From ebc114c5266582dcaf5e323e0ec3d2b2a9f17063 Mon Sep 17 00:00:00 2001
From: narimiran <narimiran@disroot.org>
Date: Mon, 22 Feb 2021 13:51:01 +0100
Subject: [PATCH] Revert "fix #17118 (#17119) [backport:1.2]"

This reverts commit 2e896e3360ee6f486dfa47c80e6640736d738258.
---
 compiler/vmops.nim | 11 +----------
 lib/pure/math.nim  | 16 ----------------
 2 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/compiler/vmops.nim b/compiler/vmops.nim
index 518d87b8e0..d4818ce6bd 100644
--- a/compiler/vmops.nim
+++ b/compiler/vmops.nim
@@ -11,8 +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, `mod`, cbrt, arcsinh, arccosh, arctanh, erf, erfc, gamma,
-  lgamma
+  floor, ceil, `mod`
 
 from os import getEnv, existsEnv, dirExists, fileExists, putEnv, walkDir, getAppFilename
 from md5 import getMD5
@@ -143,7 +142,6 @@ proc registerAdditionalOps*(c: PCtx) =
     setResult a, c.config.projectPath.string
 
   wrap1f_math(sqrt)
-  wrap1f_math(cbrt)
   wrap1f_math(ln)
   wrap1f_math(log10)
   wrap1f_math(log2)
@@ -152,9 +150,6 @@ proc registerAdditionalOps*(c: PCtx) =
   wrap1f_math(arccos)
   wrap1f_math(arcsin)
   wrap1f_math(arctan)
-  wrap1f_math(arcsinh)
-  wrap1f_math(arccosh)
-  wrap1f_math(arctanh)
   wrap2f_math(arctan2)
   wrap1f_math(cos)
   wrap1f_math(cosh)
@@ -167,10 +162,6 @@ proc registerAdditionalOps*(c: PCtx) =
   wrap1f_math(trunc)
   wrap1f_math(floor)
   wrap1f_math(ceil)
-  wrap1f_math(erf)
-  wrap1f_math(erfc)
-  wrap1f_math(gamma)
-  wrap1f_math(lgamma)
 
   wrap1s(getMD5, md5op)
 
diff --git a/lib/pure/math.nim b/lib/pure/math.nim
index fdca578835..c8a433559a 100644
--- a/lib/pure/math.nim
+++ b/lib/pure/math.nim
@@ -1185,22 +1185,6 @@ when isMainModule:
     doAssert(classify(trunc(f_nan.float32)) == fcNan)
     doAssert(classify(trunc(0.0'f32)) == fcZero)
 
-  block:
-    when not defined(js):
-      # check for no side effect annotation
-      proc mySqrt(num: float): float {.noSideEffect.} =
-        # xxx unused
-        sqrt(num)
-
-      # check gamma function
-      doAssert gamma(5.0) == 24.0 # 4!
-      doAssert lgamma(1.0) == 0.0 # ln(1.0) == 0.0
-      doAssert erf(6.0) > erf(5.0)
-      doAssert erfc(6.0) < erfc(5.0)
-
-  when not defined(js) and not defined(windows): # xxx pending bug #17017
-    doAssert gamma(-1.0).isNaN
-
   block: # sgn() tests
     assert sgn(1'i8) == 1
     assert sgn(1'i16) == 1