From befaf83f5f4cfafc7b17c8e384e0457c8493393f Mon Sep 17 00:00:00 2001 From: Gael Guennebaud Date: Tue, 28 Aug 2018 13:21:28 +0200 Subject: [PATCH] bug #1590: fix collision with some system headers defining the macro FP32 --- Eigen/src/Core/arch/GPU/Half.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/Eigen/src/Core/arch/GPU/Half.h b/Eigen/src/Core/arch/GPU/Half.h index aca56fa72..b44a4356a 100644 --- a/Eigen/src/Core/arch/GPU/Half.h +++ b/Eigen/src/Core/arch/GPU/Half.h @@ -399,7 +399,7 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC __half_raw raw_uint16_to_half(unsigned sho return h; } -union FP32 { +union float32_bits { unsigned int u; float f; }; @@ -416,11 +416,11 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC __half_raw float_to_half_rtne(float ff) { return h; #else - FP32 f; f.f = ff; + float32_bits f; f.f = ff; - const FP32 f32infty = { 255 << 23 }; - const FP32 f16max = { (127 + 16) << 23 }; - const FP32 denorm_magic = { ((127 - 15) + (23 - 10) + 1) << 23 }; + const float32_bits f32infty = { 255 << 23 }; + const float32_bits f16max = { (127 + 16) << 23 }; + const float32_bits denorm_magic = { ((127 - 15) + (23 - 10) + 1) << 23 }; unsigned int sign_mask = 0x80000000u; __half_raw o; o.x = static_cast(0x0u); @@ -470,9 +470,9 @@ EIGEN_STRONG_INLINE EIGEN_DEVICE_FUNC float half_to_float(__half_raw h) { return _cvtsh_ss(h.x); #else - const FP32 magic = { 113 << 23 }; + const float32_bits magic = { 113 << 23 }; const unsigned int shifted_exp = 0x7c00 << 13; // exponent mask after shift - FP32 o; + float32_bits o; o.u = (h.x & 0x7fff) << 13; // exponent/mantissa bits unsigned int exp = shifted_exp & o.u; // just the exponent