Extend math library

4 files changed, 59 insertions, 5 deletions

diff --git a/tests/typ/math/accents.typ b/tests/typ/math/accents.typ
new file mode 100644
index 00000000..04e6e723
--- /dev/null
+++ b/tests/typ/math/accents.typ
@@ -0,0 +1,28 @@
+// Test math accents.
+
+---
+#set page(width: auto)
+
+$ acc(a,`),
+  acc(a,´),
+  acc(a,\^),
+  acc(a,~),
+  acc(a,¯),
+  acc(a,‾),
+  acc(a,˘),
+  acc(a,.),
+  acc(a,¨),
+  acc(a,ˇ),
+  acc(a,->) $
+
+$ acc(a, grave),
+  acc(a, acute),
+  acc(a, circum),
+  acc(a, tilde),
+  acc(a, macron),
+  acc(a, overline),
+  acc(a, breve),
+  acc(a, dot),
+  acc(a, dia),
+  acc(a, caron),
+  acc(a, arrow) $
diff --git a/tests/typ/math/matrix.typ b/tests/typ/math/matrix.typ
index ec84778c..3d67800d 100644
--- a/tests/typ/math/matrix.typ
+++ b/tests/typ/math/matrix.typ
@@ -4,12 +4,11 @@
 $ v = vec(1, 2+3, 4) $
 
 ---
-#set vec(delim: "|")
-$ vec(1, 2) $
+$ binom(n, 1) = 1/2 n (n-1) $
 
 ---
-// Error: 17-20 expected "(", "[", "{", or "|"
-#set vec(delim: "%")
+#set vec(delim: "|")
+$ vec(1, 2) $
 
 ---
 $ f(x, y) := cases(
@@ -18,3 +17,11 @@ $ f(x, y) := cases(
   3 "if" x "is even",
   4 "else",
 ) $
+
+---
+// Error: 17-20 expected "(", "[", "{", or "|"
+#set vec(delim: "%")
+
+---
+// Error: 9-12 missing argument: lower index
+$ binom(x^2) $
diff --git a/tests/typ/math/simple.typ b/tests/typ/math/simple.typ
index 55a853cf..1b63cbfc 100644
--- a/tests/typ/math/simple.typ
+++ b/tests/typ/math/simple.typ
@@ -12,8 +12,12 @@ Prove by induction:
 $ sum_(k=0)^n k = (n(n+1))/2 $
 
 ---
+We know that:
+$ floor(x/2) <= ceil(x/2) $
+
+---
 // Test that blackboard style looks nice.
-$ f: NN arrow RR $
+$ f: NN -> RR $
 
 ---
 // Error: 1:3 expected dollar sign
diff --git a/tests/typ/math/style.typ b/tests/typ/math/style.typ
new file mode 100644
index 00000000..c9238a9a
--- /dev/null
+++ b/tests/typ/math/style.typ
@@ -0,0 +1,15 @@
+#let part = $ a b A B $
+#let kinds = (serif, sans, cal, frak, mono, bb)
+#let modifiers = (v => v, ital, bold, v => ital(bold(v)))
+
+#let cells = ([:triangle:nested:], [--], [`ital`], [`bold`], [both])
+#for k in kinds {
+  cells.push(raw(repr(k).trim("<function ").trim(">")))
+  for m in modifiers {
+    cells.push($ #m(#k(part)) $)
+  }
+}
+
+#set page(width: auto)
+#set par(align: center)
+#table(columns: 1 + modifiers.len(), ..cells)