Add support for cuOpt 25.12 release

Project.toml

@@ -17,7 +17,7 @@
 name = "cuOpt"
 uuid = "29a73d17-8276-40b7-9ffb-d89e58023643"
 authors = ["Rajesh Gandham <rgandham@nvidia.com>", "Ramakrishna Prabhu <ramakrishnap@nvidia.com>"]
-version = "0.1.1"
+version = "0.2.0"
 
 [deps]
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"

README.md

@@ -32,7 +32,7 @@ To use cuOpt.jl, you must first separately install cuOpt.
 
 **Installing cuOpt requires Linux.**
 
-Note: This version of cuOpt.jl supports the Nvidia cuOpt 25.08 and 25.10 releases.
+Note: This version of cuOpt.jl supports the Nvidia cuOpt 25.08, 25.10, and 25.12 releases.
 
 Please refer to the [NVIDIA cuOpt documentation](https://docs.nvidia.com/cuopt/user-guide/latest/cuopt-c/quick-start.html#installation) for installation instructions.
 
@@ -48,7 +48,7 @@ Pkg.add("cuOpt")
 
 To install cuOpt on [Google Colab](https://colab.research.google.com), do:
 ```julia
-julia> cmd = run(`pip install --extra-index-url=https://pypi.nvidia.com libcuopt-cu12==25.8.\* nvidia-cuda-runtime-cu12==12.8.\*`);
+julia> cmd = run(`pip install --extra-index-url=https://pypi.nvidia.com libcuopt-cu12==25.12.\* nvidia-cuda-runtime-cu12==12.8.\*`);
 
 julia> push!(Base.DL_LOAD_PATH, "/usr/local/lib/python3.12/dist-packages/libcuopt/lib64")
 ```

src/cuOpt.jl

@@ -46,7 +46,7 @@ function __init__()
         error("Failed to get cuOpt library version (status code: $status)")
     end
     version = VersionNumber(major[], minor[], patch[])
-    min, max = v"25.08", v"25.11"
+    min, max = v"25.08", v"25.13"
     if !(min <= version < max)
         error(
             "Incompatible cuOpt library version. Got $version, but supported versions are [$min, $max)",

src/gen/libcuopt.jl

@@ -41,7 +41,7 @@ The type of the integer number used by the solver. Use `[`cuOptGetIntSize`](@ref
 """
 const cuopt_int_t = Int32
 
-# no prototype is found for this function at cuopt_c.h:89:8, please use with caution
+# no prototype is found for this function at cuopt_c.h:79:8, please use with caution
 """
     cuOptGetFloatSize()
 
@@ -54,7 +54,7 @@ function cuOptGetFloatSize()
     ccall((:cuOptGetFloatSize, libcuopt), Int8, ())
 end
 
-# no prototype is found for this function at cuopt_c.h:94:8, please use with caution
+# no prototype is found for this function at cuopt_c.h:84:8, please use with caution
 """
     cuOptGetIntSize()
 
@@ -104,9 +104,9 @@ end
 Create an optimization problem of the form
 
 ```c++
-                minimize/maximize  cᵀx + offset
-                  subject to       A x {=, ≤, ≥} b
-                                   l ≤ x ≤ u
+                minimize/maximize  c^T x + offset
+                  subject to       A x {=, <=, >=} b
+                                   l <= x <= u
                                    x_i integer for some i
 ```
 
@@ -166,6 +166,76 @@ function cuOptCreateRangedProblem(num_constraints, num_variables, objective_sens
     ccall((:cuOptCreateRangedProblem, libcuopt), cuopt_int_t, (cuopt_int_t, cuopt_int_t, cuopt_int_t, cuopt_float_t, Ptr{cuopt_float_t}, Ptr{cuopt_int_t}, Ptr{cuopt_int_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{Cchar}, Ptr{cuOptOptimizationProblem}), num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficients, constraint_lower_bounds, constraint_upper_bounds, variable_lower_bounds, variable_upper_bounds, variable_types, problem_ptr)
 end
 
