C++ (Cpp) __builtin_nearbyint Examples

Example #1

File: vect-rounding-nearbyint.c Project: AlexMioMio/gcc

void
foo (double *output, double *input)
{
  int i = 0;
  /* Vectorizable.  */
  for (i = 0; i < N; i++)
    output[i] = __builtin_nearbyint (input[i]);
}

Example #2

File: cmath_gnu_impl.hpp Project: TheForum/Earth-and-Beyond-server

inline Y nearbyint(const Y& val)
{
    return __builtin_nearbyint(val);
}

Example #3

File: builtins.c Project: JaredCJR/clang

// CHECK-LABEL: define void @test_float_builtin_ops
void test_float_builtin_ops(float F, double D, long double LD) {
  volatile float resf;
  volatile double resd;
  volatile long double resld;

  resf = __builtin_fmodf(F,F);
  // CHECK: frem float

  resd = __builtin_fmod(D,D);
  // CHECK: frem double

  resld = __builtin_fmodl(LD,LD);
  // CHECK: frem x86_fp80

  resf = __builtin_fabsf(F);
  resd = __builtin_fabs(D);
  resld = __builtin_fabsl(LD);
  // CHECK: call float @llvm.fabs.f32(float
  // CHECK: call double @llvm.fabs.f64(double
  // CHECK: call x86_fp80 @llvm.fabs.f80(x86_fp80

  resf = __builtin_canonicalizef(F);
  resd = __builtin_canonicalize(D);
  resld = __builtin_canonicalizel(LD);
  // CHECK: call float @llvm.canonicalize.f32(float
  // CHECK: call double @llvm.canonicalize.f64(double
  // CHECK: call x86_fp80 @llvm.canonicalize.f80(x86_fp80

  resf = __builtin_fminf(F, F);
  // CHECK: call float @llvm.minnum.f32

  resd = __builtin_fmin(D, D);
  // CHECK: call double @llvm.minnum.f64

  resld = __builtin_fminl(LD, LD);
  // CHECK: call x86_fp80 @llvm.minnum.f80

  resf = __builtin_fmaxf(F, F);
  // CHECK: call float @llvm.maxnum.f32

  resd = __builtin_fmax(D, D);
  // CHECK: call double @llvm.maxnum.f64

  resld = __builtin_fmaxl(LD, LD);
  // CHECK: call x86_fp80 @llvm.maxnum.f80

  resf = __builtin_fabsf(F);
  // CHECK: call float @llvm.fabs.f32

  resd = __builtin_fabs(D);
  // CHECK: call double @llvm.fabs.f64

  resld = __builtin_fabsl(LD);
  // CHECK: call x86_fp80 @llvm.fabs.f80

  resf = __builtin_copysignf(F, F);
  // CHECK: call float @llvm.copysign.f32

  resd = __builtin_copysign(D, D);
  // CHECK: call double @llvm.copysign.f64

  resld = __builtin_copysignl(LD, LD);
  // CHECK: call x86_fp80 @llvm.copysign.f80


  resf = __builtin_ceilf(F);
  // CHECK: call float @llvm.ceil.f32

  resd = __builtin_ceil(D);
  // CHECK: call double @llvm.ceil.f64

  resld = __builtin_ceill(LD);
  // CHECK: call x86_fp80 @llvm.ceil.f80

  resf = __builtin_floorf(F);
  // CHECK: call float @llvm.floor.f32

  resd = __builtin_floor(D);
  // CHECK: call double @llvm.floor.f64

  resld = __builtin_floorl(LD);
  // CHECK: call x86_fp80 @llvm.floor.f80

  resf = __builtin_truncf(F);
  // CHECK: call float @llvm.trunc.f32

  resd = __builtin_trunc(D);
  // CHECK: call double @llvm.trunc.f64

  resld = __builtin_truncl(LD);
  // CHECK: call x86_fp80 @llvm.trunc.f80

  resf = __builtin_rintf(F);
  // CHECK: call float @llvm.rint.f32

  resd = __builtin_rint(D);
  // CHECK: call double @llvm.rint.f64

  resld = __builtin_rintl(LD);
  // CHECK: call x86_fp80 @llvm.rint.f80

  resf = __builtin_nearbyintf(F);
  // CHECK: call float @llvm.nearbyint.f32

  resd = __builtin_nearbyint(D);
  // CHECK: call double @llvm.nearbyint.f64

  resld = __builtin_nearbyintl(LD);
  // CHECK: call x86_fp80 @llvm.nearbyint.f80

  resf = __builtin_roundf(F);
  // CHECK: call float @llvm.round.f32

  resd = __builtin_round(D);
  // CHECK: call double @llvm.round.f64

  resld = __builtin_roundl(LD);
  // CHECK: call x86_fp80 @llvm.round.f80

}