From df167af0b626479613732389d91e2b7d13f03dc6 Mon Sep 17 00:00:00 2001
From: Robin Voetter <robin@voetter.nl>
Date: Mon, 25 Oct 2021 14:00:10 +0200
Subject: [PATCH] Revert 83bdbb2 and a587dd0 (#10028)

---
 lib/std/math/big/int.zig      | 11 ++++-------
 lib/std/math/big/rational.zig |  5 -----
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/lib/std/math/big/int.zig b/lib/std/math/big/int.zig
index 3b344f89db..5edf5b3ce5 100644
--- a/lib/std/math/big/int.zig
+++ b/lib/std/math/big/int.zig
@@ -18,14 +18,11 @@ const debug_safety = false;
 /// Returns the number of limbs needed to store `scalar`, which must be a
 /// primitive integer value.
 pub fn calcLimbLen(scalar: anytype) usize {
-    const T = @TypeOf(scalar);
-    const max_scalar = switch (@typeInfo(T)) {
-        .Int => maxInt(T),
-        .ComptimeInt => scalar,
-        else => @compileError("parameter must be a primitive integer type"),
-    };
+    if (scalar == 0) {
+        return 1;
+    }
 
-    const w_value = std.math.absCast(max_scalar);
+    const w_value = std.math.absCast(scalar);
     return @divFloor(@intCast(Limb, math.log2(w_value)), limb_bits) + 1;
 }
 
diff --git a/lib/std/math/big/rational.zig b/lib/std/math/big/rational.zig
index 6f32968298..64f444eeca 100644
--- a/lib/std/math/big/rational.zig
+++ b/lib/std/math/big/rational.zig
@@ -4,8 +4,6 @@ const math = std.math;
 const mem = std.mem;
 const testing = std.testing;
 const Allocator = mem.Allocator;
-const builtin = @import("builtin");
-const native_arch = builtin.target.cpu.arch;
 
 const Limb = std.math.big.Limb;
 const DoubleLimb = std.math.big.DoubleLimb;
@@ -539,9 +537,6 @@ test "big.rational set" {
 }
 
 test "big.rational setFloat" {
-    // TODO https://github.com/ziglang/zig/issues/10026
-    if (native_arch == .wasm32) return error.SkipZigTest;
-
     var a = try Rational.init(testing.allocator);
     defer a.deinit();