+"""
+    cuOptCreateQuadraticProblem(num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficent_values, constraint_sense, rhs, lower_bounds, upper_bounds, problem_ptr)
+
+Create an optimization problem of the form
+
+```c++
+                minimize/maximize  c^T x + x^T Q x + offset
+                  subject to       A x {=, <=, >=} b
+                                   l ≤ x ≤ u
+```
+
+# Arguments
+* `num_constraints`:\\[in\\] The number of constraints
+* `num_variables`:\\[in\\] The number of variables
+* `objective_sense`:\\[in\\] The objective sense ([`CUOPT_MINIMIZE`](@ref) for minimization or [`CUOPT_MAXIMIZE`](@ref) for maximization)
+* `objective_offset`:\\[in\\] An offset to add to the linear objective
+* `objective_coefficients`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the coefficients of the linear objective
+* `quadratic_objective_matrix_row_offsets`:\\[in\\] A pointer to an array of type [`cuopt_int_t`](@ref) of size num\\_variables + 1. quadratic\\_objective\\_matrix\\_row\\_offsets[i] is the index of the first non-zero element of the i-th row of the quadratic objective matrix in quadratic\\_objective\\_matrix\\_column\\_indices and quadratic\\_objective\\_matrix\\_coefficent\\_values. This is part of the compressed sparse row representation of the quadratic objective matrix.
+* `quadratic_objective_matrix_column_indices`:\\[in\\] A pointer to an array of type [`cuopt_int_t`](@ref) of size quadratic\\_objective\\_matrix\\_row\\_offsets[num\\_variables] containing the column indices of the non-zero elements of the quadratic objective matrix. This is part of the compressed sparse row representation of the quadratic objective matrix.
+* `quadratic_objective_matrix_coefficent_values`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size quadratic\\_objective\\_matrix\\_row\\_offsets[num\\_variables] containing the values of the non-zero elements of the quadratic objective matrix.
+* `constraint_matrix_row_offsets`:\\[in\\] A pointer to an array of type [`cuopt_int_t`](@ref) of size num\\_constraints + 1. constraint\\_matrix\\_row\\_offsets[i] is the index of the first non-zero element of the i-th constraint in constraint\\_matrix\\_column\\_indices and constraint\\_matrix\\_coefficent\\_values. This is part of the compressed sparse row representation of the constraint matrix
+* `constraint_matrix_column_indices`:\\[in\\] A pointer to an array of type [`cuopt_int_t`](@ref) of size constraint\\_matrix\\_row\\_offsets[num\\_constraints] containing the column indices of the non-zero elements of the constraint matrix. This is part of the compressed sparse row representation of the constraint matrix
+* `constraint_matrix_coefficent_values`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size constraint\\_matrix\\_row\\_offsets[num\\_constraints] containing the values of the non-zero elements of the constraint matrix. This is part of the compressed sparse row representation of the constraint matrix
+* `constraint_sense`:\\[in\\] A pointer to an array of type char of size num\\_constraints containing the sense of the constraints ([`CUOPT_LESS_THAN`](@ref), [`CUOPT_GREATER_THAN`](@ref), or [`CUOPT_EQUAL`](@ref))
+* `rhs`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_constraints containing the right-hand side of the constraints
+* `lower_bounds`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the lower bounds of the variables
+* `upper_bounds`:\\[in\\] A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the upper bounds of the variables
+* `problem_ptr`:\\[out\\] Pointer to store the created optimization problem
+# Returns
+[`CUOPT_SUCCESS`](@ref) if successful, CUOPT\\_ERROR otherwise
+"""
+function cuOptCreateQuadraticProblem(num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficent_values, constraint_sense, rhs, lower_bounds, upper_bounds, problem_ptr)
+    ccall((:cuOptCreateQuadraticProblem, libcuopt), cuopt_int_t, (cuopt_int_t, cuopt_int_t, cuopt_int_t, cuopt_float_t, Ptr{cuopt_float_t}, Ptr{cuopt_int_t}, Ptr{cuopt_int_t}, Ptr{cuopt_float_t}, Ptr{cuopt_int_t}, Ptr{cuopt_int_t}, Ptr{cuopt_float_t}, Ptr{Cchar}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuOptOptimizationProblem}), num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficent_values, constraint_sense, rhs, lower_bounds, upper_bounds, problem_ptr)
+end
+
+"""
+    cuOptCreateQuadraticRangedProblem(num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficients, constraint_lower_bounds, constraint_upper_bounds, variable_lower_bounds, variable_upper_bounds, problem_ptr)
