From d055e8d2ab5182def772050c8abdc54725a7814a Mon Sep 17 00:00:00 2001
From: Steve Fanning <stevefanning@libreoffice.org>
Date: Sat, 10 Apr 2021 20:35:48 -0300
Subject: Help Pages for Calc’s “IM” Functions, Improved Equations
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

I have recently spent some time updating the pages
of the Calc Functions Wiki that relate to the
processing of complex numbers.

There are 25 functions in Calc’s Add-In category
that have names beginning with the letters “IM”
and these are all concerned with processing
complex numbers of the form “a+bi”.

Of these 25, there are 6 trigonometric functions
(IMCOS, IMCOT, IMCSC, IMSEC, IMSIN, and IMTAN)
and 4 hyperbolic functions (IMCOSH, IMCSCH,
IMSECH, and IMSINH). For these 10, the current
help pages include equations to assist the
user’s understanding of the function’s purpose.

I feel that some of these equations should be
replaced with more appropriate equations that
reflect how the software functions (see
/core/scaddins/source/analysis/analysishelper.cxx)
and these proposed changes are listed below.

Change-Id: Ie0e4957e374570d60be00bcbe9b9015acab5e3a1
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/113935
Tested-by: Jenkins
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
---
 Package_html_media.mk                          |  12 +-
 source/media/helpimg/sc_func_imcot.svg         | 233 --------
 source/media/helpimg/sc_func_imcsc.svg         | 490 ---------------
 source/media/helpimg/sc_func_imcsch.svg        | 498 ----------------
 source/media/helpimg/sc_func_imsec.svg         | 490 ---------------
 source/media/helpimg/sc_func_imsech.svg        | 498 ----------------
 source/media/helpimg/sc_func_imtan.svg         | 796 -------------------------
 source/media/helpimg/scalc/IMCOT_equation.svg  | 449 ++++++++++++++
 source/media/helpimg/scalc/IMCSCH_equation.svg | 553 +++++++++++++++++
 source/media/helpimg/scalc/IMCSC_equation.svg  | 549 +++++++++++++++++
 source/media/helpimg/scalc/IMSECH_equation.svg | 553 +++++++++++++++++
 source/media/helpimg/scalc/IMSEC_equation.svg  | 549 +++++++++++++++++
 source/media/helpimg/scalc/IMTAN_equation.svg  | 449 ++++++++++++++
 source/text/scalc/01/func_imcot.xhp            |   2 +-
 source/text/scalc/01/func_imcsc.xhp            |   2 +-
 source/text/scalc/01/func_imcsch.xhp           |   3 +-
 source/text/scalc/01/func_imsec.xhp            |   2 +-
 source/text/scalc/01/func_imsech.xhp           |   2 +-
 source/text/scalc/01/func_imtan.xhp            |   2 +-
 19 files changed, 3115 insertions(+), 3017 deletions(-)
 delete mode 100644 source/media/helpimg/sc_func_imcot.svg
 delete mode 100644 source/media/helpimg/sc_func_imcsc.svg
 delete mode 100644 source/media/helpimg/sc_func_imcsch.svg
 delete mode 100644 source/media/helpimg/sc_func_imsec.svg
 delete mode 100644 source/media/helpimg/sc_func_imsech.svg
 delete mode 100644 source/media/helpimg/sc_func_imtan.svg
 create mode 100644 source/media/helpimg/scalc/IMCOT_equation.svg
 create mode 100644 source/media/helpimg/scalc/IMCSCH_equation.svg
 create mode 100644 source/media/helpimg/scalc/IMCSC_equation.svg
 create mode 100644 source/media/helpimg/scalc/IMSECH_equation.svg
 create mode 100644 source/media/helpimg/scalc/IMSEC_equation.svg
 create mode 100644 source/media/helpimg/scalc/IMTAN_equation.svg

