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Add support for non-differentiable attribute in reverse mode
fixes vgvassilev#717
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| // RUN: %cladclang %s -I%S/../../include -oNonDifferentiable.out 2>&1 | %filecheck %s | ||
| // RUN: ./NonDifferentiable.out | %filecheck_exec %s | ||
| // CHECK-NOT: {{.*error|warning|note:.*}} | ||
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| #define non_differentiable __attribute__((annotate("another_attribute"), annotate("non_differentiable"))) | ||
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| #include "clad/Differentiator/Differentiator.h" | ||
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| class SimpleFunctions1 { | ||
| public: | ||
| SimpleFunctions1() noexcept : x(0), y(0), x_pointer(&x), y_pointer(&y) {} | ||
| SimpleFunctions1(double p_x, double p_y) noexcept : x(p_x), y(p_y), x_pointer(&x), y_pointer(&y) {} | ||
| double x; | ||
| non_differentiable double y; | ||
| double* x_pointer; | ||
| non_differentiable double* y_pointer; | ||
| double mem_fn_1(double i, double j) { return (x + y) * i + i * j * j; } | ||
| non_differentiable double mem_fn_2(double i, double j) { return i * j; } | ||
| double mem_fn_3(double i, double j) { return mem_fn_1(i, j) + i * j; } | ||
| double mem_fn_4(double i, double j) { return mem_fn_2(i, j) + i * j; } | ||
| double mem_fn_5(double i, double j) { return mem_fn_2(i, j) * mem_fn_1(i, j) * i; } | ||
| SimpleFunctions1 operator+(const SimpleFunctions1& other) const { | ||
| return SimpleFunctions1(x + other.x, y + other.y); | ||
| } | ||
| }; | ||
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| double fn_s1_mem_fn(double i, double j) { | ||
| SimpleFunctions1 obj(2, 3); | ||
| return obj.mem_fn_1(i, j) + i * j; | ||
| } | ||
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| double fn_s1_field(double i, double j) { | ||
| SimpleFunctions1 obj(2, 3); | ||
| return obj.x * obj.y + i * j; | ||
| } | ||
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| double fn_s1_field_pointer(double i, double j) { | ||
| SimpleFunctions1 obj(2, 3); | ||
| return (*obj.x_pointer) * (*obj.y_pointer) + i * j; | ||
| } | ||
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| double fn_s1_operator(double i, double j) { | ||
| SimpleFunctions1 obj1(2, 3); | ||
| SimpleFunctions1 obj2(3, 5); | ||
| return (obj1 + obj2).mem_fn_1(i, j); | ||
| } | ||
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| class non_differentiable SimpleFunctions2 { | ||
| public: | ||
| SimpleFunctions2() noexcept : x(0), y(0) {} | ||
| SimpleFunctions2(double p_x, double p_y) noexcept : x(p_x), y(p_y) {} | ||
| double x; | ||
| double y; | ||
| double mem_fn(double i, double j) { return (x + y) * i + i * j * j; } | ||
| SimpleFunctions2 operator+(const SimpleFunctions2& other) const { | ||
| return SimpleFunctions2(x + other.x, y + other.y); | ||
| } | ||
| }; | ||
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| double fn_s2_mem_fn(double i, double j) { | ||
| SimpleFunctions2 obj(2, 3); | ||
| return obj.mem_fn(i, j) + i * j; | ||
| } | ||
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| double fn_s2_field(double i, double j) { | ||
| SimpleFunctions2 *obj0, obj(2, 3); | ||
| return obj.x * obj.y + i * j; | ||
| } | ||
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| double fn_s2_operator(double i, double j) { | ||
| SimpleFunctions2 obj1(2, 3); | ||
| SimpleFunctions2 obj2(3, 5); | ||
| return (obj1 + obj2).mem_fn(i, j); | ||
| } | ||
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| double fn_non_diff_var(double i, double j) { | ||
| non_differentiable double k = i * i * j; | ||
| return k; | ||
| } | ||
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| #define INIT_EXPR(classname) \ | ||
| classname expr_1(2, 3); \ | ||
