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complib/firm1d(3) -- N 1D convolutions in the time domain. FORTRAN SPECIFICATION subroutine SFIRM1D( f, incf, ldf, ifx0, n_fx, ny,
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SFIRM1D, DFIRM1D, CFIRM1D and DFIRM1D compute N 1D convolutions in the time domain : h(i,j) = beta * h(i,j) + alpha * Sum[ f(k,j) * g(i-k) ] with j=1,...,N USAGE: 1. Suppose you want to: filter a 2D "image" f(0:449,0:699) along the first dimension , by a 1D filter g(-15:15), put the result in h(0:449,0:699), you can use: call dfirm1d( 700,f(0,0),1,449-0+1,0,449,g(-15),1,-15,15,1.0, $ h(0,0),1,449-0+1,0,449,0.0) 2. Suppose you want to: filter a 2D "image" f(0:449,0:699) along the Second dimen... |
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standard/fixade(3) -- misaligned data bus error handler and report generator
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Fixade is a bus error handler which fields, corrects, and reports bus errors arising due to misaligned data in Irix programs. The MIPS architecture, for performance reasons, is very restrictive on the alignment of data which can be used with its standard instruction set. Usually, the compilers can guarantee this alignment, however, some situations exist in which this guarantee cannot be made. These misalignments may be necessary to satisfy Fortran equivalence statements, due to mismatched formal... |
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f90/floating(3) -- 0- return scalar values associated with the argument derived from the model of floating point data.
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These Fortran 90 inquiry functions return scalar values which describe the value of x as components of the model of floating point data. The model for real x is defined by section 13.71.1 of the Fortran standard. In each case the argument x is of type real and with the exception of exponent the type and kind type parameter of each result is the same as x. The exponent function returns an integer of default type equal to the base two exponent (e) of x if the argument is non-zero. If zero, the res... |
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flock(3c) -- apply or remove an advisory lock on an open file
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Flock applies or removes an advisory lock on the file associated with the file descriptor fd. A lock is applied by specifying one of the following as an operation parameter: LOCK_SH, LOCK_EX, LOCK_SH|LOCK_NB or LOCK_EX|LOCK_NB. Note that LOCK_NB, if used, must appear in an inclusive OR expression with either LOCK_SH or LOCK_EX. To unlock an existing lock, operation should be LOCK_UN. Advisory locks allow cooperating processes to perform consistent operations on files, but do not guarantee consis... |
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flockfile(3s) -- stdio synchronization functions
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flockfile, ftrylockfile, and funlockfile provide for explicit locking and unlocking of stdio streams. They may be used by a thread to delineate a sequence of I/O statements to be executed as a critical section. flockfile is used by a thread to acquire exclusive use of file. ftrylockfile is used by a thread to acquire exclusive use of file ... |
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standard/floor(3) -- floor, ceiling, remainder, absolute value, nearest integer, and truncation functions
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The fmod, fabs, and trunc functions listed above, as well as the long double and single-precision versions of the remaining functions, are only available in the standard math library, -lm, and in -lmx. Page 1 FLOOR(3M) FLOOR(3M) The floor functions return the largest integer not greater than x. The argument x is double for floor, long double for floorl, and float for ffloor and its ANSI-named equivalent floorf. copysign(x,y) returns the number with the magnitude of x and the sign of y. copysignl... |
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f90/floor(3) -- floor, ceiling, remainder, absolute value, nearest integer, and truncation functions
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The fmod, fabs, and trunc functions listed above, as well as the long double and single-precision versions of the remaining functions, are only available in the standard math library, -lm, and in -lmx. Page 1 FLOOR(3M) FLOOR(3M) The floor functions return the largest integer not greater than x. The argument x is double for floor, long double for floorl, and float for ffloor and its ANSI-named equivalent floorf. copysign(x,y) returns the number with the magnitude of x and the sign of y. copysignl... |
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f90/flush(3) -- Flush buffered output for a file
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Flushes any output that has been buffered for fileId. FileId must have been the return value from a previous call to open, or it may be stdout or stderr to access one of the standard I/O streams; it must refer to a file that was opened for writing. The command returns an empty string. |
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ftn/flush(3) -- Flush buffered output for a file
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Flushes any output that has been buffered for fileId. FileId must have been the return value from a previous call to open, or it may be stdout or stderr to access one of the standard I/O streams; it must refer to a file that was opened for writing. The command returns an empty string. |
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Tcl/flush(3) -- Flush buffered output for a file
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Flushes any output that has been buffered for fileId. FileId must have been the return value from a previous call to open, or it may be stdout or stderr to access one of the standard I/O streams; it must refer to a file that was opened for writing. The command returns an empty string. |
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fmcachedisable(3w) -- disable font cache flushing
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This function was made obsolete by changes to the IRIS Font Manager. The function was replaced by a stub that does not do anything. What follows is a description of what this function did under the NeWS windowing system. The Font Manager provides font cache flushing by default. To disable automatic flushing of the font cache, call fmcachedisable . The Font Manager continues to keep track of the space fonts occupy, but does nothing to flush the space when it exceeds the font cache limit. You can ... |
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fmcacheenable(3w) -- enable font cache flushing
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This function was made obsolete by changes to the IRIS Font Manager. The function was replaced by a stub that does not do anything. What follows is a description of what this function did under the NeWS windowing system. The Font Manager provides font cache flushing by default. You can disable font cache flushing with a call to fmcachedisable. The Font Manager continues to keep track of the space fonts occupy, but does nothing to flush the space when it exceeds the font cache limit. To restart a... |
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fmcachelimit(3w) -- return current font cache limit in quanta
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This function was made obsolete by changes to the IRIS Font Manager. The function was replaced by a stub that does not do anything. What follows is a description of what this function did under the NeWS windowing system. The font cache maintains the space reserved for font data. Use fmcachelimit to get the number of Font Manager cache quanta currently set as the upper size limit of the font cache. To calculate the number of bytes reserved for the font cache, multiply the returned value of fmcach... |
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fmchrwid(3w) -- return the width of a character
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fmgetchrwidth returns the number of pixels (in the x dimension) by which the current character position moves when you image the specified character. This value is rounded to an integer (for some fonts, characters can have subpixel dimensions). If the specified character glyph does not exist, the width of a space is returned. If a space does not exist, the width of the font is returned. |
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fmcommen(3w) -- return a comment associated with a font
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This function was made obsolete by changes to the IRIS Font Manager. The function was replaced by a stub that does not do anything. What follows is a description of what this function did under the NeWS windowing system. fmgetcomment gets the comment associated with the font fh. This routine writes that comment to the location (array) pointed to by the str character pointer. You must use the slen parameter to tell fmgetcomment the longest string it can write to the str array. fmgetcomment does n... |
