📄 floor.c
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/* @(#)floor.c 1.6 *//*LINTLIBRARY*//* * floor(x) returns the largest integer (as a double-precision number) * not greater than x. * ceil(x) returns the smallest integer not less than x. */extern double modf();doublefloor(x) double x;{ double y; /* can't be in register because of modf() below */ return (modf(x, &y) < 0 ? y - 1 : y);}doubleceil(x)double x;{ double y; /* can't be in register because of modf() below */ return (modf(x, &y) > 0 ? y + 1 : y);}
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