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math_h.cu
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math_h.cu
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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <math.h>
// This file was copied from libc++'s test suite, then modified to test CUDA.
// For the most part, this consists of adding __device__ attributes and
// deleting long double.
// This test requires C++11 (it's mostly decltype checks).
#if __cplusplus >= 201103L
#include <math.h>
#include <type_traits>
#include <cassert>
#include <stdio.h>
// See PR21083
// Ambiguous is a user-defined type that defines its own overloads of cmath
// functions. When the std overloads are candidates too (by using or adl),
// they should not interfere.
struct Ambiguous : std::true_type { // ADL
__device__ operator float () { return 0.f; }
__device__ operator double () { return 0.; }
};
__device__ Ambiguous abs(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous acos(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous asin(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous atan(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous atan2(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous ceil(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous cos(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous cosh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous exp(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fabs(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous floor(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fmod(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous frexp(Ambiguous, int*){ return Ambiguous(); }
__device__ Ambiguous ldexp(Ambiguous, int){ return Ambiguous(); }
__device__ Ambiguous log(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous log10(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous modf(Ambiguous, Ambiguous*){ return Ambiguous(); }
__device__ Ambiguous pow(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous sin(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous sinh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous sqrt(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous tan(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous tanh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous signbit(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fpclassify(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isfinite(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isnormal(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isgreaterequal(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isless(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous islessequal(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous islessgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous isunordered(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous acosh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous asinh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous atanh(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous cbrt(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous copysign(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous erf(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous erfc(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous exp2(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous expm1(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fdim(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fma(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fmax(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous fmin(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous hypot(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous ilogb(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous lgamma(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous llrint(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous llround(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous log1p(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous log2(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous logb(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous lrint(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous lround(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous nearbyint(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous nextafter(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous remainder(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous remquo(Ambiguous, Ambiguous, int*){ return Ambiguous(); }
__device__ Ambiguous rint(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous round(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous scalbln(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous scalbn(Ambiguous, Ambiguous){ return Ambiguous(); }
__device__ Ambiguous tgamma(Ambiguous){ return Ambiguous(); }
__device__ Ambiguous trunc(Ambiguous){ return Ambiguous(); }
// helper function to prevent compiler constant-folding test inputs.
template <typename T>
__device__ T V(T input) {
volatile T tmp = input;
return tmp;
}
__device__ void test_abs()
{
static_assert((std::is_same<decltype(abs((float)0)), float>::value), "");
static_assert((std::is_same<decltype(abs((double)0)), double>::value), "");
static_assert((std::is_same<decltype(abs(Ambiguous())), Ambiguous>::value), "");
