From c6ef89664b8c0d7aa85bddd5c7014aa6df82cbe7 Mon Sep 17 00:00:00 2001 From: tcsullivan Date: Sat, 17 Nov 2018 13:02:57 -0500 Subject: added pdclib, removed sash --- src/pdclib/functions/stdlib/div.c | 40 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/pdclib/functions/stdlib/div.c (limited to 'src/pdclib/functions/stdlib/div.c') diff --git a/src/pdclib/functions/stdlib/div.c b/src/pdclib/functions/stdlib/div.c new file mode 100644 index 0000000..5d502c8 --- /dev/null +++ b/src/pdclib/functions/stdlib/div.c @@ -0,0 +1,40 @@ +/* div( int, int ) + + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#include + +#ifndef REGTEST + +div_t div( int numer, int denom ) +{ + div_t rc; + rc.quot = numer / denom; + rc.rem = numer % denom; + /* TODO: pre-C99 compilers might require modulus corrections */ + return rc; +} + +#endif + +#ifdef TEST + +#include "_PDCLIB_test.h" + +int main( void ) +{ + div_t result; + result = div( 5, 2 ); + TESTCASE( result.quot == 2 && result.rem == 1 ); + result = div( -5, 2 ); + TESTCASE( result.quot == -2 && result.rem == -1 ); + result = div( 5, -2 ); + TESTCASE( result.quot == -2 && result.rem == 1 ); + TESTCASE( sizeof( result.quot ) == sizeof( int ) ); + TESTCASE( sizeof( result.rem ) == sizeof( int ) ); + return TEST_RESULTS; +} + +#endif -- cgit v1.2.3