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VectorMode.C
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VectorMode.C
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// RUN: %cladclang %s -I%S/../../include -oVectorMode.out 2>&1 | %filecheck %s
// RUN: ./VectorMode.out | %filecheck_exec %s
// XFAIL: asserts
#include "clad/Differentiator/Differentiator.h"
double f1(double x, double y) {
return x*y*(x+y+1);
}
void f1_dvec(double x, double y, double *_d_x, double *_d_y);
// CHECK: void f1_dvec(double x, double y, double *_d_x, double *_d_y) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: double _t0 = x * y;
// CHECK-NEXT: double _t1 = (x + y + 1);
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, (_d_vector_x * y + x * _d_vector_y) * _t1 + _t0 * (_d_vector_x + _d_vector_y + 0)));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double f2(double x, double y) {
// to test usage of local variables.
double temp1 = x*y;
double temp2 = x+y+1;
return temp1*temp2;
}
void f2_dvec(double x, double y, double *_d_x, double *_d_y);
// CHECK: void f2_dvec(double x, double y, double *_d_x, double *_d_y) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_temp1(clad::array<double>(indepVarCount, _d_vector_x * y + x * _d_vector_y));
// CHECK-NEXT: double temp1 = x * y;
// CHECK-NEXT: clad::array<double> _d_vector_temp2(clad::array<double>(indepVarCount, _d_vector_x + _d_vector_y + 0));
// CHECK-NEXT: double temp2 = x + y + 1;
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _d_vector_temp1 * temp2 + temp1 * _d_vector_temp2));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double f3(double x, double y) {
// x * (abs(y) + 1)
if (y < 0) // to test if statements.
y = -y;
y += 1;
return x*y;
}
void f3_dvec(double x, double y, double *_d_x, double *_d_y);
// CHECK: void f3_dvec(double x, double y, double *_d_x, double *_d_y) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: if (y < 0) {
// CHECK-NEXT: _d_vector_y = - _d_vector_y;
// CHECK-NEXT: y = -y;
// CHECK-NEXT: }
// CHECK-NEXT: _d_vector_y += 0;
// CHECK-NEXT: y += 1;
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _d_vector_x * y + x * _d_vector_y));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double f4(double lower, double upper) {
// integral of x^2 using reimann sum
double sum = 0;
double num_points = 10000;
double interval = (upper - lower) / num_points;
for (double x = lower; x <= upper; x += interval) {
sum += x * x * interval;
}
return sum;
}
void f4_dvec(double lower, double upper, double *_d_lower, double *_d_upper);
// CHECK: void f4_dvec(double lower, double upper, double *_d_lower, double *_d_upper) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_lower = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_upper = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_sum(clad::array<double>(indepVarCount, 0));
// CHECK-NEXT: double sum = 0;
// CHECK-NEXT: clad::array<double> _d_vector_num_points(clad::array<double>(indepVarCount, 0));
// CHECK-NEXT: double num_points = 10000;
// CHECK-NEXT: double _t0 = (upper - lower);
// CHECK-NEXT: clad::array<double> _d_vector_interval(clad::array<double>(indepVarCount, ((_d_vector_upper - _d_vector_lower) * num_points - _t0 * _d_vector_num_points) / (num_points * num_points)));
// CHECK-NEXT: double interval = _t0 / num_points;
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_x(clad::array<double>(indepVarCount, _d_vector_lower));
// CHECK-NEXT: for (double x = lower; x <= upper; (_d_vector_x += _d_vector_interval) , (x += interval)) {
// CHECK-NEXT: double _t1 = x * x;
// CHECK-NEXT: _d_vector_sum += (_d_vector_x * x + x * _d_vector_x) * interval + _t1 * _d_vector_interval;
// CHECK-NEXT: sum += _t1 * interval;
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _d_vector_sum));
// CHECK-NEXT: *_d_lower = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_upper = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double f5(double x, double y, double z) {
return 1.0*x + 2.0*y + 3.0*z;
}
// all