assert(abs(V(-1)) == 1);
assert(abs(V(-1.)) == 1);
assert(abs(V(-1.f)) == 1);
}
__device__ void test_acos()
{
static_assert((std::is_same<decltype(acos((float)0)), float>::value), "");
static_assert((std::is_same<decltype(acos((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((int)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((long)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(acos((double)0)), double>::value), "");
static_assert((std::is_same<decltype(acosf(0)), float>::value), "");
static_assert((std::is_same<decltype(acos(Ambiguous())), Ambiguous>::value), "");
assert(acos(V(1)) == 0);
assert(acos(V(1.)) == 0);
assert(acos(V(1.f)) == 0);
}
__device__ void test_asin()
{
static_assert((std::is_same<decltype(asin((float)0)), float>::value), "");
static_assert((std::is_same<decltype(asin((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((int)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((long)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(asin((double)0)), double>::value), "");
static_assert((std::is_same<decltype(asinf(0)), float>::value), "");
static_assert((std::is_same<decltype(asin(Ambiguous())), Ambiguous>::value), "");
assert(asin(V(0)) == 0);
assert(asin(V(0.)) == 0);
assert(asin(V(0.f)) == 0);
}
__device__ void test_atan()
{
static_assert((std::is_same<decltype(atan((float)0)), float>::value), "");
static_assert((std::is_same<decltype(atan((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((int)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan((double)0)), double>::value), "");
static_assert((std::is_same<decltype(atanf(0)), float>::value), "");
static_assert((std::is_same<decltype(atan(Ambiguous())), Ambiguous>::value), "");
assert(atan(V(0)) == 0);
assert(atan(V(0.)) == 0);
assert(atan(V(0.f)) == 0);
}
__device__ void test_atan2()
{
static_assert((std::is_same<decltype(atan2((float)0, (float)0)), float>::value), "");
static_assert((std::is_same<decltype(atan2((bool)0, (float)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((unsigned short)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((float)0, (unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((double)0, (long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((int)0, (long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((int)0, (unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((double)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2((float)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2f(0,0)), float>::value), "");
static_assert((std::is_same<decltype(atan2((int)0, (int)0)), double>::value), "");
static_assert((std::is_same<decltype(atan2(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(atan2(V(0), 1) == 0);
assert(atan2(V(0), 1.) == 0);
assert(atan2(V(0), 1.f) == 0);
assert(atan2(V(0.), 1) == 0);
assert(atan2(V(0.), 1.) == 0);
assert(atan2(V(0.), 1.f) == 0);
assert(atan2(V(0.f), 1) == 0);
assert(atan2(V(0.f), 1.) == 0);
assert(atan2(V(0.f), 1.f) == 0);
}
__device__ void test_ceil()
{
static_assert((std::is_same<decltype(ceil((float)0)), float>::value), "");
static_assert((std::is_same<decltype(ceil((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((int)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((long)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(ceil((double)0)), double>::value), "");
static_assert((std::is_same<decltype(ceilf(0)), float>::value), "");
static_assert((std::is_same<decltype(ceil(Ambiguous())), Ambiguous>::value), "");
assert(ceil(V(0)) == 0);
assert(ceil(V(0.)) == 0);
assert(ceil(V(0.f)) == 0);
}
__device__ void test_cos()
{
static_assert((std::is_same<decltype(cos((float)0)), float>::value), "");
static_assert((std::is_same<decltype(cos((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((int)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((long)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cos((double)0)), double>::value), "");
static_assert((std::is_same<decltype(cosf(0)), float>::value), "");
static_assert((std::is_same<decltype(cos(Ambiguous())), Ambiguous>::value), "");
assert(cos(V(0)) == 1);
assert(cos(V(0.)) == 1);
assert(cos(V(0.f)) == 1);
}
__device__ void test_cosh()
{
static_assert((std::is_same<decltype(cosh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(cosh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cosh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(coshf(0)), float>::value), "");
static_assert((std::is_same<decltype(cosh(Ambiguous())), Ambiguous>::value), "");
assert(cosh(V(0)) == 1);
assert(cosh(V(0.)) == 1);
assert(cosh(V(0.f)) == 1);
}
__device__ void test_exp()
{
static_assert((std::is_same<decltype(exp((float)0)), float>::value), "");
static_assert((std::is_same<decltype(exp((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((int)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp((double)0)), double>::value), "");
static_assert((std::is_same<decltype(expf(0)), float>::value), "");
static_assert((std::is_same<decltype(exp(Ambiguous())), Ambiguous>::value), "");
assert(exp(V(0)) == 1);
assert(exp(V(0.)) == 1);
assert(exp(V(0.f)) == 1);
}
__device__ void test_fabs()
{
static_assert((std::is_same<decltype(fabs((float)0)), float>::value), "");
static_assert((std::is_same<decltype(fabs((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((int)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((long)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fabs((double)0)), double>::value), "");
