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path: root/support/dktools/dk4maau32.c
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/*
Copyright (C) 2016-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	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: dk4maau32.ctr
*/

/**	@file dk4maau32.c The dk4maau32 module.
*/


#line 157 "dk4maau32.ctr"

#include "dk4conf.h"
#include "dk4maau32.h"





#line 164 "dk4maau32.ctr"



uint32_t
dk4ma_uint32_t_add(uint32_t a, uint32_t b, dk4_er_t *erp)
{
  if (DK4_U32_MAX < a) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if (DK4_U32_MAX < b) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if ((DK4_U32_MAX - a) < b) {
    dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
  }
finished:
  return (a + b);
}



uint32_t
dk4ma_uint32_t_sub(uint32_t a, uint32_t b, dk4_er_t *erp)
{
  if (DK4_U32_MAX < a) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if (DK4_U32_MAX < b) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if (b > a) {
    dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
  }
finished:
  return (a - b);
}



uint32_t
dk4ma_uint32_t_mul(uint32_t a, uint32_t b, dk4_er_t *erp)
{
  if (DK4_U32_MAX < a) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if (DK4_U32_MAX < b) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if ((0L < a) && (0L < b)) {
    if ((DK4_U32_MAX / a) < b) {
      dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
    }
  }
finished:
  return (a * b);
}



uint32_t
dk4ma_uint32_t_div(uint32_t a, uint32_t b, dk4_er_t *erp)
{
  uint32_t	back	= 0;
  if (DK4_U32_MAX < a) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
  if (DK4_U32_MAX < b) {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    goto finished;
  }
finished:
  if (0L != b) {
    back = a / b;
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_MATH_DIVZERO);
  }
  return back;
}



uint32_t
dk4ma_uint32_from(dk4_um_t u, dk4_er_t *erp)
{
	if ((dk4_um_t)(DK4_U32_MAX) < u) {
		dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
	}
	return ((uint32_t)u);
}




uint32_t
dk4ma_uint32_from_double(double d, dk4_er_t *erp)
{
	uint32_t	back	= 0UL;
	if ((double)(DK4_U32_MAX) < d) {
		dk4error_set_simple_error_code(erp, DK4_E_MATH_OVERFLOW);
		back = DK4_U32_MAX;
	}
	else {
		if (0.0 > d) {
			dk4error_set_simple_error_code(erp,DK4_E_MATH_OVERFLOW);
		}
		else {
			back = (uint32_t)d;
		}
	}
	return back;
}