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Rev	Author	Line No.	Line
2	-	1	`.TH MULDIV 2`
		2	`.SH NAME`
		3	`muldiv, umuldiv \- high-precision multiplication and division`
		4	`.SH SYNOPSIS`
		5	`.B #include <u.h>`
		6	`.br`
		7	`.B #include <libc.h>`
		8	`.PP`
		9	`.B`
		10	`long muldiv(long a, long b, long c)`
		11	`.PP`
		12	`.B`
		13	`ulong umuldiv(ulong a, ulong b, ulong c)`
		14	`.SH DESCRIPTION`
		15	`.I Muldiv`
		16	`returns`
		17	`.BR a*b/c ,`
		18	`using a`
		19	`.B vlong`
		20	`to hold the intermediate result.`
		21	`.I Umuldiv`
		22	`is the equivalent for unsigned integers.`
		23	`They can be used to scale integer values without worry about`
		24	`overflowing the intermediate result.`
		25	`.PP`
		26	`On some architectures, these routines can generate a trap if the`
		27	`final result does not fit in a`
		28	`.B long`
		29	`or`
		30	`.BR ulong ;`
		31	`on others they will silently truncate.`

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