static_assert((std::is_same<decltype(fabsf(0.0f)), float>::value), "");
static_assert((std::is_same<decltype(fabs(Ambiguous())), Ambiguous>::value), "");
assert(fabs(V(-1)) == 1);
assert(fabs(V(-1.)) == 1);
assert(fabs(V(-1.f)) == 1);
}
__device__ void test_floor()
{
static_assert((std::is_same<decltype(floor((float)0)), float>::value), "");
static_assert((std::is_same<decltype(floor((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((int)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((long)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(floor((double)0)), double>::value), "");
static_assert((std::is_same<decltype(floorf(0)), float>::value), "");
static_assert((std::is_same<decltype(floor(Ambiguous())), Ambiguous>::value), "");
assert(floor(V(1)) == 1);
assert(floor(V(1.)) == 1);
assert(floor(V(1.f)) == 1);
}
__device__ void test_fmod()
{
static_assert((std::is_same<decltype(fmod((float)0, (float)0)), float>::value), "");
static_assert((std::is_same<decltype(fmod((bool)0, (float)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((unsigned short)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((float)0, (unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((double)0, (long)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((int)0, (long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((int)0, (unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((double)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod((float)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(fmodf(0,0)), float>::value), "");
static_assert((std::is_same<decltype(fmod((int)0, (int)0)), double>::value), "");
static_assert((std::is_same<decltype(fmod(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(fmod(V(1.5), 1) == .5);
assert(fmod(V(1.5), 1.) == .5);
assert(fmod(V(1.5), 1.f) == .5);
assert(fmod(V(1.5f), 1) == .5);
assert(fmod(V(1.5f), 1.) == .5);
assert(fmod(V(1.5f), 1.f) == .5);
assert(fmod(V(2), 1) == 0);
assert(fmod(V(2), 1.) == 0);
assert(fmod(V(2), 1.f) == 0);
}
__device__ void test_frexp()
{
int ip;
static_assert((std::is_same<decltype(frexp((float)0, &ip)), float>::value), "");
static_assert((std::is_same<decltype(frexp((bool)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((unsigned short)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((int)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((unsigned int)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((long)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((unsigned long)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((long long)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((unsigned long long)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexp((double)0, &ip)), double>::value), "");
static_assert((std::is_same<decltype(frexpf(0, &ip)), float>::value), "");
static_assert((std::is_same<decltype(frexp(Ambiguous(), &ip)), Ambiguous>::value), "");
assert(frexp(V(0), &ip) == 0);
assert(frexp(V(0.), &ip) == 0);
assert(frexp(V(0.f), &ip) == 0);
}
__device__ void test_ldexp()
{
int ip = 1;
static_assert((std::is_same<decltype(ldexp((float)0, ip)), float>::value), "");
static_assert((std::is_same<decltype(ldexp((bool)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((unsigned short)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((int)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((unsigned int)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((long)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((unsigned long)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((long long)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((unsigned long long)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexp((double)0, ip)), double>::value), "");
static_assert((std::is_same<decltype(ldexpf(0, ip)), float>::value), "");
static_assert((std::is_same<decltype(ldexp(Ambiguous(), ip)), Ambiguous>::value), "");
assert(ldexp(V(1), ip) == 2);
assert(ldexp(V(1.), ip) == 2);
assert(ldexp(V(1.f), ip) == 2);
}
__device__ void test_log()
{
static_assert((std::is_same<decltype(log((float)0)), float>::value), "");
static_assert((std::is_same<decltype(log((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(log((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(log((int)0)), double>::value), "");
static_assert((std::is_same<decltype(log((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(log((long)0)), double>::value), "");
static_assert((std::is_same<decltype(log((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(log((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(log((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(log((double)0)), double>::value), "");
static_assert((std::is_same<decltype(logf(0)), float>::value), "");
static_assert((std::is_same<decltype(log(Ambiguous())), Ambiguous>::value), "");
assert(log(V(1)) == 0);
assert(log(V(1.)) == 0);
assert(log(V(1.f)) == 0);
}
__device__ void test_log10()
{
static_assert((std::is_same<decltype(log10((float)0)), float>::value), "");
static_assert((std::is_same<decltype(log10((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((int)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((long)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(log10((double)0)), double>::value), "");
static_assert((std::is_same<decltype(log10f(0)), float>::value), "");
