YAC: tests/core/interpolation/methods/test_interp_method_fixed

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#include <stdlib.h>
#include <math.h>
#include <string.h>
#include "tests.h"
#include "test_common.h"
#include "geometry.h"
#include "interpolation/methods/interp_method.h"
#include "interpolation/methods/interp_method_avg.h"
#include "interpolation/methods/interp_method_fixed.h"
#include "dist_grid_utils.h"
#include "yac_mpi.h"
#include <mpi.h>
#include <yaxt.h>

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Functions
static void	test_fixed_value (double fixed_value)

Variables
int	split_comm_rank

int	split_comm_size

enum yac_interp_weights_reorder_type	reorder_types []

size_t	num_reorder_types = sizeof(reorder_types) / sizeof(reorder_types[0])

static char const *	grid_names [2] = {"src_grid", "tgt_grid"}

Detailed Description

Test: A test for the parallel fixed-value interpolation method. Tests that yac_interp_method_fixed_new assigns a constant value to all target points, including use as a fallback in a method stack.

Definition in file test_interp_method_fixed_parallel.c.

Function Documentation

◆ test_fixed_value()

static void test_fixed_value ( double fixed_value )

static

Run a basic fixed-value interpolation test on the standard 3x2 src / 2x2 tgt grid pair and verify that every target vertex receives exactly fixed_value.

The helper builds the grid, creates the interpolation weights, executes both reorder types, checks results via memcmp (works correctly for NaN, 0.0, and negative values), then releases all resources.

Grid geometry:

source grid (3x2): 04–07–05–09–06–11–07 | | | | 01 00 03 01 05 02 06 | | | | 00–00–01–02–02–04–03

target grid (2x2): 06–09–07–11–08 | | | 04 03 07 04 10 | | | 03–06–04–08–05 | | | 01 00 03 01 05 | | | 00–00–01–02–02

Definition at line 63 of file test_interp_method_fixed_parallel.c.

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