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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "mthdecls.h"
CMPLXFUNC_C_C(__mth_i_cdiv)
{
CMPLXARGS_C_C;
float x, y;
float r, d, r_mag, i_mag;
r_mag = real2;
if (r_mag < 0)
r_mag = -r_mag;
i_mag = imag2;
if (i_mag < 0)
i_mag = -i_mag;
/* avoid overflow */
if (r_mag <= i_mag) {
r = real2 / imag2;
d = 1.0f / (imag2 * (1 + r * r));
x = (real1 * r + imag1) * d;
y = (imag1 * r - real1) * d;
} else {
r = imag2 / real2;
d = 1.0f / (real2 * (1 + r * r));
x = (real1 + imag1 * r) * d;
y = (imag1 - real1 * r) * d;
}
CRETURN_F_F(x, y);
}
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