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Top Forums UNIX for Dummies Questions & Answers Multiplication using bc in a for loop Post 302375871 by Scott on Monday 30th of November 2009 02:18:24 AM
Old 11-30-2009
Hi.

"i" is a variable, so...

Code:
for (( i=1;i<=15;i++)); do
    x=$( printf "%s\n " "scale = 10; $i*5.0*335.0*3.0/1000.0" | bc)
    echo $x $i
done

(and notice the double quotes around the "scale =" string)
 

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mlib_SignalMul_F32(3MLIB)				    mediaLib Library Functions					 mlib_SignalMul_F32(3MLIB)

NAME
mlib_SignalMul_F32, mlib_SignalMul_F32S - multiplication SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_SignalMul_F32(mlib_f32 *scr1dst, const mlib_f32 *src2, mlib_s32 n); mlib_status mlib_SignalMul_F32S(mlib_f32 *scr1dst, const mlib_f32 *src2, mlib_s32 n); DESCRIPTION
Each of these functions performs multiplication. PARAMETERS
Each of the functions takes the following arguments: src1dst The first input and the output signal array. src2 The second input signal array. n Number of samples in the input signal arrays. RETURN VALUES
Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) SunOS 5.11 2 Mar 2007 mlib_SignalMul_F32(3MLIB)
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