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-
- /******************************************************
- *
- * file d:\cips\intcvrt.c
- *
- * Functions: This file contains
- * get_integer
- * int_convert
- *
- * Purpose: These functions convert a string of
- * characters to their number value.
- *
- * Modifications:
- * Taken from Jamsa's software package
- * and altered to fit into the computer
- * vision programming 22 August 1986.
- *
- *******************************************************/
-
-
- #include "d:\cips\numdefs.h"
-
-
- get_integer(n)
- int *n;
- {
- char string[80];
-
- read_string(string);
- int_convert(string, n);
- }
-
-
-
-
-
- int_convert (ascii_val, result)
- char *ascii_val;
- int *result;
- {
- int sign = 1; /* -1 if negative */
-
- *result = 0; /* value returned to the calling routine */
-
- /* read passed blanks */
-
- while (is_blank(*ascii_val))
- ascii_val++; /* get next letter */
-
- /* check for sign */
-
- if (*ascii_val == '-' || *ascii_val == '+')
- sign = (*ascii_val++ == '-') ? -1 : 1; /* find sign */
-
- /*
- * convert the ASCII representation to the actual
- * decimal value by subtracting '0' from each character.
- *
- * for example, the ASCII '9' is equivalent to 57 in decimal.
- * by subtracting '0' (or 48 in decimal) we get the desired
- * value.
- *
- * if we have already converted '9' to 9 and the next character
- * is '3', we must first multiply 9 by 10 and then convert '3'
- * to decimal and add it to the previous total yielding 93.
- *
- */
-
- while (*ascii_val)
- if (is_digit(*ascii_val))
- *result = *result * 10 + to_decimal(*ascii_val++);
-
- else
- return (IO_ERROR);
-
-
- *result = *result * sign;
-
- return (NO_ERROR);
- }
-
-
-
-
-
- /************************************************
- *
- * Functions: This file contains
- * get_short
- * short_convert
- *
- * Purpose: These functions convert a string of
- * characters to their number value.
- *
- * Modifications:
- * Taken from Jamsa's software package
- * and altered to fit into the computer
- * vision programming 22 August 1986.
- *
- *************************************************/
-
-
- get_short(n)
- short *n;
- {
- char string[80];
-
- read_string(string);
- short_convert(string, n);
- }
-
-
-
-
-
- short_convert (ascii_val, result)
- char *ascii_val;
- short *result;
- {
- int sign = 1; /* -1 if negative */
-
- *result = 0; /* value returned to the calling routine */
-
- /* read passed blanks */
-
- while (is_blank(*ascii_val))
- ascii_val++; /* get next letter */
-
- /* check for sign */
-
- if (*ascii_val == '-' || *ascii_val == '+')
- sign = (*ascii_val++ == '-') ? -1 : 1; /* find sign */
-
- /*
- * convert the ASCII representation to the actual
- * decimal value by subtracting '0' from each character.
- *
- * for example, the ASCII '9' is equivalent to 57 in decimal.
- * by subtracting '0' (or 48 in decimal) we get the desired
- * value.
- *
- * if we have already converted '9' to 9 and the next character
- * is '3', we must first multiply 9 by 10 and then convert '3'
- * to decimal and add it to the previous total yielding 93.
- *
- */
-
- while (*ascii_val){
- if (is_digit(*ascii_val)){
- *result = *result * 10 + to_decimal(*ascii_val++);
- if( (sign == -1) && (*result > 0)) *result = *result * -1;
- }
- else
- return (IO_ERROR);
- } /* ends while ascii_val */
-
- return (NO_ERROR);
- }
-
-
-
-
-
- /***********************************************
- *
- * file d:\cips\locvrt.c
- *
- * Functions: This file contains
- * get_long
- * long_convert
- *
- * Purpose: These functions convert a string of
- * characters to their number value.
- *
- * Modifications:
- * Taken from Jamsa's software package
- * and altered to fit into the computer
- * vision programming 22 August 1986.
- *
- ************************************************/
-
-
- get_long(n)
- long *n;
- {
- char string[80];
-
- read_string(string);
- long_convert(string, n);
- }
-
-
-
-
-
- long_convert (ascii_val, result)
- char *ascii_val;
- long *result;
- {
- int sign = 1; /* -1 if negative */
-
- *result = 0; /* value returned to the calling routine */
-
- /* read passed blanks */
-
- while (is_blank(*ascii_val))
- ascii_val++; /* get next letter */
-
- /* check for sign */
-
- if (*ascii_val == '-' || *ascii_val == '+')
- sign = (*ascii_val++ == '-') ? -1 : 1; /* find sign */
-
- /*
- * convert the ASCII representation to the actual
- * decimal value by subtracting '0' from each character.
