diff options
Diffstat (limited to 'support/dktools/dk4maaus.c')
-rw-r--r-- | support/dktools/dk4maaus.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/support/dktools/dk4maaus.c b/support/dktools/dk4maaus.c new file mode 100644 index 0000000000..604714485c --- /dev/null +++ b/support/dktools/dk4maaus.c @@ -0,0 +1,94 @@ +/* + WARNING: This file was generated by dkct. + Changes you make here will be lost if dkct is run again! + You should modify the original source and run dkct on it. + Original source: dk4maaus.ctr +*/ + +/* +Copyright (C) 2015-2017, Dirk Krause + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above opyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of the author nor the names of contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** @file dk4maaus.c The dk4maaus module. +*/ + + +#line 90 "dk4maaus.ctr" + +#include "dk4conf.h" +#include "dk4types.h" +#include "dk4error.h" +#include "dk4numco.h" +#include "dk4maaus.h" + + +unsigned short +dk4ma_ushort_add(unsigned short a, unsigned short b, dk4_er_t *erp) +{ + if ((USHRT_MAX - a) < b) { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + return (unsigned short)(a + b); +} + + + +unsigned short +dk4ma_ushort_sub(unsigned short a, unsigned short b, dk4_er_t *erp) +{ + if (b > a) { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + return (unsigned short)(a - b); +} + + + +unsigned short +dk4ma_ushort_mul(unsigned short a, unsigned short b, dk4_er_t *erp) +{ + if (0U < a) { + if ((USHRT_MAX / a) < b) { + dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW); + } + } + return (unsigned short)(a * b); +} + + + +unsigned short +dk4ma_ushort_div(unsigned short a, unsigned short b, dk4_er_t *erp) +{ + if (0U < b) { + return (unsigned short)(a / b); + } else { + dk4error_set_simple_error_code(erp, DK4_E_MATH_DIVZERO); + return (unsigned short)(USHRT_MAX); + } +} + |