#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

int main(int argc, char* argv[]) {
    char const* filename = "write_doubles.c.bin";
    // file opened in read mode
    // no indicator here its a binary file
    FILE* file = fopen(filename, "r");

    // figure out size
    // nonstandard among binary files, may come up
    fseek(file, 0, SEEK_END);
    int length_in_bytes = ftell(file);
    rewind(file);

    int number_of_doubles = length_in_bytes / sizeof(double);

    // reading
    double* numbers = malloc(sizeof(*numbers) * number_of_doubles);
    fread(numbers, sizeof(numbers[0]), number_of_doubles, file);

    for (int i = 0; i < number_of_doubles; i++) {
        printf("%f\n", numbers[i]);
    }

    // don't forget to close
    fclose(file);

    free(numbers);

    return EXIT_SUCCESS;
}
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