diff options
| -rw-r--r-- | lib/Driver/ToolChains/Clang.cpp | 15 | ||||
| -rw-r--r-- | lib/Headers/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | lib/Headers/__clang_cuda_cmath.h | 10 | ||||
| -rw-r--r-- | lib/Headers/__clang_cuda_device_functions.h | 16 | ||||
| -rw-r--r-- | lib/Headers/__clang_cuda_libdevice_declares.h | 870 | ||||
| -rw-r--r-- | lib/Headers/__clang_cuda_math_forward_declares.h | 4 | ||||
| -rw-r--r-- | lib/Headers/openmp_wrappers/__clang_openmp_math.h | 47 | ||||
| -rw-r--r-- | lib/Headers/openmp_wrappers/cmath | 16 | ||||
| -rw-r--r-- | lib/Headers/openmp_wrappers/math.h | 17 | ||||
| -rw-r--r-- | test/Driver/openmp-offload-gpu.c | 5 | ||||
| -rw-r--r-- | test/Headers/Inputs/include/cmath | 5 | ||||
| -rw-r--r-- | test/Headers/Inputs/include/limits | 10 | ||||
| -rw-r--r-- | test/Headers/Inputs/include/math.h | 4 | ||||
| -rw-r--r-- | test/Headers/nvptx_device_cmath_functions.c | 21 | ||||
| -rw-r--r-- | test/Headers/nvptx_device_cmath_functions.cpp | 21 | ||||
| -rw-r--r-- | test/Headers/nvptx_device_math_functions.c | 21 | ||||
| -rw-r--r-- | test/Headers/nvptx_device_math_functions.cpp | 21 |
17 files changed, 675 insertions, 431 deletions
diff --git a/lib/Driver/ToolChains/Clang.cpp b/lib/Driver/ToolChains/Clang.cpp index cbaf5cbf92..91cc30520f 100644 --- a/lib/Driver/ToolChains/Clang.cpp +++ b/lib/Driver/ToolChains/Clang.cpp @@ -1151,6 +1151,21 @@ void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA, if (JA.isOffloading(Action::OFK_Cuda)) getToolChain().AddCudaIncludeArgs(Args, CmdArgs); + // If we are offloading to a target via OpenMP we need to include the + // openmp_wrappers folder which contains alternative system headers. + if (JA.isDeviceOffloading(Action::OFK_OpenMP) && + getToolChain().getTriple().isNVPTX()){ + if (!Args.hasArg(options::OPT_nobuiltininc)) { + // Add openmp_wrappers/* to our system include path. This lets us wrap + // standard library headers. + SmallString<128> P(D.ResourceDir); + llvm::sys::path::append(P, "include"); + llvm::sys::path::append(P, "openmp_wrappers"); + CmdArgs.push_back("-internal-isystem"); + CmdArgs.push_back(Args.MakeArgString(P)); + } + } + // Add -i* options, and automatically translate to // -include-pch/-include-pth for transparent PCH support. It's // wonky, but we include looking for .gch so we can support seamless diff --git a/lib/Headers/CMakeLists.txt b/lib/Headers/CMakeLists.txt index bfcade4584..803e65a2e1 100644 --- a/lib/Headers/CMakeLists.txt +++ b/lib/Headers/CMakeLists.txt @@ -33,6 +33,9 @@ set(files avxintrin.h bmi2intrin.h bmiintrin.h + openmp_wrappers/math.h + openmp_wrappers/cmath + openmp_wrappers/__clang_openmp_math.h __clang_cuda_builtin_vars.h __clang_cuda_cmath.h __clang_cuda_complex_builtins.h diff --git a/lib/Headers/__clang_cuda_cmath.h b/lib/Headers/__clang_cuda_cmath.h index cbcef0f565..82e52d1466 100644 --- a/lib/Headers/__clang_cuda_cmath.h +++ b/lib/Headers/__clang_cuda_cmath.h @@ -30,7 +30,11 @@ // implementation. Declaring in the global namespace and pulling into namespace // std covers all of the known knowns. +#ifdef _OPENMP +#define __DEVICE__ static __attribute__((always_inline)) +#else #define __DEVICE__ static __device__ __inline__ __attribute__((always_inline)) +#endif __DEVICE__ long long abs(long long __n) { return ::llabs(__n); } __DEVICE__ long abs(long __n) { return ::labs(__n); } @@ -47,6 +51,8 @@ __DEVICE__ float exp(float __x) { return ::expf(__x); } __DEVICE__ float fabs(float __x) { return ::fabsf(__x); } __DEVICE__ float floor(float __x) { return ::floorf(__x); } __DEVICE__ float fmod(float __x, float __y) { return ::fmodf(__x, __y); } +// TODO: remove when variant is supported +#ifndef _OPENMP __DEVICE__ int fpclassify(float __x) { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, __x); @@ -55,6 +61,7 @@ __DEVICE__ int fpclassify(double __x) { return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, __x); } +#endif __DEVICE__ float frexp(float __arg, int *__exp) { return ::frexpf(__arg, __exp); } @@ -434,7 +441,10 @@ using ::remainderf; using ::remquof; using ::rintf; using ::roundf; +// TODO: remove once variant is supported +#ifndef _OPENMP using ::scalblnf; +#endif using ::scalbnf; using ::sinf; using ::sinhf; diff --git a/lib/Headers/__clang_cuda_device_functions.h b/lib/Headers/__clang_cuda_device_functions.h index 1c43f82c3b..c13103d2d5 100644 --- a/lib/Headers/__clang_cuda_device_functions.h +++ b/lib/Headers/__clang_cuda_device_functions.h @@ -10,15 +10,21 @@ #ifndef __CLANG_CUDA_DEVICE_FUNCTIONS_H__ #define __CLANG_CUDA_DEVICE_FUNCTIONS_H__ +#ifndef _OPENMP #if CUDA_VERSION < 9000 #error This file is intended to be used with CUDA-9+ only. #endif +#endif // __DEVICE__ is a helper macro with common set of attributes for the wrappers // we implement in this file. We need static in order to avoid emitting unused // functions and __forceinline__ helps inlining these wrappers at -O1. #pragma push_macro("__DEVICE__") +#ifdef _OPENMP +#define __DEVICE__ static __attribute__((always_inline)) +#else #define __DEVICE__ static __device__ __forceinline__ +#endif // libdevice provides fast low precision and slow full-recision implementations // for some functions. Which one gets selected depends on @@ -38,8 +44,13 @@ __DEVICE__ unsigned int __brev(unsigned int __a) { return __nv_brev(__a); } __DEVICE__ unsigned long long __brevll(unsigned long long __a) { return __nv_brevll(__a); } +#if defined(__cplusplus) __DEVICE__ void __brkpt() { asm volatile("brkpt;"); } __DEVICE__ void __brkpt(int __a) { __brkpt(); } +#else +__DEVICE__ void __attribute__((overloadable)) __brkpt(void) { asm volatile("brkpt;"); } +__DEVICE__ void __attribute__((overloadable)) __brkpt(int __a) { __brkpt(); } +#endif __DEVICE__ unsigned int __byte_perm(unsigned int __a, unsigned int __b, unsigned int __c) { return __nv_byte_perm(__a, __b, __c); @@ -1559,7 +1570,7 @@ __DEVICE__ float j1f(float __a) { return __nv_j1f(__a); } __DEVICE__ double jn(int __n, double __a) { return __nv_jn(__n, __a); } __DEVICE__ float jnf(int __n, float __a) { return __nv_jnf(__n, __a); } #if defined(__LP64__) || defined(_WIN64) -__DEVICE__ long labs(long __a) { return llabs(__a); }; +__DEVICE__ long labs(long __a) { return __nv_llabs(__a); }; #else __DEVICE__ long labs(long __a) { return __nv_abs(__a); }; #endif @@ -1693,6 +1704,8 @@ __DEVICE__ double rsqrt(double __a) { return __nv_rsqrt(__a); } __DEVICE__ float rsqrtf(float __a) { return __nv_rsqrtf(__a); } __DEVICE__ double scalbn(double __a, int __b) { return __nv_scalbn(__a, __b); } __DEVICE__ float scalbnf(float __a, int __b) { return __nv_scalbnf(__a, __b); } +// TODO: remove once variant is supported +#ifndef _OPENMP __DEVICE__ double scalbln(double __a, long __b) { if (__b > INT_MAX) return __a > 0 ? HUGE_VAL : -HUGE_VAL; @@ -1707,6 +1720,7 @@ __DEVICE__ float scalblnf(float __a, long __b) { return __a > 0 ? 