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| author | Jakob Kaivo <jkk@ung.org> | 2019-03-03 21:25:50 -0500 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2019-03-03 21:25:50 -0500 |
| commit | 06696f40afe58a231e2531c8bf6d9f0dadb92e51 (patch) | |
| tree | b146422c6326ffe3debf3163f0941d8dda0be105 /src/math/hypot.c | |
| parent | f20eeea657d62f2ef905627ca3a9094d33af7d40 (diff) | |
outline details from C18 annex F
Diffstat (limited to 'src/math/hypot.c')
| -rw-r--r-- | src/math/hypot.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/math/hypot.c b/src/math/hypot.c index 6ab2ecf7..ce902c59 100644 --- a/src/math/hypot.c +++ b/src/math/hypot.c @@ -4,6 +4,14 @@ TYPE TGFN(hypot)(TYPE x, TYPE y) { + if (fpclassify(y) == FP_ZERO) { + return fabs(x); + } + + if (fpclassify(x) == FP_INFINITE) { + return INFINITY; + } + return x - y; } |