From 88534ba623421c956d8ffcda2d27f41d704d15ef Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Tue, 3 Jul 2018 07:37:12 +0200
Subject: update eigen

---
 eigen/test/half_float.cpp | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

(limited to 'eigen/test/half_float.cpp')

diff --git a/eigen/test/half_float.cpp b/eigen/test/half_float.cpp
index 6f31968..3d2410a 100644
--- a/eigen/test/half_float.cpp
+++ b/eigen/test/half_float.cpp
@@ -96,12 +96,24 @@ void test_conversion()
 
 void test_numtraits()
 {
-  std::cout << "epsilon  = " << NumTraits<half>::epsilon() << std::endl;
-  std::cout << "highest  = " << NumTraits<half>::highest() << std::endl;
-  std::cout << "lowest   = " << NumTraits<half>::lowest() << std::endl;
-  std::cout << "inifinty = " << NumTraits<half>::infinity() << std::endl;
-  std::cout << "nan      = " << NumTraits<half>::quiet_NaN() << std::endl;
-
+  std::cout << "epsilon       = " << NumTraits<half>::epsilon() << "  (0x" << std::hex << NumTraits<half>::epsilon().x << ")" << std::endl;
+  std::cout << "highest       = " << NumTraits<half>::highest() << "  (0x" << std::hex << NumTraits<half>::highest().x << ")" << std::endl;
+  std::cout << "lowest        = " << NumTraits<half>::lowest() << "  (0x" << std::hex << NumTraits<half>::lowest().x << ")" << std::endl;
+  std::cout << "min           = " << (std::numeric_limits<half>::min)() << "  (0x" << std::hex << half((std::numeric_limits<half>::min)()).x << ")" << std::endl;
+  std::cout << "denorm min    = " << (std::numeric_limits<half>::denorm_min)() << "  (0x" << std::hex << half((std::numeric_limits<half>::denorm_min)()).x << ")" << std::endl;
+  std::cout << "infinity      = " << NumTraits<half>::infinity() << "  (0x" << std::hex << NumTraits<half>::infinity().x << ")" << std::endl;
+  std::cout << "quiet nan     = " << NumTraits<half>::quiet_NaN() << "  (0x" << std::hex << NumTraits<half>::quiet_NaN().x << ")" << std::endl;
+  std::cout << "signaling nan = " << std::numeric_limits<half>::signaling_NaN() << "  (0x" << std::hex << std::numeric_limits<half>::signaling_NaN().x << ")" << std::endl;
+
+  VERIFY(NumTraits<half>::IsSigned);
+
+  VERIFY_IS_EQUAL( std::numeric_limits<half>::infinity().x, half(std::numeric_limits<float>::infinity()).x );
+  VERIFY_IS_EQUAL( std::numeric_limits<half>::quiet_NaN().x, half(std::numeric_limits<float>::quiet_NaN()).x );
+  VERIFY_IS_EQUAL( std::numeric_limits<half>::signaling_NaN().x, half(std::numeric_limits<float>::signaling_NaN()).x );
+  VERIFY( (std::numeric_limits<half>::min)() > half(0.f) );
+  VERIFY( (std::numeric_limits<half>::denorm_min)() > half(0.f) );
+  VERIFY( (std::numeric_limits<half>::min)()/half(2) > half(0.f) );
+  VERIFY_IS_EQUAL( (std::numeric_limits<half>::denorm_min)()/half(2), half(0.f) );
 }
 
 void test_arithmetic()
@@ -185,11 +197,6 @@ void test_basic_functions()
   VERIFY_IS_APPROX(float(numext::exp(half(EIGEN_PI))), 20.f + float(EIGEN_PI));
   VERIFY_IS_APPROX(float(exp(half(EIGEN_PI))), 20.f + float(EIGEN_PI));
 
-  VERIFY_IS_EQUAL(float(numext::expm1(half(0.0f))), 0.0f);
-  VERIFY_IS_EQUAL(float(expm1(half(0.0f))), 0.0f);
-  VERIFY_IS_APPROX(float(numext::expm1(half(2.0f))), 6.3890561f);
-  VERIFY_IS_APPROX(float(expm1(half(2.0f))), 6.3890561f);
-
   VERIFY_IS_EQUAL(float(numext::log(half(1.0f))), 0.0f);
   VERIFY_IS_EQUAL(float(log(half(1.0f))), 0.0f);
   VERIFY_IS_APPROX(float(numext::log(half(10.0f))), 2.30273f);
-- 
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