root / pobysoC-4.0 / src / test-pobyso-subpoly.c @ 137
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/** @file test-pobyso-subpoly.c
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* Name & purpose
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*
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* @author
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* @date
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*
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* @details Verbosity manipulation are performed to make sur that verbosity
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* suppression is correctly managed in pobyso_is_constant_expression()
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* function.
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*/
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/******************************************************************************/
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/* Headers, applying the "particular to general" convention.*/
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#include "pobyso.h" |
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/* includes of local headers */
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/* includes of project headers */
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/* includes of system headers */
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#include <stdlib.h> |
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/* Other declarations */
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/* Internal prototypes */
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int
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read_long_decimal(long int* value, char* string); |
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int
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read_unsigned_long_decimal(long unsigned int* value, char* string); |
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/* Types, constants and macros definitions */
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/* Global variables */
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/* Functions */
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int
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read_long_decimal(long int* returnValue, char* string) |
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{
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char* endptr[1]; |
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long int convertedValue = 0; |
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convertedValue = strtoul(string, endptr, 10);
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/* For a completely safe conversion *endptr must point to 0 value char. */
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if (**endptr != '\0') |
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{
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return 1; |
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} |
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else
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{
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*returnValue = convertedValue; |
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return 0; |
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} |
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} /* End read_long_decimal. */
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int
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read_unsigned_long_decimal(long unsigned int* returnValue, char* string) |
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{
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char* endptr[1]; |
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long int convertedValue = 0; |
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/* Negative sign -> failure. */
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if (*string == '-') |
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{
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return 1; |
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} |
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convertedValue = strtoul(string, endptr, 10);
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/* For a completely safe conversion *endptr must point to 0 value char. */
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if (**endptr != '\0') |
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{
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return 1; |
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} |
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else
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{
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*returnValue = convertedValue; |
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return 0; |
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} |
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return 0; |
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} /* End read_unsigned_long_decimal. */
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int
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main(int argc, char** argv) |
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{
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long int* expsArray = NULL; |
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int i;
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pobyso_func_exp_t polynomial; |
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pobyso_func_exp_t subpoly; |
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if (argc < 3) |
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{
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fprintf(stderr, |
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"Usage: %s polynomialAsString power1 [power2 [...[powern]..]\n",
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argv[0]);
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return 1; |
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} |
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pobyso_set_canonical_on(); |
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polynomial = pobyso_parse_string(argv[1]);
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if (polynomial == NULL) |
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{
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fprintf(stderr, |
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"%s: can't create the polynomial.\n",
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argv[0]);
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return 1; |
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} |
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pobyso_autoprint(polynomial); |
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expsArray = (long int*) malloc((argc - 2) * sizeof(long int)); |
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if (expsArray == NULL) |
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{
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fprintf(stderr, |
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"%s: can't create the exponents array.\n",
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argv[0]);
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return 1; |
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} |
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for (i = 2 ; i < argc ; i++) |
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{
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if (read_long_decimal(&(expsArray[i - 2]), argv[i])) |
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{
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fprintf(stderr, |
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"%s: can't read exponent \"%s\".\n",
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argv[0],
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argv[i]); |
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return 1; |
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} |
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} |
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subpoly = pobyso_subpoly(polynomial, argc - 2, expsArray);
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if (subpoly == NULL) |
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{
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return 1; |
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} |
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else
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{
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pobyso_autoprint(subpoly); |
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return 0; |
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} |
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} /* End main */
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