+
+Create an optimization problem of the form *
+
+```c++
+                minimize/maximize  c^T x + x^T Q x + offset
+                  subject to       bl <= A*x <= bu
+                                   l <= x <= u
+```
+
+# Arguments
+* `num_constraints`:\\[in\\] - The number of constraints.
+* `num_variables`:\\[in\\] - The number of variables.
+* `objective_sense`:\\[in\\] - The objective sense ([`CUOPT_MINIMIZE`](@ref) for minimization or [`CUOPT_MAXIMIZE`](@ref) for maximization)
+* `objective_offset`:\\[in\\] - An offset to add to the linear objective.
+* `objective_coefficients`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the coefficients of the linear objective.
+* `quadratic_objective_matrix_row_offsets`:\\[in\\] - A pointer to an array of type [`cuopt_int_t`](@ref) of size num\\_variables + 1. quadratic\\_objective\\_matrix\\_row\\_offsets[i] is the index of the first non-zero element of the i-th row of the quadratic objective matrix in quadratic\\_objective\\_matrix\\_column\\_indices and quadratic\\_objective\\_matrix\\_coefficent\\_values. This is part of the compressed sparse row representation of the quadratic objective matrix.
+* `quadratic_objective_matrix_column_indices`:\\[in\\] - A pointer to an array of type [`cuopt_int_t`](@ref) of size quadratic\\_objective\\_matrix\\_row\\_offsets[num\\_variables] containing the column indices of the non-zero elements of the quadratic objective matrix. This is part of the compressed sparse row representation of the quadratic objective matrix.
+* `quadratic_objective_matrix_coefficent_values`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size quadratic\\_objective\\_matrix\\_row\\_offsets[num\\_variables] containing the values of the non-zero elements of the quadratic objective matrix.
+* `constraint_matrix_row_offsets`:\\[in\\] - A pointer to an array of type [`cuopt_int_t`](@ref) of size num\\_constraints + 1. constraint\\_matrix\\_row\\_offsets[i] is the index of the first non-zero element of the i-th constraint in constraint\\_matrix\\_column\\_indices and constraint\\_matrix\\_coefficients.
+* `constraint_matrix_column_indices`:\\[in\\] - A pointer to an array of type [`cuopt_int_t`](@ref) of size constraint\\_matrix\\_row\\_offsets[num\\_constraints] containing the column indices of the non-zero elements of the constraint matrix.
+* `constraint_matrix_coefficients`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size constraint\\_matrix\\_row\\_offsets[num\\_constraints] containing the values of the non-zero elements of the constraint matrix.
+* `constraint_lower_bounds`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_constraints containing the lower bounds of the constraints.
+* `constraint_upper_bounds`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_constraints containing the upper bounds of the constraints.
+* `variable_lower_bounds`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the lower bounds of the variables.
+* `variable_upper_bounds`:\\[in\\] - A pointer to an array of type [`cuopt_float_t`](@ref) of size num\\_variables containing the upper bounds of the variables.
+* `problem_ptr`:\\[out\\] - A pointer to a [`cuOptOptimizationProblem`](@ref). On output the problem will be created and initialized with the provided data.
+# Returns
+A status code indicating success or failure.
+"""
+function cuOptCreateQuadraticRangedProblem(num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficients, constraint_lower_bounds, constraint_upper_bounds, variable_lower_bounds, variable_upper_bounds, problem_ptr)
+    ccall((:cuOptCreateQuadraticRangedProblem, libcuopt), cuopt_int_t, (cuopt_int_t, cuopt_int_t, cuopt_int_t, cuopt_float_t, Ptr{cuopt_float_t}, Ptr{cuopt_int_t}, Ptr{cuopt_int_t}, Ptr{cuopt_float_t}, Ptr{cuopt_int_t}, Ptr{cuopt_int_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuopt_float_t}, Ptr{cuOptOptimizationProblem}), num_constraints, num_variables, objective_sense, objective_offset, objective_coefficients, quadratic_objective_matrix_row_offsets, quadratic_objective_matrix_column_indices, quadratic_objective_matrix_coefficent_values, constraint_matrix_row_offsets, constraint_matrix_column_indices, constraint_matrix_coefficients, constraint_lower_bounds, constraint_upper_bounds, variable_lower_bounds, variable_upper_bounds, problem_ptr)
+end
+
 """
     cuOptDestroyProblem(problem_ptr)
 
