API boolean functions
This page lists all the functions to manipulate Scilab native objects containing booleans
scilabVar
scilab_createBooleanMatrix
(
scilabEnv
env, int dim, const int* dims)
Create a boolean matrix with dim
dimensions (dims
[0], dims
[1], ..., dims
[dim
-1]).
scilabVar
scilab_createBooleanMatrix2d
(
scilabEnv
env, int row, int col)
Create an boolean matrix with 2 dimensions (row
, col
).
scilabVar
scilab_createBoolean
(
scilabEnv
env, int val)
Create a scalar boolean.
scilabStatus
scilab_getBooleanArray
(
scilabEnv
env,
scilabVar
var, int** vals)
Get pointer on internal array of boolean of var
.
scilabStatus
scilab_getBoolean
(
scilabEnv
env,
scilabVar
var, int* val)
Get boolean value from an scalar boolean variable.
scilabStatus
scilab_setBooleanArray
(
scilabEnv
env,
scilabVar
var, const int* vals)
Set values of boolean variable var
.
scilabStatus
scilab_setBoolean
(
scilabEnv
env,
scilabVar
var, int val)
Set value of a scalar boolean variable var
.
Examples
#include "api_scilab.h" #include "Scierror.h" #include "localization.h" #include "sciprint.h" #include "sci_malloc.h" const char fname[] = "boolean_test"; int sci_boolean_test(scilabEnv env, int nin, scilabVar* in, int nopt, scilabOpt opt, int nout, scilabVar* out) { int i = 0; int inr1 = 0; int inc1 = 0; int size1 = 0; int* in1 = NULL; int in2 = 0; int* out1 = NULL; int* out2dims = NULL; int* out2 = NULL; int out3 = 0; if (nin != 2) { Scierror(999, _("%s: Wrong number of input arguments: %d expected.\n"), fname, 2); return API_ERROR; } if (nout != 3) { Scierror(999, _("%s: Wrong number of output arguments: %d expected.\n"), fname, 3); return API_ERROR; } //in[0] : matrix 2d of boolean if (scilab_isBoolean(env, in[0]) == 0 || scilab_isMatrix(env, in[0]) == 0) { Scierror(999, _("%s: Wrong type for input argument #%d: A boolean matrix expected.\n"), fname, 1); return API_ERROR; } size1 = scilab_getDim2d(env, in[0], &inr1, &inc1); scilab_getBooleanArray(env, in[0], &in1); //in[1] : bool if (scilab_isBoolean(env, in[1]) == 0 || scilab_isScalar(env, in[1]) == 0) { Scierror(999, _("%s: Wrong type for input argument #%d: A boolean expected.\n"), fname, 2); return API_ERROR; } scilab_getBoolean(env, in[1], &in2); //out1 : matrix 2d of boolean with same size of in[0] out[0] = scilab_createBooleanMatrix2d(env, inr1, inc1); if (scilab_getBooleanArray(env, out[0], &out1) != <link linkend="api_types_scilabStatus"><command>scilabStatus</command></link>::API_OK) { Scierror(999, "blabla\n"); return 1; } for (i = 0; i < size1; ++i) { out1[i] = in1[i] == 1 ? 0 : 1; } //out2 : 3d matrix of boolean out2dims = (int*)MALLOC(3 * sizeof(int)); out2dims[0] = inr1; out2dims[1] = inc1; out2dims[2] = 2; out[1] = scilab_createBooleanMatrix(env, 3, out2dims); scilab_getBooleanArray(env, out[1], &out2); for (i = 0; i < size1; ++i) { out2[i] = in1[i]; out2[i + size1] = in1[i] ? 0 : 1; } //out3 : bool out[2] = scilab_createBoolean(env, in2 ? 0 : 1); return API_OK; }
Scilab test script
mkdir(pathconvert(TMPDIR+"/api_c/")); cd(pathconvert(TMPDIR+"/api_c/")); copyfile(SCI+"/modules/api_scilab/tests/unit_tests/api_c/boolean_test.c",pathconvert(TMPDIR+"/api_c/boolean_test.c",%F)); ilib_build("libboolean",["boolean_test","sci_boolean_test", "csci6"],"boolean_test.c",[],"","",""); exec("loader.sce"); in1 = rand(3,4) > 0.5; in2 = rand() > 0.5; [out1, out2, out3] = boolean_test(in1, in2); assert_checkequal(out1, ~in1); ref(:,:, 1) = in1; ref(:,:, 2) = out1; assert_checkequal(out2, ref); assert_checkequal(out3, ~in2);
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