diff --git a/Package_html_media.mk b/Package_html_media.mk
index 2fb33193bc..6258055767 100644
--- a/Package_html_media.mk
+++ b/Package_html_media.mk
@@ -80,14 +80,14 @@ $(eval $(call gb_Package_add_files_with_dir,helpcontent2_html_media,$(LIBO_SHARE
     helpimg/sc_cell_with_comment_displayed.png \
     helpimg/sc_func_imcos.svg \
     helpimg/sc_func_imcosh.svg \
-    helpimg/sc_func_imcot.svg \
+    helpimg/scalc/IMCOT_equation.svg \
     helpimg/sc_func_imsin.svg \
     helpimg/sc_func_imsinh.svg \
-    helpimg/sc_func_imcsc.svg \
-    helpimg/sc_func_imcsch.svg \
-    helpimg/sc_func_imsec.svg \
-    helpimg/sc_func_imsech.svg \
-    helpimg/sc_func_imtan.svg \
+    helpimg/scalc/IMCSC_equation.svg \
+    helpimg/scalc/IMCSCH_equation.svg \
+    helpimg/scalc/IMSEC_equation.svg \
+    helpimg/scalc/IMSECH_equation.svg \
+    helpimg/scalc/IMTAN_equation.svg \
     helpimg/sc_func_opt01.svg \
     helpimg/sd_drawing_with_comment.png \
     helpimg/sd_PresenterConsole01.png \
diff --git a/source/media/helpimg/sc_func_imcot.svg b/source/media/helpimg/sc_func_imcot.svg
deleted file mode 100644
index 642d1a7a21..0000000000
--- a/source/media/helpimg/sc_func_imcot.svg
+++ /dev/null
@@ -1,233 +0,0 @@
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diff --git a/source/media/helpimg/sc_func_imsec.svg b/source/media/helpimg/sc_func_imsec.svg
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diff --git a/source/media/helpimg/scalc/IMCOT_equation.svg b/source/media/helpimg/scalc/IMCOT_equation.svg
new file mode 100644
index 0000000000..487e753010
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new file mode 100644
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new file mode 100644
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diff --git a/source/media/helpimg/scalc/IMSECH_equation.svg b/source/media/helpimg/scalc/IMSECH_equation.svg
new file mode 100644
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new file mode 100644
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+                       id="path228" />
+                  </g>
+                </g>
+              </g>
+              <g
+                 aria-label=")"
+                 id="text96"
+                 style="font-size:25px;font-family:STIXGeneral, STIXSizeOneSym;fill:#000000">
+                <path
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+                   style="font-size:25px;font-family:STIXGeneral, STIXSizeOneSym;fill:#000000"
+                   id="path231" />
+              </g>
+            </g>
+          </g>
+          <path
+             id="line102"
+             style="fill:none;stroke:#000000;stroke-width:1.5625"
+             d="M 143.425,29 H 348.61945" />
+        </g>
+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/source/text/scalc/01/func_imcot.xhp b/source/text/scalc/01/func_imcot.xhp
index 0de62ebbde..7155400177 100644
--- a/source/text/scalc/01/func_imcot.xhp
+++ b/source/text/scalc/01/func_imcot.xhp
@@ -32,7 +32,7 @@
 		</paragraph>
 	</section>
 	<paragraph id="par_id311713256011430" role="paragraph" xml-lang="en-US">
-        <image src="media/helpimg/sc_func_imcot.svg" id="img_id211575078735993" width="258.56943px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCOT equation</alt></image>
+        <image src="media/helpimg/scalc/IMCOT_equation.svg" id="img_id211575078735993" width="341.869px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCOT equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
diff --git a/source/text/scalc/01/func_imcsc.xhp b/source/text/scalc/01/func_imcsc.xhp
index 345e7d8493..ac1504080c 100644
--- a/source/text/scalc/01/func_imcsc.xhp
+++ b/source/text/scalc/01/func_imcsc.xhp
@@ -32,7 +32,7 @@
 		</paragraph>
 	</section>
 	<paragraph id="par_id13510198901485" role="paragraph" xml-lang="en-US">
-        <image src="media/helpimg/sc_func_imcsc.svg" id="img_id211575078735993" width="594.60278px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCSC equation</alt></image>
+        <image src="media/helpimg/scalc/IMCSC_equation.svg" id="img_id211575078735993" width="491.844px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCSC equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
diff --git a/source/text/scalc/01/func_imcsch.xhp b/source/text/scalc/01/func_imcsch.xhp
index 37978db331..cd854aae43 100644
--- a/source/text/scalc/01/func_imcsch.xhp
+++ b/source/text/scalc/01/func_imcsch.xhp
@@ -31,7 +31,8 @@
 		</ahelp>
 	</paragraph>
 	</section>
-	<paragraph id="par_id195151657917534" role="paragraph" xml-lang="en-US"><image src="media/helpimg/sc_func_imcsch.svg" id="img_id211575078735993" width="619.60278px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCSCH equation</alt></image>
+	<paragraph id="par_id195151657917534" role="paragraph" xml-lang="en-US">
+        <image src="media/helpimg/scalc/IMCSCH_equation.svg" id="img_id211575078735993" width="504.344px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMCSCH equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
diff --git a/source/text/scalc/01/func_imsec.xhp b/source/text/scalc/01/func_imsec.xhp
index f8dc9b9c39..ccf6b8f2ba 100644
--- a/source/text/scalc/01/func_imsec.xhp
+++ b/source/text/scalc/01/func_imsec.xhp
@@ -32,7 +32,7 @@
 		</paragraph>
 	</section>
 	<paragraph id="par_id17543461310594" role="code" xml-lang="en-US">
-        <image src="media/helpimg/sc_func_imsec.svg" id="img_id211575078735993" width="599.10275px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMSEC equation</alt></image>
+        <image src="media/helpimg/scalc/IMSEC_equation.svg" id="img_id211575078735993" width="491.194px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMSEC equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
diff --git a/source/text/scalc/01/func_imsech.xhp b/source/text/scalc/01/func_imsech.xhp
index a2a5adf264..fc5155fd2d 100644
--- a/source/text/scalc/01/func_imsech.xhp
+++ b/source/text/scalc/01/func_imsech.xhp
@@ -32,7 +32,7 @@
 		</paragraph>
 	</section>
 	<paragraph id="par_id74572850718840" role="paragraph" xml-lang="en-US">
-        <image src="media/helpimg/sc_func_imsech.svg" id="img_id211575078735993" width="624.10275px" height="54.962498px"><alt xml-lang="en-US" id="alt_id401575078735994">IMSECH equation</alt></image>
+        <image src="media/helpimg/scalc/IMSECH_equation.svg" id="img_id211575078735993" width="503.694px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMSECH equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
diff --git a/source/text/scalc/01/func_imtan.xhp b/source/text/scalc/01/func_imtan.xhp
index f569fd99eb..edabfe86ce 100644
--- a/source/text/scalc/01/func_imtan.xhp
+++ b/source/text/scalc/01/func_imtan.xhp
@@ -32,7 +32,7 @@
 		</paragraph>
 	</section>
 	<paragraph id="par_id25021317131239" role="paragraph" xml-lang="en-US">
-        <image src="media/helpimg/sc_func_imtan.svg" id="img_id211575078735993" width="597.80275px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMTAN equation</alt></image>
+        <image src="media/helpimg/scalc/IMTAN_equation.svg" id="img_id211575078735993" width="353.294px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMTAN equation</alt></image>
 	</paragraph>
 	<embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
 	<embed href="text/scalc/01/ODFF.xhp#odff"/>
-- 
cgit