static_assert((std::is_same<decltype(log10(Ambiguous())), Ambiguous>::value), "");
assert(log10(V(1)) == 0);
assert(log10(V(1.)) == 0);
assert(log10(V(1.f)) == 0);
}
__device__ void test_modf()
{
static_assert((std::is_same<decltype(modf((float)0, (float*)0)), float>::value), "");
static_assert((std::is_same<decltype(modf((double)0, (double*)0)), double>::value), "");
static_assert((std::is_same<decltype(modff(0, (float*)0)), float>::value), "");
static_assert((std::is_same<decltype(modf(Ambiguous(), (Ambiguous*)0)), Ambiguous>::value), "");
double i;
assert(modf(V(1), &i) == 0);
assert(modf(V(1.), &i) == 0);
assert(modf(V(1.f), &i) == 0);
}
__device__ void test_pow()
{
static_assert((std::is_same<decltype(pow((float)0, (float)0)), float>::value), "");
static_assert((std::is_same<decltype(pow((bool)0, (float)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((unsigned short)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((float)0, (unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((double)0, (long)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((int)0, (long long)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((int)0, (unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((double)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(pow((float)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(powf(0,0)), float>::value), "");
static_assert((std::is_same<decltype(pow((int)0, (int)0)), double>::value), "");
static_assert((std::is_same<decltype(pow(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(pow(V(1), 1) == 1);
assert(pow(V(1.), 1) == 1);
assert(pow(V(1.f), 1) == 1);
assert(pow(V(1), 1.) == 1);
assert(pow(V(1.), 1.) == 1);
assert(pow(V(1.f), 1.) == 1);
assert(pow(V(1), 1.f) == 1);
assert(pow(V(1.), 1.f) == 1);
assert(pow(V(1.f), 1.f) == 1);
}
__device__ void test_sin()
{
static_assert((std::is_same<decltype(sin((float)0)), float>::value), "");
static_assert((std::is_same<decltype(sin((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((int)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((long)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sin((double)0)), double>::value), "");
static_assert((std::is_same<decltype(sinf(0)), float>::value), "");
static_assert((std::is_same<decltype(sin(Ambiguous())), Ambiguous>::value), "");
assert(sin(0) == 0);
assert(sin(0.) == 0);
assert(sin(0.f) == 0);
}
__device__ void test_sinh()
{
static_assert((std::is_same<decltype(sinh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(sinh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sinh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(sinhf(0)), float>::value), "");
static_assert((std::is_same<decltype(sinh(Ambiguous())), Ambiguous>::value), "");
assert(sinh(V(0)) == 0);
assert(sinh(V(0.)) == 0);
assert(sinh(V(0.f)) == 0);
}
__device__ void test_sqrt()
{
static_assert((std::is_same<decltype(sqrt((float)0)), float>::value), "");
static_assert((std::is_same<decltype(sqrt((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((int)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((long)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrt((double)0)), double>::value), "");
static_assert((std::is_same<decltype(sqrtf(0)), float>::value), "");
static_assert((std::is_same<decltype(sqrt(Ambiguous())), Ambiguous>::value), "");
assert(sqrt(V(4)) == 2);
assert(sqrt(V(4.)) == 2);
assert(sqrt(V(4.f)) == 2);
}
__device__ void test_tan()
{
static_assert((std::is_same<decltype(tan((float)0)), float>::value), "");
static_assert((std::is_same<decltype(tan((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((int)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((long)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(tan((double)0)), double>::value), "");
static_assert((std::is_same<decltype(tanf(0)), float>::value), "");
static_assert((std::is_same<decltype(tan(Ambiguous())), Ambiguous>::value), "");
assert(tan(V(0)) == 0);
assert(tan(V(0.)) == 0);
assert(tan(V(0.f)) == 0);
}
__device__ void test_tanh()
{
static_assert((std::is_same<decltype(tanh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(tanh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(tanh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(tanhf(0)), float>::value), "");
static_assert((std::is_same<decltype(tanh(Ambiguous())), Ambiguous>::value), "");
assert(tanh(V(0)) == 0);
assert(tanh(V(0.)) == 0);
assert(tanh(V(0.f)) == 0);
}
__device__ void test_signbit()
{
#ifdef signbit
#error signbit defined
#endif
static_assert((std::is_same<decltype(signbit((float)0)), bool>::value), "");
static_assert((std::is_same<decltype(signbit((double)0)), bool>::value), "");
static_assert((std::is_same<decltype(signbit(0)), bool>::value), "");
static_assert((std::is_same<decltype(signbit(Ambiguous())), Ambiguous>::value), "");
assert(signbit(V(-1)) == true);
assert(signbit(V(-1.)) == true);
assert(signbit(V(-1.f)) == true);
}
__device__ void test_fpclassify()
{
#ifdef fpclassify
#error fpclassify defined
#endif
static_assert((std::is_same<decltype(fpclassify((float)0)), int>::value), "");
static_assert((std::is_same<decltype(fpclassify((double)0)), int>::value), "");
static_assert((std::is_same<decltype(fpclassify(0)), int>::value), "");
static_assert((std::is_same<decltype(fpclassify(Ambiguous())), Ambiguous>::value), "");
assert(fpclassify(V(-1)) == FP_NORMAL);
assert(fpclassify(V(-1.)) == FP_NORMAL);
