From 8719b9c5bc1a97e62d675c02495ed72dda6fae73 Mon Sep 17 00:00:00 2001
From: Antonio Sánchez <cantonios@google.com>
Date: Thu, 28 May 2020 17:40:15 +0000
Subject: Disable test for 32-bit systems (e.g. ARM, i386)

Both i386 and 32-bit ARM do not define __uint128_t. On most systems, if
__uint128_t is defined, then so is the macro __SIZEOF_INT128__.

https://stackoverflow.com/questions/18531782/how-to-know-if-uint128-t-is-defined1
---
 unsupported/test/cxx11_tensor_fft.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'unsupported/test/cxx11_tensor_fft.cpp')

diff --git a/unsupported/test/cxx11_tensor_fft.cpp b/unsupported/test/cxx11_tensor_fft.cpp
index 641486a4a..2e1008eca 100644
--- a/unsupported/test/cxx11_tensor_fft.cpp
+++ b/unsupported/test/cxx11_tensor_fft.cpp
@@ -228,10 +228,10 @@ template <typename RealScalar>
 static void test_fft_non_power_of_2_round_trip(int exponent) {
   int n = (1 << exponent) + 1;
 
-  Eigen::DSizes<std::int64_t, 1> dimensions;
+  Eigen::DSizes<ptrdiff_t, 1> dimensions;
   dimensions[0] = n;
-  const DSizes<std::int64_t, 1> arr = dimensions;
-  Tensor<RealScalar, 1, ColMajor, std::int64_t> input;
+  const DSizes<ptrdiff_t, 1> arr = dimensions;
+  Tensor<RealScalar, 1, ColMajor, ptrdiff_t> input;
 
   input.resize(arr);
   input.setRandom();
@@ -242,7 +242,7 @@ static void test_fft_non_power_of_2_round_trip(int exponent) {
   Tensor<std::complex<RealScalar>, 1, ColMajor> forward =
       input.template fft<BothParts, FFT_FORWARD>(fft);
 
-  Tensor<RealScalar, 1, ColMajor, std::int64_t> output =
+  Tensor<RealScalar, 1, ColMajor, ptrdiff_t> output =
       forward.template fft<RealPart, FFT_REVERSE>(fft);
 
   for (int i = 0; i < n; ++i) {
-- 
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