================ @@ -0,0 +1,201 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#if __CLC_FPSIZE == 32 + +_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_cosh(__CLC_GENTYPE x) { + // After dealing with special cases the computation is split into regions as + // follows. abs(x) >= max_cosh_arg: cosh(x) = sign(x)*Inf abs(x) >= + // small_threshold: cosh(x) = sign(x)*exp(abs(x))/2 computed using the + // splitexp and scaleDouble functions as for exp_amd(). + // abs(x) < small_threshold: + // compute p = exp(y) - 1 and then z = 0.5*(p+(p/(p+1.0))) + // cosh(x) is then z. + + const __CLC_GENTYPE max_cosh_arg = 0x1.65a9fap+6f; + const __CLC_GENTYPE small_threshold = 0x1.0a2b24p+3f; + + __CLC_UINTN ux = __CLC_AS_UINTN(x); + __CLC_UINTN aux = ux & EXSIGNBIT_SP32; + __CLC_GENTYPE y = __CLC_AS_GENTYPE(aux); ---------------- arsenm wrote:
fabs https://github.com/llvm/llvm-project/pull/134063 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