assert(fpclassify(V(-1.f)) == FP_NORMAL);
}
__device__ void test_isfinite()
{
#ifdef isfinite
#error isfinite defined
#endif
static_assert((std::is_same<decltype(isfinite((float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isfinite((double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isfinite(0)), bool>::value), "");
static_assert((std::is_same<decltype(isfinite(Ambiguous())), Ambiguous>::value), "");
assert(isfinite(V(-1)) == true);
assert(isfinite(V(-1.)) == true);
assert(isfinite(V(-1.f)) == true);
}
__device__ void test_isnormal()
{
#ifdef isnormal
#error isnormal defined
#endif
static_assert((std::is_same<decltype(isnormal((float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isnormal((double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isnormal(0)), bool>::value), "");
static_assert((std::is_same<decltype(isnormal(Ambiguous())), Ambiguous>::value), "");
assert(std::isnormal(V(-1)) == true);
assert(std::isnormal(V(-1.)) == true);
assert(std::isnormal(V(-1.f)) == true);
}
__device__ void test_isgreater()
{
#ifdef isgreater
#error isgreater defined
#endif
static_assert((std::is_same<decltype(isgreater((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreater((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreater((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreater((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreater(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::isgreater(V(-1), 0) == false);
assert(std::isgreater(V(-1), 0.) == false);
assert(std::isgreater(V(-1), 0.f) == false);
assert(std::isgreater(V(-1.), 0) == false);
assert(std::isgreater(V(-1.), 0.) == false);
assert(std::isgreater(V(-1.), 0.f) == false);
assert(std::isgreater(V(-1.f), 0) == false);
assert(std::isgreater(V(-1.f), 0.) == false);
assert(std::isgreater(V(-1.f), 0.f) == false);
}
__device__ void test_isgreaterequal()
{
#ifdef isgreaterequal
#error isgreaterequal defined
#endif
static_assert((std::is_same<decltype(isgreaterequal((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreaterequal((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreaterequal((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreaterequal((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreaterequal(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isgreaterequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::isgreaterequal(V(-1), 0) == false);
assert(std::isgreaterequal(V(-1), 0.) == false);
assert(std::isgreaterequal(V(-1), 0.f) == false);
assert(std::isgreaterequal(V(-1.), 0) == false);
assert(std::isgreaterequal(V(-1.), 0.) == false);
assert(std::isgreaterequal(V(-1.), 0.f) == false);
assert(std::isgreaterequal(V(-1.f), 0) == false);
assert(std::isgreaterequal(V(-1.f), 0.) == false);
assert(std::isgreaterequal(V(-1.f), 0.f) == false);
}
__device__ void test_isinf()
{
#ifdef isinf
#error isinf defined
#endif
static_assert((std::is_same<decltype(isinf((float)0)), bool>::value), "");
typedef decltype(isinf((double)0)) DoubleRetType;
#ifndef __linux__
static_assert((std::is_same<DoubleRetType, bool>::value), "");
#else
// GLIBC < 2.26 defines 'isinf(double)' with a return type of 'int' in
// all C++ dialects. The test should tolerate this.
// See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
static_assert((std::is_same<DoubleRetType, bool>::value
|| std::is_same<DoubleRetType, int>::value), "");
#endif
static_assert((std::is_same<decltype(isinf(0)), bool>::value), "");
assert(std::isinf(V(-1)) == false);
assert(std::isinf(V(-1.)) == false);
assert(std::isinf(V(-1.f)) == false);
}
__device__ void test_isless()
{
#ifdef isless
#error isless defined
#endif
static_assert((std::is_same<decltype(isless((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isless((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isless((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isless((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isless(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isless(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::isless(V(-1), 0) == true);
assert(std::isless(V(-1), 0.) == true);
assert(std::isless(V(-1), 0.f) == true);
assert(std::isless(V(-1.), 0) == true);
assert(std::isless(V(-1.), 0.) == true);
assert(std::isless(V(-1.), 0.f) == true);
assert(std::isless(V(-1.f), 0) == true);
assert(std::isless(V(-1.f), 0.) == true);
assert(std::isless(V(-1.f), 0.f) == true);
}
__device__ void test_islessequal()
{
#ifdef islessequal
#error islessequal defined
#endif
static_assert((std::is_same<decltype(islessequal((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessequal((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessequal((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessequal((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessequal(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::islessequal(V(-1), 0) == true);
assert(std::islessequal(V(-1), 0.) == true);
assert(std::islessequal(V(-1), 0.f) == true);
assert(std::islessequal(V(-1.), 0) == true);
assert(std::islessequal(V(-1.), 0.) == true);
assert(std::islessequal(V(-1.), 0.f) == true);
assert(std::islessequal(V(-1.f), 0) == true);
assert(std::islessequal(V(-1.f), 0.) == true);
assert(std::islessequal(V(-1.f), 0.f) == true);
}
__device__ void test_islessgreater()
{
#ifdef islessgreater
#error islessgreater defined
#endif
