GCC Code Coverage Report

Directory:	./
File:	src/sys/classes/fn/tests/test2.c
Date:	2026-02-22 03:58:10

	Exec	Total	Coverage
Lines:	43	43	100.0%
Functions:	1	1	100.0%
Branches:	135	206	65.5%

  
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      /*
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
         SLEPc - Scalable Library for Eigenvalue Problem Computations
    
         Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
    
         This file is part of SLEPc.
    
         SLEPc is distributed under a 2-clause BSD license (see LICENSE).
    
         - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    
      */
    
      static char help[] = "Test exponential function.\n\n";
    
      #include <slepcfn.h>
    
      8
      int main(int argc,char **argv)
    
      {
    
      8
        FN             fn,fncopy;
    
      8
        PetscScalar    x,y,yp,tau,eta,alpha,beta;
    
      8
        char           strx[50],str[50];
    
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      8
        PetscFunctionBeginUser;
    
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      8
        PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
    
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      8
        PetscCall(FNCreate(PETSC_COMM_WORLD,&fn));
    
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      8
        PetscCall(FNSetFromOptions(fn));
    
        /* plain exponential exp(x) */
    
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      8
        PetscCall(FNSetType(fn,FNEXP));
    
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      8
        PetscCall(FNView(fn,NULL));
    
      8
        x = 2.2;
    
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      8
        PetscCall(SlepcSNPrintfScalar(strx,sizeof(strx),x,PETSC_FALSE));
    
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      8
        PetscCall(FNEvaluateFunction(fn,x,&y));
    
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      8
        PetscCall(FNEvaluateDerivative(fn,x,&yp));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),y,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"  f(%s)=%s\n",strx,str));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),yp,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"  f'(%s)=%s\n",strx,str));
    
        /* exponential with scaling factors eta*exp(tau*x) */
    
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      8
        PetscCall(FNSetType(fn,FNEXP));
    
      8
        tau = -0.2;
    
      8
        eta = 1.3;
    
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      8
        PetscCall(FNSetScale(fn,tau,eta));
    
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      8
        PetscCall(FNView(fn,NULL));
    
      8
        x = 2.2;
    
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      8
        PetscCall(SlepcSNPrintfScalar(strx,sizeof(strx),x,PETSC_FALSE));
    
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      8
        PetscCall(FNEvaluateFunction(fn,x,&y));
    
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      8
        PetscCall(FNEvaluateDerivative(fn,x,&yp));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),y,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"  f(%s)=%s\n",strx,str));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),yp,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"  f'(%s)=%s\n",strx,str));
    
        /* test FNDuplicate */
    
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      8
        PetscCall(FNDuplicate(fn,PetscObjectComm((PetscObject)fn),&fncopy));
    
        /* test FNGetScale */
    
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      8
        PetscCall(FNGetScale(fncopy,&alpha,&beta));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Parameters:\n - alpha: "));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),alpha,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"%s ",str));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n - beta: "));
    
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      8
        PetscCall(SlepcSNPrintfScalar(str,sizeof(str),beta,PETSC_FALSE));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"%s ",str));
    
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      8
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n"));
    
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      8
        PetscCall(FNDestroy(&fn));
    
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      8
        PetscCall(FNDestroy(&fncopy));
    
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      8
        PetscCall(SlepcFinalize());
    
        return 0;
    
      }
    
      /*TEST
    
         test:
    
            suffix: 1
    
            nsize: 1
    
            filter: grep -v "computing matrix functions"
    
      TEST*/

Line	Branch	Exec	Source
1			/*
2			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3			SLEPc - Scalable Library for Eigenvalue Problem Computations
4			Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain
5
6			This file is part of SLEPc.
7			SLEPc is distributed under a 2-clause BSD license (see LICENSE).
8			- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
9			*/
10
11			static char help[] = "Test exponential function.\n\n";
12
13			#include <slepcfn.h>
14
15		8	int main(int argc,char **argv)
16			{
17		8	FN fn,fncopy;
18		8	PetscScalar x,y,yp,tau,eta,alpha,beta;
19		8	char strx[50],str[50];
20
21	1/2 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken.	8	PetscFunctionBeginUser;
22	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
23	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNCreate(PETSC_COMM_WORLD,&fn));
24	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNSetFromOptions(fn));
25
26			/* plain exponential exp(x) */
27	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNSetType(fn,FNEXP));
28	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNView(fn,NULL));
29		8	x = 2.2;
30	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(strx,sizeof(strx),x,PETSC_FALSE));
31	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNEvaluateFunction(fn,x,&y));
32	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNEvaluateDerivative(fn,x,&yp));
33	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),y,PETSC_FALSE));
34	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD," f(%s)=%s\n",strx,str));
35	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),yp,PETSC_FALSE));
36	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD," f'(%s)=%s\n",strx,str));
37
38			/* exponential with scaling factors etaexp(taux) */
39	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNSetType(fn,FNEXP));
40		8	tau = -0.2;
41		8	eta = 1.3;
42	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNSetScale(fn,tau,eta));
43	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNView(fn,NULL));
44		8	x = 2.2;
45	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(strx,sizeof(strx),x,PETSC_FALSE));
46	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNEvaluateFunction(fn,x,&y));
47	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNEvaluateDerivative(fn,x,&yp));
48	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),y,PETSC_FALSE));
49	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD," f(%s)=%s\n",strx,str));
50	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),yp,PETSC_FALSE));
51	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD," f'(%s)=%s\n",strx,str));
52
53			/* test FNDuplicate */
54	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNDuplicate(fn,PetscObjectComm((PetscObject)fn),&fncopy));
55
56			/* test FNGetScale */
57	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNGetScale(fncopy,&alpha,&beta));
58	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Parameters:\n - alpha: "));
59	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),alpha,PETSC_FALSE));
60	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"%s ",str));
61	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n - beta: "));
62	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(SlepcSNPrintfScalar(str,sizeof(str),beta,PETSC_FALSE));
63	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"%s ",str));
64	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(PetscPrintf(PETSC_COMM_WORLD,"\n"));
65
66	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNDestroy(&fn));
67	4/6 ✓ Branch 0 taken 2 times. ✓ Branch 1 taken 6 times. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✓ Branch 5 taken 2 times.	8	PetscCall(FNDestroy(&fncopy));
68	2/6 ✓ Branch 0 taken 2 times. ✗ Branch 1 not taken. ✓ Branch 2 taken 2 times. ✗ Branch 3 not taken. ✗ Branch 4 not taken. ✗ Branch 5 not taken.	8	PetscCall(SlepcFinalize());
69			return 0;
70			}
71
72			/*TEST
73
74			test:
75			suffix: 1
76			nsize: 1
77			filter: grep -v "computing matrix functions"
78
79			TEST*/
80