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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"
ZMPLXFUNC_Z(__mth_i_cdlog)
{
ZMPLXARGS_Z;
double x, y;
/*
call libm's atan2 may cause ieee_invalid & ieee_overflow to
be set (f19305)
x = atan2(imag, real);
Call our version, which for x64, is in rte/pgc/hammer/src-amd/datan2.c
*/
x = __mth_i_datan2(imag, real);
y = log(hypot(real, imag));
ZRETURN_D_D(y, x);
}
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