rocrand_m.f90

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!! of this software and associated documentation files (the "Software"), to deal
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!! furnished to do so, subject to the following conditions:
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!! The above copyright notice and this permission notice shall be included in
!! all copies or substantial portions of the Software.
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!! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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module rocrand_m
    use hipfor

    integer, public :: ROCRAND_RNG_PSEUDO_DEFAULT = 400
    integer, public :: ROCRAND_RNG_PSEUDO_XORWOW = 401
    integer, public :: ROCRAND_RNG_PSEUDO_MRG32K3A = 402
    integer, public :: ROCRAND_RNG_PSEUDO_MTGP32 = 403
    integer, public :: ROCRAND_RNG_PSEUDO_PHILOX4_32_10 = 404
    integer, public :: ROCRAND_RNG_QUASI_DEFAULT = 500
    integer, public :: ROCRAND_RNG_QUASI_SOBOL32 = 501

    integer, public :: ROCRAND_STATUS_SUCCESS = 0
    integer, public :: ROCRAND_STATUS_VERSION_MISMATCH  = 100
    integer, public :: ROCRAND_STATUS_NOT_CREATED  = 101
    integer, public :: ROCRAND_STATUS_ALLOCATION_FAILED  = 102
    integer, public :: ROCRAND_STATUS_TYPE_ERROR = 103
    integer, public :: ROCRAND_STATUS_OUT_OF_RANGE  = 104
    integer, public :: ROCRAND_STATUS_LENGTH_NOT_MULTIPLE  = 105
    integer, public :: ROCRAND_STATUS_DOUBLE_PRECISION_REQUIRED  = 106
    integer, public :: ROCRAND_STATUS_LAUNCH_FAILURE  = 107
    integer, public :: ROCRAND_STATUS_INTERNAL_ERROR  = 108

    interface
        function rocrand_create_generator(generator, rng_type) &
        bind(C, name="rocrand_create_generator")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_create_generator
            integer(c_size_t) :: generator
            integer(c_int), value :: rng_type
        end function

        function rocrand_destroy_generator(generator) &
        bind(C, name="rocrand_destroy_generator")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_destroy_generator
            integer(c_size_t), value :: generator
        end function

        function rocrand_generate(generator, output_data, n) &
        bind(C, name="rocrand_generate")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
        end function

        function rocrand_generate_uniform(generator, output_data, n) &
        bind(C, name="rocrand_generate_uniform")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_uniform
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
        end function

        function rocrand_generate_uniform_double(generator, output_data, n) &
        bind(C, name="rocrand_generate_uniform_double")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_uniform_double
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
        end function

        function rocrand_generate_normal(generator, output_data, n, mean, &
        stddev) bind(C, name="rocrand_generate_normal")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_normal
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
            real(c_float), value :: mean
            real(c_float), value :: stddev
        end function

        function rocrand_generate_normal_double(generator, output_data, n, &
        mean, stddev) bind(C, name="rocrand_generate_normal_double")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_normal_double
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
            real(c_double), value :: mean
            real(c_double), value :: stddev
        end function

        function rocrand_generate_log_normal(generator, output_data, n, mean, &
        stddev) bind(C, name="rocrand_generate_log_normal")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_log_normal
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
            real(c_float), value :: mean
            real(c_float), value :: stddev
        end function

        function rocrand_generate_log_normal_double(generator, output_data, n, &
        mean, stddev) bind(C, name="rocrand_generate_log_normal_double")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_log_normal_double
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
            real(c_double), value :: mean
            real(c_double), value :: stddev
        end function

        function rocrand_generate_poisson(generator, output_data, n, lambda) &
        bind(C, name="rocrand_generate_poisson")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_generate_poisson
            integer(c_size_t), value :: generator
            type(c_ptr), value :: output_data
            integer(c_size_t), value :: n
            real(c_double), value :: lambda
        end function

        function rocrand_initialize_generator(generator) &
        bind(C, name="rocrand_initialize_generator")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_initialize_generator
            integer(c_size_t), value :: generator
        end function

        function rocrand_set_stream(generator, stream) &
        bind(C, name="rocrand_set_stream")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_set_stream
            integer(c_size_t), value :: generator
            integer(c_size_t), value :: stream
        end function

        function rocrand_set_seed(generator, seed) &
        bind(C, name="rocrand_set_seed")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_set_seed
            integer(c_size_t), value :: generator
            integer(kind =8), value :: seed
        end function

        function rocrand_set_offset(generator, offset) &
        bind(C, name="rocrand_set_offset")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_set_offset
            integer(c_size_t), value :: generator
            integer(kind =8), value :: offset
        end function

        function rocrand_set_quasi_random_generator_dimensions(generator, &
        dimensions) bind(C, name="rocrand_set_quasi_random_generator_dimensions")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_set_quasi_random_generator_dimensions
            integer(c_size_t), value :: generator
            integer(c_int), value :: dimensions
        end function

        function rocrand_get_version(version) &
        bind(C, name="rocrand_get_version")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_get_version
            integer(c_int) :: version
        end function

        function rocrand_create_poisson_distribution(lambda, &
        discrete_distribution) bind(C, name="rocrand_create_poisson_distribution")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_create_poisson_distribution
            real(c_double), value :: lambda
            integer(c_size_t) :: discrete_distribution
        end function

        function rocrand_create_discrete_distribution(probabilities, size, offset, &
        discrete_distribution) bind(C, name="rocrand_create_discrete_distribution")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_create_discrete_distribution
            real(c_double), intent(in) :: probabilities
            integer(c_int), value :: size
            integer(c_int), value :: offset
            integer(c_size_t), value :: discrete_distribution
        end function

        function rocrand_destroy_discrete_distribution(discrete_distribution) &
        bind(C, name="rocrand_destroy_discrete_distribution")
            use iso_c_binding
            implicit none
            integer(c_int) :: rocrand_destroy_discrete_distribution
            integer(c_size_t), value :: discrete_distribution
        end function
    end interface
end module rocrand_m