// CHECK: void f5_dvec(double x, double y, double z, double *_d_x, double *_d_y, double *_d_z) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{3U|3UL|3ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_z = clad::one_hot_vector(indepVarCount, {{2U|2UL|2ULL}});
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, 0. * x + 1. * _d_vector_x + 0. * y + 2. * _d_vector_y + 0. * z + 3. * _d_vector_z));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: *_d_z = _d_vector_return[{{2U|2UL|2ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
// x, y
// CHECK: void f5_dvec_0_1(double x, double y, double z, double *_d_x, double *_d_y) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_z = clad::zero_vector(indepVarCount);
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, 0. * x + 1. * _d_vector_x + 0. * y + 2. * _d_vector_y + 0. * z + 3. * _d_vector_z));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
// x, z
// CHECK: void f5_dvec_0_2(double x, double y, double z, double *_d_x, double *_d_z) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::array<double> _d_vector_z = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, 0. * x + 1. * _d_vector_x + 0. * y + 2. * _d_vector_y + 0. * z + 3. * _d_vector_z));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_z = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
// y, z
// CHECK: void f5_dvec_1_2(double x, double y, double z, double *_d_y, double *_d_z) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_z = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, 0. * x + 1. * _d_vector_x + 0. * y + 2. * _d_vector_y + 0. * z + 3. * _d_vector_z));
// CHECK-NEXT: *_d_y = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_z = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
// z
// CHECK: void f5_dvec_2(double x, double y, double z, double *_d_z) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{1U|1UL|1ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::array<double> _d_vector_z = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, 0. * x + 1. * _d_vector_x + 0. * y + 2. * _d_vector_y + 0. * z + 3. * _d_vector_z));
// CHECK-NEXT: *_d_z = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double square(const double& x) {
double z = x*x;
return z;
}
// CHECK: clad::ValueAndPushforward<double, clad::array<double> > square_vector_pushforward(const double &x, const clad::array<double> &_d_x);
double f6(double x, double y) {
return square(x) + square(y);
}
// CHECK: void f6_dvec(double x, double y, double *_d_x, double *_d_y) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = {{2U|2UL|2ULL}};
// CHECK-NEXT: clad::array<double> _d_vector_x = clad::one_hot_vector(indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_y = clad::one_hot_vector(indepVarCount, {{1U|1UL|1ULL}});
// CHECK-NEXT: clad::ValueAndPushforward<double, clad::array<double> > _t0 = square_vector_pushforward(x, _d_vector_x);
// CHECK-NEXT: clad::ValueAndPushforward<double, clad::array<double> > _t1 = square_vector_pushforward(y, _d_vector_y);
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _t0.pushforward + _t1.pushforward));
// CHECK-NEXT: *_d_x = _d_vector_return[{{0U|0UL|0ULL}}];
// CHECK-NEXT: *_d_y = _d_vector_return[{{1U|1UL|1ULL}}];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
double weighted_array_squared_sum(const double* arr, double w, int n) {
double sum = 0;
for (int i = 0; i < n; ++i) {
sum += w * square(arr[i]);
}
return sum;
}
double f7(const double* arr, double w, int n) {
return weighted_array_squared_sum(arr, w, n);
}
// CHECK: clad::ValueAndPushforward<double, clad::array<double> > weighted_array_squared_sum_vector_pushforward(const double *arr, double w, int n, clad::matrix<double> &_d_arr, clad::array<double> _d_w, clad::array<int> _d_n);
// CHECK: void f7_dvec_0_1(const double *arr, double w, int n, clad::array_ref<double> _d_arr, double *_d_w) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = _d_arr.size() + {{1U|1UL|1ULL}};
