make mod on floats available in the VM (#9591)

* make `mod` on floats available in the VM
* add testcase
* removed no longer needed imports

compiler/vmops.nim

@@ -11,7 +11,7 @@
 #import vmdeps, vm
 from math import sqrt, ln, log10, log2, exp, round, arccos, arcsin,
   arctan, arctan2, cos, cosh, hypot, sinh, sin, tan, tanh, pow, trunc,
-  floor, ceil, fmod
+  floor, ceil, `mod`, fmod
 
 from os import getEnv, existsEnv, dirExists, fileExists, putEnv, walkDir
 
@@ -107,6 +107,10 @@ proc registerAdditionalOps*(c: PCtx) =
   wrap1f_math(ceil)
   wrap2f_math(fmod)
 
+  proc `mod Wrapper`(a: VmArgs) {.nimcall.} =
+    setResult(a, `mod`(getFloat(a, 0), getFloat(a, 1)))
+  registerCallback(c, "stdlib.math.mod", `mod Wrapper`)
+
   when defined(nimcore):
     wrap2s(getEnv, ospathsop)
     wrap1s(existsEnv, ospathsop)