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Fix isfinite, isinf

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This was SVN commit r7248.
This commit is contained in:
Ykkrosh 2010-01-05 22:12:13 +00:00
parent d1f6ea785a
commit 6db3dd0f12
2 changed files with 8 additions and 2 deletions
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4
source/lib/posix/posix.h
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@ -140,8 +140,8 @@ extern size_t fpclassifyd(double d);
# define FP_SUBNORMAL (FP_NORMAL | FP_ZERO)
# define isnan(d) (fpclassify(d) == FP_NAN)
# define isfinite(d) ((fpclassify(d) & (FP_NORMAL|FP_ZERO)) != 0)
# define isinf(d) (fpclassify(d) == FP_NAN|FP_NORMAL)
# define isfinite(d) ((fpclassify(d) & FP_NAN) == 0)
# define isinf(d) (fpclassify(d) == (FP_NAN|FP_NORMAL))
# define isnormal(d) (fpclassify(d) == FP_NORMAL)
//# define signbit
#else // HAVE_C99_MATH

6
source/lib/posix/tests/test_posix.h
View File

@ -28,6 +28,7 @@ public:
T zero = 0.f;
T one = 1.f;
T inf = std::numeric_limits<T>::infinity();
T ninf = -std::numeric_limits<T>::infinity();
T qnan = std::numeric_limits<T>::quiet_NaN();
T snan = std::numeric_limits<T>::signaling_NaN();
T min = std::numeric_limits<T>::min();
@ -37,6 +38,7 @@ public:
TS_ASSERT_EQUALS((int)fpclassify(zero), (int)FP_ZERO);
TS_ASSERT_EQUALS((int)fpclassify(one), (int)FP_NORMAL);
TS_ASSERT_EQUALS((int)fpclassify(inf), (int)FP_INFINITE);
TS_ASSERT_EQUALS((int)fpclassify(ninf), (int)FP_INFINITE);
TS_ASSERT_EQUALS((int)fpclassify(qnan), (int)FP_NAN);
TS_ASSERT_EQUALS((int)fpclassify(snan), (int)FP_NAN);
TS_ASSERT_EQUALS((int)fpclassify(min), (int)FP_NORMAL);
@ -46,6 +48,7 @@ public:
TS_ASSERT(!isnan(zero));
TS_ASSERT(!isnan(one));
TS_ASSERT(!isnan(inf));
TS_ASSERT(!isnan(ninf));
TS_ASSERT(isnan(qnan));
TS_ASSERT(isnan(snan));
TS_ASSERT(!isnan(min));
@ -55,6 +58,7 @@ public:
TS_ASSERT(isfinite(zero));
TS_ASSERT(isfinite(one));
TS_ASSERT(!isfinite(inf));
TS_ASSERT(!isfinite(ninf));
TS_ASSERT(!isfinite(qnan));
TS_ASSERT(!isfinite(snan));
TS_ASSERT(isfinite(min));
@ -64,6 +68,7 @@ public:
TS_ASSERT(!isinf(zero));
TS_ASSERT(!isinf(one));
TS_ASSERT(isinf(inf));
TS_ASSERT(isinf(ninf));
TS_ASSERT(!isinf(qnan));
TS_ASSERT(!isinf(snan));
TS_ASSERT(!isinf(min));
@ -73,6 +78,7 @@ public:
TS_ASSERT(!isnormal(zero));
TS_ASSERT(isnormal(one));
TS_ASSERT(!isnormal(inf));
TS_ASSERT(!isnormal(ninf));
TS_ASSERT(!isnormal(qnan));
TS_ASSERT(!isnormal(snan));
TS_ASSERT(isnormal(min));