test_fmod_mod.cpp

/*
 * The MIT License (MIT)
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 * Copyright (c) 2015-2022 Advanced Micro Devices, Inc. All rights reserved.
 *
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 * of this software and associated documentation files (the "Software"), to deal
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 * furnished to do so, subject to the following conditions:
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#include "verify_program.hpp"
#include <migraphx/program.hpp>
#include <migraphx/generate.hpp>
#include <migraphx/make_op.hpp>
#include <migraphx/common.hpp>

/*
    Checking for y == 0 ? eps : y

    Adding this because HIP fmod sign changes when y = 0 resulting in nan and -nan not beign
   consistent between ref and gpu implementations.
*/
migraphx::instruction_ref add_epsilon(migraphx::module& m, migraphx::instruction_ref y)
{
    auto zero = m.add_literal(0.0f);
    auto eps  = m.add_literal(1e-3f);
    auto op_y = add_common_op(m, migraphx::make_op("equal"), {y, zero});
    return add_common_op(m, migraphx::make_op("where"), {op_y, eps, y});
}

struct test_fmod : verify_program<test_fmod>
{
    migraphx::program create_program() const
    {
        migraphx::program p;
        auto* mm = p.get_main_module();
        migraphx::shape s{migraphx::shape::float_type, {64}};
        auto x        = mm->add_parameter("x", s);
        auto y        = mm->add_parameter("y", s);
        auto op_where = add_epsilon(*mm, y);
        mm->add_instruction(migraphx::make_op("fmod"), x, op_where);
        return p;
    }
};

struct test_mod : verify_program<test_mod>
{
    migraphx::program create_program() const
    {
        migraphx::program p;
        auto* mm = p.get_main_module();
        migraphx::shape s{migraphx::shape::float_type, {64}};
        auto x        = mm->add_parameter("x", s);
        auto y        = mm->add_parameter("y", s);
        auto op_where = add_epsilon(*mm, y);
        mm->add_instruction(migraphx::make_op("mod"), x, op_where);
        return p;
    }
};