static_assert((std::is_same<decltype(islessgreater((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessgreater((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessgreater((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessgreater((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessgreater(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(islessgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::islessgreater(V(-1), 0) == true);
assert(std::islessgreater(V(-1), 0.) == true);
assert(std::islessgreater(V(-1), 0.f) == true);
assert(std::islessgreater(V(-1.), 0) == true);
assert(std::islessgreater(V(-1.), 0.) == true);
assert(std::islessgreater(V(-1.), 0.f) == true);
assert(std::islessgreater(V(-1.f), 0) == true);
assert(std::islessgreater(V(-1.f), 0.) == true);
assert(std::islessgreater(V(-1.f), 0.f) == true);
}
__device__ void test_isnan()
{
#ifdef isnan
#error isnan defined
#endif
static_assert((std::is_same<decltype(isnan((float)0)), bool>::value), "");
typedef decltype(isnan((double)0)) DoubleRetType;
#ifndef __linux__
static_assert((std::is_same<DoubleRetType, bool>::value), "");
#else
// GLIBC < 2.26 defines 'isnan(double)' with a return type of 'int' in
// all C++ dialects. The test should tolerate this.
// See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
static_assert((std::is_same<DoubleRetType, bool>::value
|| std::is_same<DoubleRetType, int>::value), "");
#endif
static_assert((std::is_same<decltype(isnan(0)), bool>::value), "");
assert(std::isnan(V(-1)) == false);
assert(std::isnan(V(-1.)) == false);
assert(std::isnan(V(-1.f)) == false);
}
__device__ void test_isunordered()
{
#ifdef isunordered
#error isunordered defined
#endif
static_assert((std::is_same<decltype(isunordered((float)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isunordered((float)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isunordered((double)0, (float)0)), bool>::value), "");
static_assert((std::is_same<decltype(isunordered((double)0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isunordered(0, (double)0)), bool>::value), "");
static_assert((std::is_same<decltype(isunordered(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::isunordered(V(-1), 0) == false);
assert(std::isunordered(V(-1), 0.) == false);
assert(std::isunordered(V(-1), 0.f) == false);
assert(std::isunordered(V(-1.), 0) == false);
assert(std::isunordered(V(-1.), 0.) == false);
assert(std::isunordered(V(-1.), 0.f) == false);
assert(std::isunordered(V(-1.f), 0) == false);
assert(std::isunordered(V(-1.f), 0.) == false);
assert(std::isunordered(V(-1.f), 0.f) == false);
}
__device__ void test_acosh()
{
static_assert((std::is_same<decltype(acosh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(acosh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(acosh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(acoshf(0)), float>::value), "");
static_assert((std::is_same<decltype(acosh(Ambiguous())), Ambiguous>::value), "");
assert(std::acosh(V(1)) == 0);
assert(std::acosh(V(1.)) == 0);
assert(std::acosh(V(1.f)) == 0);
}
__device__ void test_asinh()
{
static_assert((std::is_same<decltype(asinh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(asinh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(asinh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(asinhf(0)), float>::value), "");
static_assert((std::is_same<decltype(asinh(Ambiguous())), Ambiguous>::value), "");
assert(asinh(V(0)) == 0);
assert(asinh(V(0.)) == 0);
assert(asinh(V(0.f)) == 0);
}
__device__ void test_atanh()
{
static_assert((std::is_same<decltype(atanh((float)0)), float>::value), "");
static_assert((std::is_same<decltype(atanh((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((int)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((long)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(atanh((double)0)), double>::value), "");
static_assert((std::is_same<decltype(atanhf(0)), float>::value), "");
static_assert((std::is_same<decltype(atanh(Ambiguous())), Ambiguous>::value), "");
assert(atanh(V(0)) == 0);
assert(atanh(V(0.)) == 0);
assert(atanh(V(0.f)) == 0);
}
__device__ void test_cbrt()
{
static_assert((std::is_same<decltype(cbrt((float)0)), float>::value), "");
static_assert((std::is_same<decltype(cbrt((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((int)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((long)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrt((double)0)), double>::value), "");
static_assert((std::is_same<decltype(cbrtf(0)), float>::value), "");
static_assert((std::is_same<decltype(cbrt(Ambiguous())), Ambiguous>::value), "");
assert(cbrt(V(1)) == 1);
assert(cbrt(V(1.)) == 1);
assert(cbrt(V(1.f)) == 1);
}
__device__ void test_copysign()
{
static_assert((std::is_same<decltype(copysign((float)0, (float)0)), float>::value), "");
static_assert((std::is_same<decltype(copysign((bool)0, (float)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((unsigned short)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((float)0, (unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((double)0, (long)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((int)0, (long long)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((int)0, (unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign((double)0, (double)0)), double>::value), "");
// CUDA's copysign(float, double) currently returns a float, in violation
// of the spec. We can't easily change this, so accept either one.
