EDSL language binding C API

ffi_example.c

#include "plaidml/edsl/ffi.h"

void ffi_example() {
  int64_t dims[4] = {1, 2, 3, 4};
  plaidml_error err;

  plaidml_edsl_init(&err);
  if (err.code) {
    // This is an example of how to check for errors and how to report them.
    const char* str = plaidml_string_ptr(err.msg);
    printf("Error: %s\n", str);
    plaidml_string_free(err.msg);
    return;
  }

  plaidml_logical_shape* shape = plaidml_logical_shape_alloc(&err, PLAIDML_DATA_FLOAT32, 4, dims);

  plaidml_expr* a_expr = plaidml_expr_placeholder(&err, shape, /*buffer=*/NULL, /*name=*/"A");
  plaidml_expr* b_expr = plaidml_expr_placeholder(&err, shape, /*buffer=*/NULL, /*name=*/"B");

  plaidml_expr* operands[] = {a_expr, b_expr};
  plaidml_expr* c_expr = plaidml_expr_call(&err, "add", /*nargs=*/2, /*args=*/operands);

  plaidml_expr* outputs[] = {c_expr};
  plaidml_program_args* args;
  plaidml_program* program = plaidml_compile(&err,
                                             /*name=*/"example",
                                             /*target=*/"llvm_cpu",
                                             /*noutputs=*/1, outputs,
                                             /*nupdates=*/0,
                                             /*src_updates=*/NULL,
                                             /*dst_updates=*/NULL,
                                             /*floatx=*/PLAIDML_DATA_FLOAT32,
                                             /*intx=*/PLAIDML_DATA_INT32,
                                             /*debug=*/0,
                                             /*args=*/&args);

  // From here you can use the `exec` API to execute a program.
}