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Diffstat (limited to 'static/plan9-4e/man2/floor.2')
| -rw-r--r-- | static/plan9-4e/man2/floor.2 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/static/plan9-4e/man2/floor.2 b/static/plan9-4e/man2/floor.2 new file mode 100644 index 00000000..9205c011 --- /dev/null +++ b/static/plan9-4e/man2/floor.2 @@ -0,0 +1,58 @@ +.TH FLOOR 2 +.SH NAME +fabs, fmod, floor, ceil \- absolute value, remainder, floor, ceiling functions +.SH SYNOPSIS +.B #include <u.h> +.br +.B #include <libc.h> +.PP +.B +double floor(double x) +.PP +.B +double ceil(double x) +.PP +.B +double fabs(double x) +.PP +.B +double fmod(double x, double y) +.SH DESCRIPTION +.I Fabs +returns the absolute value +.RI | \|x\| |. +.PP +.I Floor +returns the +largest integer +not greater than +.IR x . +.PP +.I Ceil +returns the +smallest integer +not less than +.IR x . +.PP +.I Fmod +returns +.I x +if +.I y +is zero, otherwise the number +.I f +with the same sign as +.IR x , +such that +.I "x = iy + f\|" +for some integer +.IR i , +and +.RI | \|f\| | +< +.RI | \|y\| |. +.SH SOURCE +.B /sys/src/libc/port +.SH SEE ALSO +.IR abs (2), +.IR frexp (2) |