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| author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
|---|---|---|
| committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
| commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
| tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/math/fdiml.c | |
Initial version
Diffstat (limited to 'src/math/fdiml.c')
| -rw-r--r-- | src/math/fdiml.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/math/fdiml.c b/src/math/fdiml.c new file mode 100644 index 0000000..62e29b7 --- /dev/null +++ b/src/math/fdiml.c @@ -0,0 +1,18 @@ +#include <math.h> +#include <float.h> + +#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 +long double fdiml(long double x, long double y) +{ + return fdim(x, y); +} +#else +long double fdiml(long double x, long double y) +{ + if (isnan(x)) + return x; + if (isnan(y)) + return y; + return x > y ? x - y : 0; +} +#endif |