// CHECK-NEXT: clad::matrix<double> _d_vector_arr = clad::identity_matrix(_d_arr.size(), indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_w = clad::one_hot_vector(indepVarCount, _d_arr.size());
// CHECK-NEXT: clad::array<int> _d_vector_n = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::ValueAndPushforward<double, clad::array<double> > _t0 = weighted_array_squared_sum_vector_pushforward(arr, w, n, _d_vector_arr, _d_vector_w, _d_vector_n);
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _t0.pushforward));
// CHECK-NEXT: _d_arr = _d_vector_return.slice({{0U|0UL|0ULL}}, _d_arr.size());
// CHECK-NEXT: *_d_w = _d_vector_return[_d_arr.size()];
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
void sum_ref(double& res, int n, const double* arr) {
for(int i=0; i<n; ++i) {
res += arr[i];
}
return;
}
// CHECK: void sum_ref_vector_pushforward(double &res, int n, const double *arr, clad::array<double> &_d_res, clad::array<int> _d_n, clad::matrix<double> &_d_arr);
double f8(int n, const double* arr) {
double res = 0;
sum_ref(res, n, arr);
return res;
}
// CHECK: void f8_dvec_1(int n, const double *arr, clad::array_ref<double> _d_arr) {
// CHECK-NEXT: unsigned {{int|long|long long}} indepVarCount = _d_arr.size();
// CHECK-NEXT: clad::array<int> _d_vector_n = clad::zero_vector(indepVarCount);
// CHECK-NEXT: clad::matrix<double> _d_vector_arr = clad::identity_matrix(_d_arr.size(), indepVarCount, {{0U|0UL|0ULL}});
// CHECK-NEXT: clad::array<double> _d_vector_res(clad::array<double>(indepVarCount, 0));
// CHECK-NEXT: double res = 0;
// CHECK-NEXT: sum_ref_vector_pushforward(res, n, arr, _d_vector_res, _d_vector_n, _d_vector_arr);
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<double> _d_vector_return(clad::array<double>(indepVarCount, _d_vector_res));
// CHECK-NEXT: _d_arr = _d_vector_return.slice({{0U|0UL|0ULL}}, _d_arr.size());
// CHECK-NEXT: return;
// CHECK-NEXT: }
// CHECK-NEXT: }
namespace clad {
namespace custom_derivatives{
void f9_dvec(double x, double y, double *d_x, double *d_y) {
*d_x += 1;
*d_y += 1;
}
}
}
double f9(double x, double y) {
return x + y;
}
// CHECK: void f9_dvec(double x, double y, double *d_x, double *d_y) {
// CHECK-NEXT: *d_x += 1;
// CHECK-NEXT: *d_y += 1;
// CHECK-NEXT: }
#define TEST(F, x, y) \
{ \
result[0] = 0; \
result[1] = 0; \
clad::differentiate<clad::opts::vector_mode>(F); \
F##_dvec(x, y, &result[0], &result[1]); \
printf("Result is = {%.2f, %.2f}\n", result[0], result[1]); \
}
int main() {
double result[3];
TEST(f1, 3, 4); // CHECK-EXEC: Result is = {44.00, 36.00}
TEST(f2, 3, 4); // CHECK-EXEC: Result is = {44.00, 36.00}
TEST(f3, 3, -4); // CHECK-EXEC: Result is = {5.00, -3.00}
TEST(f4, 1, 2); // CHECK-EXEC: Result is = {-1.00, 4.00}
// Testing derivatives of partial parameters.
auto f_dvec_x_y_z = clad::differentiate<clad::opts::vector_mode>(f5, "x, y, z");
f_dvec_x_y_z.execute(1, 2, 3, &result[0], &result[1], &result[2]);
printf("Result is = {%.2f, %.2f, %.2f}\n", result[0], result[1], result[2]); // CHECK-EXEC: Result is = {1.00, 2.00, 3.00}
auto f_dvec_x_y = clad::differentiate<clad::opts::vector_mode>(f5, "x, y");
f_dvec_x_y.execute(1, 2, 3, &result[0], &result[1]);
printf("Result is = {%.2f, %.2f}\n", result[0], result[1]); // CHECK-EXEC: Result is = {1.00, 2.00}
auto f_dvec_x_z = clad::differentiate<clad::opts::vector_mode>(f5, "x, z");
f_dvec_x_z.execute(1, 2, 3, &result[0], &result[1]);
printf("Result is = {%.2f, %.2f}\n", result[0], result[1]); // CHECK-EXEC: Result is = {1.00, 3.00}
auto f_dvec_y_z = clad::differentiate<clad::opts::vector_mode>(f5, "y, z");
f_dvec_y_z.execute(1, 2, 3, &result[0], &result[1]);
printf("Result is = {%.2f, %.2f}\n", result[0], result[1]); // CHECK-EXEC: Result is = {2.00, 3.00}
auto f_dvec_y_x = clad::differentiate<clad::opts::vector_mode>(f5, "y, x");
f_dvec_y_x.execute(1, 2, 3, &result[0], &result[1]);
auto f_dvec_z = clad::differentiate<clad::opts::vector_mode>(f5, "z");
f_dvec_z.execute(1, 2, 3, &result[0]);
printf("Result is = {%.2f}\n", result[0]); // CHECK-EXEC: Result is = {3.00}
// Testing derivatives of function calls.
