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)20CMPLXFUNC_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