| classname expr_2(3, 5); | ||
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| #define TEST_CLASS(classname, name, i, j) \ | ||
| auto d_##name = clad::gradient(&classname::name); \ | ||
| double result_##name[2] = {}; \ | ||
| d_##name.execute(expr_1, i, j, &result_##name[0], &result_##name[1]); \ | ||
| printf("%.2f %.2f\n\n", result_##name[0], result_##name[1]); | ||
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| #define TEST_FUNC(name, i, j) \ | ||
| auto d_##name = clad::gradient(&name); \ | ||
| double result_##name[2] = {}; \ | ||
| d_##name.execute(i, j, &result_##name[0], &result_##name[1]); \ | ||
| printf("%.2f %.2f\n\n", result_##name[0], result_##name[1]); | ||
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| int main() { | ||
| // FIXME: The parts of this test that are commented out are currently not working, due to bugs | ||
| // not related to the implementation of the non-differentiable attribute. | ||
| INIT_EXPR(SimpleFunctions1); | ||
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| /*TEST_CLASS(SimpleFunctions1, mem_fn_1, 3, 5)*/ | ||
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| /*TEST_CLASS(SimpleFunctions1, mem_fn_3, 3, 5)*/ | ||
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| /*TEST_CLASS(SimpleFunctions1, mem_fn_4, 3, 5)*/ | ||
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| /*TEST_CLASS(SimpleFunctions1, mem_fn_5, 3, 5)*/ | ||
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| TEST_FUNC(fn_s1_mem_fn, 3, 5) // CHECK-EXEC: 35.00 33.00 | ||
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| TEST_FUNC(fn_s1_field, 3, 5) // CHECK-EXEC: 5.00 3.00 | ||
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| TEST_FUNC(fn_s1_field_pointer, 3, 5) // CHECK-EXEC: 5.00 3.00 | ||
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| /*TEST_FUNC(fn_s1_operator, 3, 5)*/ | ||
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| TEST_FUNC(fn_s2_mem_fn, 3, 5) // CHECK-EXEC: 5.00 3.00 | ||
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| /*TEST_FUNC(fn_s2_field, 3, 5)*/ | ||
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| /*TEST_FUNC(fn_s2_operator, 3, 5)*/ | ||
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| TEST_FUNC(fn_non_diff_var, 3, 5) // CHECK-EXEC: 0.00 0.00 | ||
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| // CHECK: void mem_fn_1_pullback(double i, double j, double _d_y, SimpleFunctions1 *_d_this, double *_d_i, double *_d_j); | ||
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| // CHECK: void fn_s1_mem_fn_grad(double i, double j, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: SimpleFunctions1 _d_obj({}); | ||
| // CHECK-NEXT: SimpleFunctions1 _t0; | ||
| // CHECK-NEXT: SimpleFunctions1 obj(2, 3); | ||
| // CHECK-NEXT: _t0 = obj; | ||
| // CHECK-NEXT: { | ||
| // CHECK-NEXT: double _r0 = 0; | ||
| // CHECK-NEXT: double _r1 = 0; | ||
| // CHECK-NEXT: _t0.mem_fn_1_pullback(i, j, 1, &_d_obj, &_r0, &_r1); | ||
| // CHECK-NEXT: *_d_i += _r0; | ||
| // CHECK-NEXT: *_d_j += _r1; | ||
| // CHECK-NEXT: *_d_i += 1 * j; | ||
| // CHECK-NEXT: *_d_j += i * 1; | ||
| // CHECK-NEXT: } | ||
| // CHECK-NEXT: } | ||
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| // CHECK: void fn_s1_field_grad(double i, double j, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: SimpleFunctions1 _d_obj({}); | ||
| // CHECK-NEXT: SimpleFunctions1 obj(2, 3); | ||
| // CHECK-NEXT: { | ||
| // CHECK-NEXT: _d_obj.x += 1 * obj.y; | ||
| // CHECK-NEXT: *_d_i += 1 * j; | ||
| // CHECK-NEXT: *_d_j += i * 1; | ||
| // CHECK-NEXT: } | ||
| // CHECK-NEXT: } | ||
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| // CHECK: void fn_s1_field_pointer_grad(double i, double j, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: SimpleFunctions1 _d_obj({}); | ||
| // CHECK-NEXT: SimpleFunctions1 obj(2, 3); | ||
