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POexpected unqualified-id before string constant
 

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  1. POexpected unqualified-id before string constant
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    <p>I'm currently writing a C++ application which implements an Oscillator in conjuction with math.h. The code I have should work fine for the application (trying to compile an object file), bu I'm getting a compiler error most likely having to do with syntax/etc; I think it has something to do with namespace. The error:</p> <p>Terminal Output:</p> <pre><code>User-Name-Macbook-Pro:Synth Parts UserName$ make g++ -o Oscillators.o -c -I. Oscillators.cpp -c In file included from Oscillators.cpp:2: /usr/include/math.h:41: error: expected unqualified-id before string constant In file included from /usr/include/c++/4.2.1/bits/locale_facets.tcc:42, from /usr/include/c++/4.2.1/locale:46, from /usr/include/c++/4.2.1/bits/ostream.tcc:46, from /usr/include/c++/4.2.1/ostream:635, from /usr/include/c++/4.2.1/iostream:45, from Oscillators.cpp:4: /usr/include/c++/4.2.1/typeinfo:41: error: expected declaration before end of line make: *** [Oscillators.o] Error 1 </code></pre> <p>Oscillators.cpp</p> <pre><code>#include "Oscillators.h" #include &lt;math.h&gt; #include &lt;vector&gt; #include &lt;iostream&gt; #define TWOPI (6.2831853072) using namespace std; oscillator(int srate = 44100, int tabsize = 8192, double freq = 200) // Default to output 200Hz Sine Wave { if(srate &lt;= 0) { cout &lt;&lt; "Error: sample rate must be positive" &lt;&lt; endl; return; } sizeovrsr_ = (double)tabsize / (double)srate if(freq &lt; 20 || freq &gt; 20000) { cout &lt;&lt; "Error: frequency is out of audible range" &lt;&lt; endl; return; } curfreq_ = freq; curphase_ = 0.0 // Not out of one, out of tabsize incr_ = curfreq * sizeovrsr_; for(int i = 0; i &lt; tabsize; i++) { gtable.push_back(sin((i*TWOPI)/(double)tabsize)); } gtable.push_back(gtable[0]); } void print_table() { vector&lt;double&gt;::size_type i; for(i = 0; i &lt; gtable.size(); i++) cout &lt;&lt; gtable[i] &lt;&lt; "\n"; cout &lt;&lt; endl; } </code></pre> <p>Oscillators.h</p> <pre><code>#ifndef GUARD_OSCILLATORS_H #define GUARD_OSCILLATORS_H #include &lt;vector&gt; class oscillator { public: /* void fill_sine(); // Will change the table to a sine wave void fill_square(); // Will change the table to a square wave void fill_sawtooth(); // Will change the table to a sawtooth wave void fill_triangle(); // Will change the table to a triangle wave double tick(double freq); // Will output the current sample and update the phase */ void print_table(); // Will print all table values to standard output oscillator(int srate = 44100, double freq = 200, int tabsize = 8192); private: double sizeovrsr_; // Will be set at initialization and will determine phase increase for tick func double curphase_; double curfreq_; // if the freq sent to a tick function doesn't match the current tick, it will be reset; double incr_; std::vector&lt;double&gt; gtable_; // Will contain a wavetable with a guard point. } #endif </code></pre> <p>I've seen other suggestions that mention using g++ -Wall -g but I'm not sure that that is the problem, and that there is something else going on here.</p> <p>Any help would be much appreciated! Thanks!!</p>
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    1. PTQuestion
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    1. USDanMoore
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    1. This table or related slice is empty.
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    2. PO
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    1. VO
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      1. POexpected unqualified-id before string constant
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    2. VO
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      1. POexpected unqualified-id before string constant
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      1. POexpected unqualified-id before string constant
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      1. VTUpMod
    1. COYou include <vector> twice, once in your header and once in your source file.
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      1. POexpected unqualified-id before string constant
      1. USpg1989
 

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