50.00 \cdot 150.00\right\} = 10.99",
+            ),
+            ("short", "A_{s,min} = 10.99"),
+        ],
+    )
+    def test_latex(self, representation: str, expected_result: str) -> None:
         """Test the latex representation."""
         # Example values
         f_ctm = 2  # MPa
         f_yk = 355  # MPa
         b_t = 50  # mm
         d = 150  # mm
+
         latex = Form9Dot1nMinimumTensileReinforcementBeam(f_ctm=f_ctm, f_yk=f_yk, b_t=b_t, d=d).latex()
 
-        assert latex.complete == (
-            r"A_{s,min} = \max \left\{0.26 \cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; 0.0013 \cdot b_t \cdot d\right\} "
-            r"= \max \left\{0.26 \cdot \frac{2.00}{355.00} \cdot 50.00 \cdot 150.00; 0.0013 \cdot 50.00 \cdot 150.00\right\} "
-            r"= 10.99"
-        )
-        assert latex.short == r"A_{s,min} = 10.99"
-        assert str(latex) == (
-            r"A_{s,min} = \max \left\{0.26 \cdot \frac{f_{ctm}}{f_{yk}} \cdot b_t \cdot d; 0.0013 \cdot b_t \cdot d\right\} "
-            r"= \max \left\{0.26 \cdot \frac{2.00}{355.00} \cdot 50.00 \cdot 150.00; 0.0013 \cdot 50.00 \cdot 150.00\right\} "
-            r"= 10.99"
-        )
+        actual = {
+            "complete": latex.complete,
+            "short": latex.short,
+        }
+
+        assert actual[representation] == expected_result, f"{representation} representation failed."