1 /*
2  * Copyright (c) 2017-2019, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #include "mthdecls.h"
19 
CMPLXFUNC_C(__mth_i_ccos)20 CMPLXFUNC_C(__mth_i_ccos)
21 {
22   CMPLXARGS_C;
23   float x, y;
24   /*
25   x = COSF(real) * COSHF(imag);
26   y = -SINF(real) * SINHF(imag);
27   */
28   x = cosf(real);
29   y = sinf(real);
30   x = x * coshf(imag);
31   y = -y * sinhf(imag);
32   CRETURN_F_F(x, y);
33 }
34