| // CHECK-NEXT: { | ||
| // CHECK-NEXT: *_d_obj.x_pointer += 1 * (*obj.y_pointer); | ||
| // CHECK-NEXT: *_d_i += 1 * j; | ||
| // CHECK-NEXT: *_d_j += i * 1; | ||
| // CHECK-NEXT: } | ||
| // CHECK-NEXT: } | ||
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| // CHECK: void fn_s2_mem_fn_grad(double i, double j, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: SimpleFunctions2 obj(2, 3); | ||
| // CHECK-NEXT: { | ||
| // CHECK-NEXT: *_d_i += 1 * j; | ||
| // CHECK-NEXT: *_d_j += i * 1; | ||
| // CHECK-NEXT: } | ||
| // CHECK-NEXT: } | ||
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| // CHECK: void fn_non_diff_var_grad(double i, double j, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: double _d_k = 0; | ||
| // CHECK-NEXT: double k = i * i * j; | ||
| // CHECK-NEXT: _d_k += 1; | ||
| // CHECK-NEXT: } | ||
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| // CHECK: void mem_fn_1_pullback(double i, double j, double _d_y, SimpleFunctions1 *_d_this, double *_d_i, double *_d_j) { | ||
| // CHECK-NEXT: { | ||
| // CHECK-NEXT: (*_d_this).x += _d_y * i; | ||
| // CHECK-NEXT: *_d_i += (this->x + this->y) * _d_y; | ||
| // CHECK-NEXT: *_d_i += _d_y * j * j; | ||
| // CHECK-NEXT: *_d_j += i * _d_y * j; | ||
| // CHECK-NEXT: *_d_j += i * j * _d_y; | ||
| // CHECK-NEXT: } | ||
| // CHECK-NEXT: } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // RUN: %cladclang %s -I%S/../../include -fsyntax-only -Xclang -verify 2>&1 | ||
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| #define non_differentiable __attribute__((annotate("non_differentiable"))) | ||
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| #include "clad/Differentiator/Differentiator.h" | ||
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| extern "C" int printf(const char* fmt, ...); | ||
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| class non_differentiable SimpleFunctions2 { | ||
| public: | ||
| SimpleFunctions2() noexcept : x(0), y(0) {} | ||
| SimpleFunctions2(double p_x, double p_y) noexcept : x(p_x), y(p_y) {} | ||
| double x; | ||
| double y; | ||
| double mem_fn(double i, double j) { return (x + y) * i + i * j * j; } // expected-error {{attempted differentiation of method 'mem_fn' in class 'SimpleFunctions2', which is marked as non-differentiable}} | ||
| }; | ||
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| namespace clad { | ||
| namespace custom_derivatives { | ||
| void fn_s2_mem_fn_pullback(double i, double j, double _d_y, double* _d_i, double* _d_j) { | ||
| *_d_i = 1.5; | ||
| *_d_j = 2.5; | ||
| } | ||
| } // namespace custom_derivatives | ||
| } // namespace clad | ||
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| non_differentiable double fn_s2_mem_fn(double i, double j) { | ||
| SimpleFunctions2 obj(2, 3); | ||
| return obj.mem_fn(i, j) + i * j; | ||
| } | ||
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| #define INIT_EXPR(classname) \ | ||
| classname expr_1(2, 3); \ | ||
| classname expr_2(3, 5); | ||
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| #define TEST_CLASS(classname, name, i, j) \ | ||
| auto d_##name = clad::differentiate(&classname::name, "i"); \ | ||
| printf("%.2f\n", d_##name.execute(expr_1, i, j)); \ | ||
| printf("%.2f\n", d_##name.execute(expr_2, i, j)); \ | ||
| printf("\n"); | ||
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| #define TEST_FUNC(name, i, j) \ | ||
| auto d_##name = clad::differentiate(&name, "i"); \ | ||
| printf("%.2f\n", d_##name.execute(i, j)); \ | ||
| printf("\n"); | ||
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| int main() { | ||
| INIT_EXPR(SimpleFunctions2); | ||
| TEST_CLASS(SimpleFunctions2, mem_fn, 3, 5); | ||
| TEST_FUNC(fn_s2_mem_fn, 3, 5); // expected-error {{attempted differentiation of function 'fn_s2_mem_fn', which is marked as non-differentiable}} | ||
| } |