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Diffstat (limited to '')
| -rw-r--r-- | src/inttypes/div.c | 38 | ||||
| -rw-r--r-- | src/stdlib/div.c | 68 |
2 files changed, 106 insertions, 0 deletions
diff --git a/src/inttypes/div.c b/src/inttypes/div.c new file mode 100644 index 0000000..e0330ec --- /dev/null +++ b/src/inttypes/div.c @@ -0,0 +1,38 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <inttypes.h> + + +# pragma GCC diagnostic ignored "-Waggregate-return" + + + +/** + * Perform an integer division and return + * both the quotient and the remainder. + * + * @param numerator The numerator. + * @param denominator The denominator. + * @return The quotient in `.quot`, and + * the remainder in `.rem`. + */ +imaxdiv_t imaxdiv(intmax_t numerator, intmax_t denominator) +{ + return (imaxdiv_t){ numerator / denominator, numerator % denominator }; +} + diff --git a/src/stdlib/div.c b/src/stdlib/div.c new file mode 100644 index 0000000..fb32d53 --- /dev/null +++ b/src/stdlib/div.c @@ -0,0 +1,68 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <stdlib.h> + + +# pragma GCC diagnostic ignored "-Waggregate-return" + + + +/** + * Perform an integer division and return + * both the quotient and the remainder. + * + * @param numerator The numerator. + * @param denominator The denominator. + * @return The quotient in `.quot`, and + * the remainder in `.rem`. + */ +div_t div(int numerator, int denominator) +{ + return (div_t){ numerator / denominator, numerator % denominator }; +} + + +/** + * Perform an integer division and return + * both the quotient and the remainder. + * + * @param numerator The numerator. + * @param denominator The denominator. + * @return The quotient in `.quot`, and + * the remainder in `.rem`. + */ +ldiv_t ldiv(long numerator, long denominator) +{ + return (ldiv_t){ numerator / denominator, numerator % denominator }; +} + + +/** + * Perform an integer division and return + * both the quotient and the remainder. + * + * @param numerator The numerator. + * @param denominator The denominator. + * @return The quotient in `.quot`, and + * the remainder in `.rem`. + */ +lldiv_t lldiv(long long numerator, long long denominator) +{ + return (lldiv_t){ numerator / denominator, numerator % denominator }; +} + |