Function to calculate the square root of a number - #34
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This module provides a function to calculate the square root of a number using Fortran's intrinsic SQRT function. It includes error handling for negative input.
This program provides test cases to validate the square root function in the square_root_module, including tests for zero, one, perfect squares, non-perfect squares, large numbers, and negative input.
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This pull request introduces a new Fortran module for calculating square roots and a dedicated test program to validate its functionality. The changes provide a reusable function for square root calculation, including error handling for negative inputs, and comprehensive test coverage with multiple scenarios.
New square root functionality:
square_root_modulecontaining thecalculate_sqrtfunction, which computes the square root of a non-negative number using Fortran's intrinsicSQRTfunction and returns-1.0for negative inputs.Test coverage:
tests_square_root.f90program with six test cases covering zero, one, perfect squares, non-perfect squares, large numbers, and negative input scenarios for the square root function.assert_testsubroutine for floating-point comparison with tolerance, providing clear pass/fail output and stopping execution on test failure.