platform.c

#include <stdlib.h>

#include "fixes.h"

#include <string.h>

#include "util.h"

/* Assert calloc */
void* acalloc(size_t nmemb, size_t size, char* name) {
    void* res = calloc(nmemb, size);
    if (nmemb * size == 0) {
        /* wa_warn("acalloc: %s requests allocating 0 bytes.\n", name);*/
    } else if (res == NULL) {
        FATAL("Could not allocate %lu bytes for %s", nmemb * size, name);
    }
    return res;
}

/* Assert realloc/calloc */
void* arecalloc(void* ptr,
                size_t old_nmemb,
                size_t nmemb,
                size_t size,
                char* name) {
    void* res = realloc(ptr, nmemb * size);
    if (res == NULL) {
        FATAL("Could not allocate %lu bytes for %s", nmemb * size, name);
    }
    /* Initialize new memory */
    memset((void*)((size_t)res + old_nmemb * size), 0,
           (nmemb - old_nmemb) * size);
    return res;
}

double fmax(double left, double right) {
    return (left > right) ? left : right;
}

double fmin(double left, double right) {
    return (left < right) ? left : right;
}

double trunc(double d) {
    return (d > 0) ? floor(d) : ceil(d);
}