auto f6_dvec = clad::differentiate<clad::opts::vector_mode>(f6);
f6_dvec.execute(1, 2, &result[0], &result[1]);
printf("Result is = {%.2f, %.2f}\n", result[0], result[1]); // CHECK-EXEC: Result is = {2.00, 4.00}
// Testing derivatives of function calls with array parameters.
auto f7_dvec = clad::differentiate<clad::opts::vector_mode>(f7, "arr,w");
double arr[3] = {1, 2, 3};
double w = 2, dw = 0;
double darr[3] = {0, 0, 0};
clad::array_ref<double> darr_ref(darr, 3);
f7_dvec.execute(arr, 2, 3, darr_ref, &dw);
printf("Result is = {%.2f, %.2f, %.2f, %.2f}\n", darr[0], darr[1], darr[2], dw); // CHECK-EXEC: Result is = {4.00, 8.00, 12.00, 14.00}
// Testing derivatives of function calls with array and reference parameters.
auto f8_dvec = clad::differentiate<clad::opts::vector_mode>(f8, "arr");
double arr2[3] = {1, 2, 3};
double darr2[3] = {0, 0, 0};
clad::array_ref<double> darr2_ref(darr2, 3);
f8_dvec.execute(3, arr2, darr2_ref);
printf("Result is = {%.2f, %.2f, %.2f}\n", darr2[0], darr2[1], darr2[2]); // CHECK-EXEC: Result is = {1.00, 1.00, 1.00}
auto f9_dvec = clad::differentiate<clad::opts::vector_mode>(f9);
double dx = 0, dy = 0;
f9_dvec.execute(1, 2, &dx, &dy);
printf("Result is = {%.2f, %.2f}\n", dx, dy); // CHECK-EXEC: Result is = {1.00, 1.00}
// CHECK: clad::ValueAndPushforward<double, clad::array<double> > square_vector_pushforward(const double &x, const clad::array<double> &_d_x) {
// CHECK-NEXT: unsigned long indepVarCount = _d_x.size();
// CHECK-NEXT: clad::array<double> _d_vector_z(clad::array<double>(indepVarCount, _d_x * x + x * _d_x));
// CHECK-NEXT: double z = x * x;
// CHECK-NEXT: return {z, _d_vector_z};
// CHECK-NEXT: }
// CHECK: clad::ValueAndPushforward<double, clad::array<double> > weighted_array_squared_sum_vector_pushforward(const double *arr, double w, int n, clad::matrix<double> &_d_arr, clad::array<double> _d_w, clad::array<int> _d_n) {
// CHECK-NEXT: unsigned long indepVarCount = _d_n.size();
// CHECK-NEXT: clad::array<double> _d_vector_sum(clad::array<double>(indepVarCount, 0));
// CHECK-NEXT: double sum = 0;
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<int> _d_vector_i(clad::array<int>(indepVarCount, 0));
// CHECK-NEXT: for (int i = 0; i < n; ++i) {
// CHECK-NEXT: clad::ValueAndPushforward<double, clad::array<double> > _t0 = square_vector_pushforward(arr[i], _d_arr[i]);
// CHECK-NEXT: double &_t1 = _t0.value;
// CHECK-NEXT: _d_vector_sum += _d_w * _t1 + w * _t0.pushforward;
// CHECK-NEXT: sum += w * _t1;
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: return {sum, _d_vector_sum};
// CHECK-NEXT: }
// CHECK: void sum_ref_vector_pushforward(double &res, int n, const double *arr, clad::array<double> &_d_res, clad::array<int> _d_n, clad::matrix<double> &_d_arr) {
// CHECK-NEXT: unsigned long indepVarCount = _d_arr[0].size();
// CHECK-NEXT: {
// CHECK-NEXT: clad::array<int> _d_vector_i(clad::array<int>(indepVarCount, 0));
// CHECK-NEXT: for (int i = 0; i < n; ++i) {
// CHECK-NEXT: _d_res += _d_arr[i];
// CHECK-NEXT: res += arr[i];
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: }
}