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Add fp16 testing to conversions and bruteforce (#1975)

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Merge the `fp16-staging` branch into `main`, adding fp16 (`half`)
testing to the conversions and math bruteforce tests.

---------

Signed-off-by: Ahmed Hesham <ahmed.hesham@arm.com>
Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
Signed-off-by: Guo, Yilong <yilong.guo@intel.com>
Signed-off-by: John Kesapides <john.kesapides@arm.com>
Co-authored-by: Marcin Hajder <marcin.hajder@gmail.com>
Co-authored-by: Ewan Crawford <ewan@codeplay.com>
Co-authored-by: Wawiorko, Grzegorz <grzegorz.wawiorko@intel.com>
Co-authored-by: Sreelakshmi Haridas Maruthur <sharidas@quicinc.com>
Co-authored-by: Harald van Dijk <harald@gigawatt.nl>
Co-authored-by: Ben Ashbaugh <ben.ashbaugh@intel.com>
Co-authored-by: Haonan Yang <haonan.yang@intel.com>
Co-authored-by: Ahmed Hesham <117350656+ahesham-arm@users.noreply.github.com>
Co-authored-by: niranjanjoshi121 <43807392+niranjanjoshi121@users.noreply.github.com>
Co-authored-by: Wenwan Xing <wenwan.xing@intel.com>
Co-authored-by: Yilong Guo <yilong.guo@intel.com>
Co-authored-by: Romaric Jodin <89833130+rjodinchr@users.noreply.github.com>
Co-authored-by: joshqti <127994991+joshqti@users.noreply.github.com>
Co-authored-by: Pekka Jääskeläinen <pekka.jaaskelainen@tuni.fi>
Co-authored-by: imilenkovic00 <155085410+imilenkovic00@users.noreply.github.com>
Co-authored-by: John Kesapides <46718829+JohnKesapidesARM@users.noreply.github.com>
Co-authored-by: Aharon Abramson <aharon.abramson@mobileye.com>
This commit is contained in:
Sven van Haastregt
2024-06-18 18:43:11 +02:00
committed by GitHub
parent b3c89ebde0
commit b6941b6c61
30 changed files with 7149 additions and 350 deletions
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45
test_conformance/math_brute_force/reference_math.cpp
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@@ -1,5 +1,5 @@
//
// Copyright (c) 2017 The Khronos Group Inc.
// Copyright (c) 2017-2024 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@@ -4699,6 +4699,49 @@ double reference_nextafter(double xx, double yy)
return a.f;
}
cl_half reference_nanh(cl_ushort x)
{
cl_ushort u;
cl_half h;
u = x | 0x7e00U;
memcpy(&h, &u, sizeof(cl_half));
return h;
}
float reference_nextafterh(float xx, float yy, bool allow_denorms)
{
cl_half tmp_a = cl_half_from_float(xx, CL_HALF_RTE);
cl_half tmp_b = cl_half_from_float(yy, CL_HALF_RTE);
float x = cl_half_to_float(tmp_a);
float y = cl_half_to_float(tmp_b);
// take care of nans
if (x != x) return x;
if (y != y) return y;
if (x == y) return y;
short a_h = cl_half_from_float(x, CL_HALF_RTE);
short b_h = cl_half_from_float(y, CL_HALF_RTE);
short oa_h = a_h;
if (a_h & 0x8000) a_h = 0x8000 - a_h;
if (b_h & 0x8000) b_h = 0x8000 - b_h;
a_h += (a_h < b_h) ? 1 : -1;
a_h = (a_h < 0) ? (cl_short)0x8000 - a_h : a_h;
if (!allow_denorms && IsHalfSubnormal(a_h))
{
if (cl_half_to_float(0x7fff & oa_h) < cl_half_to_float(0x7fff & a_h))
a_h = (a_h & 0x8000) ? 0x8400 : 0x0400;
else
a_h = 0;
}
return cl_half_to_float(a_h);
}
long double reference_nextafterl(long double xx, long double yy)
{