0.f : -0.f; return scalbnf(__a, (int)__b); } +#endif __DEVICE__ double sin(double __a) { return __nv_sin(__a); } __DEVICE__ void sincos(double __a, double *__s, double *__c) { return __nv_sincos(__a, __s, __c); diff --git a/lib/Headers/__clang_cuda_libdevice_declares.h b/lib/Headers/__clang_cuda_libdevice_declares.h index cfcc3ed247..4d70353394 100644 --- a/lib/Headers/__clang_cuda_libdevice_declares.h +++ b/lib/Headers/__clang_cuda_libdevice_declares.h @@ -10,443 +10,453 @@ #ifndef __CLANG_CUDA_LIBDEVICE_DECLARES_H__ #define __CLANG_CUDA_LIBDEVICE_DECLARES_H__ +#if defined(__cplusplus) extern "C" { +#endif -__device__ int __nv_abs(int __a); -__device__ double __nv_acos(double __a); -__device__ float __nv_acosf(float __a); -__device__ double __nv_acosh(double __a); -__device__ float __nv_acoshf(float __a); -__device__ double __nv_asin(double __a); -__device__ float __nv_asinf(float __a); -__device__ double __nv_asinh(double __a); -__device__ float __nv_asinhf(float __a); -__device__ double __nv_atan2(double __a, double __b); -__device__ float __nv_atan2f(float __a, float __b); -__device__ double __nv_atan(double __a); -__device__ float __nv_atanf(float __a); -__device__ double __nv_atanh(double __a); -__device__ float __nv_atanhf(float __a); -__device__ int __nv_brev(int __a); -__device__ long long __nv_brevll(long long __a); -__device__ int __nv_byte_perm(int __a, int __b, int __c); -__device__ double __nv_cbrt(double __a); -__device__ float __nv_cbrtf(float __a); -__device__ double __nv_ceil(double __a); -__device__ float __nv_ceilf(float __a); -__device__ int __nv_clz(int __a); -__device__ int __nv_clzll(long long __a); -__device__ double __nv_copysign(double __a, double __b); -__device__ float __nv_copysignf(float __a, float __b); -__device__ double __nv_cos(double __a); -__device__ float __nv_cosf(float __a); -__device__ double __nv_cosh(double __a); -__device__ float __nv_coshf(float __a); -__device__ double __nv_cospi(double __a); -__device__ float __nv_cospif(float __a); -__device__ double __nv_cyl_bessel_i0(double __a); -__device__ float __nv_cyl_bessel_i0f(float __a); -__device__ double __nv_cyl_bessel_i1(double __a); -__device__ float __nv_cyl_bessel_i1f(float __a); -__device__ double __nv_dadd_rd(double __a, double __b); -__device__ double __nv_dadd_rn(double __a, double __b); -__device__ double __nv_dadd_ru(double __a, double __b); -__device__ double __nv_dadd_rz(double __a, double __b); -__device__ double __nv_ddiv_rd(double __a, double __b); -__device__ double __nv_ddiv_rn(double __a, double __b); -__device__ double __nv_ddiv_ru(double __a, double __b); -__device__ double __nv_ddiv_rz(double __a, double __b); -__device__ double __nv_dmul_rd(double __a, double __b); -__device__ double __nv_dmul_rn(double __a, double __b); -__device__ double __nv_dmul_ru(double __a, double __b); -__device__ double __nv_dmul_rz(double __a, double __b); -__device__ float __nv_double2float_rd(double __a); -__device__ float __nv_double2float_rn(double __a); -__device__ float __nv_double2float_ru(double __a); -__device__ float __nv_double2float_rz(double __a); -__device__ int __nv_double2hiint(double __a); -__device__ int __nv_double2int_rd(double __a); -__device__ int __nv_double2int_rn(double __a); -__device__ int __nv_double2int_ru(double __a); -__device__ int __nv_double2int_rz(double __a); -__device__ long long __nv_double2ll_rd(double __a); -__device__ long long __nv_double2ll_rn(double __a); -__device__ long long __nv_double2ll_ru(double __a); -__device__ long long __nv_double2ll_rz(double __a); -__device__ int __nv_double2loint(double __a); -__device__ unsigned int __nv_double2uint_rd(double __a); -__device__ unsigned int __nv_double2uint_rn(double __a); -__device__ unsigned int __nv_double2uint_ru(double __a); -__device__ unsigned int __nv_double2uint_rz(double __a); -__device__ unsigned long long __nv_double2ull_rd(double __a); -__device__ unsigned long long __nv_double2ull_rn(double __a); -__device__ unsigned long long __nv_double2ull_ru(double __a); -__device__ unsigned long long __nv_double2ull_rz(double __a); -__device__ unsigned long long __nv_double_as_longlong(double __a); -__device__ double __nv_drcp_rd(double __a); -__device__ double __nv_drcp_rn(double __a); -__device__ double __nv_drcp_ru(double __a); -__device__ double __nv_drcp_rz(double __a); -__device__ double __nv_dsqrt_rd(double __a); -__device__ double __nv_dsqrt_rn(double __a); -__device__ double __nv_dsqrt_ru(double __a); -__device__ double __nv_dsqrt_rz(double __a); -__device__ double __nv_dsub_rd(double __a, double __b); -__device__ double __nv_dsub_rn(double __a, double __b); -__device__ double __nv_dsub_ru(double __a, double __b); -__device__ double __nv_dsub_rz(double __a, double __b); -__device__ double __nv_erfc(double __a); -__device__ float __nv_erfcf(float __a); -__device__ double __nv_erfcinv(double __a); -__device__ float __nv_erfcinvf(float __a); -__device__ double __nv_erfcx(double __a); -__device__ float __nv_erfcxf(float __a); -__device__ double __nv_erf(double __a); -__device__ float __nv_erff(float __a); -__device__ double __nv_erfinv(double __a); -__device__ float __nv_erfinvf(float __a); -__device__ double __nv_exp10(double __a); -__device__ float __nv_exp10f(float __a); -__device__ double __nv_exp2(double __a); -__device__ float __nv_exp2f(float __a); -__device__ double __nv_exp(double __a); -__device__ float __nv_expf(float __a); -__device__ double __nv_expm1(double __a); -__device__ float __nv_expm1f(float __a); -__device__ double __nv_fabs(double __a); -__device__ float __nv_fabsf(float __a); -__device__ float __nv_fadd_rd(float __a, float __b); -__device__ float __nv_fadd_rn(float __a, float __b); -__device__ float __nv_fadd_ru(float __a, float __b); -__device__ float __nv_fadd_rz(float __a, float __b); -__device__ float __nv_fast_cosf(float __a); -__device__ float __nv_fast_exp10f(float __a); -__device__ float __nv_fast_expf(float __a); -__device__ float __nv_fast_fdividef(float __a, float __b); -__device__ float __nv_fast_log10f(float __a); -__device__ float __nv_fast_log2f(float __a); -__device__ float __nv_fast_logf(float __a); -__device__ float __nv_fast_powf(float __a, float __b); -__device__ void __nv_fast_sincosf(float __a, float *__s, float *__c); -__device__ float __nv_fast_sinf(float __a); -__device__ float __nv_fast_tanf(float __a); -__device__ double __nv_fdim(double __a, double __b); -__device__ float __nv_fdimf(float __a, float __b); -__device__ float __nv_fdiv_rd(float __a, float __b); -__device__ float __nv_fdiv_rn(float __a, float __b); -__device__ float __nv_fdiv_ru(float __a, float __b); -__device__ float __nv_fdiv_rz(float __a, float __b); -__device__ int __nv_ffs(int __a); -__device__ int __nv_ffsll(long long __a); -__device__ int __nv_finitef(float __a); -__device__ unsigned short __nv_float2half_rn(float __a); -__device__ int __nv_float2int_rd(float __a); -__device__ int __nv_float2int_rn(float __a); -__device__ int __nv_float2int_ru(float __a); -__device__ int __nv_float2int_rz(float __a); -__device__ long long __nv_float2ll_rd(float __a); -__device__ long long __nv_float2ll_rn(float __a); -__device__ long long __nv_float2ll_ru(float __a); -__device__ long long __nv_float2ll_rz(float __a); -__device__ unsigned int __nv_float2uint_rd(float __a); -__device__ unsigned int __nv_float2uint_rn(float __a); -__device__ unsigned int __nv_float2uint_ru(float __a); -__device__ unsigned int __nv_float2uint_rz(float __a); -__device__ unsigned long long __nv_float2ull_rd(float __a); -__device__ unsigned long long __nv_float2ull_rn(float __a); -__device__ unsigned long long __nv_float2ull_ru(float __a); -__device__ unsigned long long __nv_float2ull_rz(float __a); -__device__ int __nv_float_as_int(float __a); -__device__ unsigned int __nv_float_as_uint(float __a); -__device__ double __nv_floor(double __a); -__device__ float __nv_floorf(float __a); -__device__ double __nv_fma(double __a, double __b, double __c); -__device__ float __nv_fmaf(float __a, float __b, float __c); -__device__ float __nv_fmaf_ieee_rd(float __a, float __b, float __c); -__device__ float __nv_fmaf_ieee_rn(float __a, float __b, float __c); -__device__ float __nv_fmaf_ieee_ru(float __a, float __b, float __c); -__device__ float __nv_fmaf_ieee_rz(float __a, float __b, float __c); -__device__ float __nv_fmaf_rd(float __a, float __b, float __c); -__device__ float __nv_fmaf_rn(float __a, float __b, float __c); -__device__ float __nv_fmaf_ru(float __a, float __b, float __c); -__device__ float __nv_fmaf_rz(float __a, float __b, float __c); -__device__ double __nv_fma_rd(double __a, double __b, double __c); -__device__ double __nv_fma_rn(double __a, double __b, double __c); -__device__ double __nv_fma_ru(double __a, double __b, double __c); -__device__ double __nv_fma_rz(double __a, double __b, double __c); -__device__ double __nv_fmax(double __a, double __b); -__device__ float __nv_fmaxf(float __a, float __b); -__device__ double __nv_fmin(double __a, double __b); -__device__ float __nv_fminf(float __a, float __b); -__device__ double __nv_fmod(double __a, double __b); -__device__ float __nv_fmodf(float __a, float __b); -__device__ float __nv_fmul_rd(float __a, float __b); -__device__ float __nv_fmul_rn(float __a, float __b); -__device__ float __nv_fmul_ru(float __a, float __b); -__device__ float __nv_fmul_rz(float __a, float __b); -__device__ float __nv_frcp_rd(float __a); -__device__ float __nv_frcp_rn(float __a); -__device__ float __nv_frcp_ru(float __a); -__device__ float __nv_frcp_rz(float __a); -__device__ double __nv_frexp(double __a, int *__b); -__device__ float __nv_frexpf(float __a, int *__b); -__device__ float __nv_frsqrt_rn(float __a); -__device__ float __nv_fsqrt_rd(float __a); -__device__ float __nv_fsqrt_rn(float __a); -__device__ float __nv_fsqrt_ru(float __a); -__device__ float __nv_fsqrt_rz(float __a); -__device__ float __nv_fsub_rd(float __a, float __b); -__device__ float __nv_fsub_rn(float __a, float __b); -__device__ float __nv_fsub_ru(float __a, float __b); -__device__ float __nv_fsub_rz(float __a, float __b); -__device__ int __nv_hadd(int __a, int __b); -__device__ float __nv_half2float(unsigned short __h); -__device__ double __nv_hiloint2double(int __a, int __b); -__device__ double __nv_hypot(double __a, double __b); -__device__ float __nv_hypotf(float __a, float __b); -__device__ int __nv_ilogb(double __a); -__device__ int __nv_ilogbf(float __a); -__device__ double __nv_int2double_rn(int __a); -__device__ float __nv_int2float_rd(int __a); -__device__ float __nv_int2float_rn(int __a); -__device__ float __nv_int2float_ru(int __a); -__device__ float __nv_int2float_rz(int __a); -__device__ float __nv_int_as_float(int __a); -__device__ int __nv_isfinited(double __a); -__device__ int __nv_isinfd(double __a); -__device__ int __nv_isinff(float __a); -__device__ int __nv_isnand(double __a); -__device__ int __nv_isnanf(float __a); -__device__ double __nv_j0(double __a); -__device__ float __nv_j0f(float __a); -__device__ double __nv_j1(double __a); -__device__ float __nv_j1f(float __a); -__device__ float __nv_jnf(int __a, float __b); -__device__ double __nv_jn(int __a, double __b); -__device__ double __nv_ldexp(double __a, int __b); -__device__ float __nv_ldexpf(float __a, int __b); -__device__ double __nv_lgamma(double __a); -__device__ float __nv_lgammaf(float __a); -__device__ double __nv_ll2double_rd(long long __a); -__device__ double __nv_ll2double_rn(long long __a); -__device__ double __nv_ll2double_ru(long long __a); -__device__ double __nv_ll2double_rz(long long __a); -__device__ float __nv_ll2float_rd(long long __a); -__device__ float __nv_ll2float_rn(long long __a); -__device__ float __nv_ll2float_ru(long long __a); -__device__ float __nv_ll2float_rz(long long __a); -__device__ long long __nv_llabs(long long __a); -__device__ long long __nv_llmax(long long __a, long long __b); -__device__ long long __nv_llmin(long long __a, long long __b); -__device__ long long __nv_llrint(double __a); -__device__ long long __nv_llrintf(float __a); -__device__ long long __nv_llround(double __a); -__device__ long long __nv_llroundf(float __a); -__device__ double __nv_log10(double __a); -__device__ float __nv_log10f(float __a); -__device__ double __nv_log1p(double __a); -__device__ float __nv_log1pf(float __a); -__device__ double __nv_log2(double __a); -__device__ float __nv_log2f(float __a); -__device__ double __nv_logb(double __a); -__device__ float __nv_logbf(float __a); -__device__ double __nv_log(double __a); -__device__ float __nv_logf(float __a); -__device__ double __nv_longlong_as_double(long long __a); -__device__ int __nv_max(int __a, int __b); -__device__ int __nv_min(int __a, int __b); -__device__ double __nv_modf(double __a, double *__b); -__device__ float __nv_modff(float __a, float *__b); -__device__ int __nv_mul24(int __a, int __b); -__device__ long long __nv_mul64hi(long long __a, long long __b); -__device__ int __nv_mulhi(int __a, int __b); -__device__ double __nv_nan(const signed char *__a); -__device__ float __nv_nanf(const signed char *__a); -__device__ double __nv_nearbyint(double __a); -__device__ float __nv_nearbyintf(float __a); -__device__ double __nv_nextafter(double __a, double __b); -__device__ float __nv_nextafterf(float __a, float __b); -__device__ double __nv_norm3d(double __a, double __b, double __c); -__device__ float __nv_norm3df(float __a, float __b, float __c); -__device__ double __nv_norm4d(double __a, double __b, double __c, double __d); -__device__ float __nv_norm4df(float __a, float __b, float __c, float __d); -__device__ double __nv_normcdf(double __a); -__device__ float __nv_normcdff(float __a); -__device__ double __nv_normcdfinv(double __a); -__device__ float __nv_normcdfinvf(float __a); -__device__ float __nv_normf(int __a, const float *__b); -__device__ double __nv_norm(int __a, const double *__b); -__device__ int __nv_popc(int __a); -__device__ int __nv_popcll(long long __a); -__device__ double __nv_pow(double __a, double __b); -__device__ float __nv_powf(float __a, float __b); -__device__ double __nv_powi(double __a, int __b); -__device__ float __nv_powif(float __a, int __b); -__device__ double __nv_rcbrt(double __a); -__device__ float __nv_rcbrtf(float __a); -__device__ double __nv_rcp64h(double __a); -__device__ double __nv_remainder(double __a, double __b); -__device__ float __nv_remainderf(float __a, float __b); -__device__ double __nv_remquo(double __a, double __b, int *__c); -__device__ float __nv_remquof(float __a, float __b, int *__c); -__device__ int __nv_rhadd(int __a, int __b); -__device__ double __nv_rhypot(double __a, double __b); -__device__ float __nv_rhypotf(float __a, float __b); -__device__ double __nv_rint(double __a); -__device__ float __nv_rintf(float __a); -__device__ double __nv_rnorm3d(double __a, double __b, double __c); -__device__ float __nv_rnorm3df(float __a, float __b, float __c); -__device__ double __nv_rnorm4d(double __a, double __b, double __c, double __d); -__device__ float __nv_rnorm4df(float __a, float __b, float __c, float __d); -__device__ float __nv_rnormf(int __a, const float *__b); -__device__ double __nv_rnorm(int __a, const double *__b); -__device__ double __nv_round(double __a); -__device__ float __nv_roundf(float __a); -__device__ double __nv_rsqrt(double __a); -__device__ float __nv_rsqrtf(float __a); -__device__ int __nv_sad(int __a, int __b, int __c); -__device__ float __nv_saturatef(float __a); -__device__ double __nv_scalbn(double __a, int __b); -__device__ float __nv_scalbnf(float __a, int __b); -__device__ int __nv_signbitd(double __a); -__device__ int __nv_signbitf(float __a); -__device__ void __nv_sincos(double __a, double *__b, double *__c); -__device__ void __nv_sincosf(float __a, float *__b, float *__c); -__device__ void __nv_sincospi(double __a, double *__b, double *__c); -__device__ void __nv_sincospif(float __a, float *__b, float *__c); -__device__ double __nv_sin(double __a); -__device__ float __nv_sinf(float __a); -__device__ double __nv_sinh(double __a); -__device__ float __nv_sinhf(float __a); -__device__ double __nv_sinpi(double __a); -__device__ float __nv_sinpif(float __a); -__device__ double __nv_sqrt(double __a); -__device__ float __nv_sqrtf(float __a); -__device__ double __nv_tan(double __a); -__device__ float __nv_tanf(float __a); -__device__ double __nv_tanh(double __a); -__device__ float __nv_tanhf(float __a); -__device__ double __nv_tgamma(double __a); -__device__ float __nv_tgammaf(float __a); -__device__ double __nv_trunc(double __a); -__device__ float __nv_truncf(float __a); -__device__ int __nv_uhadd(unsigned int __a, unsigned int __b); -__device__ double __nv_uint2double_rn(unsigned int __i); -__device__ float __nv_uint2float_rd(unsigned int __a); -__device__ float __nv_uint2float_rn(unsigned int __a); -__device__ float __nv_uint2float_ru(unsigned int __a); -__device__ float __nv_uint2float_rz(unsigned int __a); -__device__ float __nv_uint_as_float(unsigned int __a); -__device__ double __nv_ull2double_rd(unsigned long long __a); -__device__ double __nv_ull2double_rn(unsigned long long __a); -__device__ double __nv_ull2double_ru(unsigned long long __a); -__device__ double __nv_ull2double_rz(unsigned long long __a); -__device__ float __nv_ull2float_rd(unsigned long long __a); -__device__ float __nv_ull2float_rn(unsigned long long __a); -__device__ float __nv_ull2float_ru(unsigned long long __a); -__device__ float __nv_ull2float_rz(unsigned long long __a); -__device__ unsigned long long __nv_ullmax(unsigned long long __a, +#if defined(_OPENMP) +#define __DEVICE__ +#elif defined(__CUDA__) +#define __DEVICE__ __device__ +#endif + +__DEVICE__ int __nv_abs(int __a); +__DEVICE__ double __nv_acos(double __a); +__DEVICE__ float __nv_acosf(float __a); +__DEVICE__ double __nv_acosh(double __a); +__DEVICE__ float __nv_acoshf(float __a); +__DEVICE__ double __nv_asin(double __a); +__DEVICE__ float __nv_asinf(float __a); +__DEVICE__ double __nv_asinh(double __a); +__DEVICE__ float __nv_asinhf(float __a); +__DEVICE__ double __nv_atan2(double __a, double __b); +__DEVICE__ float __nv_atan2f(float __a, float __b); +__DEVICE__ double __nv_atan(double __a); +__DEVICE__ float __nv_atanf(float __a); +__DEVICE__ double __nv_atanh(double __a); +__DEVICE__ float __nv_atanhf(float __a); +__DEVICE__ int __nv_brev(int __a); +__DEVICE__ long long __nv_brevll(long long __a); +__DEVICE__ int __nv_byte_perm(int __a, int __b, int __c); +__DEVICE__ double __nv_cbrt(double __a); +__DEVICE__ float __nv_cbrtf(float __a); +__DEVICE__ double __nv_ceil(double __a); +__DEVICE__ float __nv_ceilf(float __a); +__DEVICE__ int __nv_clz(int __a); +__DEVICE__ int __nv_clzll(long long __a); +__DEVICE__ double __nv_copysign(double __a, double __b); +__DEVICE__ float __nv_copysignf(float __a, float __b); +__DEVICE__ double __nv_cos(double __a); +__DEVICE__ float __nv_cosf(float __a); +__DEVICE__ double __nv_cosh(double __a); +__DEVICE__ float __nv_coshf(float __a); +__DEVICE__ double __nv_cospi(double __a); +__DEVICE__ float __nv_cospif(float __a); +__DEVICE__ double __nv_cyl_bessel_i0(double __a); +__DEVICE__ float __nv_cyl_bessel_i0f(float __a); +__DEVICE__ double __nv_cyl_bessel_i1(double __a); +__DEVICE__ float __nv_cyl_bessel_i1f(float __a); +__DEVICE__ double __nv_dadd_rd(double __a, double __b); +__DEVICE__ double __nv_dadd_rn(double __a, double __b); +__DEVICE__ double __nv_dadd_ru(double __a, double __b); +__DEVICE__ double __nv_dadd_rz(double __a, double __b); +__DEVICE__ double __nv_ddiv_rd(double __a, double __b); +__DEVICE__ double __nv_ddiv_rn(double __a, double __b); +__DEVICE__ double __nv_ddiv_ru(double __a, double __b); +__DEVICE__ double __nv_ddiv_rz(double __a, double __b); +__DEVICE__ double __nv_dmul_rd(double __a, double __b); +__DEVICE__ double __nv_dmul_rn(double __a, double __b); +__DEVICE__ double __nv_dmul_ru(double __a, double __b); +__DEVICE__ double __nv_dmul_rz(double __a, double __b); +__DEVICE__ float __nv_double2float_rd(double __a); +__DEVICE__ float __nv_double2float_rn(double __a); +__DEVICE__ float __nv_double2float_ru(double __a); +__DEVICE__ float __nv_double2float_rz(double __a); +__DEVICE__ int __nv_double2hiint(double __a); +__DEVICE__ int __nv_double2int_rd(double __a); +__DEVICE__ int __nv_double2int_rn(double __a); +__DEVICE__ int __nv_double2int_ru(double __a); +__DEVICE__ int __nv_double2int_rz(double __a); +__DEVICE__ long long __nv_double2ll_rd(double __a); +__DEVICE__ long long __nv_double2ll_rn(double __a); +__DEVICE__ long long __nv_double2ll_ru(double __a); +__DEVICE__ long long __nv_double2ll_rz(double __a); +__DEVICE__ int __nv_double2loint(double __a); +__DEVICE__ unsigned int __nv_double2uint_rd(double __a); +__DEVICE__ unsigned int __nv_double2uint_rn(double __a); +__DEVICE__ unsigned int __nv_double2uint_ru(double __a); +__DEVICE__ unsigned int __nv_double2uint_rz(double __a); +__DEVICE__ unsigned long long __nv_double2ull_rd(double __a); +__DEVICE__ unsigned long long __nv_double2ull_rn(double __a); +__DEVICE__ unsigned long long __nv_double2ull_ru(double __a); +__DEVICE__ unsigned long long __nv_double2ull_rz(double __a); +__DEVICE__ unsigned long long __nv_double_as_longlong(double __a); +__DEVICE__ double __nv_drcp_rd(double __a); +__DEVICE__ double __nv_drcp_rn(double __a); +__DEVICE__ double __nv_drcp_ru(double __a); +__DEVICE__ double __nv_drcp_rz(double __a); +__DEVICE__ double __nv_dsqrt_rd(double __a); +__DEVICE__ double __nv_dsqrt_rn(double __a); +__DEVICE__ double __nv_dsqrt_ru(double __a); +__DEVICE__ double __nv_dsqrt_rz(double __a); +__DEVICE__ double __nv_dsub_rd(double __a, double __b); +__DEVICE__ double __nv_dsub_rn(double __a, double __b); +__DEVICE__ double __nv_dsub_ru(double __a, double __b); +__DEVICE__ double __nv_dsub_rz(double __a, double __b); +__DEVICE__ double __nv_erfc(double __a); +__DEVICE__ float __nv_erfcf(float __a); +__DEVICE__ double __nv_erfcinv(double __a); +__DEVICE__ float __nv_erfcinvf(float __a); +__DEVICE__ double __nv_erfcx(double __a); +__DEVICE__ float __nv_erfcxf(float __a); +__DEVICE__ double __nv_erf(double __a); +__DEVICE__ float __nv_erff(float __a); +__DEVICE__ double __nv_erfinv(double __a); +__DEVICE__ float __nv_erfinvf(float __a); +__DEVICE__ double __nv_exp10(double __a); +__DEVICE__ float __nv_exp10f(float __a); +__DEVICE__ double __nv_exp2(double __a); +__DEVICE__ float __nv_exp2f(float __a); +__DEVICE__ double __nv_exp(double __a); +__DEVICE__ float __nv_expf(float __a); +__DEVICE__ double __nv_expm1(double __a); +__DEVICE__ float __nv_expm1f(float __a); +__DEVICE__ double __nv_fabs(double __a); +__DEVICE__ float __nv_fabsf(float __a); +__DEVICE__ float __nv_fadd_rd(float __a, float __b); +__DEVICE__ float __nv_fadd_rn(float __a, float __b); +__DEVICE__ float __nv_fadd_ru(float __a, float __b); +__DEVICE__ float __nv_fadd_rz(float __a, float __b); +__DEVICE__ float __nv_fast_cosf(float __a); +__DEVICE__ float __nv_fast_exp10f(float __a); +__DEVICE__ float __nv_fast_expf(float __a); +__DEVICE__ float __nv_fast_fdividef(float __a, float __b); +__DEVICE__ float __nv_fast_log10f(float __a); +__DEVICE__ float __nv_fast_log2f(float __a); +__DEVICE__ float __nv_fast_logf(float __a); +__DEVICE__ float __nv_fast_powf(float __a, float __b); +__DEVICE__ void __nv_fast_sincosf(float __a, float *__s, float *__c); +__DEVICE__ float __nv_fast_sinf(float __a); +__DEVICE__ float __nv_fast_tanf(float __a); +__DEVICE__ double __nv_fdim(double __a, double __b); +__DEVICE__ float __nv_fdimf(float __a, float __b); +__DEVICE__ float __nv_fdiv_rd(float __a, float __b); +__DEVICE__ float __nv_fdiv_rn(float __a, float __b); +__DEVICE__ float __nv_fdiv_ru(float __a, float __b); +__DEVICE__ float __nv_fdiv_rz(float __a, float __b); +__DEVICE__ int __nv_ffs(int __a); +__DEVICE__ int __nv_ffsll(long long __a); +__DEVICE__ int __nv_finitef(float __a); +__DEVICE__ unsigned short __nv_float2half_rn(float __a); +__DEVICE__ int __nv_float2int_rd(float __a); +__DEVICE__ int __nv_float2int_rn(float __a); +__DEVICE__ int __nv_float2int_ru(float __a); +__DEVICE__ int __nv_float2int_rz(float __a); +__DEVICE__ long long __nv_float2ll_rd(float __a); +__DEVICE__ long long __nv_float2ll_rn(float __a); +__DEVICE__ long long __nv_float2ll_ru(float __a); +__DEVICE__ long long __nv_float2ll_rz(float __a); +__DEVICE__ unsigned int __nv_float2uint_rd(float __a); +__DEVICE__ unsigned int __nv_float2uint_rn(float __a); +__DEVICE__ unsigned int __nv_float2uint_ru(float __a); +__DEVICE__ unsigned int __nv_float2uint_rz(float __a); +__DEVICE__ unsigned long long __nv_float2ull_rd(float __a); +__DEVICE__ unsigned long long __nv_float2ull_rn(float __a); +__DEVICE__ unsigned long long __nv_float2ull_ru(float __a); +__DEVICE__ unsigned long long __nv_float2ull_rz(float __a); +__DEVICE__ int __nv_float_as_int(float __a); +__DEVICE__ unsigned int __nv_float_as_uint(float __a); +__DEVICE__ double __nv_floor(double __a); +__DEVICE__ float __nv_floorf(float __a); +__DEVICE__ double __nv_fma(double __a, double __b, double __c); +__DEVICE__ float __nv_fmaf(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_ieee_rd(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_ieee_rn(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_ieee_ru(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_ieee_rz(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_rd(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_rn(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_ru(float __a, float __b, float __c); +__DEVICE__ float __nv_fmaf_rz(float __a, float __b, float __c); +__DEVICE__ double __nv_fma_rd(double __a, double __b, double __c); +__DEVICE__ double __nv_fma_rn(double __a, double __b, double __c); +__DEVICE__ double __nv_fma_ru(double __a, double __b, double __c); +__DEVICE__ double __nv_fma_rz(double __a, double __b, double __c); +__DEVICE__ double __nv_fmax(double __a, double __b); +__DEVICE__ float __nv_fmaxf(float __a, float __b); +__DEVICE__ double __nv_fmin(double __a, double __b); +__DEVICE__ float __nv_fminf(float __a, float __b); +__DEVICE__ double __nv_fmod(double __a, double __b); +__DEVICE__ float __nv_fmodf(float __a, float __b); +__DEVICE__ float __nv_fmul_rd(float __a, float __b); +__DEVICE__ float __nv_fmul_rn(float __a, float __b); +__DEVICE__ float __nv_fmul_ru(float __a, float __b); +__DEVICE__ float __nv_fmul_rz(float __a, float __b); +__DEVICE__ float __nv_frcp_rd(float __a); +__DEVICE__ float __nv_frcp_rn(float __a); +__DEVICE__ float __nv_frcp_ru(float __a); +__DEVICE__ float __nv_frcp_rz(float __a); +__DEVICE__ double __nv_frexp(double __a, int *__b); +__DEVICE__ float __nv_frexpf(float __a, int *__b); +__DEVICE__ float __nv_frsqrt_rn(float __a); +__DEVICE__ float __nv_fsqrt_rd(float __a); +__DEVICE__ float __nv_fsqrt_rn(float __a); +__DEVICE__ float __nv_fsqrt_ru(float __a); +__DEVICE__ float __nv_fsqrt_rz(float __a); +__DEVICE__ float __nv_fsub_rd(float __a, float __b); +__DEVICE__ float __nv_fsub_rn(float __a, float __b); +__DEVICE__ float __nv_fsub_ru(float __a, float __b); +__DEVICE__ float __nv_fsub_rz(float __a, float __b); +__DEVICE__ int __nv_hadd(int __a, int __b); +__DEVICE__ float __nv_half2float(unsigned short __h); +__DEVICE__ double __nv_hiloint2double(int __a, int __b); +__DEVICE__ double __nv_hypot(double __a, double __b); +__DEVICE__ float __nv_hypotf(float __a, float __b); +__DEVICE__ int __nv_ilogb(double __a); +__DEVICE__ int __nv_ilogbf(float __a); +__DEVICE__ double __nv_int2double_rn(int __a); +__DEVICE__ float __nv_int2float_rd(int __a); +__DEVICE__ float __nv_int2float_rn(int __a); +__DEVICE__ float __nv_int2float_ru(int __a); +__DEVICE__ float __nv_int2float_rz(int __a); +__DEVICE__ float __nv_int_as_float(int __a); +__DEVICE__ int __nv_isfinited(double __a); +__DEVICE__ int __nv_isinfd(double __a); +__DEVICE__ int __nv_isinff(float __a); +__DEVICE__ int __nv_isnand(double __a); +__DEVICE__ int __nv_isnanf(float __a); +__DEVICE__ double __nv_j0(double __a); +__DEVICE__ float __nv_j0f(float __a); +__DEVICE__ double __nv_j1(double __a); +__DEVICE__ float __nv_j1f(float __a); +__DEVICE__ float __nv_jnf(int __a, float __b); +__DEVICE__ double __nv_jn(int __a, double __b); +__DEVICE__ double __nv_ldexp(double __a, int __b); +__DEVICE__ float __nv_ldexpf(float __a, int __b); +__DEVICE__ double __nv_lgamma(double __a); +__DEVICE__ float __nv_lgammaf(float __a); +__DEVICE__ double __nv_ll2double_rd(long long __a); +__DEVICE__ double __nv_ll2double_rn(long long __a); +__DEVICE__ double __nv_ll2double_ru(long long __a); +__DEVICE__ double __nv_ll2double_rz(long long __a); +__DEVICE__ float __nv_ll2float_rd(long long __a); +__DEVICE__ float __nv_ll2float_rn(long long __a); +__DEVICE__ float __nv_ll2float_ru(long long __a); +__DEVICE__ float __nv_ll2float_rz(long long __a); +__DEVICE__ long long __nv_llabs(long long __a); +__DEVICE__ long long __nv_llmax(long long __a, long long __b); +__DEVICE__ long long __nv_llmin(long long __a, long long __b); +__DEVICE__ long long __nv_llrint(double __a); +__DEVICE__ long long __nv_llrintf(float __a); +__DEVICE__ long long __nv_llround(double __a); +__DEVICE__ long long __nv_llroundf(float __a); +__DEVICE__ double __nv_log10(double __a); +__DEVICE__ float __nv_log10f(float __a); +__DEVICE__ double __nv_log1p(double __a); +__DEVICE__ float __nv_log1pf(float __a); +__DEVICE__ double __nv_log2(double __a); +__DEVICE__ float __nv_log2f(float __a); +__DEVICE__ double __nv_logb(double __a); +__DEVICE__ float __nv_logbf(float __a); +__DEVICE__ double __nv_log(double __a); +__DEVICE__ float __nv_logf(float __a); +__DEVICE__ double __nv_longlong_as_double(long long __a); +__DEVICE__ int __nv_max(int __a, int __b); +__DEVICE__ int __nv_min(int __a, int __b); +__DEVICE__ double __nv_modf(double __a, double *__b); +__DEVICE__ float __nv_modff(float __a, float *__b); +__DEVICE__ int __nv_mul24(int __a, int __b); +__DEVICE__ long long __nv_mul64hi(long long __a, long long __b); +__DEVICE__ int __nv_mulhi(int __a, int __b); +__DEVICE__ double __nv_nan(const signed char *__a); +__DEVICE__ float __nv_nanf(const signed char *__a); +__DEVICE__ double __nv_nearbyint(double __a); +__DEVICE__ float __nv_nearbyintf(float __a); +__DEVICE__ double __nv_nextafter(double __a, double __b); +__DEVICE__ float __nv_nextafterf(float __a, float __b); +__DEVICE__ double __nv_norm3d(double __a, double __b, double __c); +__DEVICE__ float __nv_norm3df(float __a, float __b, float __c); +__DEVICE__ double __nv_norm4d(double __a, double __b, double __c, double __d); +__DEVICE__ float __nv_norm4df(float __a, float __b, float __c, float __d); +__DEVICE__ double __nv_normcdf(double __a); +__DEVICE__ float __nv_normcdff(float __a); +__DEVICE__ double __nv_normcdfinv(double __a); +__DEVICE__ float __nv_normcdfinvf(float __a); +__DEVICE__ float __nv_normf(int __a, const float *__b); +__DEVICE__ double __nv_norm(int __a, const double *__b); +__DEVICE__ int __nv_popc(int __a); +__DEVICE__ int __nv_popcll(long long __a); +__DEVICE__ double __nv_pow(double __a, double __b); +__DEVICE__ float __nv_powf(float __a, float __b); +__DEVICE__ double __nv_powi(double __a, int __b); +__DEVICE__ float __nv_powif(float __a, int __b); +__DEVICE__ double __nv_rcbrt(double __a); +__DEVICE__ float __nv_rcbrtf(float __a); +__DEVICE__ double __nv_rcp64h(double __a); +__DEVICE__ double __nv_remainder(double __a, double __b); +__DEVICE__ float __nv_remainderf(float __a, float __b); +__DEVICE__ double __nv_remquo(double __a, double __b, int *__c); +__DEVICE__ float __nv_remquof(float __a, float __b, int *__c); +__DEVICE__ int __nv_rhadd(int __a, int __b); +__DEVICE__ double __nv_rhypot(double __a, double __b); +__DEVICE__ float __nv_rhypotf(float __a, float __b); +__DEVICE__ double __nv_rint(double __a); +__DEVICE__ float __nv_rintf(float __a); +__DEVICE__ double __nv_rnorm3d(double __a, double __b, double __c); +__DEVICE__ float __nv_rnorm3df(float __a, float __b, float __c); +__DEVICE__ double __nv_rnorm4d(double __a, double __b, double __c, double __d); +__DEVICE__ float __nv_rnorm4df(float __a, float __b, float __c, float __d); +__DEVICE__ float __nv_rnormf(int __a, const float *__b); +__DEVICE__ double __nv_rnorm(int __a, const double *__b); +__DEVICE__ double __nv_round(double __a); +__DEVICE__ float __nv_roundf(float __a); +__DEVICE__ double __nv_rsqrt(double __a); +__DEVICE__ float __nv_rsqrtf(float __a); +__DEVICE__ int __nv_sad(int __a, int __b, int __c); +__DEVICE__ float __nv_saturatef(float __a); +__DEVICE__ double __nv_scalbn(double __a, int __b); +__DEVICE__ float __nv_scalbnf(float __a, int __b); +__DEVICE__ int __nv_signbitd(double __a); +__DEVICE__ int __nv_signbitf(float __a); +__DEVICE__ void __nv_sincos(double __a, double *__b, double *__c); +__DEVICE__ void __nv_sincosf(float __a, float *__b, float *__c); +__DEVICE__ void __nv_sincospi(double __a, double *__b, double *__c); +__DEVICE__ void __nv_sincospif(float __a, float *__b, float *__c); +__DEVICE__ double __nv_sin(double __a); +__DEVICE__ float __nv_sinf(float __a); +__DEVICE__ double __nv_sinh(double __a); +__DEVICE__ float __nv_sinhf(float __a); +__DEVICE__ double __nv_sinpi(double __a); +__DEVICE__ float __nv_sinpif(float __a); +__DEVICE__ double __nv_sqrt(double __a); +__DEVICE__ float __nv_sqrtf(float __a); +__DEVICE__ double __nv_tan(double __a); +__DEVICE__ float __nv_tanf(float __a); +__DEVICE__ double __nv_tanh(double __a); +__DEVICE__ float __nv_tanhf(float __a); +__DEVICE__ double __nv_tgamma(double __a); +__DEVICE__ float __nv_tgammaf(float __a); +__DEVICE__ double __nv_trunc(double __a); +__DEVICE__ float __nv_truncf(float __a); +__DEVICE__ int __nv_uhadd(unsigned int __a, unsigned int __b); +__DEVICE__ double __nv_uint2double_rn(unsigned int __i); +__DEVICE__ float __nv_uint2float_rd(unsigned int __a); +__DEVICE__ float __nv_uint2float_rn(unsigned int __a); +__DEVICE__ float __nv_uint2float_ru(unsigned int __a); +__DEVICE__ float __nv_uint2float_rz(unsigned int __a); +__DEVICE__ float __nv_uint_as_float(unsigned int __a); +__DEVICE__ double __nv_ull2double_rd(unsigned long long __a); +__DEVICE__ double __nv_ull2double_rn(unsigned long long __a); +__DEVICE__ double __nv_ull2double_ru(unsigned long long __a); +__DEVICE__ double __nv_ull2double_rz(unsigned long long __a); +__DEVICE__ float __nv_ull2float_rd(unsigned long long __a); +__DEVICE__ float __nv_ull2float_rn(unsigned long long __a); +__DEVICE__ float __nv_ull2float_ru(unsigned long long __a); +__DEVICE__ float __nv_ull2float_rz(unsigned long long __a); +__DEVICE__ unsigned long long __nv_ullmax(unsigned long long __a, unsigned long long __b); -__device__ unsigned long long __nv_ullmin(unsigned long long __a, +__DEVICE__ unsigned long long __nv_ullmin(unsigned long long __a, unsigned long long __b); -__device__ unsigned int __nv_umax(unsigned int __a, unsigned int __b); -__device__ unsigned int __nv_umin(unsigned int __a, unsigned int __b); -__device__ unsigned int __nv_umul24(unsigned int __a, unsigned int __b); -__device__ unsigned long long __nv_umul64hi(unsigned long long __a, +__DEVICE__ unsigned int __nv_umax(unsigned int __a, unsigned int __b); +__DEVICE__ unsigned int __nv_umin(unsigned int __a, unsigned int __b); +__DEVICE__ unsigned int __nv_umul24(unsigned int __a, unsigned int __b); +__DEVICE__ unsigned long long __nv_umul64hi(unsigned long long __a, unsigned long long __b); -__device__ unsigned int __nv_umulhi(unsigned int __a, unsigned int __b); -__device__ unsigned int __nv_urhadd(unsigned int __a, unsigned int __b); -__device__ unsigned int __nv_usad(unsigned int __a, unsigned int __b, +__DEVICE__ unsigned int __nv_umulhi(unsigned int __a, unsigned int __b); +__DEVICE__ unsigned int __nv_urhadd(unsigned int __a, unsigned int __b); +__DEVICE__ unsigned int __nv_usad(unsigned int __a, unsigned int __b, unsigned int __c); #if CUDA_VERSION >= 9000 && CUDA_VERSION < 9020 -__device__ int __nv_vabs2(int __a); -__device__ int __nv_vabs4(int __a); -__device__ int __nv_vabsdiffs2(int __a, int __b); -__device__ int __nv_vabsdiffs4(int __a, int __b); -__device__ int __nv_vabsdiffu2(int __a, int __b); -__device__ int __nv_vabsdiffu4(int __a, int __b); -__device__ int __nv_vabsss2(int __a); -__device__ int __nv_vabsss4(int __a); -__device__ int __nv_vadd2(int __a, int __b); -__device__ int __nv_vadd4(int __a, int __b); -__device__ int __nv_vaddss2(int __a, int __b); -__device__ int __nv_vaddss4(int __a, int __b); -__device__ int __nv_vaddus2(int __a, int __b); -__device__ int __nv_vaddus4(int __a, int __b); -__device__ int __nv_vavgs2(int __a, int __b); -__device__ int __nv_vavgs4(int __a, int __b); -__device__ int __nv_vavgu2(int __a, int __b); -__device__ int __nv_vavgu4(int __a, int __b); -__device__ int __nv_vcmpeq2(int __a, int __b); -__device__ int __nv_vcmpeq4(int __a, int __b); -__device__ int __nv_vcmpges2(int __a, int __b); -__device__ int __nv_vcmpges4(int __a, int __b); -__device__ int __nv_vcmpgeu2(int __a, int __b); -__device__ int __nv_vcmpgeu4(int __a, int __b); -__device__ int __nv_vcmpgts2(int __a, int __b); -__device__ int __nv_vcmpgts4(int __a, int __b); -__device__ int __nv_vcmpgtu2(int __a, int __b); -__device__ int __nv_vcmpgtu4(int __a, int __b); -__device__ int __nv_vcmples2(int __a, int __b); -__device__ int __nv_vcmples4(int __a, int __b); -__device__ int __nv_vcmpleu2(int __a, int __b); -__device__ int __nv_vcmpleu4(int __a, int __b); -__device__ int __nv_vcmplts2(int __a, int __b); -__device__ int __nv_vcmplts4(int __a, int __b); -__device__ int __nv_vcmpltu2(int __a, int __b); -__device__ int __nv_vcmpltu4(int __a, int __b); -__device__ int __nv_vcmpne2(int __a, int __b); -__device__ int __nv_vcmpne4(int __a, int __b); -__device__ int __nv_vhaddu2(int __a, int __b); -__device__ int __nv_vhaddu4(int __a, int __b); -__device__ int __nv_vmaxs2(int __a, int __b); -__device__ int __nv_vmaxs4(int __a, int __b); -__device__ int __nv_vmaxu2(int __a, int __b); -__device__ int __nv_vmaxu4(int __a, int __b); -__device__ int __nv_vmins2(int __a, int __b); -__device__ int __nv_vmins4(int __a, int __b); -__device__ int __nv_vminu2(int __a, int __b); -__device__ int __nv_vminu4(int __a, int __b); -__device__ int __nv_vneg2(int __a); -__device__ int __nv_vneg4(int __a); -__device__ int __nv_vnegss2(int __a); -__device__ int __nv_vnegss4(int __a); -__device__ int __nv_vsads2(int __a, int __b); -__device__ int __nv_vsads4(int __a, int __b); -__device__ int __nv_vsadu2(int __a, int __b); -__device__ int __nv_vsadu4(int __a, int __b); -__device__ int __nv_vseteq2(int __a, int __b); -__device__ int __nv_vseteq4(int __a, int __b); -__device__ int __nv_vsetges2(int __a, int __b); -__device__ int __nv_vsetges4(int __a, int __b); -__device__ int __nv_vsetgeu2(int __a, int __b); -__device__ int __nv_vsetgeu4(int __a, int __b); -__device__ int __nv_vsetgts2(int __a, int __b); -__device__ int __nv_vsetgts4(int __a, int __b); -__device__ int __nv_vsetgtu2(int __a, int __b); -__device__ int __nv_vsetgtu4(int __a, int __b); -__device__ int __nv_vsetles2(int __a, int __b); -__device__ int __nv_vsetles4(int __a, int __b); -__device__ int __nv_vsetleu2(int __a, int __b); -__device__ int __nv_vsetleu4(int __a, int __b); -__device__ int __nv_vsetlts2(int __a, int __b); -__device__ int __nv_vsetlts4(int __a, int __b); -__device__ int __nv_vsetltu2(int __a, int __b); -__device__ int __nv_vsetltu4(int __a, int __b); -__device__ int __nv_vsetne2(int __a, int __b); -__device__ int __nv_vsetne4(int __a, int __b); -__device__ int __nv_vsub2(int __a, int __b); -__device__ int __nv_vsub4(int __a, int __b); -__device__ int __nv_vsubss2(int __a, int __b); -__device__ int __nv_vsubss4(int __a, int __b); -__device__ int __nv_vsubus2(int __a, int __b); -__device__ int __nv_vsubus4(int __a, int __b); +__DEVICE__ int __nv_vabs2(int __a); +__DEVICE__ int __nv_vabs4(int __a); +__DEVICE__ int __nv_vabsdiffs2(int __a, int __b); +__DEVICE__ int __nv_vabsdiffs4(int __a, int __b); +__DEVICE__ int __nv_vabsdiffu2(int __a, int __b); +__DEVICE__ int __nv_vabsdiffu4(int __a, int __b); +__DEVICE__ int __nv_vabsss2(int __a); +__DEVICE__ int __nv_vabsss4(int __a); +__DEVICE__ int __nv_vadd2(int __a, int __b); +__DEVICE__ int __nv_vadd4(int __a, int __b); +__DEVICE__ int __nv_vaddss2(int __a, int __b); +__DEVICE__ int __nv_vaddss4(int __a, int __b); +__DEVICE__ int __nv_vaddus2(int __a, int __b); +__DEVICE__ int __nv_vaddus4(int __a, int __b); +__DEVICE__ int __nv_vavgs2(int __a, int __b); +__DEVICE__ int __nv_vavgs4(int __a, int __b); +__DEVICE__ int __nv_vavgu2(int __a, int __b); +__DEVICE__ int __nv_vavgu4(int __a, int __b); +__DEVICE__ int __nv_vcmpeq2(int __a, int __b); +__DEVICE__ int __nv_vcmpeq4(int __a, int __b); +__DEVICE__ int __nv_vcmpges2(int __a, int __b); +__DEVICE__ int __nv_vcmpges4(int __a, int __b); +__DEVICE__ int __nv_vcmpgeu2(int __a, int __b); +__DEVICE__ int __nv_vcmpgeu4(int __a, int __b); +__DEVICE__ int __nv_vcmpgts2(int __a, int __b); +__DEVICE__ int __nv_vcmpgts4(int __a, int __b); +__DEVICE__ int __nv_vcmpgtu2(int __a, int __b); +__DEVICE__ int __nv_vcmpgtu4(int __a, int __b); +__DEVICE__ int __nv_vcmples2(int __a, int __b); +__DEVICE__ int __nv_vcmples4(int __a, int __b); +__DEVICE__ int __nv_vcmpleu2(int __a, int __b); +__DEVICE__ int __nv_vcmpleu4(int __a, int __b); +__DEVICE__ int __nv_vcmplts2(int __a, int __b); +__DEVICE__ int __nv_vcmplts4(int __a, int __b); +__DEVICE__ int __nv_vcmpltu2(int __a, int __b); +__DEVICE__ int __nv_vcmpltu4(int __a, int __b); +__DEVICE__ int __nv_vcmpne2(int __a, int __b); +__DEVICE__ int __nv_vcmpne4(int __a, int __b); +__DEVICE__ int __nv_vhaddu2(int __a, int __b); +__DEVICE__ int __nv_vhaddu4(int __a, int __b); +__DEVICE__ int __nv_vmaxs2(int __a, int __b); +__DEVICE__ int __nv_vmaxs4(int __a, int __b); +__DEVICE__ int __nv_vmaxu2(int __a, int __b); +__DEVICE__ int __nv_vmaxu4(int __a, int __b); +__DEVICE__ int __nv_vmins2(int __a, int __b); +__DEVICE__ int __nv_vmins4(int __a, int __b); +__DEVICE__ int __nv_vminu2(int __a, int __b); +__DEVICE__ int __nv_vminu4(int __a, int __b); +__DEVICE__ int __nv_vneg2(int __a); +__DEVICE__ int __nv_vneg4(int __a); +__DEVICE__ int __nv_vnegss2(int __a); +__DEVICE__ int __nv_vnegss4(int __a); +__DEVICE__ int __nv_vsads2(int __a, int __b); +__DEVICE__ int __nv_vsads4(int __a, int __b); +__DEVICE__ int __nv_vsadu2(int __a, int __b); +__DEVICE__ int __nv_vsadu4(int __a, int __b); +__DEVICE__ int __nv_vseteq2(int __a, int __b); +__DEVICE__ int __nv_vseteq4(int __a, int __b); +__DEVICE__ int __nv_vsetges2(int __a, int __b); +__DEVICE__ int __nv_vsetges4(int __a, int __b); +__DEVICE__ int __nv_vsetgeu2(int __a, int __b); +__DEVICE__ int __nv_vsetgeu4(int __a, int __b); +__DEVICE__ int __nv_vsetgts2(int __a, int __b); +__DEVICE__ int __nv_vsetgts4(int __a, int __b); +__DEVICE__ int __nv_vsetgtu2(int __a, int __b); +__DEVICE__ int __nv_vsetgtu4(int __a, int __b); +__DEVICE__ int __nv_vsetles2(int __a, int __b); +__DEVICE__ int __nv_vsetles4(int __a, int __b); +__DEVICE__ int __nv_vsetleu2(int __a, int __b); +__DEVICE__ int __nv_vsetleu4(int __a, int __b); +__DEVICE__ int __nv_vsetlts2(int __a, int __b); +__DEVICE__ int __nv_vsetlts4(int __a, int __b); +__DEVICE__ int __nv_vsetltu2(int __a, int __b); +__DEVICE__ int __nv_vsetltu4(int __a, int __b); +__DEVICE__ int __nv_vsetne2(int __a, int __b); +__DEVICE__ int __nv_vsetne4(int __a, int __b); +__DEVICE__ int __nv_vsub2(int __a, int __b); +__DEVICE__ int __nv_vsub4(int __a, int __b); +__DEVICE__ int __nv_vsubss2(int __a, int __b); +__DEVICE__ int __nv_vsubss4(int __a, int __b); +__DEVICE__ int __nv_vsubus2(int __a, int __b); +__DEVICE__ int __nv_vsubus4(int __a, int __b); #endif // CUDA_VERSION -__device__ double __nv_y0(double __a); -__device__ float __nv_y0f(float __a); -__device__ double __nv_y1(double __a); -__device__ float __nv_y1f(float __a); -__device__ float __nv_ynf(int __a, float __b); -__device__ double __nv_yn(int __a, double __b); +__DEVICE__ double __nv_y0(double __a); +__DEVICE__ float __nv_y0f(float __a); +__DEVICE__ double __nv_y1(double __a); +__DEVICE__ float __nv_y1f(float __a); +__DEVICE__ float __nv_ynf(int __a, float __b); +__DEVICE__ double __nv_yn(int __a, double __b); +#if defined(__cplusplus) } // extern "C" +#endif #endif // __CLANG_CUDA_LIBDEVICE_DECLARES_H__ diff --git a/lib/Headers/__clang_cuda_math_forward_declares.h b/lib/Headers/__clang_cuda_math_forward_declares.h index aa4473494b..e1a4e9fe1f 100644 --- a/lib/Headers/__clang_cuda_math_forward_declares.h +++ b/lib/Headers/__clang_cuda_math_forward_declares.h @@ -20,8 +20,12 @@ // would preclude the use of our own __device__ overloads for these functions. #pragma push_macro("__DEVICE__") +#ifdef _OPENMP +#define __DEVICE__ static __inline__ __attribute__((always_inline)) +#else #define __DEVICE__ \ static __inline__ __attribute__((always_inline)) __attribute__((device)) +#endif __DEVICE__ double abs(double); __DEVICE__ float abs(float); diff --git a/lib/Headers/openmp_wrappers/__clang_openmp_math.h b/lib/Headers/openmp_wrappers/__clang_openmp_math.h new file mode 100644 index 0000000000..2f7e5c3ead --- /dev/null +++ b/lib/Headers/openmp_wrappers/__clang_openmp_math.h @@ -0,0 +1,47 @@ +/*===---- __clang_openmp_math.h - OpenMP target math support ---------------=== + * + * 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 defined(__NVPTX__) && defined(_OPENMP) +/// TODO: +/// We are currently reusing the functionality of the Clang-CUDA code path +/// as an alternative to the host declarations provided by math.h and cmath. +/// This is suboptimal. +/// +/// We should instead declare the device functions in a similar way, e.g., +/// through OpenMP 5.0 variants, and afterwards populate the module with the +/// host declarations by unconditionally including the host math.h or cmath, +/// respectively. This is actually what the Clang-CUDA code path does, using +/// __device__ instead of variants to avoid redeclarations and get the desired +/// overload resolution. + +#define __CUDA__ + +#if defined(__cplusplus) + #include <__clang_cuda_math_forward_declares.h> + #include <stdlib.h> +#else + #include <stddef.h> +#endif + +/// Include declarations for libdevice functions. +#include <__clang_cuda_libdevice_declares.h> +/// Provide definitions for these functions. +#include <__clang_cuda_device_functions.h> + +#if defined(__cplusplus) + #include <__clang_cuda_cmath.h> +#endif + +#undef __CUDA__ + +/// Magic macro for stopping the math.h/cmath host header from being included. +#define __CLANG_NO_HOST_MATH__ + +#endif + diff --git a/lib/Headers/openmp_wrappers/cmath b/lib/Headers/openmp_wrappers/cmath new file mode 100644 index 0000000000..a5183a1d8d --- /dev/null +++ b/lib/Headers/openmp_wrappers/cmath @@ -0,0 +1,16 @@ +/*===-------------- cmath - Alternative cmath header -----------------------=== + * + * 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 + * + *===-----------------------------------------------------------------------=== + */ + +#include <__clang_openmp_math.h> + +#ifndef __CLANG_NO_HOST_MATH__ +#include_next <cmath> +#else +#undef __CLANG_NO_HOST_MATH__ +#endif diff --git a/lib/Headers/openmp_wrappers/math.h b/lib/Headers/openmp_wrappers/math.h new file mode 100644 index 0000000000..d2786ecb24 --- /dev/null +++ b/lib/Headers/openmp_wrappers/math.h @@ -0,0 +1,17 @@ +/*===------------- math.h - Alternative math.h header ----------------------=== + * + * 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 + * + *===-----------------------------------------------------------------------=== + */ + +#include <__clang_openmp_math.h> + +#ifndef __CLANG_NO_HOST_MATH__ +#include_next <math.h> +#else +#undef __CLANG_NO_HOST_MATH__ +#endif + diff --git a/test/Driver/openmp-offload-gpu.c b/test/Driver/openmp-offload-gpu.c index 7a4dd95e54..3d2ac4525f 100644 --- a/test/Driver/openmp-offload-gpu.c +++ b/test/Driver/openmp-offload-gpu.c @@ -278,3 +278,8 @@ // RUN: | FileCheck -check-prefix=CUDA_RED_RECS %s // CUDA_RED_RECS: clang{{.*}}"-cc1"{{.*}}"-triple" "nvptx64-nvidia-cuda" // CUDA_RED_RECS-SAME: "-fopenmp-cuda-teams-reduction-recs-num=2048" + +// RUN: %clang -### -no-canonical-prefixes -fopenmp=libomp -fopenmp-targets=nvptx64-nvidia-cuda %s 2>&1 \ +// RUN: | FileCheck -check-prefix=OPENMP_NVPTX_WRAPPERS %s +// OPENMP_NVPTX_WRAPPERS: clang{{.*}}"-cc1"{{.*}}"-triple" "nvptx64-nvidia-cuda" +// OPENMP_NVPTX_WRAPPERS-SAME: "-internal-isystem" "{{.*}}openmp_wrappers" diff --git a/test/Headers/Inputs/include/cmath b/test/Headers/Inputs/include/cmath new file mode 100644 index 0000000000..4ba1795137 --- /dev/null +++ b/test/Headers/Inputs/include/cmath @@ -0,0 +1,5 @@ +#pragma once + +double sqrt(double); +double pow(double, double); +double modf(double, double*); diff --git a/test/Headers/Inputs/include/limits b/test/Headers/Inputs/include/limits new file mode 100644 index 0000000000..fbee11ef11 --- /dev/null +++ b/test/Headers/Inputs/include/limits @@ -0,0 +1,10 @@ +#pragma once + +namespace std +{ +struct __numeric_limits_base + {}; +template<typename _Tp> + struct numeric_limits : public __numeric_limits_base + {}; +} diff --git a/test/Headers/Inputs/include/math.h b/test/Headers/Inputs/include/math.h index 6f70f09bee..4ba1795137 100644 --- a/test/Headers/Inputs/include/math.h +++ b/test/Headers/Inputs/include/math.h @@ -1 +1,5 @@ #pragma once + +double sqrt(double); +double pow(double, double); +double modf(double, double*); diff --git a/test/Headers/nvptx_device_cmath_functions.c b/test/Headers/nvptx_device_cmath_functions.c new file mode 100644 index 0000000000..aa55c1eb65 --- /dev/null +++ b/test/Headers/nvptx_device_cmath_functions.c @@ -0,0 +1,21 @@ +// Test calling of device math functions. +///==========================================================================/// + +// REQUIRES: nvptx-registered-target + +// RUN: %clang_cc1 -internal-isystem %S/Inputs/include -include cmath -fopenmp -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc +// RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include cmath -fopenmp -triple nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck -check-prefix CHECK-YES %s + +#include <cmath> + +void test_sqrt(double a1) { + #pragma omp target + { + // CHECK-YES: call double @__nv_sqrt(double + double l1 = sqrt(a1); + // CHECK-YES: call double @__nv_pow(double + double l2 = pow(a1, a1); + // CHECK-YES: call double @__nv_modf(double + double l3 = modf(a1 + 3.5, &a1); + } +} diff --git a/test/Headers/nvptx_device_cmath_functions.cpp b/test/Headers/nvptx_device_cmath_functions.cpp new file mode 100644 index 0000000000..a5b4377413 --- /dev/null +++ b/test/Headers/nvptx_device_cmath_functions.cpp @@ -0,0 +1,21 @@ +// Test calling of device math functions. +///==========================================================================/// + +// REQUIRES: nvptx-registered-target + +// RUN: %clang_cc1 -internal-isystem %S/Inputs/include -include cmath -x c++ -fopenmp -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc +// RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include cmath -internal-isystem %S/Inputs/include -include stdlib.h -x c++ -fopenmp -triple nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck -check-prefix CHECK-YES %s + +#include <cmath> + +void test_sqrt(double a1) { + #pragma omp target + { + // CHECK-YES: call double @__nv_sqrt(double + double l1 = sqrt(a1); + // CHECK-YES: call double @__nv_pow(double + double l2 = pow(a1, a1); + // CHECK-YES: call double @__nv_modf(double + double l3 = modf(a1 + 3.5, &a1); + } +} diff --git a/test/Headers/nvptx_device_math_functions.c b/test/Headers/nvptx_device_math_functions.c new file mode 100644 index 0000000000..733ad52bd1 --- /dev/null +++ b/test/Headers/nvptx_device_math_functions.c @@ -0,0 +1,21 @@ +// Test calling of device math functions. +///==========================================================================/// + +// REQUIRES: nvptx-registered-target + +// RUN: %clang_cc1 -internal-isystem %S/Inputs/include -include math.h -fopenmp -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc +// RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include math.h -fopenmp -triple nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck -check-prefix CHECK-YES %s + +#include <math.h> + +void test_sqrt(double a1) { + #pragma omp target + { + // CHECK-YES: call double @__nv_sqrt(double + double l1 = sqrt(a1); + // CHECK-YES: call double @__nv_pow(double + double l2 = pow(a1, a1); + // CHECK-YES: call double @__nv_modf(double + double l3 = modf(a1 + 3.5, &a1); + } +} diff --git a/test/Headers/nvptx_device_math_functions.cpp b/test/Headers/nvptx_device_math_functions.cpp new file mode 100644 index 0000000000..9753011243 --- /dev/null +++ b/test/Headers/nvptx_device_math_functions.cpp @@ -0,0 +1,21 @@ +// Test calling of device math functions. +///==========================================================================/// + +// REQUIRES: nvptx-registered-target + +// RUN: %clang_cc1 -internal-isystem %S/Inputs/include -include math.h -x c++ -fopenmp -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc +// RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include math.h -internal-isystem %S/Inputs/include -include stdlib.h -include limits -x c++ -fopenmp -triple nvptx64-nvidia-cuda -aux-triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck -check-prefix CHECK-YES %s + +#include <math.h> + +void test_sqrt(double a1) { + #pragma omp target + { + // CHECK-YES: call double @__nv_sqrt(double + double l1 = sqrt(a1); + // CHECK-YES: call double @__nv_pow(double + double l2 = pow(a1, a1); + // CHECK-YES: call double @__nv_modf(double + double l3 = modf(a1 + 3.5, &a1); + } +} |