- *
- * for example, the ASCII '9' is equivalent to 57 in decimal.
- * by subtracting '0' (or 48 in decimal) we get the desired
- * value.
- *
- * if we have already converted '9' to 9 and the next character
- * is '3', we must first multiply 9 by 10 and then convert '3'
- * to decimal and add it to the previous total yielding 93.
- *
- */
-
- while (*ascii_val)
- if (is_digit(*ascii_val))
- *result = *result * 10 + to_decimal(*ascii_val++);
- else
- return (IO_ERROR);
-
-
- *result = *result * sign;
-
- return (NO_ERROR);
- }
-
-
-
-
-
-
- /*******************************************************
- *
- * file d:\cips\flocvrt.c
- *
- * Functions: This file contains
- * get_float
- * float_convert
- * power
- *
- * Purpose: This function converts a string of
- * characters to its number value.
- *
- * Modifications:
- * This was taken from Jamsa's software
- * packages and modified to work in the
- * computer vision programs 22 August 1986.
- *
- * 16 June 1987 - the power function was not working
- * so Borland's Turbo C function pow10
- * was substituted for it.
- *
- ****************************************************/
-
-
- get_float(f)
- float *f;
- {
- char string[80];
-
- read_string(string);
- float_convert(string, f);
- }
-
- float_convert (ascii_val, result)
- char *ascii_val;
- float *result;
- {
- int count; /* # of digits to the right of the
- decimal point. */
- int sign = 1; /* -1 if negative */
-
- double pow10(); /* Turbo C function */
- float power(); /* function returning a value raised
- to the power specified. */
-
- *result = 0.0; /* value desired by the calling routine */
-
- /* read passed blanks */
-
- while (is_blank(*ascii_val))
- ascii_val++; /* get the next letter */
-
- /* check for a sign */
-
- if (*ascii_val == '-' || *ascii_val == '+')
- sign = (*ascii_val++ == '-') ? -1 : 1; /* find sign */
-
-
- /*
- * first convert the numbers on the left of the decimal point.
- *
- * if the number is 33.141592 this loop will convert 33
- *
- * convert ASCII representation to the actual decimal
- * value by subtracting '0' from each character.
- *
- * for example, the ASCII '9' is equivalent to 57 in decimal.
- * by subtracting '0' (or 48 in decimal) we get the desired
- * value.
- *
- * if we have already converted '9' to 9 and the next character
- * is '3', we must first multiply 9 by 10 and then convert '3'
- * to decimal and add it to the previous total yielding 93.
- *
- */
-
- while (*ascii_val)
- if (is_digit(*ascii_val))
- *result = *result * 10 + to_decimal(*ascii_val++);
-
- else if (*ascii_val == '.') /* start the fractional part */
- break;
-
- else
- return (IO_ERROR);
-
-
- /*
- * find number to the right of the decimal point.
- *
- * if the number is 33.141592 this portion will return 141592.
- *
- * by converting a character and then dividing it by 10
- * raised to the number of digits to the right of the
- * decimal place the digits are placed in the correct locations.
- *
- * 4 / power (10, 2) ==> 0.04
- *
- */
-
- if (*ascii_val != NULL2)
- {
- ascii_val++; /* past decimal point */
-
- for (count = 1; *ascii_val != NULL2; count++, ascii_val++)
-
- /*********************************************
- *
- * The following change was made 16 June 1987.
- * For some reason the power function below
- * was not working. Borland's Turbo C pow10
- * was substituted.
- *
- ***********************************************/
- if (is_digit(*ascii_val)){
- *result = *result + to_decimal(*ascii_val)/power(10.0,count);
- /***********
- *result = *result + to_decimal(*ascii_val)/((float)(pow10(count)));
- ************/
- }
-
- else
- return (IO_ERROR);
- }
- *result = *result * sign; /* positive or negative value */
-
- return (NO_ERROR);
- }
-
-
- float power(value, n)
- float value;
- int n;
- {
- int count;
- float result;
-
- if(n < 0)
- return(-1.0);
-
- result = 1;
- for(count=1; count<=n; count++){
- result = result * value;
- }
-
- return(result);
- }
-