#!/usr/bin/perl -w

# test rounding with non-integer A and P parameters

use strict;
use Test::More tests => 95;

use Math::BigFloat;

my $cf = 'Math::BigFloat';
my $ci = 'Math::BigInt';

my $x = $cf->new('123456.123456');

# unary ops with A
_do_a($x, 'round', 3, '123000');
_do_a($x, 'bfround', 3, '123500');
_do_a($x, 'bfround', 2, '123460');
_do_a($x, 'bfround', -2, '123456.12');
_do_a($x, 'bfround', -3, '123456.123');

_do_a($x, 'bround', 4, '123500');
_do_a($x, 'bround', 3, '123000');
_do_a($x, 'bround', 2, '120000');

_do_a($x, 'bsqrt', 4, '351.4');
_do_a($x, 'bsqrt', 3, '351');
_do_a($x, 'bsqrt', 2, '350');

# setting P
_do_p($x, 'bsqrt', 2,  '350');
_do_p($x, 'bsqrt', -2, '351.36');

# binary ops
_do_2_a($x, 'bdiv', 2, 6, '61728.1');
_do_2_a($x, 'bdiv', 2, 4, '61730');
_do_2_a($x, 'bdiv', 2, 3, '61700');

_do_2_p($x, 'bdiv', 2, -6, '61728.061728');
_do_2_p($x, 'bdiv', 2, -4, '61728.0617');
_do_2_p($x, 'bdiv', 2, -3, '61728.062');

# all tests done

#############################################################################

sub _do_a
  { 
  my ($x, $method, $A, $result) = @_;

  is ($x->copy->$method($A), $result, "$method($A)");
  is ($x->copy->$method($A.'.1'), $result, "$method(${A}.1)");
  is ($x->copy->$method($A.'.5'), $result, "$method(${A}.5)");
  is ($x->copy->$method($A.'.6'), $result, "$method(${A}.6)");
  is ($x->copy->$method($A.'.9'), $result, "$method(${A}.9)");
  }

sub _do_p
  { 
  my ($x, $method, $P, $result) = @_;

  is ($x->copy->$method(undef,$P), $result, "$method(undef,$P)");
  is ($x->copy->$method(undef,$P.'.1'), $result, "$method(undef,${P}.1)");
  is ($x->copy->$method(undef,$P.'.5'), $result, "$method(undef.${P}.5)");
  is ($x->copy->$method(undef,$P.'.6'), $result, "$method(undef,${P}.6)");
  is ($x->copy->$method(undef,$P.'.9'), $result, "$method(undef,${P}.9)");
  }

sub _do_2_a
  { 
  my ($x, $method, $y, $A, $result) = @_;

  my $cy = $cf->new($y);

  is ($x->copy->$method($cy,$A), $result, "$method($cy,$A)");
  is ($x->copy->$method($cy,$A.'.1'), $result, "$method($cy,${A}.1)");
  is ($x->copy->$method($cy,$A.'.5'), $result, "$method($cy,${A}.5)");
  is ($x->copy->$method($cy,$A.'.6'), $result, "$method($cy,${A}.6)");
  is ($x->copy->$method($cy,$A.'.9'), $result, "$method($cy,${A}.9)");
  }

sub _do_2_p
  { 
  my ($x, $method, $y, $P, $result) = @_;

  my $cy = $cf->new($y);

  is ($x->copy->$method($cy,undef,$P), $result, "$method(undef,$P)");
  is ($x->copy->$method($cy,undef,$P.'.1'), $result, "$method($cy,undef,${P}.1)");
  is ($x->copy->$method($cy,undef,$P.'.5'), $result, "$method($cy,undef.${P}.5)");
  is ($x->copy->$method($cy,undef,$P.'.6'), $result, "$method($cy,undef,${P}.6)");
  is ($x->copy->$method($cy,undef,$P.'.9'), $result, "$method($cy,undef,${P}.9)");
  }