@@ -772,6 +842,8 @@ const CUOPT_SOLUTION_FILE = "solution_file"
 
 const CUOPT_NUM_CPU_THREADS = "num_cpu_threads"
 
+const CUOPT_NUM_GPUS = "num_gpus"
+
 const CUOPT_USER_PROBLEM_FILE = "user_problem_file"
 
 const CUOPT_TERIMINATION_STATUS_NO_TERMINATION = 0
@@ -841,3 +913,4 @@ const CUOPT_VALIDATION_ERROR = 4
 const CUOPT_OUT_OF_MEMORY = 5
 
 const CUOPT_RUNTIME_ERROR = 6
+

test/C_wrapper.jl

@@ -106,6 +106,146 @@ function test_Direct_C_call()
     return cuOpt.cuOptDestroyProblem(problem_ref)
 end
 
+function test_QuadraticProblem_C_call()
+    n_col = Cint(2)
+    n_row = Cint(1)
+
+    colcost = Cdouble[0.0, 0.0]
+    collower = Cdouble[0.0, 0.0]
+    colupper = Cdouble[10.0, 10.0]
+
+    q_row_offsets = Cint[0, 1, 2]
+    q_col_indices = Cint[0, 1]
+    q_values = Cdouble[1.0, 1.0]
+
+    a_row_offsets = Cint[0, 2]
+    a_col_indices = Cint[0, 1]
+    a_values = Cdouble[1.0, 1.0]
+
+    constraint_sense = Cchar[cuOpt.CUOPT_GREATER_THAN]
+    rhs = Cdouble[1.0]
+
+    objective_sense = Int32(cuOpt.CUOPT_MINIMIZE)
+    problem_ref = Ref{cuOpt.cuOptOptimizationProblem}()
+
+    ret = cuOpt.cuOptCreateQuadraticProblem(
+        n_row,
+        n_col,
+        objective_sense,
+        0.0,
+        colcost,
+        q_row_offsets,
+        q_col_indices,
+        q_values,
+        a_row_offsets,
+        a_col_indices,
+        a_values,
+        constraint_sense,
+        rhs,
+        collower,
+        colupper,
+        problem_ref,
+    )
+    @test ret == 0
+    problem = problem_ref[]
+
+    settings_ref = Ref{cuOpt.cuOptSolverSettings}()
+    ret = cuOpt.cuOptCreateSolverSettings(settings_ref)
+    @test ret == 0
+    settings = settings_ref[]
+
+    solution_ref = Ref{cuOpt.cuOptSolution}()
+    ret = cuOpt.cuOptSolve(problem, settings, solution_ref)
+    @test ret == 0
+    solution = solution_ref[]
+
+    termination_status = Ref{Cint}(0)
+    ret = cuOpt.cuOptGetTerminationStatus(solution, termination_status)
+    @test ret == 0
+    @test termination_status[] == cuOpt.CUOPT_TERIMINATION_STATUS_OPTIMAL
+
+    obj_value = Ref{Cdouble}(0.0)
+    ret = cuOpt.cuOptGetObjectiveValue(solution, obj_value)
+    @test ret == 0
+    @test abs(obj_value[] - 0.5) < 0.01
+
+    cuOpt.cuOptDestroySolution(solution_ref)
+    cuOpt.cuOptDestroySolverSettings(settings_ref)
+    return cuOpt.cuOptDestroyProblem(problem_ref)
+end
+
+function test_QuadraticRangedProblem_C_call()
+    n_col = Cint(2)
+    n_row = Cint(1)
+
+    colcost = Cdouble[0.0, 0.0]
+    collower = Cdouble[0.0, 0.0]
+    colupper = Cdouble[10.0, 10.0]
+
+    q_row_offsets = Cint[0, 1, 2]
+    q_col_indices = Cint[0, 1]
+    q_values = Cdouble[1.0, 1.0]
+
+    a_row_offsets = Cint[0, 2]
+    a_col_indices = Cint[0, 1]
+    a_values = Cdouble[1.0, 1.0]
+
+    constraint_lower = Cdouble[1.0]
+    constraint_upper = Cdouble[10.0]
+
+    objective_sense = Int32(cuOpt.CUOPT_MINIMIZE)
+    problem_ref = Ref{cuOpt.cuOptOptimizationProblem}()
+
+    ret = cuOpt.cuOptCreateQuadraticRangedProblem(
+        n_row,
+        n_col,
+        objective_sense,
+        0.0,
+        colcost,
+        q_row_offsets,
+        q_col_indices,
+        q_values,
+        a_row_offsets,
+        a_col_indices,
+        a_values,
+        constraint_lower,
+        constraint_upper,
+        collower,
+        colupper,
+        problem_ref,
+    )
+    @test ret == 0
+    problem = problem_ref[]
+
+    settings_ref = Ref{cuOpt.cuOptSolverSettings}()
+    ret = cuOpt.cuOptCreateSolverSettings(settings_ref)
+    @test ret == 0
+    settings = settings_ref[]
+
+    solution_ref = Ref{cuOpt.cuOptSolution}()
+    ret = cuOpt.cuOptSolve(problem, settings, solution_ref)
+    @test ret == 0
+    solution = solution_ref[]
+
+    termination_status = Ref{Cint}(0)
+    ret = cuOpt.cuOptGetTerminationStatus(solution, termination_status)
+    @test ret == 0
+    @test termination_status[] == cuOpt.CUOPT_TERIMINATION_STATUS_OPTIMAL
+
+    obj_value = Ref{Cdouble}(0.0)
+    ret = cuOpt.cuOptGetObjectiveValue(solution, obj_value)
+    @test ret == 0
+    @test abs(obj_value[] - 0.5) < 0.01
+
+    cuOpt.cuOptDestroySolution(solution_ref)
+    cuOpt.cuOptDestroySolverSettings(settings_ref)
+    return cuOpt.cuOptDestroyProblem(problem_ref)
+end
+
+function test_CUOPT_NUM_GPUS_constant()
+    @test cuOpt.CUOPT_NUM_GPUS == "num_gpus"
+end
+
 function runtests()
     for name in names(@__MODULE__; all = true)
         if startswith(string(name), "test_")