[libmath-prime-util-perl] 20/23: Modify tests to handle Win32 infinity also

[Partha P. Mukherjee]

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ppm-guest pushed a commit to annotated tag v0.14
in repository libmath-prime-util-perl.

commit d0834cb3e011787d82a071aa28758200e016c159
Author: Dana Jacobsen <dana at acm.org>
Date:   Thu Nov 29 16:09:18 2012 -0800

    Modify tests to handle Win32 infinity also
---
 t/16-randomprime.t |  2 +-
 t/18-functions.t   | 13 +++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/t/16-randomprime.t b/t/16-randomprime.t
index 8292294..6ab84bf 100644
--- a/t/16-randomprime.t
+++ b/t/16-randomprime.t
@@ -66,7 +66,7 @@ plan tests => 13+4+4+4
               + (2 * scalar @random_nbit_tests)
               + 0;
 
-my $infinity = ~0 * ~0;
+my $infinity = 20**20**20;
 my $nrandom_range_samples = $extra ? 1000 : 50;
 
 ok(!eval { random_prime(undef); }, "random_prime(undef)");
diff --git a/t/18-functions.t b/t/18-functions.t
index f597652..523a552 100644
--- a/t/18-functions.t
+++ b/t/18-functions.t
@@ -7,6 +7,7 @@ use Math::Prime::Util qw/prime_count ExponentialIntegral LogarithmicIntegral Rie
 
 my $use64 = Math::Prime::Util::prime_get_config->{'maxbits'} > 32;
 my $extra = defined $ENV{RELEASE_TESTING} && $ENV{RELEASE_TESTING};
+my $infinity = 20**20**20;
 
 plan tests => 3 + 6 + 1 + 16 + 11 + 9;
 
@@ -17,13 +18,13 @@ like($@, qr/invalid/i, "R(0) is invalid");
 eval { RiemannR(-1); };
 like($@, qr/invalid/i, "R(-1) is invalid");
 
-cmp_ok( ExponentialIntegral(0),     '<=', 0 - (~0 * ~0), "Ei(0) is -infinity" );
-cmp_ok( ExponentialIntegral('-inf'),'==', 0, "Ei(-inf) is 0" );
-cmp_ok( ExponentialIntegral('inf'), '>=', 0 + (~0 * ~0), "Ei(inf) is infinity" );
+cmp_ok( ExponentialIntegral(0),         '<=',-$infinity, "Ei(0) is -infinity");
+cmp_ok( ExponentialIntegral(-$infinity),'==', 0,         "Ei(-inf) is 0" );
+cmp_ok( ExponentialIntegral($infinity), '>=', $infinity, "Ei(inf) is infinity");
 
-cmp_ok( LogarithmicIntegral(0),    '==', 0, "li(0) is 0" );
-cmp_ok( LogarithmicIntegral(1),    '<=', 0 - (~0 * ~0), "li(1) is -infinity" );
-cmp_ok( LogarithmicIntegral('inf'),'>=', 0 + (~0 * ~0), "li(inf) is infinity" );
+cmp_ok( LogarithmicIntegral(0),    '==', 0,         "li(0) is 0" );
+cmp_ok( LogarithmicIntegral(1),    '<=',-$infinity, "li(1) is -infinity" );
+cmp_ok( LogarithmicIntegral('inf'),'>=', $infinity, "li(inf) is infinity" );
 
 # Example used in Math::Cephes
 cmp_closeto( ExponentialIntegral(2.2), 5.732614700, 1e-06, "Ei(2.2)");

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