contrib/mul/mbl/mbl_read_double.cxx File Reference

Asks question and waits for an answer. More...

#include "mbl_read_double.h"
#include <vcl_cstdio.h>
#include <vcl_iostream.h>

Go to the source code of this file.

Functions
double	RD_ReadDouble1 (const char *q_str, double default_d, double min_d, double max_d)
double	mbl_read_double (const char *q_str, double default_d)
double	mbl_read_double (const char *q_str, double default_d, double min_d, double max_d)
Variables
const int	MAX_LEN = 40

---

Detailed Description

Asks question and waits for an answer.

Author:

tim hand crafted into vxl by gvw

• Function Name: mbl_read_double
• Synopsis: double mbl_read_double(char* q_str, double default_d)
• Inputs: q_str: A question default_d: Default answer min_d: Min allowed value (optional) max_d: Max allowed value (optional)
• Outputs: -
• Returns: The answer or a default
• Description: Asks question and waits for an answer. If the answer is a double, returns it. If the answer is an empty vcl_string (return) then returns default. Otherwise waits for another input.
• References: -
• Example:

      double new_scale = mbl_read_double("Scale?",1.00);
      double new_scale = mbl_read_double("Scale?",1.00,min_scale,max_scale);
  

Definition in file mbl_read_double.cxx.

---

Function Documentation

double mbl_read_double	(	const char *	q_str,
		double	default_d
	)

Definition at line 60 of file mbl_read_double.cxx.

double mbl_read_double	(	const char *	q_str,
		double	default_d,
		double	min_d,
		double	max_d
	)

Definition at line 65 of file mbl_read_double.cxx.

double RD_ReadDouble1	(	const char *	q_str,
		double	default_d,
		double	min_d,
		double	max_d
	)

Definition at line 38 of file mbl_read_double.cxx.

---

Variable Documentation

const int MAX_LEN = 40

Definition at line 35 of file mbl_read_double.cxx.