pkg/mods/math: Enable transcript tests for math.d.elv.

Also fix incorrect example outputs.

The tests are only enabled on amd64 and arm64 because the exact outputs could
depend on the CPU (see d3e802e for a similar
fix).

pkg/mods/math/math.d.elv

@@ -1,3 +1,6 @@
+#//each:eval use math
+#//only-on amd64 || arm64
+
 # Approximate value of
 # [`e`](https://en.wikipedia.org/wiki/E_(mathematical_constant)):
 # 2.718281.... This variable is read-only.
@@ -34,7 +37,7 @@ fn abs {|number| }
 #
 # ```elvish-transcript
 # ~> math:acos 1
-# ▶ (num 1)
+# ▶ (num 0.0)
 # ~> math:acos 1.00001
 # ▶ (num NaN)
 # ```
@@ -44,7 +47,7 @@ fn acos {|number| }
 #
 # ```elvish-transcript
 # ~> math:acosh 1
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:acosh 0
 # ▶ (num NaN)
 # ```
@@ -54,7 +57,7 @@ fn acosh {|number| }
 #
 # ```elvish-transcript
 # ~> math:asin 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:asin 1
 # ▶ (num 1.5707963267948966)
 # ~> math:asin 1.00001
@@ -66,7 +69,7 @@ fn asin {|number| }
 #
 # ```elvish-transcript
 # ~> math:asinh 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:asinh inf
 # ▶ (num +Inf)
 # ```
@@ -76,8 +79,8 @@ fn asinh {|number| }
 #
 # ```elvish-transcript
 # ~> math:atan 0
-# ▶ (num 0)
-# ~> math:atan $math:inf
+# ▶ (num 0.0)
+# ~> math:atan +inf
 # ▶ (num 1.5707963267948966)
 # ```
 fn atan {|number| }
@@ -99,7 +102,7 @@ fn atan2 {|y x| }
 #
 # ```elvish-transcript
 # ~> math:atanh 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:atanh 1
 # ▶ (num +Inf)
 # ```
@@ -132,17 +135,17 @@ fn ceil {|number| }
 #
 # ```elvish-transcript
 # ~> math:cos 0
-# ▶ (num 1)
+# ▶ (num 1.0)
 # ~> math:cos 3.14159265
-# ▶ (num -1)
+# ▶ (num -1.0)
 # ```
 fn cos {|number| }
 
 # Computes the hyperbolic cosine of `$number`. Example:
 #
 # ```elvish-transcript
 # ~> math:cosh 0
-# ▶ (num 1)
+# ▶ (num 1.0)
 # ```
 fn cosh {|number| }
 
@@ -204,7 +207,7 @@ fn is-nan {|number| }
 #
 # ```elvish-transcript
 # ~> math:log 1.0
-# ▶ (num 1)
+# ▶ (num 0.0)
 # ~> math:log -2.3
 # ▶ (num NaN)
 # ```
@@ -214,7 +217,7 @@ fn log {|number| }
 #
 # ```elvish-transcript
 # ~> math:log10 100.0
-# ▶ (num 2)
+# ▶ (num 2.0)
 # ~> math:log10 -1.7
 # ▶ (num NaN)
 # ```
@@ -224,7 +227,7 @@ fn log10 {|number| }
 #
 # ```elvish-transcript
 # ~> math:log2 8
-# ▶ (num 3)
+# ▶ (num 3.0)
 # ~> math:log2 -5.3
 # ▶ (num NaN)
 # ```
@@ -255,7 +258,7 @@ fn max {|@number| }
 # ```elvish-transcript
 # ~> math:min
 # Exception: arity mismatch: arguments must be 1 or more values, but is 0 values
-# [tty 17], line 1: math:min
+#   [tty]:1:1-8: math:min
 # ~> math:min 3 5 2
 # ▶ (num 2)
 # ~> math:min 1/2 1/3 2/3
@@ -344,7 +347,7 @@ fn round-to-even {|number| }
 #
 # ```elvish-transcript
 # ~> math:sin 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:sin 3.14159265
 # ▶ (num 3.5897930298416118e-09)
 # ```
@@ -354,17 +357,17 @@ fn sin {|number| }
 #
 # ```elvish-transcript
 # ~> math:sinh 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ```
 fn sinh {|number| }
 
 # Computes the square-root of `$number`. Examples:
 #
 # ```elvish-transcript
 # ~> math:sqrt 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:sqrt 4
-# ▶ (num 2)
+# ▶ (num 2.0)
 # ~> math:sqrt -4
 # ▶ (num NaN)
 # ```
@@ -374,7 +377,7 @@ fn sqrt {|number| }
 #
 # ```elvish-transcript
 # ~> math:tan 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ~> math:tan 3.14159265
 # ▶ (num -0.0000000035897930298416118)
 # ```
@@ -384,7 +387,7 @@ fn tan {|number| }
 #
 # ```elvish-transcript
 # ~> math:tanh 0
-# ▶ (num 0)
+# ▶ (num 0.0)
 # ```
 fn tanh {|number| }
 

pkg/mods/math/math_test.go

@@ -7,7 +7,7 @@ import (
 	"src.elv.sh/pkg/eval/evaltest"
 )
 
-//go:embed *.elvts
+//go:embed *.elvts *.elv
 var transcripts embed.FS
 
 func TestTranscripts(t *testing.T) {