static_assert(
(std::is_same<decltype(copysign((float)0, (double)0)), double>::value ||
std::is_same<decltype(copysign((float)0, (double)0)), float>::value),
"");
static_assert((std::is_same<decltype(copysignf(0,0)), float>::value), "");
static_assert((std::is_same<decltype(copysign((int)0, (int)0)), double>::value), "");
static_assert((std::is_same<decltype(copysign(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
assert(std::copysign(V(1), 1) == 1);
assert(std::copysign(V(1.), 1) == 1);
assert(std::copysign(V(1.f), 1) == 1);
assert(std::copysign(V(1), 1.) == 1);
assert(std::copysign(V(1.), 1.) == 1);
assert(std::copysign(V(1.f), 1.) == 1);
assert(std::copysign(V(1), 1.f) == 1);
assert(std::copysign(V(1.), 1.f) == 1);
assert(std::copysign(V(1.f), 1.f) == 1);
}
__device__ void test_erf()
{
static_assert((std::is_same<decltype(erf((float)0)), float>::value), "");
static_assert((std::is_same<decltype(erf((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((int)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((long)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(erf((double)0)), double>::value), "");
static_assert((std::is_same<decltype(erff(0)), float>::value), "");
static_assert((std::is_same<decltype(erf(Ambiguous())), Ambiguous>::value), "");
assert(erf(V(0)) == 0);
assert(erf(V(0.)) == 0);
assert(erf(V(0.f)) == 0);
}
__device__ void test_erfc()
{
static_assert((std::is_same<decltype(erfc((float)0)), float>::value), "");
static_assert((std::is_same<decltype(erfc((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((int)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((long)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(erfc((double)0)), double>::value), "");
static_assert((std::is_same<decltype(erfcf(0)), float>::value), "");
static_assert((std::is_same<decltype(erfc(Ambiguous())), Ambiguous>::value), "");
assert(erfc(V(0)) == 1);
assert(erfc(V(0.)) == 1);
assert(erfc(V(0.f)) == 1);
}
__device__ void test_exp2()
{
static_assert((std::is_same<decltype(exp2((float)0)), float>::value), "");
static_assert((std::is_same<decltype(exp2((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((int)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2((double)0)), double>::value), "");
static_assert((std::is_same<decltype(exp2f(0)), float>::value), "");
static_assert((std::is_same<decltype(exp2(Ambiguous())), Ambiguous>::value), "");
assert(exp2(V(1)) == 2);
assert(exp2(V(1.)) == 2);
assert(exp2(V(1.f)) == 2);
}
__device__ void test_expm1()
{
static_assert((std::is_same<decltype(expm1((float)0)), float>::value), "");
static_assert((std::is_same<decltype(expm1((bool)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((unsigned short)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((int)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((long)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((unsigned long)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((long long)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1((double)0)), double>::value), "");
static_assert((std::is_same<decltype(expm1f(0)), float>::value), "");
static_assert((std::is_same<decltype(expm1(Ambiguous())), Ambiguous>::value), "");
assert(expm1(V(0)) == 0);
assert(expm1(V(0.)) == 0);
assert(expm1(V(0.f)) == 0);
}
__device__ void test_fdim()
{
static_assert((std::is_same<decltype(fdim((float)0, (float)0)), float>::value), "");
static_assert((std::is_same<decltype(fdim((bool)0, (float)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((unsigned short)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((float)0, (unsigned int)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((double)0, (long)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((int)0, (long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((int)0, (unsigned long long)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((double)0, (double)0)), double>::value), "");
static_assert((std::is_same<decltype(fdim((float)0, (double)0)), double>::value), "");