math: add some special case tests

[libc-test] / src / math / special / exp2l.h

diff --git a/src/math/special/exp2l.h b/src/math/special/exp2l.h
index 6c387eb..bed2937 100644 (file)
--- a/src/math/special/exp2l.h
+++ b/src/math/special/exp2l.h
@@ -12,3 +12,15 @@ T(RN,      0x1.ffff333333333334p+13L,   0x1.ddb680117ab141f6p+16383L,  -0x1.b531
 T(RN,                       0x1p+14L,                            inf,          0x0p+0, INEXACT|OVERFLOW)
 T(RN,      0x1.0000666666666666p+14L,                            inf,          0x0p+0, INEXACT|OVERFLOW)
 T(RN,       0x1.91eb851eb851eb86p+1L,        0x1.1a167423fc31b2ep+3L,   0x1.6b7e14p-2, INEXACT)
+T(RN,                  -0x1.fffp+13L,                    0x1p-16382L,          0x0p+0, 0)
+T(RN,                 -0x1.fff4p+13L,   0x1.6a09e667f3bcc908p-16383L,  -0x1.65f626p-3, INEXACT|UNDERFLOW)
+T(RN,                 -0x1.fff8p+13L,                    0x1p-16383L,          0x0p+0, 0)
+T(RN,                 -0x1.fffcp+13L,   0x1.6a09e667f3bcc908p-16384L,  -0x1.65f626p-4, INEXACT|UNDERFLOW)
+T(RN,                      -0x1p+14L,                    0x1p-16384L,          0x0p+0, 0)
+T(RN,                 -0x1.0002p+14L,    0x1.6a09e667f3bcc91p-16385L,   0x1.d3413cp-2, INEXACT|UNDERFLOW)
+T(RN,                 -0x1.0004p+14L,                    0x1p-16385L,          0x0p+0, 0)
+T(RN,                 -0x1.00f4p+14L,                    0x1p-16445L,          0x0p+0, 0)
+T(RN,                 -0x1.00f6p+14L,                    0x1p-16445L,   0x1.2bec34p-2, INEXACT|UNDERFLOW)
+T(RN,       0x1.999999999999999ap-4L,       0x1.125fbee250664262p+0L,  -0x1.5e1baap-2, INEXACT)
+T(RN,      -0x1.999999999999999ap-4L,       0x1.ddb680117ab120dap-1L,  -0x1.a1ef26p-8, INEXACT)
+T(RN,                    0x1p-16384L,                        0x1p+0L,          0x0p+0, INEXACT)